Powered by Deep Web Technologies
Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

Onsite Wastewater Treatment Systems: Aerobic Treatment Unit  

E-Print Network [OSTI]

wastewater treatment systems use. They remove 85 to 98 percent of the organic matter and solids from the wastewater, producing effluent as clean as that from munici- pal wastewater treatment plants, and cleaner than that from conventional septic tanks.... Onsite wastewater treatment systems Single-compartment trash tank Chlorinator Aerobic treatment unit Spray heads Pump tank Bruce Lesikar Professor and Extension Agricultural Engineer The Texas A&M System Aerobic treatment units, which are certified...

Lesikar, Bruce J.

2008-10-31T23:59:59.000Z

2

Onsite Wastewater Treatment Systems: Ultraviolet Light Disinfection  

E-Print Network [OSTI]

Some onsite wastewater treatment systems include a disinfection component. This publication explains how homeowners can disinfect wastewater with ultraviolet light, what the components of such a system are, what factors affect the performance of a...

Lesikar, Bruce J.

2008-10-02T23:59:59.000Z

3

Onsite Wastewater Treatment Systems: Graywater Safety  

E-Print Network [OSTI]

irrigation and decr,ease the amount of wastewater entering sewers or onsite wastewater treatment systems. Onsite wastewater treatment systems However, homeowners who irrigate their lawns with graywater need to understand the risks and safety issues.... Residential wastewater can be classified as either blackwater (sew- age containing fecal matter or food wastes) or graywater. If graywater is collected separately from blackwater, it can be dispersed as irrigation water with less treatment than...

Melton, Rebecca; Lesikar, Bruce J.

2008-10-23T23:59:59.000Z

4

Onsite Wastewater Treatment Systems: Liquid Chlorination  

E-Print Network [OSTI]

This publication explains the process, components, legal requirements, factors affecting performance, and maintenance needs of liquid chlorination systems for onsite wastewater treatment....

Weaver, Richard; Lesikar, Bruce J.; Richter, Amanda; O'Neill, Courtney

2008-10-23T23:59:59.000Z

5

Wastewater and Wastewater Treatment Systems (Oklahoma)  

Broader source: Energy.gov [DOE]

The Oklahoma Department of Environmental Quality administers regulations for waste water and waste water treatment systems. Construction of a municipal treatment work, non-industrial waste water...

6

Onsite Wastewater Treatment Systems: Constructed Wetlands  

E-Print Network [OSTI]

Two-compartment septic tank Soil absorption field Constructed wetland Onsite wastewater treatment systems Constructed wetlands Natural wetlands generally have visible water in the system. However, for those at homes, the water flows beneath... the media surface, which limits contact between residents and wastewater. The constructed wetland waste- water treatment system has three main components that work together to purify wastewater: ? A septic tank, which is an en- closed watertight...

Lesikar, Bruce J.

2008-10-23T23:59:59.000Z

7

CHP and Bioenergy Systems for Landfills and Wastewater Treatment...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Systems for Landfills and Wastewater Treatment Plants CHP and Bioenergy Systems for Landfills and Wastewater Treatment Plants There are important issues to consider when selecting...

8

On-Site Wastewater Treatment Systems: Graywater  

E-Print Network [OSTI]

-6176 3-08 Figure 1: A diagram of separate blackwater and graywater plumbing systems. W ith water reuse gaining popularity, people increasingly consider graywater from their residences as a resource to be separated from the wastewater stream... and reused in their landscapes. Such reuse of graywater reduces the amount of wastewater entering sewers or onsite wastewater treatment systems, reduces demands to use potable water for other residential uses like irrigation and helps preserve limited...

Melton, Rebecca; Lesikar, Bruce J.; Smith, David; O'Neill, Courtney

2008-04-03T23:59:59.000Z

9

Onsite Wastewater Treatment Systems: Spray Distribution System  

E-Print Network [OSTI]

Spray distribution systems for wastewater are much like lawn sprinkler systems, in that they spray treated wastewater over the surface of a yard. This publication explains how spray distribution systems work, what their design requirements are...

Lesikar, Bruce J.

2008-10-23T23:59:59.000Z

10

Onsite Wastewater Treatment Systems: Sand Filters  

E-Print Network [OSTI]

Sand filters are beds of granular material, or sand, drained from underneath so that pretreated wastewater can be treated, collected and distributed to a land application system. This publication explains the treatment, design, operation...

Lesikar, Bruce J.

2008-10-23T23:59:59.000Z

11

On-Site Wastewater Treatment Systems: Selecting and Permitting (Spanish)  

E-Print Network [OSTI]

This publication explains how to select and obtain a permit for an on-site wastewater treatment system in Texas....

Lesikar, Bruce J.

2005-04-30T23:59:59.000Z

12

On-Site Wastewater Treatment Systems: Mound System  

E-Print Network [OSTI]

Septic tank Pump tank Distribution pipe Sand Gravel Geotextile fabric On-site wastewater treatment systems Mound system Bruce Lesikar and Vance Weynand Associate Professor and Extension Agricultural Engineering Specialist, Extension Assistant... The Texas A&M University System L-5414 4-02 Figure 1: A mound system for distributing treated wastewater to the soil. A mound system for wastewater is a soil absorption system placed above the natural surface of the ground. Mound systems are used...

Lesikar, B.; Waynard, V.

13

On-Site Wastewater Treatment Systems: Mound System  

E-Print Network [OSTI]

oxygen demand (BOD 5 ), which is the amount of oxygen used by microorganisms to break down waste material. The maximum BOD 5 of pretreate waste- The On-Site Wastewater Treatment Systems series of publications is a result of collaborative efforts... Extension Service Texas Natural Resource Conservation Commission Texas Agricultural Experiment Station USDA Water Quality Demonstration Projects Texas On-Site Wastewater Association Consortium of Institutes for Decentralized Wastewater Treatment USDA Natural...

Lesikar, Bruce J.

2002-04-22T23:59:59.000Z

14

Most modern wastewater treatment systems rely on microbial processes to remove contaminants. This makes wastewater  

E-Print Network [OSTI]

Most modern wastewater treatment systems rely on microbial processes to remove contaminants. This makes wastewater treatment one of the largest biotechnology industries in the world. In New Zealand alone, about 1.5 billion litres of treated domestic wastewater is discharged each day

Auckland, University of

15

On-Site Wastewater Treatment Systems: Constructed Wetland Media  

E-Print Network [OSTI]

This publication explains the functions, characteristics, choices, configurations and maintenance needs for constructed wetland media in on-site wastewater treatment systems....

Lesikar, Bruce J.; Weaver, Richard; Richter, Amanda; O'Neill, Courtney

2005-02-19T23:59:59.000Z

16

On-Site Wastewater Treatment Systems: Trickling Filter  

E-Print Network [OSTI]

Soil absorption field Septic tank Clarifier/Dosing tank Trickling filter On-site wastewater treatment systems Trickling filter Bruce Lesikar and Russell Persyn Extension Agricultural Engineering Specialist, Extension Assistant-Water Conservation... municipal wastewater before cities began using activated sludge aeration systems. Now, homes and businesses use trickling filters in on-site wastewater treatment systems. Each trickling filter system has several components: 3 A septic tank, which removes...

Lesikar, Bruce J.

2000-02-04T23:59:59.000Z

17

Onsite Wastewater Treatment Systems: Graywater Use and Water Quality  

E-Print Network [OSTI]

their homes in their landscapes. This reuse of graywater can reduce the amount of wastewater entering sewers or treatment systems, reduce the amount of fresh water used on landscapes and help preserve limited fresh water supplies. Onsite wastewater...-washing machines ? The code excludes water that has washed materials soiled with human waste, such as diapers, and water that has been in contact with toilet waste. This water, known as blackwater, includes flush water from toilets and urinals and wastewater...

Lesikar, Bruce J.; Mechell, Justin; Alexander, Rachel

2008-08-28T23:59:59.000Z

18

Onsite Wastewater Treatment Systems: Homeowner's Guide to Evaluating Service Contracts  

E-Print Network [OSTI]

This guide helps homeowners who are seeking maintenance services for their onsite wastewater treatment systems (such as septic systems). Included are definitions of common terms used in service contracts, types of service contracts available...

Lesikar, Bruce J.; O'Neill, Courtney; Deal, Nancy; Loomis, George; Gustafson, David; Lindbo, David

2008-10-23T23:59:59.000Z

19

Local Board of Health Guide to On-Site Wastewater Treatment Systems  

E-Print Network [OSTI]

Local Board of Health Guide to On-Site Wastewater Treatment Systems ©2006 National Association Side of Cover and is Blank #12;Local Board of Health Guide to On-Site Wastewater Treatment Systems............................................................................................................. 9 WHAT IS WASTEWATER

20

Water Treatment System Cleans Marcellus Shale Wastewater | Department of  

Broader source: Energy.gov (indexed) [DOE]

Water Treatment System Cleans Marcellus Shale Wastewater Water Treatment System Cleans Marcellus Shale Wastewater Water Treatment System Cleans Marcellus Shale Wastewater April 13, 2011 - 1:00pm Addthis Washington, DC - A water treatment system that can turn wastewater into clean water has been shown to reduce potential environmental impacts associated with producing natural gas from shale formations in the Appalachian basin. Altela Inc.'s AltelaRain® 4000 water desalination system was tested at BLX, Inc.'s Sleppy well site in Indiana County, Pa. as part of a National Energy Technology Laboratory (NETL)-sponsored demonstration. During nine continuous months of operation, the unit successfully treated 77 percent of the water stream onsite, providing distilled water as the product. The average treated water cost per barrel over the demonstration period was

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Water Treatment System Cleans Marcellus Shale Wastewater | Department of  

Broader source: Energy.gov (indexed) [DOE]

Water Treatment System Cleans Marcellus Shale Wastewater Water Treatment System Cleans Marcellus Shale Wastewater Water Treatment System Cleans Marcellus Shale Wastewater April 13, 2011 - 1:00pm Addthis Washington, DC - A water treatment system that can turn wastewater into clean water has been shown to reduce potential environmental impacts associated with producing natural gas from shale formations in the Appalachian basin. Altela Inc.'s AltelaRain® 4000 water desalination system was tested at BLX, Inc.'s Sleppy well site in Indiana County, Pa. as part of a National Energy Technology Laboratory (NETL)-sponsored demonstration. During nine continuous months of operation, the unit successfully treated 77 percent of the water stream onsite, providing distilled water as the product. The average treated water cost per barrel over the demonstration period was

22

On-Site Wastewater Treatment Systems: Selecting and Permitting  

E-Print Network [OSTI]

This publication explains factors to consider when choosing an on-site wastewater treatment system and lists the nine steps required to obtain a permit for one. It includes addresses and phone numbers of Texas Natural Resource Conservation...

Lesikar, Bruce J.

2005-04-30T23:59:59.000Z

23

On-Site Wastewater Treatment Systems: Evapotranspiration Bed  

E-Print Network [OSTI]

Two-compartment septic tank Loam soil Crushed stone Evapotranspiration bed Wick On-site wastewater treatment systems Evapotranspiration bed Bruce Lesikar Extension Agricultural Engineering Specialist The Texas A&M University System ET systems..., synthetic or concrete liner. A liner is required if the surrounding soil is very permeable, such as in sandy gravel or karst limestone. Unlined systems can be used in highly impermeable soils such as heavy clays. In unlined systems, wastewater is disposed...

Lesikar, Bruce J.

1999-09-01T23:59:59.000Z

24

Flexible hybrid membrane treatment systems for tailored nutrient management: A new paradigm in urban wastewater treatment  

E-Print Network [OSTI]

in urban wastewater treatment D. Vuono a , J. Henkel a , J. Benecke a , T.Y. Cath a , T. Reid b , L: Sequencing batch reactor Membrane bioreactor Water reclamation Distributed wastewater treatment Tailored, decentralized, and satellite wastewater treatment systems into existing urban water infrastructure

25

STATUS REPORT: Onsite Wastewater Treatment Systems in California jointly presented by:  

E-Print Network [OSTI]

, adequately managed decentralized (onsite) wastewater treatment systems can be a cost effective and long

California Wastewater

26

Onsite Wastewater Treatment Systems: Tablet Chlorination  

E-Print Network [OSTI]

Wastewater that is sprayed onto lawns must first be disinfected to prevent odors and remove disease-causing organisms. This publication explains how tablet chlorinators disinfect wastewater and gives tips on how to maintain them....

Lesikar, Bruce J.

2008-10-23T23:59:59.000Z

27

Innovative wastewater treatment using reversing anaerobic upflow system (RAUS)  

SciTech Connect (OSTI)

Anaerobic processes are widely popular in the treatment of a variety of industrial wastewaters since the development of such high rate treatment processes like upflow anaerobic sludge blanket (UASB), anaerobic filter, and the fluidized-bed process. In order to devise a low cost/high technology system so that it would provide an economical solution to environmentally sound pollution control, the Reversing Anaerobic Upflow System (RAUS) was developed. The system consists of two anaerobic reactors connected to each other. At the beginning, one reactor is fed upwards with wastewater while the other acts as a settling tank. After a set interval of time, the flow is reversed such that the second reactor is fed with wastewater and the first one acts as the settler. This particular feeding pattern had shown improved settling characteristics and granulation of methanogenic biomass from research carried out at the Hannover University with different wastewaters. The biological reaction vessels to which wastewater is introduced intermittently functions basically as a sludge blanket type reactor although the costly integrated settling devices present in a typical UASB system are avoided. The RAUS combines three principle reactor configurations: (1) conventional with sludge recycling; (2) fill and draw or sequential batch, inflow maintained constant during feeding; (3) upflow anaerobic sludge blanket. A pilot scale RAUS was operated for 400 days using distillery wastewater consisting of molasses slop and bottle washing water mixed in the ratio 1:1. This paper discusses the results of pilot scale experiments.

Basu, S.K. [Univ. of Manitoba, Winnipeg, Manitoba (Canada). Environmental Engineering Div.

1996-11-01T23:59:59.000Z

28

Onsite Wastewater Treatment Systems: Responding to Power Outages and Floods  

E-Print Network [OSTI]

People and the environment can be harmed if a home's onsite wastewater treatment system does not work properly after a flood or power outage. This publication explains the steps to take after such an event to get the system back into service. 4 pp...

Lesikar, Bruce J.; Mechell, Justin; Alexander, Rachel

2008-10-23T23:59:59.000Z

29

On-Site Wastewater Treatment Systems: Soil Particle Analysis Procedure  

E-Print Network [OSTI]

Soil is an important component of an on-site wastewater treatment system. This publication explains the composition of soils, the sizing of soil particles, and the ways soil particles are analyzed to determine whether a site is suitable for a...

Lesikar, Bruce J.

2005-08-18T23:59:59.000Z

30

Onsite Wastewater Treatment Systems: Pump Tank  

E-Print Network [OSTI]

Pump tanks are concrete, fiberglass or polyethylene containers that collect wastewater to be dosed into the soil at intervals. This publication explains the design and maintenance of pump tanks, and it offers advice on what to do if a pump tank...

Lesikar, Bruce J.

2008-10-23T23:59:59.000Z

31

Impact of Onsite Wastewater Treatment Systems on Nitrogen and Baseflow in Urban Watersheds of Metropolitan Atlanta  

E-Print Network [OSTI]

Impact of Onsite Wastewater Treatment Systems on Nitrogen and Baseflow in Urban Watersheds 2401, Miller Plant Sciences Building Onsite wastewater treatment systems (OWTS) are widely used Septic Wastewater-Treatment Systems on Base Flow in Selected Watersheds in Gwinnett County, Georgia

Arnold, Jonathan

32

WASTEWATER SYSTEMS Henrik Bechmann  

E-Print Network [OSTI]

MODELLING OF WASTEWATER SYSTEMS Henrik Bechmann Lyngby 1999 ATV Erhvervsforskerprojekt EF 623 IMM, N. K. (1998). Control of sewer systems and wastewater treatment plants using pollutant concentration., and Nielsen, M. K. (1999). Grey box modelling of first flush and incoming wastewater at a wastewater treatment

33

On-Site Wastewater Treatment Systems: Alternative Collection Systems  

E-Print Network [OSTI]

Rural Texas communities have new options for wastewater management infrastructure that are cost effective but still protect human health and environmental quality. Such communities now can combine different kinds of systems in a new approach called...

Lesikar, Bruce J.

2000-08-30T23:59:59.000Z

34

Onsite Wastewater Treatment Systems: Operation and Maintenance  

E-Print Network [OSTI]

To prevent health hazards to people and pollution in the environment, septic tank systems must be operated and maintained properly. This publication explains how septic systems work and how to keep them running properly....

Lesikar, Bruce J.

2008-10-23T23:59:59.000Z

35

Attached growth fungal system for corn wet milling wastewater treatment.  

E-Print Network [OSTI]

??High organic strength food-processing wastewaters are typically treated with conventional aerobic systems such as an activated sludge process that produces substantial quantities of low value (more)

Jasti, Nagapadma

2006-01-01T23:59:59.000Z

36

Hierarchical predictive control of integrated wastewater treatment systems  

Science Journals Connector (OSTI)

The paper proposes an approach to designing the control structure and algorithms for optimising control of integrated wastewater treatment plant-sewer systems (IWWTS) under a full range of disturbance inputs. The optimised control of IWWTS allows for significant cost savings, fulfilling the effluent discharge limits over a long period and maintaining the system in sustainable operation. Due to the specific features of a wastewater system a hierarchical control structure is applied. The functional decomposition leads to three control layers: supervisory, optimising and follow-up. A temporal decomposition that is applied in order to efficiently accommodate the system's multiple time scales leads to further decomposition of the optimising control layer into three control sublayers: slow, medium, and fast. An extended Kalman Filter is used to carry out an estimation of needed but not measured plant states in real time. The robustly feasible model predictive controller produces manipulated variable trajectories based on a dedicated grey box (GB) model of the biological processes and drawing its physical reality from the well known \\{ASM2d\\} model. The GB model parameters are dependant on the plant operating point and therefore are continuously estimated. As it is impossible to efficiently control the plant under all influent conditions that may occur by using one universal control strategy, different control strategies are designed. Recently developed mechanisms for soft switching between the MPC control strategies are applied in order to smooth the state and control transient processes during the switching. The methodologies and algorithms proposed in the paper are validated by simulation based on real data records from a wastewater system located in Kartuzy, northern Poland. The control system was implemented at the case-study site to generate in real time the control actions that were assessed by the plant operators and verified by simulation based on a calibrated plant model.

M.A. Brdys; M. Grochowski; T. Gminski; K. Konarczak; M. Drewa

2008-01-01T23:59:59.000Z

37

On-Site Wastewater Treatment Systems: Gravel-less Pipe  

E-Print Network [OSTI]

Gravel-less pipe systems distribute treated wastewater into the soil. This publication lists the advantages and disadvantages of gravel-less pipe systems, explains how to maintain them and gives estimates of costs....

Lesikar, Bruce J.

2000-04-10T23:59:59.000Z

38

WASTEWATER SYSTEMS Henrik Bechmann  

E-Print Network [OSTI]

MODELLING OF WASTEWATER SYSTEMS Henrik Bechmann Lyngby 1999 ATV Erhvervsforskerprojekt EF 623 IMM., and Poulsen, N. K. (1998). Control of sewer systems and wastewater treatment plants using pollutant, N. K., and Nielsen, M. K. (1999). Grey box modelling of first flush and incoming wastewater

39

On-Site Wastewater Treatment Systems: Leaching Chambers  

E-Print Network [OSTI]

Leaching chambers distribute treated wastewater into the soil. This publication lists the advantages and disadvantages of leaching chamber systems, explains how to maintain them and gives estimates of costs....

Lesikar, Bruce J.

2000-02-04T23:59:59.000Z

40

Process waste treatment system upgrades: Clarifier startup at the nonradiological wastewater treatment plant  

SciTech Connect (OSTI)

The Waste Management Operations Division at Oak Ridge National Laboratory recently modified the design of a reactor/clarifier at the Nonradiological Wastewater Treatment Plant, which is now referred to as the Process Waste Treatment Complex--Building 3608, to replace the sludge-blanket softener/clarifier at the Process Waste Treatment Plant, now referred to as the Process Waste Treatment Complex-Building 3544 (PWTC-3544). This work was conducted because periodic hydraulic overloads caused poor water-softening performance in the PWTC-3544 softener, which was detrimental to the performance and operating costs of downstream ion-exchange operations. Over a 2-month time frame, the modified reactor/clarifier was tested with nonradiological wastewater and then with radioactive wastewater to optimize softening performance. Based on performance to date, the new system has operated more effectively than the former one, with reduced employee radiological exposure, less downtime, lower costs, and improved effluent quality.

Lucero, A.J.; McTaggart, D.R.; Van Essen, D.C.; Kent, T.E.; West, G.D.; Taylor, P.A.

1998-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Technical analysis of advanced wastewater-treatment systems for coal-gasification plants  

SciTech Connect (OSTI)

This analysis of advanced wastewater treatment systems for coal gasification plants highlights the three coal gasification demonstration plants proposed by the US Department of Energy: The Memphis Light, Gas and Water Division Industrial Fuel Gas Demonstration Plant, the Illinois Coal Gasification Group Pipeline Gas Demonstration Plant, and the CONOCO Pipeline Gas Demonstration Plant. Technical risks exist for coal gasification wastewater treatment systems, in general, and for the three DOE demonstration plants (as designed), in particular, because of key data gaps. The quantities and compositions of coal gasification wastewaters are not well known; the treatability of coal gasification wastewaters by various technologies has not been adequately studied; the dynamic interactions of sequential wastewater treatment processes and upstream wastewater sources has not been tested at demonstration scale. This report identifies key data gaps and recommends that demonstration-size and commercial-size plants be used for coal gasification wastewater treatment data base development. While certain advanced treatment technologies can benefit from additional bench-scale studies, bench-scale and pilot plant scale operations are not representative of commercial-size facility operation. It is recommended that coal gasification demonstration plants, and other commercial-size facilities that generate similar wastewaters, be used to test advanced wastewater treatment technologies during operation by using sidestreams or collected wastewater samples in addition to the plant's own primary treatment system. Advanced wastewater treatment processes are needed to degrade refractory organics and to concentrate and remove dissolved solids to allow for wastewater reuse. Further study of reverse osmosis, evaporation, electrodialysis, ozonation, activated carbon, and ultrafiltration should take place at bench-scale.

Not Available

1981-03-31T23:59:59.000Z

42

Modeling of recycling oxic and anoxic treatment system for swine wastewater using neural networks  

Science Journals Connector (OSTI)

A recycling reactor system operated under sequential anoxic and oxic conditions for the treatment of swine wastewater has been developed, in which piggery slurry ... treated and then part of the effluent is recycled

Jung-Hye Choi; Jun-Il Sohn; Hyun-Sook Yang

2000-10-01T23:59:59.000Z

43

On-Site Wastewater Treatment Systems: Tablet Chlorination (Spanish)  

E-Print Network [OSTI]

Wastewater that is sprayed onto lawns must first be disinfected to prevent odors and remove disease-causing organisms. This publication explains how tablet chlorinators disinfect wastewater and gives tips on how to maintain them....

Weaver, Richard; Lesikar, Bruce J.; Enciso, Juan

2006-01-30T23:59:59.000Z

44

STATUS REPORT: Onsite Wastewater Treatment Systems in California jointly presented by:  

E-Print Network [OSTI]

The regulation of onsite wastewater treatment systems will be undergoing significant changes in California in the coming years. Recent legislation has mandated that the State Water Resources Control Board develop and adopt statewide regulations by January 2004. These will be the first statewide regulations governing the use of onsite wastewater treatment in California. There are approximately 1.2 million onsite wastewater treatment systems in California, serving more than 3.5 million people, or 10 % of the states population. Since 1990, ten percent of new housing starts use onsite systems and this trend should continue for the foreseeable future. Onsite/decentralized systems are an integral part of the infrastructure used to support continued growth and development in the state. In April 1997, EPA published its Response to Congress on Use of Decentralized Wastewater Treatment Systems which concluded that, overall, adequately managed decentralized (onsite) wastewater treatment systems can be a cost effective and long-term option for meeting public health and water quality goals, particularly for small, suburban, and rural areas. Our dependence on onsite technologies has led to renewed interest in how they work. The performance of these systems is an important consideration in protecting the public health and water quality in the state. If onsite systems are recharging Californias

California Wastewater

45

Modeling Onsite Wastewater Treatment Systems in the Dickinson Bayou Watershed  

E-Print Network [OSTI]

Bayou watershed. HYDRUS was used to simulate conventional septic systems with soil absorption fields, aerobic treatment units (ATUs) with spray dispersal systems, and mound systems. Results found that the simulated conventional systems fail due to high...

Forbis-Stokes, Aaron

2012-10-19T23:59:59.000Z

46

Onsite Wastewater Treatment Systems: Septic Tank/Soil Absorption Field  

E-Print Network [OSTI]

For septic tank and soil absorption systems to work properly, homeowners must choose the right kind of system for their household size and soil type, and they must maintain them regularly. This publication explains the treatment, design, operation...

Lesikar, Bruce J.

2008-10-23T23:59:59.000Z

47

REMOVAL AND FATE OF SPECIFIC MICROBIAL PATHOGENS WITHIN ON-SITE WASTEWATER TREATMENT SYSTEMS  

E-Print Network [OSTI]

and retention of Salmonella spp., Cryptosporidium parvum oocysts, fecal coliforms, fecal streptococci and colimale-specific coliphages in a septic tank, aerobic treatment unit, sand filter and constructed wetland that are receiving domestic wastewater. 2.... An aerobic treatment unit was installed during the course of this project at a nearby community center. Sand filter/Subsurface Drip Application System The sand filter/subsurface drip application system was constructed at a two- bedroom residence...

Pillai, Suresh D.; Lesikar, Bruce A.

48

WASTEWATER TREATMENT OVER SAND COLUMNS  

E-Print Network [OSTI]

93/0096 WASTEWATER TREATMENT OVER SAND COLUMNS TREATMENT YIELDS, LOCALISATION OF THE BIOMASS Domestic wastewater treatment by infiltration-percolation is a process that becomming common in France, a greater depth for desinfection purposes. KEYWORDS Wastewater treatment, Infiltration-percolation. Sand

Paris-Sud XI, Université de

49

Effectiveness of Mechanical Aerationin Floating Aquatic Macrophyte-Based Wastewater Treatment Systems  

E-Print Network [OSTI]

Effectiveness of Mechanical Aerationin Floating Aquatic Macrophyte-Based Wastewater Treatment to evaluate its effect on wastewater treatment effi- ciency andplantgrowth. Light aeration (0.003 and0.021Lnr2 tanks. Heavy aeration (1.03 and 3.53 L nr2 min-1 ) raised wastewater dissolved oxygen(DO) concentrations

Florida, University of

50

On-Site Wastewater Treatment Systems: Low-Pressure Dosing System  

E-Print Network [OSTI]

A low-pressure dosing system treats wastewater and then pumps it into the soil several times daily. This publication explains the advantages and disadvantages of low-pressure dosing systems as well as estimated costs and maintenance requirements....

Lesikar, Bruce J.

1999-09-06T23:59:59.000Z

51

Monitoring Precursor 16S rRNAs ofAcinetobacter spp. in Activated Sludge Wastewater Treatment Systems  

Science Journals Connector (OSTI)

...Sanitary District, Northeast Wastewater Treatment Plant (UCSD, NEWWTP), and...gallons/day) of municipal wastewater. The treatment plant reduces the average influent...community structure of wastewater treatment plants: a comparison of old...

Daniel B. Oerther; Jakob Pernthaler; Andreas Schramm; Rudolf Amann; Lutgarde Raskin

2000-05-01T23:59:59.000Z

52

Assessing the feasibility of wastewater recycling and treatment efficiency of wastewater treatment units  

Science Journals Connector (OSTI)

Wastewater reuse can significantly reduce environmental pollution and ... in southern Taiwan to discuss the feasibility of wastewater recycling and treatment efficiency of wastewater treatment units. The treatmen...

Jie-Chung Lou; Yung-Chang Lin

2008-02-01T23:59:59.000Z

53

Wastewater treatment and energy : an analysis on the feasibility of using renewable energy to power wastewater treatment plants in Singapore  

E-Print Network [OSTI]

Wastewater treatment is a very energy intensive industry. Singapore has a state-of-the-art wastewater treatment system that uses a number of sustainable techniques that greatly improve its overall efficiency. The centralized ...

Foley, Kevin John

2010-01-01T23:59:59.000Z

54

Field's Point Wastewater Treatment Facility (Narragansett Bay...  

Open Energy Info (EERE)

Field's Point Wastewater Treatment Facility (Narragansett Bay Commission) Jump to: navigation, search Name Field's Point Wastewater Treatment Facility (Narragansett Bay Commission)...

55

Treated wastewater discharged from municipal wastewater treatment plants (WWTPs) contains  

E-Print Network [OSTI]

Treated wastewater discharged from municipal wastewater treatment plants (WWTPs) contains to provide rapid, field-ready, inexpen- sive testing of these chemicals in wastewater is also needed estrogenic chemicals, and 2) develop sensor technology for the rapid measure- ment in wastewater of two key

Fay, Noah

56

On-Site Wastewater Treatment Systems: Conventional Septic Tank/Drain Field (Spanish)  

E-Print Network [OSTI]

Conventional septic tanks have been the most commonly used technology for treating wastewater. This publication explains the advantages, disadvantages, maintenance steps and estimated costs of septic tank/drain field systems....

Lesikar, Bruce J.

1999-08-12T23:59:59.000Z

57

On-Site Wastewater Treatment Systems: Conventional Septic Tank/Drain Field  

E-Print Network [OSTI]

Conventional septic systems have traditionally been the most commonly used technology for treating wastewater. This publication explains the advantages and disadvantages of conventional septic tank/drain fields, as well as estimated costs...

Lesikar, Bruce J.

1999-09-06T23:59:59.000Z

58

STATE ESTIMATION FOR WASTEWATER TREATMENT PROCESSES  

E-Print Network [OSTI]

CHAPTER 1 STATE ESTIMATION FOR WASTEWATER TREATMENT PROCESSES O. Bernard1 , B. Chachuat2 , and J sensors (also called observers) for wastewater treatment plants (WWTPs). We give an overview in "Wastewater Quality Monitoring and Wastewater Quality Monitoring and Treatment, Philippe Quevauviller (Ed

Paris-Sud XI, Université de

59

Simultaneous wastewater treatment and biological electricity generation  

E-Print Network [OSTI]

Simultaneous wastewater treatment and biological electricity generation B.E. Logan Department accomplishing wastewater treatment in processes based on microbial fuel cell technologies. When bacteria oxidize.4 £ 106 L of wastewater, a wastewater treatment plant has the potential to become a 2.3 MW power plant

60

Structural redundancy of data from wastewater treatment systems. Determination of individual balance equations  

Science Journals Connector (OSTI)

Abstract Although data reconciliation is intensely applied in process engineering, almost none of its powerful methods are employed for validation of operational data from wastewater treatment plants. This is partly due to some prerequisites that are difficult to meet including steady state, known variances of process variables and absence of gross errors. However, an algorithm can be derived from the classical approaches to data reconciliation that allows to find a comprehensive set of equations describing redundancy in the data when measured and unmeasured variables (flows and concentrations) are defined. This is a precondition for methods of data validation based on individual mass balances such as CUSUM charts. The procedure can also be applied to verify the necessity of existing or additional measurements with respect to the improvement of the data's redundancy. Results are given for a large wastewater treatment plant. The introduction aims at establishing a link between methods known from data reconciliation in process engineering and their application in wastewater treatment.

A. Spindler

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Giardia Cysts in Wastewater Treatment Plants in Italy  

Science Journals Connector (OSTI)

...global level. The recycling of treated wastewaters...investigation in four wastewater treatment plants in...Giardia cysts in wastewater treatment plants in...global level. The recycling of treated wastewaters...investigation in four wastewater treatment plants in...

Simone M. Cacci; Marzia De Giacomo; Francesca A. Aulicino; Edoardo Pozio

2003-06-01T23:59:59.000Z

62

K-1435 Wastewater Treatment System for the Toxic Substances Control Act Incinerator Wastewater at the East Tennessee Technology Park, Oak Ridge, TN  

SciTech Connect (OSTI)

This paper discusses the design and performance of a wastewater treatment system installed to support the operation of a hazardous waste incinerator. The Oak Ridge Toxic Substances Control Act Incinerator (TSCAI), located at the East Tennessee Technology Park (ETTP), is designed and permitted to treat Resource ConservatioN and Recovery Act (RCRA) wastes including characteristic and listed wastes and polychlorinated biphenyl (PCB)-contaminated mixed waste. the incinerator process generates acidic gases and particulates which consist of salts, metals, and radionuclides. These off-gases from the incinerator are treated with a wet off-gas scrubber system. The recirculated water is continuously purged (below down), resulting in a wastewater to be treated. Additional water sources are also collected on the site for treatment, including storm water that infiltrates into diked areas and fire water from the incinerator's suppression system. To meet regulatory requirements for discharge, a wastewater treatment system (WWTS) was designed, constructed, and operated to treat these water sources. The WWTS was designed to provide for periodic fluctuation of contaminant concentrations due to various feed streams to the incinverator. Blow down consists of total suspended solids (TSS) and total dissolved solids (TDS), encompassing metals, radionuclide contamination and trace organics. The system design flow rate range is 35 to 75 gallons per minute (gpm). The system is designed with redundancy to minimize time off-line and to reduce impacts to the TSCAI operations. A novel treatment system uses several unit operations, including chemical feed systems, two-stage chemical reaction treatment, microfiltration, sludge storage and dewatering, neutralization, granular activated carbon, effluent neutralization, and a complete programmable logic controller (PLC) and human-machine interface (HMI) control system. To meet the space requirements and to provide portability of the WWTS to other applications, the system was installed in three, over-the-road semi trailers, and interconnected with piping and power. Trailers were oriented on a small site footprint to facilitate ease of installation. A remote sump pump skid was provided to convey water from two holding sumps adjacent to the treatment process. An accumulation tank and pump were also provided to receive miscellaneous wastewaters for treatment if they meet the waste acceptance criteria. The paper includes details of the technology used in the design, the requirements for compliance, and the initial performance demonstration and jar testing results. The WWTS successfully allowed for highly efficient, high-volume treatment with compliant discharge to off-site surface water.

Swientoniewski M.D.

2008-02-24T23:59:59.000Z

63

Small Community Wastewater Cluster Systems  

E-Print Network [OSTI]

Small Community Wastewater Cluster Systems Don Jones, Jacqui Bauer, Richard Wise, and Alan Dunn* ID-265 #12;Small Community Wastewater Cluster Systems ID-265 2 It is the policy of the Purdue University Community Wastewater Cluster Systems ID-265 3 Small Community Wastewater Cluster Systems Table of Contents

Holland, Jeffrey

64

STATE ESTIMATION FOR WASTEWATER TREATMENT PROCESSES  

E-Print Network [OSTI]

CHAPTER 1 STATE ESTIMATION FOR WASTEWATER TREATMENT PROCESSES O. Bernard1 , B. Chachuat2 , and J sensors (also called observers) for wastewater treatment plants (WWTPs). We give an overview model description (e.g., the 1 #12;2 STATE ESTIMATION FOR WASTEWATER TREATMENT PROCESSES extended Kalman

Bernard, Olivier

65

Health and Treatment Requirements for Wastewater Irrigation  

Science Journals Connector (OSTI)

Recycling and reuse of wastewater in agriculture can be a highly effective ... irrigation techniques, and the treatment of the wastewater to an appropriate degree so as to ... consumers of crops from pathogenic m...

Hillel Shuval; Badri Fattal

1999-01-01T23:59:59.000Z

66

Wastewater treatment using ferrous sulfate  

SciTech Connect (OSTI)

Treatment of industrial wastewater with coagulants is used extensively in the thorough removal of emulsified tars and oils. The central plant laboratory at the Zhdanov Coke Works conducted investigations of the treatment of wastewater, subsequently used for quenching coke, with ferrous sulfate. Laboratory tests and subsequent industrial tests demonstrated the efficiency of the method. In order to further intensify the wastewater treatment process we conducted laboratory tests with the addition of certain quantities of other coagulation reagents, for example polyacrylamide (PAA) and caustic soda, in addition to the ferrous sulfate. The combined use of polyacrylamide and ferrous sulfate permits instant coagulation of the sludge and very rapid (5 to 10 min) clarification of the water. In addition, in this case the degree of purification of the water is less dependent on the initial concentration of impurities. The purification is also improved when caustic soda is added, raising the pH. From the data it is apparent that an identical degree of purification of the water may be achieved either by increasing the consumption of ferrous sulfate, or by adding PAA or NaOH. During industrial tests of the purification of wastewater with ferrous sulfate, we also investigated the resulting sludge. The use of ferrous sulfate causes a significant increase in its quantity (by a factor of 1.5 to 1.8) and in its oil content (by a factor of 2 to 2.5). The water content in the sludge decreases. The sludge (in the quantity of 0.6% of the charge) may be added to the coking charge.

Boetskaya, K.P.; Ioffe, E.M.

1980-01-01T23:59:59.000Z

67

Control of Sludge Recycle Flow in Wastewater Treatment Plants Using Fuzzy Logic Controller  

Science Journals Connector (OSTI)

Sludge recycling system is an important part of wastewater treatment plants, because the lack of control ... almost all of the sludge return system with wastewater treatment plants is simply the ratio by ... appl...

Wangyani

2013-01-01T23:59:59.000Z

68

Anticipating the next century of wastewater treatment  

Science Journals Connector (OSTI)

...Anticipating the next century of wastewater treatment 10.1126/science...sewage. The settling and recycling of sludge inside treatment...and the contribution to the recycling of resources (2, 3). The...impact of human activities. Wastewater treatment is in itself a relatively...

Mark C. M. van Loosdrecht; Damir Brdjanovic

2014-06-27T23:59:59.000Z

69

TEX-A-SYST: Reducing the Risk of Ground Water Contamination by Improving Household Wastewater Treatment  

E-Print Network [OSTI]

. This publication covers the following topics: 1. Septic tanks/soil absorption systems 2. Quantity of wastewater 3. Quality of wastewater 4. Collection of wastewater 5. Treatment systems 6. Disposal system 7. Assistance with failing systems or new designs 8.... Evaluation table Septic Tanks/Soil Absorption Systems The most common form of on-site waste- water treatment is a septic tank/soil absorption system. In this system, wastewater flows from the household sewage lines into an under- ground septic tank...

Harris, Bill L.; Hoffman, D.; Mazac Jr., F. J.

1997-08-29T23:59:59.000Z

70

Fate of As, Se, and Hg in a Passive Integrated System for Treatment of Fossil Plant Wastewater  

SciTech Connect (OSTI)

TVA is collaborating with EPRI and DOE to demonstrate a passive treatment system for removing SCR-derived ammonia and trace elements from a coal-fired power plant wastewater stream. The components of the integrated system consist of trickling filters for ammonia oxidation, reaction cells containing zero-valent iron (ZVI) for trace contaminant removal, a settling basin for storage of iron hydroxide floc, and anaerobic vertical-flow wetlands for biological denitrification. The passive integrated treatment system will treat up to 0.25 million gallons per day (gpd) of flue gas desulfurization (FGD) pond effluent, with a configuration requiring only gravity flow to obviate the need for pumps. The design of the system will enable a comparative evaluation of two parallel treatment trains, with and without the ZVI extraction trench and settling/oxidation basin components. One of the main objectives is to gain a better understanding of the chemical transformations that species of trace elements such as arsenic, selenium, and mercury undergo as they are treated in passive treatment system components with differing environmental conditions. This progress report details the design criteria for the passive integrated system for treating fossil power plant wastewater as well as performance results from the first several months of operation. Engineering work on the project has been completed, and construction took place during the summer of 2005. Monitoring of the passive treatment system was initiated in October 2005 and continued until May 18 2006. The results to date indicate that the treatment system is effective in reducing levels of nitrogen compounds and trace metals. Concentrations of both ammonia and trace metals were lower than expected in the influent FGD water, and additions to increase these concentrations will be done in the future to further test the removal efficiency of the treatment system. In May 2006, the wetland cells were drained of FGD water, refilled with less toxic ash pond water, and replanted due to low survival rates from the first planting the previous summer. The goals of the TVA-EPRI-DOE collaboration include building a better understanding of the chemical transformations that trace elements such as arsenic, selenium, and mercury undergo as they are treated in a passive treatment system, and to evaluate the performance of a large-scale replicated passive treatment system to provide additional design criteria and economic factors.

Terry Yost; Paul Pier; Gregory Brodie

2007-12-31T23:59:59.000Z

71

Biological treatment of a seafood processing wastewater  

SciTech Connect (OSTI)

The seafood industry in Tampa is a multi-million dollar-per-year industry which heavily impacts the environment with large volumes of wastewater containing high concentrations of suspended solids and nitrogen. A 10 liter per day, bench-scale, wastewater treatment facility was designed, constructed, and operated for approximately eight (8) months to collect treat ability data on a seafood-processing wastewater. The bench-scale reactor consisted of a single-sludge, extended aeration, modified Ludzack-Ettinger (MLE) process for biologically removing carbon, nitrogen, and phosphorus from the wastewater. Influent and effluent data collected on the system included: chemical oxygen demand (COD), total suspended solids (TSS), total Kjeldahl nitrogen (TKN), ammonia nitrogen, nitrite nitrogen, nitrate nitrogen, total nitrogen (TN), pH, total phosphorus (TP), dissolved oxygen (DO), alkalinity, and temperature. All analyses were performed in accordance with Standard Methods (1992). Typical influent characteristics were: 900--4,000 mg/L COD, 45--110 mg/L TKN, 150--2,000 mg/L TSS, and 40--80 mg/L TP. Solids residence time (SRT) served as the primary control parameter with average STR's of 4.5, 6.4, 8.5, and 30.9 days observed during the study. The following biokinetic constants were determined from the data: a yield coefficient (Y) of 0.49 mg TSS/mg COD and an endogenous decay coefficient (k{sub e}) of 0.11 days{sup {minus}1}.

Mines, R.O. Jr.; Robertson, R.R. II

1998-07-01T23:59:59.000Z

72

EPA ENERGY STAR Webcast: Benchmarking Water/Wastewater Treatment...  

Energy Savers [EERE]

Benchmarking WaterWastewater Treatment Facilities in Portfolio Manager EPA ENERGY STAR Webcast: Benchmarking WaterWastewater Treatment Facilities in Portfolio Manager November...

73

CHP and Bioenergy for Landfills and Wastewater Treatment Plants...  

Broader source: Energy.gov (indexed) [DOE]

for Landfills and Wastewater Treatment Plants: Market Opportunities CHP and Bioenergy for Landfills and Wastewater Treatment Plants: Market Opportunities This document explores...

74

ENERGY STAR Score for Wastewater Treatment Plants  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

!! !! July 2013 ENERGY STAR Score for Wastewater Treatment Plants in the United States Page 1 ENERGY STAR Score for Wastewater Treatment Plants in the United States Technical Reference OVERVIEW ! The ENERGY STAR Score for Wastewater Treatment Plants applies to primary, secondary, and advanced treatment facilities with or without nutrient removal capacity. The objective of the ENERGY STAR score is to provide a fair assessment of the energy performance of a property relative to its peers, taking into account the climate, weather, and business activities at the property. To identify the aspects of building activity that are significant drivers of energy

75

Use of Treated Municipal Wastewater as Power Plant Cooling System Makeup Water: Tertiary Treatment versus Expanded Chemical Regimen for Recirculating Water Quality Management  

SciTech Connect (OSTI)

Treated municipal wastewater is a common, widely available alternative source of cooling water for thermoelectric power plants across the U.S. However, the biodegradable organic matter, ammonia-nitrogen, carbonate and phosphates in the treated wastewater pose challenges with respect to enhanced biofouling, corrosion, and scaling, respectively. The overall objective of this study was to evaluate the benefits and life cycle costs of implementing tertiary treatment of secondary treated municipal wastewater prior to use in recirculating cooling systems. The study comprised bench- and pilot-scale experimental studies with three different tertiary treated municipal wastewaters, and life cycle costing and environmental analyses of various tertiary treatment schemes. Sustainability factors and metrics for reuse of treated wastewater in power plant cooling systems were also evaluated. The three tertiary treated wastewaters studied were: secondary treated municipal wastewater subjected to acid addition for pH control (MWW_pH); secondary treated municipal wastewater subjected to nitrification and sand filtration (MWW_NF); and secondary treated municipal wastewater subjected nitrification, sand filtration, and GAC adsorption (MWW_NFG). Tertiary treatment was determined to be essential to achieve appropriate corrosion, scaling, and biofouling control for use of secondary treated municipal wastewater in power plant cooling systems. The ability to control scaling, in particular, was found to be significantly enhanced with tertiary treated wastewater compared to secondary treated wastewater. MWW_pH treated water (adjustment to pH 7.8) was effective in reducing scale formation, but increased corrosion and the amount of biocide required to achieve appropriate biofouling control. Corrosion could be adequately controlled with tolytriazole addition (4-5 ppm TTA), however, which was the case for all of the tertiary treated waters. For MWW_NF treated water, the removal of ammonia by nitrification helped to reduce the corrosivity and biocide demand. Also, the lower pH and alkalinity resulting from nitrification reduced the scaling to an acceptable level, without the addition of anti-scalant chemicals. Additional GAC adsorption treatment, MWW_NFG, yielded no net benefit. Removal of organic matter resulted in pitting corrosion in copper and cupronickel alloys. Negligible improvement was observed in scaling control and biofouling control. For all of the tertiary treatments, biofouling control was achievable, and most effectively with pre-formed monochloramine (2-3 ppm) in comparison with NaOCl and ClO2. Life cycle cost (LCC) analyses were performed for the tertiary treatment systems studied experimentally and for several other treatment options. A public domain conceptual costing tool (LC3 model) was developed for this purpose. MWW_SF (lime softening and sand filtration) and MWW_NF were the most cost-effective treatment options among the tertiary treatment alternatives considered because of the higher effluent quality with moderate infrastructure costs and the relatively low doses of conditioning chemicals required. Life cycle inventory (LCI) analysis along with integration of external costs of emissions with direct costs was performed to evaluate relative emissions to the environment and external costs associated with construction and operation of tertiary treatment alternatives. Integrated LCI and LCC analysis indicated that three-tiered treatment alternatives such as MWW_NSF and MWW_NFG, with regular chemical addition for treatment and conditioning and/or regeneration, tend to increase the impact costs and in turn the overall costs of tertiary treatment. River water supply and MWW_F alternatives with a single step of tertiary treatment were associated with lower impact costs, but the contribution of impact costs to overall annual costs was higher than all other treatment alternatives. MWW_NF and MWW_SF alternatives exhibited moderate external impact costs with moderate infrastructure and chemical conditioner dosing, which makes them (especially

David Dzombak; Radisav Vidic; Amy Landis

2012-06-30T23:59:59.000Z

76

Sandusky Wastewater Treatment | Open Energy Information  

Open Energy Info (EERE)

Treatment Treatment Jump to: navigation, search Name Sandusky Wastewater Treatment Facility Sandusky Wastewater Treatment Sector Wind energy Facility Type Community Wind Facility Status In Service Owner Sandusky Wastewater Treatment Energy Purchaser Sandusky Wastewater Treatment Location Sandusky OH Coordinates 41.452091°, -82.723523° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":41.452091,"lon":-82.723523,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

77

Tomorrow`s energy today for cities and counties -- Alternative wastewater treatment: Advanced Integrated Pond systems  

SciTech Connect (OSTI)

This report provides a discussion of the design, construction, operation, and maintenance of the Advanced Integrated Pond System as an alternative for other more costly municipal waste water treatment plants.

Not Available

1993-10-01T23:59:59.000Z

78

Making wastewater environmentally sustainable: Innovative technology offers new possibilities for wastewater treatment  

E-Print Network [OSTI]

Story by Katie Heinrich 16 tx H2O Summer 2013 Making wastewater environmentally sustainable Innovative technology o#30;ers new possibilities for wastewater treatment Municipal wastewater treatment plants may soon become more sustainable... in their treatment of wastewater by pursuing new electron beam (e-beam) technology being researched at a Texas A&M AgriLife Research center in College Station. To help these plants in their move to increased sustainability in wastewater treatment, the National...

Heinrich, Katie

2013-01-01T23:59:59.000Z

79

Ceramic membrane treatment of petrochemical wastewater  

SciTech Connect (OSTI)

Ceramic alumina microfiltration membranes were evaluated for treatment of 3 aqueous streams containing heavy metals, oils, and solids at petrochemical manufacturing facilities. To the best of the author's knowledge, this is the first reported use of ceramic alumina membranes for process water and wastewater treatment in a US petrochemical plant. In a pilot test at a vinyl chloride monomer (VCM) plant, precipitated heavy metal solids were filtered with the membranes. On another stream at that site, the ceramic membrane pilot system successfully treated emulsions of 1,2-dichloroethane (EDC), water, and solids. Membrane filtration of a linear alkyl benzene (LAB) oily wastewater stream produced water with less than 5 ppmw oil and grease, after pretreatment with HCl and ferric chloride. A preliminary financial analysis shows that the installed system cost for a ceramic membrane unit is comparable to other membrane technologies, while operating costs are anticipated to be lower. Specific process conditions that are particularly amenable to treatment by ceramic membrane microfiltration are also given in the paper. 10 refs., 11 figs., 7 tabs.

Lahiere, R.J. (Vista Chemical Co., Houston, TX (United States)); Goodboy, K.P.

1993-05-01T23:59:59.000Z

80

Catalytic Wastewater Treatment Using Pillared Clays  

Science Journals Connector (OSTI)

After introduction on the use of solid catalysts in wastewater treatment technologies, particularly advanced oxidation processes (AOPs), this review discussed the use of pillared clay (PILC) materials in three ap...

Siglinda Perathoner; Gabriele Centi

2010-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Electrodialysis Treatment of Nickel Wastewater  

Science Journals Connector (OSTI)

The galvanic processes are one of the main activities contributing to metal discharges into the environment. A large volume of wastewater is generated that contains a high load of salts and metals and it must be ...

Tatiane Benvenuti; Marco Antnio Siqueira Rodrigues

2014-01-01T23:59:59.000Z

82

Textile Wastewater Treatment and Recycling  

Science Journals Connector (OSTI)

Textile industry consumes huge quantities of fresh water (100150 l/kg of cotton for direct dye). During various stages of textile processing, wastewater is charged with substantial amounts of chemical polluta...

Raja Ben Amar; Gazza Masmoudi

2013-01-01T23:59:59.000Z

83

Treatment of Wood Preserving Wastewater  

E-Print Network [OSTI]

The wastewater produced by the wood preserving industry presents a difficult problem to treat economically. A review of the literature indicates the size of the industry has limited the pursuit of an orderly and economic solution. Atmospheric...

Reynolds, T. D.; Shack, P. A.

84

Computing the Resilience of a Wastewater Treatment Bioreactor Nabil Mabrouk  

E-Print Network [OSTI]

Computing the Resilience of a Wastewater Treatment Bioreactor Nabil Mabrouk Laboratory guillaume.deffuant@cemagref.fr Abstract--Biological wastewater treatment reactor are de- signed to reduce the pollutant content of a wastewater to an acceptable level often fixed by wastewater discharge regula- tions

Paris-Sud XI, Université de

85

Production of Electricity during Wastewater Treatment Using a  

E-Print Network [OSTI]

Production of Electricity during Wastewater Treatment Using a Single Chamber Microbial Fuel Cell H wastewater, while at the same time accomplishing biological wastewater treatment (removal of chemical oxygen of the wastewater. Power output was proportional to the hydraulic retention time over a range of 3-33 h

86

Applications of Energy Efficiency Technologies in Wastewater Treatment Facilities  

E-Print Network [OSTI]

"Depending on the level and type of treatment, municipal wastewater treatment (WWT) can be an energy intensive process, constituting a major cost for the municipal governments. According to a 1993 study wastewater treatment plants consume close to 1...

Chow, S.; Werner, L.; Wu, Y. Y.; Ganji, A. R.

87

1.85 Water and Wastewater Treatment Engineering, Spring 2005  

E-Print Network [OSTI]

Theory and design of systems for treating industrial and municipal wastewater and potable water supplies. Methods for characterizing wastewater properties. Physical, chemical, and biological processes, including primary ...

Shanahan, Peter

88

Enhancing harvestable algal biomass production in wastewater treatment high rate algal ponds by recycling.  

E-Print Network [OSTI]

??High Rate Algal Ponds (HRAPs) are an efficient and cost-effective system for wastewater treatment and produce algal biomass which could be converted to biofuels. However, (more)

Park, Byung Kwan

2013-01-01T23:59:59.000Z

89

A STELLA Model for Integrated Algal Biofuel Production and Wastewater Treatment.  

E-Print Network [OSTI]

??Based on a municipal wastewater treatment plant (WWTP) in Tampa, FL, a dynamic multiple-systems model was developed on the STELLA software platform to explore algae (more)

Cormier, Ivy

2010-01-01T23:59:59.000Z

90

A Hybrid Microbial Fuel Cell Membrane Bioreactor with a Conductive Ultrafiltration Membrane Biocathode for Wastewater Treatment  

E-Print Network [OSTI]

Biocathode for Wastewater Treatment Lilian Malaeb,,§ Krishna P. Katuri,,§ Bruce E. Logan, Husnul Maab, S. P-biocathode microbial fuel cell- membrane bioreactor (MFC-MBR) system was developed to achieve simultaneous wastewater and the membrane for wastewater filtration. The MFC-MBR used an air-biocathode, and it was shown to have good

91

Applications of nanotechnology in water and wastewater treatment  

E-Print Network [OSTI]

Applications of nanotechnology in water and wastewater treatment Xiaolei Qu, Pedro J.J. Alvarez and wastewater treatment Water reuse Sorption Membrane processes Photocatalysis Disinfection Microbial control. Nanotechnology holds great potential in advancing water and wastewater treatment to improve treatment efficiency

Alvarez, Pedro J.

92

Opportunities for Automated Demand Response in Wastewater Treatment  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Opportunities for Automated Demand Response in Wastewater Treatment Opportunities for Automated Demand Response in Wastewater Treatment Facilities in California - Southeast Water Pollution Control Plant Case Study Title Opportunities for Automated Demand Response in Wastewater Treatment Facilities in California - Southeast Water Pollution Control Plant Case Study Publication Type Report LBNL Report Number LBNL-6056E Year of Publication 2012 Authors Olsen, Daniel, Sasank Goli, David Faulkner, and Aimee T. McKane Date Published 12/2012 Publisher CEC/LBNL Keywords market sectors, technologies Abstract This report details a study into the demand response potential of a large wastewater treatment facility in San Francisco. Previous research had identified wastewater treatment facilities as good candidates for demand response and automated demand response, and this study was conducted to investigate facility attributes that are conducive to demand response or which hinder its implementation. One years' worth of operational data were collected from the facility's control system, submetered process equipment, utility electricity demand records, and governmental weather stations. These data were analyzed to determine factors which affected facility power demand and demand response capabilities.

93

E-Print Network 3.0 - anaerobic wastewater treatment Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Summary: ENVIRONMENTAL BIOTECHNOLOGY Electricity generation and treatment of paper recycling wastewater... production and treatment of a paper recycling plant wastewater...

94

ADAPTIVE MODEL BASED CONTROL FOR WASTEWATER TREATMENT PLANTS  

E-Print Network [OSTI]

ADAPTIVE MODEL BASED CONTROL FOR WASTEWATER TREATMENT PLANTS Arie de Niet1 , Maartje van de Vrugt2.j.boucherie@utwente.nl Abstract In biological wastewater treatment, nitrogen and phosphorous are removed by activated sludge considerably to the increase of energy-efficiency in wastewater treatment. To this end, we introduce

Boucherie, Richard J.

95

Chapter 1 - Industrial Wastewater Treatment, Recycling, and Reuse: An Overview  

Science Journals Connector (OSTI)

Abstract Water availability; usage, treatment, and discharge of used water; and possible ways of recycling and reusing this used water are briefly discussed here. Issues pertaining to industrial wastewaters, sources of generation, characterization of wastewaters, and various methodologies of wastewater treatment have been reviewed along with economic perspectives of water management. Recent developments in the area of industrial wastewater treatment, recycling, and reuse are also briefly outlined here.

Vivek V. Ranade; Vinay M. Bhandari

2014-01-01T23:59:59.000Z

96

Automated Demand Response Opportunities in Wastewater Treatment Facilities  

SciTech Connect (OSTI)

Wastewater treatment is an energy intensive process which, together with water treatment, comprises about three percent of U.S. annual energy use. Yet, since wastewater treatment facilities are often peripheral to major electricity-using industries, they are frequently an overlooked area for automated demand response opportunities. Demand response is a set of actions taken to reduce electric loads when contingencies, such as emergencies or congestion, occur that threaten supply-demand balance, and/or market conditions occur that raise electric supply costs. Demand response programs are designed to improve the reliability of the electric grid and to lower the use of electricity during peak times to reduce the total system costs. Open automated demand response is a set of continuous, open communication signals and systems provided over the Internet to allow facilities to automate their demand response activities without the need for manual actions. Automated demand response strategies can be implemented as an enhanced use of upgraded equipment and facility control strategies installed as energy efficiency measures. Conversely, installation of controls to support automated demand response may result in improved energy efficiency through real-time access to operational data. This paper argues that the implementation of energy efficiency opportunities in wastewater treatment facilities creates a base for achieving successful demand reductions. This paper characterizes energy use and the state of demand response readiness in wastewater treatment facilities and outlines automated demand response opportunities.

Thompson, Lisa; Song, Katherine; Lekov, Alex; McKane, Aimee

2008-11-19T23:59:59.000Z

97

Fuzzy predictive control for nitrogen removal in biological wastewater treatment  

E-Print Network [OSTI]

Fuzzy predictive control for nitrogen removal in biological wastewater treatment S. Marsili wastewater is too low, full denitrification is difficult to obtain and an additional source of organic carbon predictive control; wastewater treatment plant Introduction The problem of improving the nitrogen removal

98

Modeling of Immobilized Cell Columns for Bioconversion and Wastewater Treatment  

E-Print Network [OSTI]

Modeling of Immobilized Cell Columns for Bioconversion and Wastewater Treatment Tingyue Gu* and Mei used in bioconversions to produce biological products as well as in wastewater treatment such as solvent removal from wastewater streams. In this work, a rate model is proposed to simulate this kind

Gu, Tingyue

99

Optimized Control Structure for a Wastewater Treatment Benchmark  

E-Print Network [OSTI]

Optimized Control Structure for a Wastewater Treatment Benchmark Michela Mulas , Antonio Carlos wastewater treat- ment, give rise to both technical and economical challenges since most of the existing structure design the efficiency of a wastewater treatment plant can be improved, minimizing operational

Skogestad, Sigurd

100

Treatment of Seafood Processing Wastewater  

Science Journals Connector (OSTI)

Dissolved air flotation (DAF) has been widely used for the pre-treatment or the primary treatment of seafood processing wastes. Screening for removal of large ... and shut down easily to accommodate fluctuations ...

Lawrence K. Wang PhD; PE; DEE

2010-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Wastewater Effluent Polishing Systems of Anaerobic Baffled Reactor Treating Black-water from Households  

E-Print Network [OSTI]

Wastewater Effluent Polishing Systems of Anaerobic Baffled Reactor Treating Black-water from of different integrated low-cost wastewater treatment systems, comprising one ABR as first treatment step filter and a vertical flow constructed wetland. A mixture of septage and domestic wastewater was used

Richner, Heinz

102

Electrodialysis Treatment of Tannery Wastewater  

Science Journals Connector (OSTI)

The industrial processing of hides and skins consumes large volumes of water and generates waste that is highly polluted and causes environmental degradation. The conventional treatment of these effluents is not ...

Ktia Fernanda Streit; Marco A. S. Rodrigues

2014-01-01T23:59:59.000Z

103

Treatment of acid mine wastewaters  

SciTech Connect (OSTI)

Acid mine drainage often results from the oxidation sulfide minerals to form sulfuric acid. As a consequence, high concentrations of metals in the both the suspended and dissolved state result from the low pH water. This paper discusses several of the more common treatment methods for acid mine drainage including the use of chemical precipitation agents, pH correction agents, filtration methods, and biodegradation methods. Advanced treatment technologies are also briefly described and include microfiltration, reverse osmosis, ion exchange, and electrodialysis.

Hayward, D.; Barnard, R.

1993-06-01T23:59:59.000Z

104

Treatment of wool scouring wastewater for grease removal  

Science Journals Connector (OSTI)

Most of the wool scouring wastewater treatment systems in Australia consist of open anaerobic and facultative ponds which require large open areas. Apart from being unsightly and emitting odours, the plants are usually located in environmentally sensitive areas thereby causing environmental problems. There is a great need to look at alternative treatment systems which are more efficient and more environmentally acceptable. This study set out to investigate ways of reducing the grease content of the wastewater so that the pretreated wastewater can be fed to some high rate anaerobic digester. Various combinations of additions of coagulants, flocculants as well as using sulphuric acid for pH adjustment of the wastewater were attempted for assessing the extent of grease and COD removals. The study was also conducted at temperatures of 20 to 45C. It was found that up to 98% of grease and 79% of COD could be removed by just using sulphuric acid at a pH of between 2 and 3 and at a temperature of 20C. This work was first done on a batch basis. The work was extended into a continuous laboratory scale mixer-settler assembly which produced comparable results to those obtained batchwise.

H.M. Ang; F. Himawan

1994-01-01T23:59:59.000Z

105

Formation of aerobic granular sludge biofilms for sustainable wastewater treatment  

E-Print Network [OSTI]

ENAC/ Formation of aerobic granular sludge biofilms for sustainable wastewater treatment David G Research, Microbiology of Interfaces, Magdeburg (Germany) EDCE 2011 / From activated sludge flocs

106

EA-1190: Wastewater Treatment Capability Upgrade, Amarillo, Texas  

Broader source: Energy.gov [DOE]

This EA evaluates the environmental impacts for the proposed upgrade of the U.S. Department of Energy Pantex Plant Wastewater Treatment Plant in Amarillo, Texas.

107

Electrocoagulation: A Technology for Water Recycle and Wastewater Treatment in Semiconductor Manufacturing  

E-Print Network [OSTI]

Electrocoagulation: A Technology for Water Recycle and Wastewater Treatment in Semiconductor of treating wastewater streams in the semiconductor manufacturing industry. Electrocoagulation involves wastewater is increasing greatly. The objective is that by using EC to treat wastewater streams, this water

Fay, Noah

108

Involvement of Rhodocyclus-Related Organisms in Phosphorus Removal in Full-Scale Wastewater Treatment Plants  

Science Journals Connector (OSTI)

...Removal in Full-Scale Wastewater Treatment Plants Julie L. Zilles Jordan...organisms in two full-scale wastewater treatment plants were estimated to represent...successfully in full-scale wastewater treatment plants (WWTPs), identification...

Julie L. Zilles; Jordan Peccia; Myeong-Woon Kim; Chun-Hsiung Hung; Daniel R. Noguera

2002-06-01T23:59:59.000Z

109

Radiological Risk Assessment for King County Wastewater Treatment Division  

SciTech Connect (OSTI)

Staff of the King County Wastewater Treatment Division (WTD) have concern about the aftermath of a radiological dispersion event (RDE) leading to the introduction of significant quantities of radioactive material into the combined sanitary and storm sewer system in King County, Washington. Radioactive material could come from the use of a radiological dispersion device (RDD). RDDs include "dirty bombs" that are not nuclear detonations but are explosives designed to spread radioactive material (National Council on Radiation Protection and Measurements (NCRP) 2001). Radioactive material also could come from deliberate introduction or dispersion of radioactive material into the environment, including waterways and water supply systems. This document develops plausible and/or likely scenarios, including the identification of likely radioactive materials and quantities of those radioactive materials to be involved. These include 60Co, 90Sr, 137Cs, 192Ir, 226Ra, plutonium, and 241Am. Two broad categories of scenarios are considered. The first category includes events that may be suspected from the outset, such as an explosion of a "dirty bomb" in downtown Seattle. The explosion would most likely be heard, but the type of explosion (e.g., sewer methane gas or RDD) may not be immediately known. Emergency first responders must be able to quickly detect the radioisotopes previously listed, assess the situation, and deploy a response to contain and mitigate (if possible) detrimental effects resulting from the incident. In such scenarios, advance notice of about an hour or two might be available before any contaminated wastewater reaches a treatment plant. The second category includes events that could go initially undetected by emergency personnel. Examples of such a scenario would be the inadvertent or surreptitious introduction of radioactive material into the sewer system. Intact rogue radioactive sources from industrial radiography devices, well-logging apparatus, or moisture density gages may get into wastewater and be carried to a treatment plant. Other scenarios might include a terrorist deliberately putting a dispersible radioactive material into wastewater. Alternatively, a botched terrorism preparation of an RDD may result in radioactive material entering wastewater without anyone's knowledge. Drinking water supplies may also be contaminated, with the result that some or most of the radioactivity ends up in wastewater.

Strom, Daniel J.

2005-08-05T23:59:59.000Z

110

Estimation of E. coli Concentrations from Failing On-Site Wastewater Treatment Facilities (OWTS) Using GIS  

E-Print Network [OSTI]

Failing Onsite Wastewater Treatment Systems (OWTSs) have been identified as a significant threat to water quality, discharging significant amounts of inadequately treated sewage effluents. When developing a Watershed Protection Plan (WPP), OWTS has...

Virani, Afreen Shiraz

2014-08-12T23:59:59.000Z

111

Applicability of a Septic Tank/Engineered Wetland Coupled System in the Treatment and Recycling of Wastewater from a Small Community  

Science Journals Connector (OSTI)

A septic tank (ST)/engineered wetland coupled system used to treat and recycle wastewater from a small community in Dar es...Phragmites (reeds) and the smaller-sized medium bed was downstream and was planted with...

Stephen E. Mbuligwe

2005-01-01T23:59:59.000Z

112

Waste-Water Treatment: The Tide Is Turning  

Science Journals Connector (OSTI)

...combine to form water. The resins...by waste-water treatment standards. In electrodialysis, an electric...human use. Electrodialysis and reverse...brackish waste water, and these...problem in sewage treatment. The cost...

Robert W. Holcomb

1970-07-31T23:59:59.000Z

113

Calicivirus Removal in a Membrane Bioreactor Wastewater Treatment Plant  

Science Journals Connector (OSTI)

...Membrane Bioreactor Wastewater Treatment Plant Laura C. Sima...capacity of the plant, as the NoV...to calculate a mass balance, which would...activated sludge treatment alone can be...November, when plant operators reported...

Laura C. Sima; Julien Schaeffer; Jean-Claude Le Saux; Sylvain Parnaudeau; Menachem Elimelech; Franoise S. Le Guyader

2011-06-10T23:59:59.000Z

114

Energy and air emission implications of a decentralized wastewater system  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

and air emission implications of a decentralized wastewater system and air emission implications of a decentralized wastewater system Title Energy and air emission implications of a decentralized wastewater system Publication Type Journal Article Year of Publication 2012 Authors Shehabi, Arman, Jennifer R. Stokes, and Arpad Horvath Journal Environmental Research Letters Volume 7 Issue 2 Abstract Both centralized and decentralized wastewater systems have distinct engineering, financial and societal benefits. This paper presents a framework for analyzing the environmental effects of decentralized wastewater systems and an evaluation of the environmental impacts associated with two currently operating systems in California, one centralized and one decentralized. A comparison of energy use, greenhouse gas emissions and criteria air pollutants from the systems shows that the scale economies of the centralized plant help lower the environmental burden to less than a fifth of that of the decentralized utility for the same volume treated. The energy and emission burdens of the decentralized plant are reduced when accounting for high-yield wastewater reuse if it supplants an energy-intensive water supply like a desalination one. The centralized facility also reduces greenhouse gases by flaring methane generated during the treatment process, while methane is directly emitted from the decentralized system. The results are compelling enough to indicate that the life-cycle environmental impacts of decentralized designs should be carefully evaluated as part of the design process.

115

Modification of Norfloxacin by a Microbacterium sp. Strain Isolated from a Wastewater Treatment Plant  

Science Journals Connector (OSTI)

...Microbacterium sp. Strain Isolated from a Wastewater Treatment Plant Dae-Wi Kim 1 Thomas...antibiotics in conventional and advanced wastewater treatment: implications for environmental discharge and wastewater recycling. Water Res. 41 :4164-4176...

Dae-Wi Kim; Thomas M. Heinze; Bong-Soo Kim; Laura K. Schnackenberg; Kellie A. Woodling; John B. Sutherland

2011-07-01T23:59:59.000Z

116

Photovoltaic Small-Scale Wastewater Treatment Project for Rural and New-Cultivated Areas in  

E-Print Network [OSTI]

AbstractThe problem of wastewater treatment in Egypt is a two-fold problem; the first part concerning the existing rural areas, the second one dealing with new industrial/domestic areas. In Egypt several agricultural projects have been initiated by the government and the private sector as well, in order to change its infrastructure. As a reliable energy source, photovoltaic pumping systems have contributed to supply water for local rural communities worldwide; they can also be implemented to solve the problem wastewater environment pollution. The solution of this problem can be categorised as recycle process. In addition, because of regional conditions past technologies are being reexamined to select a smallscale treatment system requiring low construction and maintenance costs. This paper gives the design guidelines of a Photovoltaic Small-Scale Wastewater Treatment Plant (PVSSWTP) based on technologies that can be transferred. KeywordsRenewable energy sources, Photovoltaic, small-scale projects, wastewater treatment. I.

Fadia M. A. Ghali

117

CHP and Bioenergy for Landfills and Wastewater Treatment Plants: Market Opportunities  

Broader source: Energy.gov [DOE]

Overview of market opportunities for CHP and bioenergy for landfills and wastewater treatment plants

118

Operating experience with constructed wetlands for wastewater treatment  

SciTech Connect (OSTI)

Constructed wetlands are treating a variety of municipal, industrial, and runoff wastewaters. The growing interest in this technology is based on 20 years of research demonstrating the beneficial effects of wetlands on water quality, particularly their ability to assimilate carbonaceous and nitrogenous wastes. Constructed wetlands are an attractive option for applications where a land-intensive, natural' treatment technology is desired and where ancillary wildlife benefits will enhance a project's overall environmental balance sheet. This paper summarizes design and operating experience from constructed wetlands representing a variety of applications, including pilot systems in place at several US pulp mills.

Knight, R. (CH2M Hill, Gainesville, FL (United States))

1993-01-01T23:59:59.000Z

119

Opportunities for Energy Efficiency and Open Automated Demand Response in Wastewater Treatment Facilities in California -- Phase I Report  

E-Print Network [OSTI]

Embaby, and M. Rao (2006). Refinery Wastewater Treatment: Aand Assessment of Al Ruwais Refinery Wastewater." Journal ofThe Effects of Petroleum Refinery Wastewater on the Rate of

Lekov, Alex

2010-01-01T23:59:59.000Z

120

Wastewater treatment of phosphate ions by the electrodialysis method  

Science Journals Connector (OSTI)

The chemical composition of wastewater at the Turkmenabad chemical enterprise and the possibility of its treatment has been studied. The transfer of phosphate-ions through standard ion-permeable membranes was ...

Sh. Ch. Akyeva; L. K. Berkelieva

2008-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Chemically enhanced primary treatment of wastewater in Honduran Imhoff tanks  

E-Print Network [OSTI]

Imhoff tanks represent approximately 40% of the wastewater treatment infrastructure in Honduras. This thesis evaluates the usage of solid aluminum sulfate as a means to achieving national effluent regulations in Imhoff ...

Mikelonis, Anne M. (Anne Marie)

2008-01-01T23:59:59.000Z

122

Life-cycle assessment of wastewater treatment plants  

E-Print Network [OSTI]

This thesis presents a general model for the carbon footprints analysis of wastewater treatment plants (WWTPs), using a life cycle assessment (LCA) approach. In previous research, the issue of global warming is often related ...

Dong, Bo, M. Eng. Massachusetts Institute of Technology

2012-01-01T23:59:59.000Z

123

Domestic wastewater treatment with membrane filtrationtwo years experience  

Science Journals Connector (OSTI)

This study tested domestic wastewater treatment membrane filtration without external cleaning in sustained long term operation. Domestic wastewater treatment plant monitoring was performed at the municipal wastewater treatment plant Devnska Nov Ves, Bratislava between February 2005 and July 2007. Two membrane modules were tested by immersion in the domestic wastewater treatment plant. The flat sheet membrane module was operated without external cleaning at a flux of 2060 L/m2 h for 6 months. The hollow fiber membrane module was operated for 4 months without external cleaning with a flux of 2045 L/m2 h. Parallel operation of flat sheet and hollow fiber membrane modules showed similar results in effluent water quality. Both membrane modules were able to effectively remove organic matter (as much as 91%) and more than 97% of NH4+?N. Nitrogen removal via denitrification was observed during the short periods with low oxygen concentration. Treated water contained suspended solids under measurable limits.

A. Bltkov; I. Bodk; L. Dan?ov; Z. Jakub?ov

2009-01-01T23:59:59.000Z

124

Economic Analysis of Wastewater Treatment Alternatives in Rural Texas Communities.  

E-Print Network [OSTI]

of size across capital. operation. and maintenance costs. Keywords: wastewater, rural communities, costs. treatment plants. 1 INTRODUCTION Public concern for the quality of water discharged into the nation's waterways contributed to the passage..., 1968. United States Environmental Protection Agency. Construction Costs for Municipal Waste Treatment Plants: 1973-1977. Washington, D.C .? January 1978. ___ . Needs Survey (1980): Cost Estimates for Construction of Publicly Owned Wastewater...

Victurine, Raymond F.; Goodwin, H.L. Jr; Lacewell, Ronald D.

1985-01-01T23:59:59.000Z

125

Designing Sustainable Wastewater Systems: Generating Design Alternatives Chamberlain, B., Zarei, A., Taheri, H., Poole, D., Carenini, G. and berg, G.  

E-Print Network [OSTI]

alternative wastewater treatment systems, and 3) a preference-elicitation method for guiding decision of a rural wastewater system for use in developing regions. Figure 1 depicts a simplified version of oneDesigning Sustainable Wastewater Systems: Generating Design Alternatives Chamberlain, B., Zarei, A

Carenini, Giuseppe

126

Quantification of Nitrosomonas oligotropha-Like Ammonia-Oxidizing Bacteria and Nitrospira spp. from Full-Scale Wastewater Treatment Plants by Competitive PCR  

Science Journals Connector (OSTI)

...of these organisms from a wastewater treatment system. Chemolithotrophic...to NO3 via NO2 (6). In wastewater treatment plants (WWTPs...sludge process (with biomass recycling). The bioreactors were operated...compositions of the influent wastewater, in addition to various operational...

Hebe M. Dionisi; Alice C. Layton; Gerda Harms; Igrid R. Gregory; Kevin G. Robinson; Gary S. Sayler

2002-01-01T23:59:59.000Z

127

Involvement of Rhodocyclus-Related Organisms in Phosphorus Removal in Full-Scale Wastewater Treatment Plants  

Science Journals Connector (OSTI)

...removal of phosphorus from the wastewater. Although this process...successfully in full-scale wastewater treatment plants (WWTPs...process plant without nitrate recycling, represented a traditional...the plants treated municipal wastewater with phosphorus concentrations...

Julie L. Zilles; Jordan Peccia; Myeong-Woon Kim; Chun-Hsiung Hung; Daniel R. Noguera

2002-06-01T23:59:59.000Z

128

Analyses of Spatial Distributions of Sulfate-Reducing Bacteria and Their Activity in Aerobic Wastewater Biofilms  

Science Journals Connector (OSTI)

...aerobic wastewater treatment systems...their activity in wastewater biofilms is of...biofilms. Since mass balance of sulfide or...sulfur cycle in wastewater biofilm systems...municipal wastewater treatment plant in Sapporo...

Satoshi Okabe; Tsukasa Itoh; Hisashi Satoh; Yoshimasa Watanabe

1999-11-01T23:59:59.000Z

129

Treatment of Organic-Contaminated Wastewater by Pervaporation  

E-Print Network [OSTI]

TREATMENT OF ORGANIC-CONTAMINATED WASTEWATER BY PERVAPORATION J.G. WIJMANS J. KASCHEMEKAT R.W. BAKER V.L. SIMMONS Research Director Design Engineer President Marketing Director Membrane Technology and Research, Inc., Menlo Park, CA ABSTRACT...-CONTAMINATED WASTEWATER BY PERVAPORATION J.G. WIJMANS Research Director J. KASCHEMEKAT R.W. BAKER V.L. SIMMONS Design Engineer President Marketing Director Membrane Technology and Research, Inc., Menlo Park, CA ABSTRACT The removal and recovery of organic contaminants...

Wijmans, J. G.; Kaschemekat, J.; Baker, R. W.; Simmons, V. L.

130

Demonstration of membrane aeration panels: City of Geneva Wastewater Treatment Plant. Final report  

SciTech Connect (OSTI)

This report describes the design, construction, and testing of membrane aeration panels at the Marsh Creek wastewater treatment plant (WWTP) in Geneva, NY. The operators at the Geneva plant have undertaken a long-term program to upgrade wastewater treatment processes and lower operating costs. The aging mechanical surface aerators at the Marsh Creek treatment plant were replaced by a state-of-the-art membrane panel system. This fine-bubble diffused air system offers higher oxygen transfer efficiency than surface aerators or other types of fine-bubble diffused-air systems. The project had four objectives: to decrease the amount of electricity used at the plant for aeration; to enable the plant`s existing aeration basins to accommodate higher organic loads and/or nitrify the wastewater should the need arise; to provide an even distribution of dissolved oxygen within the aeration basins to enhance biological wastewater treatment activity; and to provide technical data to assess the performance of the membrane panel system versus other forms of wastewater aeration.

NONE

1995-01-01T23:59:59.000Z

131

Zero liquid discharge industrial wastewater treatment: Case studies from 1976-1996  

SciTech Connect (OSTI)

As wastewater discharge regulations become more stringent, power plants, manufacturing plants and other industrial sites are looking for ways to reduce makeup water requirements and to recycle and reuse as much wastewater as possible. In some cases, environmental regulations require zero liquid discharge, meaning all wastewater must either be retained on site or reduced to solids for disposal off site. Zero liquid discharge or {open_quotes}closed-loop{close_quotes} wastewater treatment systems using evaporators and other process equipment have been well-accepted in recent years. Often overlooked is the fact that zero discharge is not just the latest fashion--many commercial zero liquid discharge systems have been in operation since the mid-70`s. This paper will give specific examples of zero liquid discharge operations from 1974 to the present, showing how evaporation equipment and processes have changed to meet the requirements of industry and environmental regulations. 5 refs., 5 figs., 3 tabs.

Bostjancic, J.; Ludlum, R. [Ionics RCC, Bellevue, WA (United States)

1996-12-31T23:59:59.000Z

132

Successional Development of Sulfate-Reducing Bacterial Populations and Their Activities in a Wastewater Biofilm Growing under Microaerophilic Conditions  

Science Journals Connector (OSTI)

...in wastewater treatment systems, the...genus level in wastewater biofilms in relation...the biofilm. Mass balance of sulfide and...anoxic zones in wastewater treatment biofilms (36...wastewater treatment plant in Sapporo...

Tsukasa Ito; Satoshi Okabe; Hisashi Satoh; Yoshimasa Watanabe

2002-03-01T23:59:59.000Z

133

Pilot Scale Study of Excess Sludge Production Reduction in Wastewater Treatment by Ozone  

E-Print Network [OSTI]

Pilot Scale Study of Excess Sludge Production Reduction in Wastewater Treatment by Ozone Yuan Ma-scale reactors were operated at the LaPrairie Wastewater Treatment plant (one control and one ozonated

Barthelat, Francois

134

EECBG Success Story: Saving Energy at 24/7 Wastewater Treatment...  

Energy Savers [EERE]

Saving Energy at 247 Wastewater Treatment Plant EECBG Success Story: Saving Energy at 247 Wastewater Treatment Plant July 29, 2010 - 4:11pm Addthis In the city of Longview,...

135

A consistent modelling methodology for secondary settling tanks in wastewater treatment  

E-Print Network [OSTI]

A consistent modelling methodology for secondary settling tanks in wastewater treatment Stefan on a consistent modelling methodology (CMM) of complex real processes in wastewater treatment by utilizing both as a case since this is one of the most complex processes in a wastewater treatment plant and the simulation

Bürger, Raimund

136

To appear in Proceedings of ECSCW99 Dynamics in Wastewater Treatment  

E-Print Network [OSTI]

To appear in Proceedings of ECSCW99 Dynamics in Wastewater Treatment: A Framework for Understanding on the study of unskilled work in a Danish wastewater treatment plant, the problem of formalisation of work at the expense of the other tend to fail. Wastewater treatment plants are highly-distributed technical settings

Bertelsen, Olav W.

137

Dynamic estimation of specific growth rates of bacteria for a wastewater treatment process  

E-Print Network [OSTI]

Dynamic estimation of specific growth rates of bacteria for a wastewater treatment process S. Diop1 for specific growth rates for a wastewater treatment process. A 2-stage model of 6 dynamic states is assumed. Steyer, Dynamic model develop- ment and parameter identification for an anaerobic wastewater treatment

Paris-Sud XI, Université de

138

A consistent modelling methodology for secondary settling tanks in wastewater treatment  

E-Print Network [OSTI]

A consistent modelling methodology for secondary settling tanks in wastewater treatment Raimund Bu in wastewater treatment by combining classical concepts with results from applied mathematics, and partly was chosen as a case since this is one of the most complex processes in a wastewater treatment plant

Bürger, Raimund

139

EIS-0224: Southeast Regional Wastewater Treatment Plant Facilities Improvements  

Broader source: Energy.gov [DOE]

"This EIS analyzes the Lake County Sanitation District joint venture with the geothermal industry, specifically the Northern California Power Agency, Calpine Corporation (Calpine), and Pacific Gas and Electric Company, to develop a plan for disposal of secondary-treated effluent from the Southeast Regional Wastewater Treatment Plant near the City of Clearlake, California, in the Southeast Geysers Geothermal Steam Field."

140

Field's Point Wastewater Treatment Facility (Narragansett Bay Commission) |  

Open Energy Info (EERE)

Field's Point Wastewater Treatment Facility (Narragansett Bay Commission) Field's Point Wastewater Treatment Facility (Narragansett Bay Commission) Jump to: navigation, search Name Field's Point Wastewater Treatment Facility (Narragansett Bay Commission) Facility Field's Point Wastewater Treatment Facility (Narragansett Bay Commission) Sector Wind energy Facility Type Community Wind Facility Status In Service Owner Gilbane Building Company Developer Narragansett Bay Commission Energy Purchaser Field's Point Location Providence RI Coordinates 41.79260859°, -71.3896966° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":41.79260859,"lon":-71.3896966,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Application of Radial Basis Function Neural Network in Modeling Wastewater Sludge Recycle System  

Science Journals Connector (OSTI)

Sludge recycle system is an important part of wastewater treatment plants(WWTP), which can ensure ... Neural Network model for prediction of the Sludge recycling flowrate, which ultimately affect the Sludge recycling

Long Luo; Liyou Zhou

2010-01-01T23:59:59.000Z

142

^--'^ Poster session : 4st confrence on Small Wastewater Treatment Plants. Stratford-upon-Avon, April 18-21, 1999 f . Contact e-mail : catherine.boutin@cemagref.fr  

E-Print Network [OSTI]

^--'^ Poster session : 4st conférence on Small Wastewater Treatment Plants. Stratford a large number of communities with less than 2 000 inhabitants. The adjustment of wastewater treatment is to describe the five wastewater treatment Systems called "attached-growth cultures on fine média". A high

Paris-Sud XI, Université de

143

Author's personal copy Modelling and automation of water and wastewater treatment processes  

E-Print Network [OSTI]

and Jeppsson, 2006), including sewage systems and surrounding land use. From the methodological viewpoint on the applications of modelling and automation to water and wastewater treatment processes. The session, under sludge processes, to which unconventional and innovative control strategies were applied. But there were

144

Anaerobic Migrating Blanket Reactor Treatment of Low-Strength Wastewater at  

E-Print Network [OSTI]

Anaerobic Migrating Blanket Reactor Treatment of Low-Strength Wastewater at Low Temperatures Largus anaerobic migrating blanket reactor (AMBR) was studied for the treatment of low- strength soluble wastewater milk substrate as a synthetic wastewater at low temperatures (15 and 20 °C). The concentration

Angenent, Lars T.

145

A nonlinear observer design for an activated sludge wastewater treatment process  

E-Print Network [OSTI]

A nonlinear observer design for an activated sludge wastewater treatment process B. Boulkrounea , M : Activated sludge, wastewater treatment process, Lyapunov function, Lips- chitz singular discrete the recent results of [2] and [5]. In the last decades, the modeling of the activated sludge wastewater

Paris-Sud XI, Université de

146

BIOENERGY AND BIOFUELS Domestic wastewater treatment using multi-electrode continuous  

E-Print Network [OSTI]

BIOENERGY AND BIOFUELS Domestic wastewater treatment using multi-electrode continuous flow MFCs Heidelberg 2012 Abstract Treatment of domestic wastewater using microbial fuel cells (MFCs) will require to large changes in the chemical oxygen demand (COD) concentration within the reactor. Domestic wastewater

147

Accepted Manuscript High occurrence of Hepatitis E virus in samples from wastewater treatment plants in  

E-Print Network [OSTI]

Accepted Manuscript High occurrence of Hepatitis E virus in samples from wastewater treatment-Bianchi, D., Oppliger, A., High occurrence of Hepatitis E virus in samples from wastewater treatment plants MANUSCRIPT Highlights Hepatitis E virus (HEV) was searched in raw and treated wastewater in Switzerland

Alvarez, Nadir

148

Optimization of low-cost phosphorus removal from wastewater using co-treatments with constructed  

E-Print Network [OSTI]

treatment residual; iron; lime sludge; municipal wastewater Introduction The US-EPA has identified for removing P from wastewater (US-EPA, 1993). However, questions of mechanisms, predictabilityOptimization of low-cost phosphorus removal from wastewater using co-treatments with constructed

Florida, University of

149

WASTEWATER TREATMENT IN THE OIL SHALE INDUSTRY  

E-Print Network [OSTI]

from ion exchange, reverse osmosis, filtration and otherStripping Ion Exchange Reverse Osmosis Chemical TreatmentElectrolytic Oxidation Reverse Osmosis tJl trafi 1 tration

Fox, J.P.

2010-01-01T23:59:59.000Z

150

GRR/Section 18-HI-c - Wastewater Treatment | Open Energy Information  

Open Energy Info (EERE)

GRR/Section 18-HI-c - Wastewater Treatment GRR/Section 18-HI-c - Wastewater Treatment < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 18-HI-c - Wastewater Treatment 18HIC - WastewaterTreatment (1).pdf Click to View Fullscreen Contact Agencies Hawaii Department of Health Clean Water Branch Regulations & Policies HRS 11-62 HRS 342D Triggers None specified Click "Edit With Form" above to add content 18HIC - WastewaterTreatment (1).pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Flowchart Narrative Wastewater Treatment Permit The Wastewater Branch administers the statewide engineering and financial functions relating to water pollution control,

151

WASTEWATER TREATMENT IN THE OIL SHALE INDUSTRY  

E-Print Network [OSTI]

Waters from Green River Oil Shale," Chem. and Ind. , 1. ,Effluents from In-Situ oil Shale Processing," in Proceedingsin the Treatment of Oil Shale Retort Waters," in Proceedings

Fox, J.P.

2010-01-01T23:59:59.000Z

152

WASTEWATER TREATMENT IN THE OIL SHALE INDUSTRY  

E-Print Network [OSTI]

III, "Method of Breaking Shale Oil-Water Emulsion," U. S.and Biological Treatment of Shale Oil Retort Water, DraftPA (1979). H. H. Peters, Shale Oil Waste Water Recovery by

Fox, J.P.

2010-01-01T23:59:59.000Z

153

Spatial Distribution of Total, Ammonia-Oxidizing, and Denitrifying Bacteria in Biological Wastewater Treatment Reactors for Bioregenerative Life Support  

Science Journals Connector (OSTI)

...bacteria perform recycling of various elements...fixed-film biological wastewater treatment reactors...The high recycling rate provided...distribution of wastewater throughout the...treating and recycling wastewater for consumption...

Yuko Sakano; Karen D. Pickering; Peter F. Strom; Lee J. Kerkhof

2002-05-01T23:59:59.000Z

154

Fate and removal of pharmaceuticals and illicit drugs in conventional and membrane bioreactor wastewater treatment plants and by riverbank filtration  

Science Journals Connector (OSTI)

...chemical contaminants in water and wastewater' compiled and edited by Michael...antibiotics in conventional and advanced wastewater treatment: implications for environmental discharge and wastewater recycling. Water Res. 41, 4164-4176...

2009-01-01T23:59:59.000Z

155

Reducing the Anaerobic Digestion Model N1 for its application to an industrial wastewater treatment plant  

E-Print Network [OSTI]

the Anaerobic Digestion Model N°1 for its application to an industrial wastewater treatment plant treating winery effluent wastewater Carlos García-Diéguez 1 , Olivier Bernard 2 , Enrique Roca 1, * 1 USC ­ PRODES for winery effluent wastewater. A new reduced stoichiometric matrix was identified and the kinetic parameters

Boyer, Edmond

156

A dynamic estimation scheme of specific growth rates of bacteria for an anaerobic wastewater treatment process  

E-Print Network [OSTI]

A dynamic estimation scheme of specific growth rates of bacteria for an anaerobic wastewater anal- ysis and estimation schemes for specific growth rates for an anaerobic wastewater treatment the organic and inorganic materials) of municipal or industrial wastewater often needs to be highly reduced

Paris-Sud XI, Université de

157

Microbial ecology of denitrification in biological wastewater treatment  

Science Journals Connector (OSTI)

Abstract Globally, denitrification is commonly employed in biological nitrogen removal processes to enhance water quality. However, substantial knowledge gaps remain concerning the overall community structure, population dynamics and metabolism of different organic carbon sources. This systematic review provides a summary of current findings pertaining to the microbial ecology of denitrification in biological wastewater treatment processes. DNA fingerprinting-based analysis has revealed a high level of microbial diversity in denitrification reactors and highlighted the impacts of carbon sources in determining overall denitrifying community composition. Stable isotope probing, fluorescence in situ hybridization, microarrays and meta-omics further link community structure with function by identifying the functional populations and their gene regulatory patterns at the transcriptional and translational levels. This review stresses the need to integrate microbial ecology information into conventional denitrification design and operation at full-scale. Some emerging questions, from physiological mechanisms to practical solutions, for example, eliminating nitrous oxide emissions and supplementing more sustainable carbon sources than methanol, are also discussed. A combination of high-throughput approaches is next in line for thorough assessment of wastewater denitrifying community structure and function. Though denitrification is used as an example here, this synergy between microbial ecology and process engineering is applicable to other biological wastewater treatment processes.

Huijie Lu; Kartik Chandran; David Stensel

2014-01-01T23:59:59.000Z

158

Decision Support for Redesigning Wastewater Treatment Technologies  

Science Journals Connector (OSTI)

Critical macroenvironmental factors, such as housing density, transportation infrastructure, and climate conditions were found to affect technology decisions regarding reactor volume, weight of outputs, energy consumption, atmospheric emissions, investment cost, and net revenue. ... It covers Social, Technological, Economic, Environmental, Political, Legal, Ethical, and Demographic factors that can influence the design of the treatment processes, costs, and end-product outputs of the proposed RRP (Table 5). ... However, the risks related to acids may be prohibitive of this method. ...

Jennifer R. McConville; Rahel Knzle; Ulrike Messmer; Kai M. Udert; Tove A. Larsen

2014-09-16T23:59:59.000Z

159

Land treatment of contaminated sludge with wastewater irrigation  

SciTech Connect (OSTI)

A large-scale field experiment was conducted to test the feasibility of land application of sludge from industrial and domestic wastewater treatment to determine the fate and environmental impact of the contaminants. The sludge contained 13 organic priority pollutants, 16 additional environmentally significant organic compounds, and high concentrations of several metals (zinc, copper, lead, nickel, and cadmium). Each compound was monitored as the irrigation water percolated through the soil and the groundwater over time. Most of the organic compounds diminished to non-detectable levels by the end of the study, and the metals proved harmless to the environment. The effectiveness of land application of sludge with wastewater irrigation was clearly demonstrated. 1 figure, 11 tables.

Demirjian, Y.A.; Westman, T.R.; Joshi, A.M.; Rop, D.J.; Buhl, R.V.; Clark, W.R.

1984-04-01T23:59:59.000Z

160

Chapter 14 - Industrial Wastewater Treatment, Recycling, and ReusePast, Present and Future  

Science Journals Connector (OSTI)

Abstract The concept of wastewater treatment is not new, but the current definitions of wastewaters and treatments have a relatively recent origin. Industrialization has played a major role in this area and has been the driving force for many treatment methodologies that are being practiced today. There is a better understanding of the importance of protecting the environment and enhancing overall sustainability today. This chapter considers the past and present states of industrial wastewater treatment. It also outlines future challenges and likely developments in industrial wastewater treatment, recycling, and reuse.

Vivek V. Ranade; Vinay M. Bhandari

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

A mass balance method for assessing the potential of artificial wetlands for wastewater treatment  

Science Journals Connector (OSTI)

Artificial wetlands have been shown to have potential for treating wastewaters. An experimental artificial wetland is described together with a mass balance method for quantifying system performance, major nutrient storage components and nutrient removal mechanisms. The experimental systems were capable of a high level of performance. Percentage load removals for chemical oxygen demand, total nitrogen and total phosphorus were 86, 95 and 99%, respectively. Plant biomass was found to be the major nutrient storage compartment with plant nutrient uptake being the major removal mechanism. It was found that overall system performance could be described by a simple first order, steady state model. System design and hydrology were considered important factors in determining treatment performance. Designs must maximize wastewater-rootzone contact. The experimental systems used an upflow hydraulic format to achieve this design objective.

Peter F. Breen

1990-01-01T23:59:59.000Z

162

2013 Annual Wastewater Reuse Report for the Idaho National Laboratory Sites Central Facilities Area Sewage Treatment Plant  

SciTech Connect (OSTI)

This report describes conditions, as required by the state of Idaho Wastewater Reuse Permit (#LA-000141-03), for the wastewater land application site at the Idaho National Laboratory Sites Central Facilities Area Sewage Treatment Plant from November 1, 2012, through October 31, 2013. The report contains, as applicable, the following information: Site description Facility and system description Permit required monitoring data and loading rates Status of compliance conditions and activities Discussion of the facilitys environmental impacts. During the 2013 permit year, no wastewater was land-applied to the irrigation area of the Central Facilities Area Sewage Treatment Plant and therefore, no effluent flow volumes or samples were collected from wastewater sampling point WW-014102. However, soil samples were collected in October from soil monitoring unit SU-014101.

Mike Lewis

2014-02-01T23:59:59.000Z

163

Innovative Treatment Technologies for Natural Waters and Wastewaters  

SciTech Connect (OSTI)

The research described in this report focused on the development of novel membrane contactor processes (in particular, forward osmosis (FO), pressure retarded osmosis (PRO), and membrane distillation (MD)) in low energy desalination and wastewater treatment applications and in renewable energy generation. FO and MD are recently gaining national and international attention as viable, economic alternatives for removal of both established and emerging contaminants from natural and process waters; PRO is gaining worldwide attention as a viable source of renewable energy. The interrelationship of energy and water are at the core of this study. Energy and water are inextricably bound; energy usage and production must be considered when evaluating any water treatment process for practical application. Both FO and MD offer the potential for substantial energy and resource savings over conventional treatment processes and PRO offers the potential for renewable energy or energy offsets in desalination. Combination of these novel technologies with each other, with existing technologies (e.g., reverse osmosis (RO)), and with existing renewable energy sources (e.g., salinity gradient solar ponds) may enable much less expensive water production and also potable water production in remote or distributed locations. Two inter-related projects were carried out in this investigation. One focused on membrane bioreactors for wastewater treatment and PRO for renewable energy generation; the other focused on MD driven by a salinity gradient solar pond.

Childress, Amy E.

2011-07-01T23:59:59.000Z

164

A Framework for Determining and Establishing the Factors that affect Wastewater Treatment and Recycling.  

E-Print Network [OSTI]

??In this study an assessment of the factors that influence the degree to which a city or community would undertake wastewater treatment and use the (more)

Mekala, Gayathri Devi

2009-01-01T23:59:59.000Z

165

Removal of nitrogen and phosphorus from reject water of municipal wastewater treatment plant.  

E-Print Network [OSTI]

??Reject water, the liquid fraction produced after dewatering of anaerobically digested activated sludge on a municipal wastewater treatment plant (MWWTP), contains from 750 to 1500 (more)

Guo, Chenghong

2011-01-01T23:59:59.000Z

166

Degradation of Estrogens by Rhodococcus zopfii and Rhodococcus equi Isolates from Activated Sludge in Wastewater Treatment Plants  

Science Journals Connector (OSTI)

...chromatography-mass spectrometry...flows into wastewater treatment plants. As some...treatment plants, and loss of ecological balance is causing...disruptors at 47 wastewater treatment plants in 13 districts...chromatography-mass spectrometry...

Takeshi Yoshimoto; Fumiko Nagai; Junji Fujimoto; Koichi Watanabe; Harumi Mizukoshi; Takashi Makino; Kazumasa Kimura; Hideyuki Saino; Haruji Sawada; Hiroshi Omura

2004-09-01T23:59:59.000Z

167

Radiological Instrumentation Assessment for King County Wastewater Treatment Division  

SciTech Connect (OSTI)

The King County Wastewater Treatment Division (WTD) have concern about the aftermath of a radiological dispersion event (RDE) leading to the introduction of significant quantities of radioactive material into its combined sanitary and storm sewer system. Radioactive material could come from the use of a radiological dispersion device (RDD). RDDs include "dirty bombs" that are not nuclear detonations but are explosives designed to spread radioactive material. Radioactive material also could come from deliberate introduction or dispersion of radioactive material into the environment, including waterways and water supply systems. Volume 2 of PNNL-15163 assesses the radiological instrumentation needs for detection of radiological or nuclear terrorism, in support of decisions to treat contaminated wastewater or to bypass the West Point Treatment Plant (WPTP), and in support of radiation protection of the workforce, the public, and the infrastructure of the WPTP. Fixed radiation detection instrumentation should be deployed in a defense-in-depth system that provides 1) early warning of significant radioactive material on the way to the WPTP, including identification of the radionuclide(s) and estimates of the soluble concentrations, with a floating detector located in the wet well at the Interbay Pump Station and telemetered via the internet to all authorized locations; 2) monitoring at strategic locations within the plant, including 2a) the pipe beyond the hydraulic ram in the bar screen room; 2b) above the collection funnels in the fine grit facility; 2c) in the sampling tank in the raw sewage pump room; and 2d) downstream of the concentration facilities that produce 6% blended and concentrated biosolids. Engineering challenges exist for these applications. It is necessary to deploy both ultra-sensitive detectors to provide early warning and identification and detectors capable of functioning in high-dose rate environments that are likely under some scenarios, capable of functioning from 10 microrems per hour (background) up to 1000 rems per hour. Software supporting fixed spectroscopic detectors is needed to provide prompt, reliable, and simple interpretations of spectroscopic outputs that are of use to operators and decision-makers. Software to provide scientists and homeland security personnel with sufficient technical detail for identification, quantification, waste management decisions, and for the inevitable forensic and attribution needs must be developed. Computational modeling using MCNP software has demonstrated that useful detection capabilities can be deployed. In particular, any of the isotopes examined can be detected at levels between 0.01 and 0.1 ?Ci per gallon. General purpose instruments that can be used to determine the nature and extent of radioactive contamination and measure radiation levels for purposes of protecting personnel and members of the public should be available. One or more portable radioisotope identifiers (RIIDs) should be available to WTD personnel. Small, portable battery-powered personal radiation monitors should be widely available WTD personnel. The personal monitors can be used for personal and group radiation protection decisions, and to alert management to the need to get expert backup. All considerations of radiological instrumentation require considerations of training and periodic retraining of personnel, as well as periodic calibration and maintenance of instruments. Routine innocent alarms will occur due to medical radionuclides that are legally discharged into sanitary sewers on a daily basis.

Strom, Daniel J.; McConn, Ronald J.; Brodzinski, Ronald L.

2005-05-19T23:59:59.000Z

168

Thermal sludge dryer demonstration: Bird Island Wastewater Treatment Plant, Buffalo, NY. Final report  

SciTech Connect (OSTI)

The Buffalo Sewer Authority (BSA), in cooperation with the New York State Energy Research and Development Authority (Energy Authority), commissioned a demonstration of a full scale indirect disk-type sludge dryer at the Bird Island Wastewater Treatment Plant (BIWWTP). The purpose of the project was to determine the effects of the sludge dryer on the sludge incineration process at the facility. Sludge incineration is traditionally the most expensive, energy-intensive unit process involving solids handling at wastewater treatment plants; costs for incineration at the BIWWTP have averaged $2.4 million per year. In the conventional method of processing solids, a series of volume reduction measures, which usually includes thickening, digestion, and mechanical dewatering, is employed prior to incineration. Usually, a high level of moisture is still present within sewage sludge following mechanical dewatering. The sludge dryer system thermally dewaters wastewater sludge to approximately 26%, (and as high as 38%) dry solids content prior to incineration. The thermal dewatering system at the BIWWTP has demonstrated that it meets its design requirements. It has the potential to provide significant energy and other cost savings by allowing the BSA to change from an operation employing two incinerators to a single incinerator mode. While the long-term reliability of the thermal dewatering system has yet to be established, this project has demonstrated that installation of such a system in an existing treatment plant can provide the owner with significant operating cost savings.

NONE

1995-01-01T23:59:59.000Z

169

Energy efficiency in municipal wastewater treatment plants: Technology assessment  

SciTech Connect (OSTI)

The New York State Energy Research and Development Authority (NYSERDA) estimates that municipal wastewater treatment plants (WWTPs) in New York State consume about 1.5 billion kWh of electricity each year for sewage treatment and sludge management based on the predominant types of treatment plants, the results of an energy use survey, and recent trends in the amounts of electricity WWTPs use nationwide. Electric utilities in New York State have encouraged demand-side management (DSM) to help control or lower energy costs and make energy available for new customers without constructing additional facilities. This report describes DSM opportunities for WWTPs in New York State; discusses the costs and benefits of several DSM measures; projects energy impact statewide of the DSM technologies; identifies the barrier to implementing DSM at WWTPs; and outlines one possible incentive that could stimulate widespread adoption of DSM by WWTP operators. The DSM technologies discussed are outfall hydropower, on-site generation, aeration efficiency, time-of-day electricity pricing, and storing wastewater.

NONE

1995-11-01T23:59:59.000Z

170

Prediction of wastewater treatment plant performance using artificial neural networks  

Science Journals Connector (OSTI)

Artificial neural networks (ANN) models were developed to predict the performance of a wastewater treatment plant (WWTP) based on past information. The data used in this work were obtained from a major conventional treatment plant in the Greater Cairo district, Egypt, with an average flow rate of 1 million m3/day. Daily records of biochemical oxygen demand (BOD) and suspended solids (SS) concentrations through various stages of the treatment process over 10 months were obtained from the plant laboratory. Exploratory data analysis was used to detect relationships in the data and evaluate data dependence. Two ANN-based models for prediction of BOD and SS concentrations in plant effluent are presented. The appropriate architecture of the neural network models was determined through several steps of training and testing of the models. The ANN-based models were found to provide an efficient and a robust tool in predicting WWTP performance.

Maged M Hamed; Mona G Khalafallah; Ezzat A Hassanien

2004-01-01T23:59:59.000Z

171

PhD thesis `Triclosan removal in wastewater treatment processes' Xijuan Chen Preface and acknowledgements  

E-Print Network [OSTI]

PhD thesis ­ `Triclosan removal in wastewater treatment processes' ­ Xijuan Chen 1 Preface scientific inputs in the triclosan ozonation study. I acknowledge my colleagues in xenobiotic group of #12;PhD thesis ­ `Triclosan removal in wastewater treatment processes' ­ Xijuan Chen 2 University Duisburg

Kolaei, Alireza Rezania

172

ACCEPTED BY WATER ENVIRONMENT RESEARCH ODOR AND VOC REMOVAL FROM WASTEWATER TREATMENT PLANT  

E-Print Network [OSTI]

of their high rates of chemical consumption. Additionally, chemical scrubbers are ineffective for the removalACCEPTED BY WATER ENVIRONMENT RESEARCH _______ ODOR AND VOC REMOVAL FROM WASTEWATER TREATMENT PLANT of biofilters for sequential removal of H2S and VOCs from wastewater treatment plant waste air. The biofilter

173

Integrated Fault Detection and Isolation: Application to a Winery's Wastewater Treatment Plant  

Science Journals Connector (OSTI)

In this paper, an integrated object-oriented fuzzy logic fault detection and isolation (FDI) module for a biological wastewater treatment process is presented. The defined FDI strategy and the software implementation are detailed. Using experimental ... Keywords: anaerobic digestion, fuzzy logic, object-oriented programming, on-line fault detection and isolation (FDI), wastewater treatment

Antoine Genovesi; Jrme Harmand; Jean-Philippe Steyer

2000-07-01T23:59:59.000Z

174

Idaho On-Site Wastewater Systems Webpage | Open Energy Information  

Open Energy Info (EERE)

Systems Webpage Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: Idaho On-Site Wastewater Systems Webpage Abstract This webpage provides an...

175

Emergence of Competitive Dominant Ammonia-Oxidizing Bacterial Populations in a Full-Scale Industrial Wastewater Treatment Plant  

Science Journals Connector (OSTI)

...wastewater treatment plants (WWTPs) to...industrial WWTPs to balance the high organic...under normal plant operating conditions...may lead to treatment performance...gallons of wastewater daily, containing...Waltham, Mass.) under the...

Alice C. Layton; Hebe Dionisi; H.-W. Kuo; Kevin G. Robinson; Victoria M. Garrett; Arthur Meyers; Gary S. Sayler

2005-02-01T23:59:59.000Z

176

Automated Demand Response Opportunities in Wastewater Treatment Facilities  

E-Print Network [OSTI]

Interoperable Automated Demand Response Infrastructure,study of automated demand response in wastewater treatmentopportunities for demand response control strategies in

Thompson, Lisa

2008-01-01T23:59:59.000Z

177

Automated Demand Response Opportunities in Wastewater Treatment Facilities  

E-Print Network [OSTI]

05CH11231. References EPRI, Energy Audit Manual for Water/Research Institute, Energy Audit Manual for Water/Wastewater

Thompson, Lisa

2008-01-01T23:59:59.000Z

178

Opportunities for CHP at Wastewater Treatment Facilities: Market Analysis and Lessons from the Field, U.S. EPA, October 2011  

Broader source: Energy.gov [DOE]

Opportunities for Combined Heat and Power at Wastewater Treatment Facilities: Market Analysis and Lessons from the Field

179

Research on Performance of Wastewater Purification Unit and Recycling of Wastewater and sludge Dewatering of In-Site in Feng Shan Wate Treatment Plant.  

E-Print Network [OSTI]

??During the water treatment process, each processing unit releases the sludge from the sedimentation process, and the wastewater from the rapid sand wash and filtration (more)

Chen, Hsin-hung

2008-01-01T23:59:59.000Z

180

Treatment of shale gas wastewater in the Marcellus : a comparative analysis.  

E-Print Network [OSTI]

??This analysis focused primarily on three main treatment methods which were re-use, recycle, and disposal wells. The re-use treatment option is when wastewater is mixed (more)

Yisa, Junaid Ololade

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

2005 Borchardt Conference: A Seminar on Advances in Water and Wastewater Treatment February 23-25, Ann Arbor, MI  

E-Print Network [OSTI]

-25, Ann Arbor, MI Conference Proceedings 1 Membrane Biofilm Reactors for Water and Wastewater Treatment and Wastewater Treatment February 23-25, Ann Arbor, MI Conference Proceedings 2 (sparging) to replenish oxygen: A Seminar on Advances in Water and Wastewater Treatment February 23-25, Ann Arbor, MI Conference Proceedings

Nerenberg, Robert

182

Water Distribution and Wastewater Systems Operators (North Dakota) |  

Broader source: Energy.gov (indexed) [DOE]

Water Distribution and Wastewater Systems Operators (North Dakota) Water Distribution and Wastewater Systems Operators (North Dakota) Water Distribution and Wastewater Systems Operators (North Dakota) < Back Eligibility Utility Fed. Government Commercial Agricultural Investor-Owned Utility State/Provincial Govt Industrial Construction Municipal/Public Utility Local Government Residential Installer/Contractor Rural Electric Cooperative Tribal Government Low-Income Residential Schools Retail Supplier Institutional Multi-Family Residential Systems Integrator Fuel Distributor Nonprofit General Public/Consumer Transportation Program Info State North Dakota Program Type Siting and Permitting All public water supply and wastewater disposal systems are subject to classification and regulation by the State of North Dakota, and must obtain certification from the State Department of Health

183

Evaluation of biological treatment for the degradation of petroleum hydrocarbons in a wastewater treatment plant  

E-Print Network [OSTI]

Training Field, 2004) 6 Figure 2. Layout of the Fire Training Field (Map of Brayton Fire Training Field and Disaster City, 2004 ) 7 TREATMENT PLANT UNITS The wastewater treatment plant consists of four basic units, namely...-Blaze contains several strains of non-pathogenic, spore forming, facultative bacteria, Bacillus, along with a surfactant and nutrients sufficient for biodegradation. The physical characteristics listed for the product (Micro Blaze Spill Control, 2004...

Basu, Pradipta Ranjan

2005-08-29T23:59:59.000Z

184

Wastewater Regulations for National Pollutant Discharge Elimination System  

Broader source: Energy.gov (indexed) [DOE]

Wastewater Regulations for National Pollutant Discharge Elimination Wastewater Regulations for National Pollutant Discharge Elimination System (NPDES) Permits, Underground Injection Control (UIC) Permits, State Permits, Water Quality Based Effluent Limitations and Water Quality Certification (Mississippi) Wastewater Regulations for National Pollutant Discharge Elimination System (NPDES) Permits, Underground Injection Control (UIC) Permits, State Permits, Water Quality Based Effluent Limitations and Water Quality Certification (Mississippi) < Back Eligibility Agricultural Commercial Construction Developer Fed. Government Fuel Distributor General Public/Consumer Industrial Installer/Contractor Institutional Investor-Owned Utility Local Government Low-Income Residential Multi-Family Residential Municipal/Public Utility Nonprofit Residential

185

Tritiated wastewater treatment and disposal evaluation for 1994  

SciTech Connect (OSTI)

This report discusses and analyzes information and issues regarding tritium and tritium management. It was prepared in response to the Hanford Federal Facility Agreement and Consent Order (Tri-Party Agreement) Milestone M-26-05A for the evaluation of tritiated wastewater treatment and disposal. The key elements of the report are summarized as follows: Discharge of tritiated water is regulated worldwide. Differences exist in discharge limits and in regulatory philosophy from country to country and from state to state in the United States. Tritium from manmade sources is emitted into the atmosphere and discharged into the ground or directly to the oceans and to waterways that empty into the oceans. In 1989, reported worldwide emissions of tritium from nuclear power generating plants totaled almost 1,000,000 Curies (Ci).

Not Available

1994-08-01T23:59:59.000Z

186

Effect of Wastewater Treatment Plant Effluent on Microbial Function and Community Structure in the Sediment of a Freshwater Stream with Variable Seasonal Flow  

Science Journals Connector (OSTI)

...effects on the oxygen balance. J. Water Pollut...influence of untreated wastewater to aquatic communities...2006. Effects of wastewater treatment plant discharge on ecosystem...bacteria in a municipal wastewater treatment plant. Environ. Sci...

Steven A. Wakelin; Matt J. Colloff; Rai S. Kookana

2008-03-14T23:59:59.000Z

187

Feasibility of geothermal heat use in the San Bernardino Municipal Wastewater Treatment Plant. Final report, September 1980-June 1981  

SciTech Connect (OSTI)

The results of the feasibility study for utilizing low temperature geothermal heat in the City of San Bernardino Wastewater Treatment Plant are summarized. The study is presented in terms of preliminary engineering design, economic analysis, institutional issues, environmental impacts, resource development, and system implementation.

Racine, W.C.; Larson, T.C.; Stewart, C.A.; Wessel, H.B.

1981-06-01T23:59:59.000Z

188

Method and apparatus for energy efficient self-aeration in chemical, biochemical, and wastewater treatment processes  

DOE Patents [OSTI]

The present invention is a pulse spilling self-aerator (PSSA) that has the potential to greatly lower the installation, operation, and maintenance cost associated with aerating and mixing aqueous solutions. Currently, large quantities of low-pressure air are required in aeration systems to support many biochemical production processes and wastewater treatment plants. Oxygen is traditionally supplied and mixed by a compressor or blower and a mechanical agitator. These systems have high-energy requirements and high installation and maintenance costs. The PSSA provides a mixing and aeration capability that can increase operational efficiency and reduce overall cost.

Gao, Johnway [Richland, WA; Skeen, Rodney S [Pendleton, OR

2002-05-28T23:59:59.000Z

189

Monitoring Estrogen Compounds in Wastewater Recycling Systems  

Science Journals Connector (OSTI)

The presence of pharmaceuticals and personal care products (PPCPs) and endocrine disrupting chemicals (EDCs) in treated wastewater is gaining attention due to their potential ... quantify estrogen compounds in sa...

Deborah M. Kvanli; Sreelatha Marisetty; Todd A. Anderson

2008-02-01T23:59:59.000Z

190

Study on Further Treatment of Coal Coking Wastewater by Ultrasound Wave, Fenton's Reagent and Coagulation  

Science Journals Connector (OSTI)

The study on further treatment of coal coking wastewater by ultrasound wave, Fenton's reagent and coagulation was carried out in this paper at the first time, Furthermore, this paper discussed the optimum cooperative reaction condition of their combined ... Keywords: ultrasound wave, coke plant wastewater, Fenton reagent, coagulation

Jun Shi; Liangbo Zhang

2009-10-01T23:59:59.000Z

191

Treatment of Wastewater from Mineral Processing by using Algae.  

E-Print Network [OSTI]

??Nowadays, the utilisation of algae in industrial processes to produce useful compounds or to treat waste streams is of great interest. Industrial wastewaters such as (more)

Sprock, Stefan

2013-01-01T23:59:59.000Z

192

In situ investigation of tubular microbial fuel cells deployed in an aeration tank at a municipal wastewater treatment plant  

E-Print Network [OSTI]

wastewater treatment plant Fei Zhang a , Zheng Ge a , Julien Grimaud b , Jim Hurst b , Zhen He a: Microbial fuel cells Wastewater treatment Organic removal Aeration Activated sludge a b s t r a c of wastewater quality, and other operating conditions. Unlike prior lab stud- ies by others, the results

193

Physical-chemical characterization of sludge and granular materials from a vertical flow constructed wetland for municipal wastewater treatment  

E-Print Network [OSTI]

constructed wetland for municipal wastewater treatment B. Kim1,2 , M. Gautier*1 , P. Michel2 and R. Gourdon1 1, Society of design and production engineering for wastewater purification, 5 Allée Alban Vistel, F-69110 Wetlands (VFCW) is well developed in France and other countries for the treatment of wastewaters from small

Boyer, Edmond

194

Tools to support a model-based methodology for emission/immission and benefit/cost/risk analysis of wastewater systems that considers uncertainty  

Science Journals Connector (OSTI)

This paper presents a set of tools developed to support an innovative methodology to design and upgrade wastewater treatment systems in a probabilistic way. For the first step, data reconstruction, two different tools were developed, one for situations ... Keywords: Cost-benefit analysis, Grid computing, Modelling and simulation, Risk, Software tools, Wastewater treatment plant design

Lorenzo Benedetti; Davide Bixio; Filip Claeys; Peter A. Vanrolleghem

2008-08-01T23:59:59.000Z

195

Interrelated Effects of Aeration and Mixed Liquor Fractions on Membrane Fouling for Submerged Membrane Bioreactor Processes in Wastewater Treatment  

Science Journals Connector (OSTI)

Interrelated Effects of Aeration and Mixed Liquor Fractions on Membrane Fouling for Submerged Membrane Bioreactor Processes in Wastewater Treatment ... using hollow fibers was applied to wastewater treated by the activated-sludge process. ...

Fengshen Fan; Hongde Zhou

2007-02-21T23:59:59.000Z

196

Designing a wastewater and storm water management system for a new sealed lead acid battery facility  

SciTech Connect (OSTI)

Design of a new lead acid battery manufacturing facility requires careful planning to ensure compliance with wastewater, storm water, air quality and hazardous waste regulations. A case history is presented describing the planning approach to development of a wastewater and storm water management system for an SLA (sealed lead acid) battery plant in Columbus, Georgia. Several pollution prevention concepts were utilized in the design of the wastewater management system, which resulted in an 80% reduction in wastewater volume, and at the same time ensured compliance with the mass-based federal categorical effluent limits. Storm water management features were focused on eliminating any outdoor areas of industrial activity by avoiding outdoor storage areas to the extent possible, containment of remaining areas, and stringent air emission control concepts. Federal effluent guidelines for the battery manufacturing point source category as well as federal regulations governing the industrial storm water discharge permitting program were the key factors in motivating the design concepts utilized. Areas affected by the design concepts included facility layout, HVAC system design, process recovery systems, chemical storage and containment, and wastewater treatment technology. The facility has been in compliance with all applicable environmental regulations since startup in August, 1992 and has been awarded the 1995 Matsushita Electric Corporation`s President`s Award for Environmental Excellence.

Nichols, C.P.; Langan, M.M.

1996-12-31T23:59:59.000Z

197

Saving Energy at 24/7 Wastewater Treatment Plant | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Energy at 24/7 Wastewater Treatment Plant Energy at 24/7 Wastewater Treatment Plant Saving Energy at 24/7 Wastewater Treatment Plant July 29, 2010 - 4:11pm Addthis How does it work? Longview, Texas received $781,900 in Recovery Act funding. Co-generation power plant to save 16,571 kWh annually. Local utility to provide the city $150 rebate for every kW of peak demand reduced. In the city of Longview, Texas, the wastewater treatment facility uses more electricity than any other public building. Making investments to permanently cut energy costs at the plant is important for this East Texas city of approximately 77,000. "Our city has felt the effects of the recession. Several companies have laid 100-200 folks off and many are still waiting to be hired back," said Shawn Raney, a safety specialist with the Longview city government. "The

198

The Energy-Water Nexus: State and Local Roles in Efficiency & Water and Wastewater Treatment Plants  

Broader source: Energy.gov [DOE]

This presentation, given through the DOE's Technical Assitance Program (TAP), provides information on the Energy-Water Nexus: State and Local Roles in Efficiency & Water and Wastewater Treatment Plants.

199

Hydrogen-Based Membrane Biofilm Reactor for Wastewater Treatment Bruce E. Rittmann, Robert Nerenberg  

E-Print Network [OSTI]

1 Hydrogen-Based Membrane Biofilm Reactor for Wastewater Treatment Bruce E. Rittmann, RobertCarty 2001). If soluble organic nitrogen can be held to a few tenths of a mg/L, the total N can

Nerenberg, Robert

200

Cost-effective wastewater treatment and recycling in mini-plants using mass integration  

Science Journals Connector (OSTI)

This work illustrates the use of a mass integration approach to cost-effectively reduce wastewater treatment and discharge in mini-industrial plants. The approach focuses on the use of functional analysis, gr...

Ahmad Hamad; Ahmed Aidan; Muataz Douboni

2003-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

EPA ENERGY STAR Webcast: Benchmarking Water/Wastewater Treatment Facilities in Portfolio Manager  

Broader source: Energy.gov [DOE]

Learn how to track the progress of energy efficiency efforts and compare the energy use of wastewater treatment plants to other peer facilities across the country. Attendees will learn how to...

202

Wastewater treatment and flow patterns in an onsite subsurface flow constructed wetland  

E-Print Network [OSTI]

Subsurface flow constructed wetlands (SFCWs) are becoming increasingly common as a secondary treatment of onsite domestic wastewater. Even though SFCWs are being used widely, sufficient data has not been collected to determine how parameters...

Stecher, Matthew C

2001-01-01T23:59:59.000Z

203

Determination of Baselines for Evaluation and Promotion of Energy Efficiency in Wastewater Treatment Facilities  

E-Print Network [OSTI]

Wastewater treatment plants are one of the largest energy consumers managed by the public sector. As plants expand in the future to accommodate population growth, energy requirements will substantially increase. Thus, implementation of energy...

Chow, S. A.; Ganji, A. R.; Fok, S.

204

Water/Wastewater Treatment Plant Field Device Wiring Method Decision Analysis  

E-Print Network [OSTI]

The choice of field device wiring method for water and wastewater treatment plant design is extremely complex and contains many variables. The choice not only affects short-term startup and equipment costs, but also long-term operations...

Dicus, Scott C.

2011-12-16T23:59:59.000Z

205

Greenhouse gas emission by wastewater treatment plants of the pulp and paper industry Modeling and simulation  

Science Journals Connector (OSTI)

Abstract Greenhouse gas (GHG) emission and energy consumption in wastewater treatment plants (WWTPs) of the pulp and paper industry were modeled and estimated. Aerobic, anaerobic, and hybrid biological processes were used for the removal of contaminants. In addition to the removal of carbonaceous compounds, anaerobic digestion of the produced sludge and the removal of excess nitrogen in the effluent of treatment plants by nitrification/denitrification processes were incorporated in the model. Carbon dioxide, methane, and nitrous oxide were the major \\{GHGs\\} generated during the biological treatment, combustion, energy generation, and transportation. The generated biogas from the anaerobic processes was assumed to be recovered and used as a source of energy for the treatment plant, in an effort to reduce GHG emissions while decreasing the total energy needs of the WWTP. The established kinetic relationships of wastewater treatment processes along with mass and energy balances were employed for the simulation of different treatment systems and estimation of GHG emissions. Various sources of GHG emission were divided into on-site and off-site sources to simplify the modeling and simulation procedure. The overall GHG generation in the presence of biogas recovery was equal to 1.576, 3.026, and 3.271kg CO2-equivalent/kg BOD by the three examined systems. The energy produced by the recovery and combustion of biogas could exceed the energy demands of all different treatment plants examined in this study and reduce off-site GHG emission. The generation of \\{GHGs\\} from aerobic and hybrid processes increased by 27% and 33.2%, respectively, when N2O emission from nitrogen removal processes was taken into consideration.

Omid Ashrafi; Laleh Yerushalmi; Fariborz Haghighat

2013-01-01T23:59:59.000Z

206

Treatment of wastewater effluents from paper-recycling plants by coagulation process and optimization of treatment conditions with response surface methodology  

Science Journals Connector (OSTI)

In the present study, a coagulation process was used to treat paper-recycling wastewater with alum coupled with poly aluminum chloride ... optimum conditions for high treatment efficiency of paper-recycling wastewater

Noushin Birjandi; Habibollah Younesi; Nader Bahramifar

2014-09-01T23:59:59.000Z

207

Fossil organic carbon in wastewater and its fate in treatment plants  

Science Journals Connector (OSTI)

Abstract This study reports the presence of fossil organic carbon in wastewater and its fate in wastewater treatment plants. The findings pinpoint the inaccuracy of current greenhouse gas accounting guidelines which defines all organic carbon in wastewater to be of biogenic origin. Stable and radiocarbon isotopes (13C and 14C) were measured throughout the process train in four municipal wastewater treatment plants equipped with secondary activatedsludge treatment. Isotopic mass balance analyses indicate that 414% of influent total organic carbon (TOC) is of fossil origin with concentrations between 6 and 35mg/L; 8898% of this is removed from the wastewater. The TOC mass balance analysis suggests that 3965% of the fossil organic carbon from the influent is incorporated into the activated sludge through adsorption or from cell assimilation while 2950% is likely transformed to carbon dioxide (CO2) during secondary treatment. The fossil organic carbon fraction in the sludge undergoes further biodegradation during anaerobic digestion with a 12% decrease in mass. 1.46.3% of the influent TOC consists of both biogenic and fossil carbon is estimated to be emitted as fossil CO2 from activated sludge treatment alone. The results suggest that current greenhouse gas accounting guidelines, which assume that all CO2 emission from wastewater is biogenic may lead to underestimation of emissions.

Yingyu Law; Geraldine E. Jacobsen; Andrew M. Smith; Zhiguo Yuan; Paul Lant

2013-01-01T23:59:59.000Z

208

H.A.R. 11-62 - Wastewater Systems | Open Energy Information  

Open Energy Info (EERE)

Wastewater Systems Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- RegulationRegulation: H.A.R. 11-62 - Wastewater SystemsLegal Abstract The...

209

Mass balance for wastewater nitrogen in the Central ArizonaPhoenix ecosystem  

Science Journals Connector (OSTI)

A complete nitrogen mass balance for all wastewater generated in the Central ArizonaPhoenix ecosystem was developed using data from the 18 largest wastewater treatment plants (99% of flow). Components included total N in raw wastewater, denitrification in wastewater treatment plants, biosolids production, and effluent (reuse, recharge, and discharge). Denitrification and biosolids production remove 81% of wastewater N. Nearly all biosolids are recycled to cotton fields within the ecosystem. Most effluent is recycled within the ecosystem. As the result of wastewater management practices developed to reuse wastewater, wastewater N is either deliberately volatilized or accumulates within the system; only 4% of the original wastewater N is exported via the Gila River.

Lisa Lauver; Lawrence A Baker

2000-01-01T23:59:59.000Z

210

A comprehensive substance flow analysis of a municipal wastewater and sludge treatment plant  

Science Journals Connector (OSTI)

Abstract The fate of total organic carbon, 32 elements (Al, Ag, As, Ba, Be, Br, Ca, Cd, Cl, Co, Cr, Cu, Fe, Hg, K, Li, Mg, Mn, Mo, N, Na, Ni, P, Pb, S, Sb, Se, Sn, Sr, Ti, V, and Zn) and 4 groups of organic pollutants (linear alkylbenzene sulfonates, bis(2-ethylhexyl)phthalate, polychlorinated biphenyl and polycyclic aromatic hydrocarbons) in a conventional wastewater treatment plant were assessed. Mass balances showed reasonable closures for most of the elements. However, gaseous emissions were accompanied by large uncertainties and show the limitation of mass balance based substance flow analysis. Based on the assessment, it is evident that both inorganic and organic elements accumulated in the sewage sludge, with the exception of elements that are highly soluble or degradable by wastewater and sludge treatment processes. The majority of metals and metalloids were further accumulated in the incineration ash, while the organic pollutants were effectively destroyed by both biological and thermal processes. Side streams from the sludge treatment process (dewatering and incineration) back to the wastewater treatment represented less than 1% of the total volume entering the wastewater treatment processes, but represented significant substance flows. In contrast, the contribution by spent water from the flue gas treatment process was almost negligible. Screening of human and eco-toxicity by applying the consensus-based environmental impact assessment method \\{USEtox\\} addressing 15 inorganic constituents showed that removal of inorganic constituents by the wastewater treatment plant reduced the toxic impact potential by 8792%.

H. Yoshida; T.H. Christensen; T. Guildal; C. Scheutz

2013-01-01T23:59:59.000Z

211

Perceived Risk and the Siting of a Controversial Wastewater Treatment Plant in Central Texas  

E-Print Network [OSTI]

PERCEIVED RISK AND THE SITING OF A CONTROVERSIAL WASTEWATER TREATMENT PLANT IN CENTRAL TEXAS A Thesis by PAT MORRISON KULTGEN Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment... and guidance during times of confusion and stress. Finally, I am very thankful for the technical help and patient explanations I received from Dr. Li regarding wastewater and watershed management; he always greeted me with a friendly hello that calmed my self...

Kultgen, Pat Morrison

2013-08-16T23:59:59.000Z

212

Development and Application of a Model to Estimate Wastewater Treatment Plant Prescription Pharmaceutical Influent Loadings and Concentrations  

Science Journals Connector (OSTI)

A mass balance model was developed to estimate prescription pharmaceutical loadings to municipal wastewater treatment plants via computation of influent concentrations (C IN). Model estimates of C

Karl J. Ottmar; Lisa M. Colosi

2010-05-01T23:59:59.000Z

213

Iron oxide red wastewater treatment and recycling of iron-containing sludge  

Science Journals Connector (OSTI)

Abstract The paper presents a wastewater treatment process and recycling of iron sludge from wastewater treatment for iron oxide red production. Results show that: (1) Sludge from wastewater treatment process under the operating parameters: 1.84g/L of NaOH dosage, 10mins of aeration with flow rate of 1L/min and 150mins of sediment time is potential for seed crystal preparation and excellent iron oxide red product can be obtained in the secondary oxidation under condition of 85C, 68h of reaction time and 150mL/min of airflow rate, (2) In practical engineering, the average removal rate of Fe2+ and SS and chroma of effluent is 99.75%, 86.7% and less than 40 times, respectively, and all items of product satisfy demands of industrial standards, (3) Compared with the original wastewater treatment, the new process can save the cost of wastewater treatment and earn extra 20.0 dollars for a ton of iron oxide red product and then both economic benefit and environmental protection can be realized by this process. It is proved that the novel method is reliable, economical and promising in iron oxide red industry and cleaner production of iron oxide red is feasible.

Zhenguo Chen; Xiaojun Wang; Qilong Ge; Guanchao Guo

2015-01-01T23:59:59.000Z

214

Mercury mass balance at a wastewater treatment plant employing sludge incineration with offgas mercury control  

Science Journals Connector (OSTI)

Efforts to reduce the deliberate use of mercury (Hg) in modern industrialized societies have been largely successful, but the minimization and control of Hg in waste streams are of continuing importance. Municipal wastewater treatment plants are collection points for domestic, commercial, and industrial wastewaters, and Hg removal during wastewater treatment is essential for protecting receiving waters. Subsequent control of the Hg removed is also necessary to preclude environmental impacts. We present here a mass balance for Hg at a large metropolitan wastewater treatment plant that has recently been upgraded to provide for greater control of the Hg entering the plant. The upgrade included a new fluidized bed sludge incineration facility equipped with activated carbon addition and baghouse carbon capture for the removal of Hg from the incinerator offgas. Our results show that Hg discharges to air and water from the plant represented less than 5% of the mass of Hg entering the plant, while the remaining Hg was captured in the ash/carbon residual stream exiting the new incineration process. Sub-optimum baghouse operation resulted in some of the Hg escaping collection there and accumulating with the ash/carbon particulate matter in the secondary treatment tanks. Overall, the treatment process is effective in removing Hg from wastewater and sequestering it in a controllable stream for secure disposal.

Steven J. Balogh; Yabing H. Nollet

2008-01-01T23:59:59.000Z

215

Feasibility study on production of biodegradable polymer and wastewater treatment using Aeromonas strains for materials recycling  

Science Journals Connector (OSTI)

Abstract With consideration of wastewater treatment and materials recycling for cradle-to-cradle (C2C) sustainable development, this treatability study analyzed the capability of poly 3-hydroxybutyrate (PHB) production in wastewater-laden media using indigenous dye-decolorizing Aeromonas hydrophila NIU01, KB23, Aeromonas salmonicida 741. Compared to paper-container, frozen food, wine manufacturing wastewater, wastewater generated from printing and dyeing industry was found to be more appropriate to efficiently produce PHB for materials recycling. Due to lack of sufficient essential inorganic nutrients provided for cell propagation, dye-decolorized wastewater with augmented MR media in different ratios was used to explore toxicity potency of mixed media and to present PHB-producing capability of cells. In particular, when MR media were completely replaced by decolorized culture broth, significant stimulating effect on PHA-production was shown (ca. 52.5% PHB content). This study clearly revealed the promising feasibility of simultaneous wastewater treatment and biopolymer production for cradle-to-cradle sustainable development.

Bor-Yann Chen; Tz-Jau Shiau; Jhao-Yin Hung; Yu-Hong Wei; Chi-Wei Lan

2014-01-01T23:59:59.000Z

216

Constructed Wetlands and Waste Stabilization Ponds for municipal wastewater treatment in France: comparison of  

E-Print Network [OSTI]

13 Constructed Wetlands and Waste Stabilization Ponds for municipal wastewater treatment in France In France, vertical flow constructed wetlands and waste stabilisation ponds are both extensive treatment processes well adapted to small rural communities mainly because they are easy to operate

Paris-Sud XI, Université de

217

Wastewater management in Kunming, China: a stakeholder  

E-Print Network [OSTI]

Wastewater management in Kunming, China: a stakeholder perspective on measures at the source EDI systems with central wastewater treatment plants were long considered a successful model that could the feasibility of introducing measures at the source for the different urban wastewater contributions in the city

Richner, Heinz

218

ENERGY STAR Score for Wastewater Treatment Plants | ENERGY STAR Buildings &  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Wastewater Treatment Plants Wastewater Treatment Plants Secondary menu About us Press room Contact Us Portfolio Manager Login Facility owners and managers Existing buildings Commercial new construction Industrial energy management Small business Service providers Service and product providers Verify applications for ENERGY STAR certification Design commercial buildings Energy efficiency program administrators Commercial and industrial program sponsors Associations State and local governments Federal agencies Tools and resources Training In This Section Campaigns Commercial building design Communications resources Energy management guidance Financial resources Portfolio Manager Products and purchasing Recognition Research and reports Service and product provider (SPP) resources Success stories Target Finder

219

Radioactive wastewater treatment using a mixture of TANNIX sorbent and VARION mixed bed ion exchange resin  

Science Journals Connector (OSTI)

A wastewater treatment system has been developed by using a mixture of ammonium-insoluble tannin (TANNIX, this is the trademark of an adsorbent made by Mitsubishi Nuclear Fuel Co. Ltd) and mixed (strong acid cation exchanger and strong base anion exchanger) ion exchange resin (MIX) for the selective separation of transuranium isotopes, including Pu, Am, Cm, and U, as well as fission and radioactive corrosion products from boric acid solution (pH ? 4.1). The equilibrium and fixed bed sorption experiments resulted in Kd values of 104??105 ml/g, and decontamination factors of 1,000, with a breakthrough point between 1500 BV and 5000 BV of accumulated volume.

G. Patzay; P. Tilky; J. Schunk; T. Pinter; F. Feil; K. Hamaguchi; L. Weiser

2006-01-01T23:59:59.000Z

220

Anaerobic treatment of high-sulfate wastewater and substrate interactions with isopropanol  

SciTech Connect (OSTI)

Modified biological methane-potential tests were used to study the treatment of wastewater with a chemical oxygen demand (COD) concentration of 40,000 mg/L and a sulfate concentration of 5,000 mg/L. The effects of wastewater concentrations on biodegradation and substrate interactions between sulfate reducers and methanogens were studied. Isopropanol (IPA) degradation was studied since isopropyl acetate was the major organic component in the wastewater. Six sets of batch tests were done, including a series of tests with varying concentrations of wastewater; wastewater and glucose; glucose and sulfate; IPA; IPA and glucose; and IPA, glucose, and sulfate. Sulfur and electron balances were used to analyze data to determine the extent of biodegradation from both methanogenesis and sulfate reduction. IPA did not appear to be inhibitory to methanogenesis or sulfate reduction. In comparison to glucose, the presence of wastewater or isopropanol stimulated greater sulfate-reduction efficiency. Evidence for IPA degradation was observed, and IPA degradation was stimulated in the presence of sulfate. Continuous feed-reactor results corroborated batch-test observations.

Fox, P.; Ketha, S. [Arizona State Univ., Tempe, AZ (United States). Dept. of Civil and Environmental Engineering

1996-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Optimization of diclofenac quantification from wastewater treatment plant sludge by ultrasonication assisted extraction  

Science Journals Connector (OSTI)

Abstract A rapid quantification method of diclofenac from sludge samples through ultrasonication assisted extraction and solid phase extraction (SPE) was developed and used for the quantification of diclofenac concentrations in sludge samples with liquid chromatography/tandem mass spectrometry (LCMS/MS). Although the concentration of diclofenac in sludge samples taken from different units of wastewater treatment plants in Istanbul was below the limit of quantification (LOQ; 5ng/g), an optimized method for sludge samples along with the total mass balances in a wastewater treatment plant can be used to determine the phase with which diclofenac is mostly associated. Hence, the results will provide information on fate and transport of diclofenac, as well as on the necessity of alternative removal processes. In addition, since the optimization procedure is provided in detail, it is possible for other researchers to use this procedure as a starting point for the determination of other emerging pollutants in wastewater sludge samples.

Emel Topuz; Sevgi Sari; Gamze Ozdemir; Egemen Aydin; Elif Pehlivanoglu-Mantas; Didem Okutman Tas

2014-01-01T23:59:59.000Z

222

Wastewater treatment. (Latest citations from the EI Compendex*plus database). Published Search  

SciTech Connect (OSTI)

The bibliography contains citations concerning techniques and equipment for the treatment of industrial (except mining) effluent streams. Consideration is given to the removal, reclamation, and recycling of various trace metals, heavy-metals, hydrocarbons, and oily wastewaters to meet regulatory agency discharge or inplant reuse standards. (Contains 50-250 citations and includes a subject term index and title list.) (Copyright NERAC, Inc. 1995)

NONE

1995-12-01T23:59:59.000Z

223

Wastewater treatment. (Latest citations from the EI compendex*plus database). Published Search  

SciTech Connect (OSTI)

The bibliography contains citations concerning techniques and equipment for the treatment of industrial (except mining) effluent streams. Consideration is given to the removal, reclamation, and recycling of various trace metals, heavy-metals, hydrocarbons, and oily wastewaters to meet regulatory agency discharge or inplant reuse standards. (Contains 250 citations and includes a subject term index and title list.)

NONE

1995-01-01T23:59:59.000Z

224

Wastewater treatment. (Latest citations from the EI Compendex*plus database). Published Search  

SciTech Connect (OSTI)

The bibliography contains citations concerning techniques and equipment for the treatment of industrial (except mining) effluent streams. Consideration is given to the removal, reclamation, and recycling of various trace metals, heavy-metals, hydrocarbons, and oily wastewaters to meet regulatory agency discharge or inplant reuse standards. (Contains 250 citations and includes a subject term index and title list.)

Not Available

1994-01-01T23:59:59.000Z

225

EECBG Success Story: Saving Energy at 24/7 Wastewater Treatment Plant  

Broader source: Energy.gov [DOE]

In the city of Longview, Texas, the wastewater treatment facility uses more electricity than any other public building. City officials were able to fund a new co-generation power plant and energy efficiency upgrades at the facility through a $781,900 Energy Efficiency and Conservation Block Grant (EECBG). Learn more.

226

Modeling and analysis of pumps in a wastewater treatment plant: A data-mining approach  

E-Print Network [OSTI]

Modeling and analysis of pumps in a wastewater treatment plant: A data-mining approach Andrew Available online 28 April 2013 Keywords: Data mining Pump modeling Multi-layer perceptron neural network Time series Pump scheduling and controlling Energy consumption a b s t r a c t A data-mining approach

Kusiak, Andrew

227

Environmental Assessment and Finding of No Significant Impact: Wastewater Treatment Capability Upgrade, Project NO. 96-D-122 Pantex Plant Amarillo, Texas  

SciTech Connect (OSTI)

This Environmental Assessment (EA) addresses the U.S. Department of Energy (DOE) proposed action regarding an upgrade of the Pantex Plant Wastewater Treatment Facility (WWTF). Potential environmental consequences associated with the proposed action and alternative actions are provided. DOE proposes to design, build, and operate a new WWTF, consistent with the requirements of Title 30 of the Texas Administrative Code (TAC), Chapter 317, ''Design Criteria for Sewage Systems,'' capable of supporting current and future wastewater treatment requirements of the Plant. Wastewater treatment at Pantex must provide sufficient operational flexibility to meet Pantex Plant's anticipated future needs, including potential Plant mission changes, alternative effluent uses, and wastewater discharge permit requirements. Treated wastewater effluent and non-regulated water maybe used for irrigation on DOE-owned agricultural land. Five factors support the need for DOE action: (1) The current WWTF operation has the potential for inconsistent permit compliance. (2) The existing WWTF lies completely within the 100-year floodplain. (3) The Pantex Plant mission has the potential to change, requiring infrastructure changes to the facility. (4) The life expectancy of the existing facility would be nearing its end by the time a new facility is constructed. (5) The treated wastewater effluent and non-regulated water would have a beneficial agricultural use through irrigation. Evaluation during the internal scoping led to the conclusion that the following factors are present and of concern at the proposed action site on Pantex Plant: (1) Periodic wastewater effluent permit exceedances; (2) Wetlands protection and floodplain management; (3) Capability of the existing facility to meet anticipated future needs of Pantex (4) Existing facility design life; and (5) Use of treated wastewater effluent and non-regulated water for irrigation. Evaluation during the internal scoping led to the conclusion that the following conditions are not present, nor of concern at the proposed site on Pantex Plant, and no further analysis was conducted: (1) State or national parks, forests, or other conservation areas; (2) Wild and scenic rivers; (3) Natural resources, such as timber, range, soils, minerals; (4) Properties of historic, archeological, or architectural significance; (5) Native American concerns; (6) Minority and low-income populations; and (7) Prime or unique farmland. In this document, DOE describes the proposed action and a reasonable range of alternatives to the proposed action, including the ''No-Action'' alternative. The proposed action cited in the ''U.S. Department of Energy Application for a Texas Pollutant Discharge Elimination System Permit Modifying Permit to Dispose of Waste, No. 02296,'' December 1998, included the construction of a new wastewater treatment facility, a new irrigation storage pond, and the conversion of the current wastewater treatment facility into an irrigation storage pond. Although a permit modification application has been filed, if a decision on this EA necessitates it, an amendment to the permit application would be made. The permit application would be required for any of the alternatives and the filing does not preclude or predetermine selection of an alternative considered by this EA. This permit change would allow Pantex to land-dispose treated wastewater by irrigating agricultural land. This construction for the proposed action would include designing two new lagoons for wastewater treatment. One of the lagoons could function as a facultative lagoon for treatment of wastewater. The second lagoon would serve as an irrigation storage impoundment (storage pond), with the alternative use as a facultative lagoon if the first lagoon is out of service for any reason. The new facultative lagoon and irrigation water storage pond would be sited outside of the 100-year flood plain. The existing WWTF lagoon would be used as a storage pond for treated wastewater effluent for irrigation water, as needed. The two new lagoons would be li

N /A

1999-05-27T23:59:59.000Z

228

Energy and Air Emission Implications of a Decentralized Wastewater System  

E-Print Network [OSTI]

Opportunities for Combined Heat and Power at WastewaterProtection Agency Combined Heat and Power Partnership,

Shehabi, Arman

2013-01-01T23:59:59.000Z

229

DECENTRALIZED WASTEWATER MANAGEMENT  

E-Print Network [OSTI]

1 DECENTRALIZED WASTEWATER MANAGEMENT: A GUIDEBOOK FOR GEORGIA COMMUNITIES Katie Sheehan wastewater treatment technologies. www.njunsystems.com Version 1.0, April 2013 #12; 2 DECENTRALIZED WASTEWATER MANAGEMENT: A GUIDEBOOK FOR GEORGIA COMMUNITIES PART ONE: BACKGROUND, ISSUES, AND PROGRAM

Rosemond, Amy Daum

230

Impact of approach used to determine removal levels of drugs of abuse during wastewater treatment  

Science Journals Connector (OSTI)

Abstract In this study the levels of 19 drugs of abuse were estimated throughout a wastewater treatment plant using polar organic chemical integrative samplers (POCIS), 24h composite samples and grab samples. Overall removal efficiencies and removals in between each treatment unit were calculated using load data for each sampling technique as well as removals that take into account the hydraulic residence time distribution of the treatment plant (time-shifted mass balancing approach). Amphetamine-type stimulants, cocaine and its major metabolite, benzoylecgonine and opioid levels determined with 24h composite samples were generally comparable to those obtained with POCIS and grab samples. Negative mass balances resulting from the estimation of overall removal efficiencies by POCIS, day-to-day mass balancing of 24h composite and grab sample data did not occur when the hydraulic retention time (HRT) distributions of the plant were taken into account for calculation. Among the compounds investigated, cocaine exhibited the highest overall removal (90%) while codeine had the lowest with 13%, respectively. Sampling between the treatment units revealed that highest removal occurs during biological treatment as compared to primary or secondary clarification. Methylenedioxyamphetamine (MDA), fentanyl, dihydrocodeine and heroin were not detected in wastewater at any of the sampling locations at the treatment plant regardless of the sampling technique. The study demonstrates the benefits of applying the time-shifted mass balancing approach to the calculation of removals of drugs of abuse during wastewater treatment.

Angela Rodayan; Marius Majewsky; Viviane Yargeau

2014-01-01T23:59:59.000Z

231

Occurrence of pharmaceuticals in a municipal wastewater treatment plant: Mass balance and removal processes  

Science Journals Connector (OSTI)

Occurrence and removal efficiencies of fifteen pharmaceuticals were investigated in a conventional municipal wastewater treatment plant in Michigan. Concentrations of these pharmaceuticals were determined in both wastewater and sludge phases by a high-performance liquid chromatograph coupled to a tandem mass spectrometer. Detailed mass balance analysis was conducted during the whole treatment process to evaluate the contributing processes for pharmaceutical removal. Among the pharmaceuticals studied, demeclocycline, sulfamerazine, erythromycin and tylosin were not detected in the wastewater treatment plant influent. Other target pharmaceuticals detected in wastewater were also found in the corresponding sludge phase. The removal efficiencies of chlortetracycline, tetracycline, sulfamerazine, acetaminophen and caffeine were >99%, while doxycycline, oxytetracycline, sulfadiazine and lincomycin exhibited relatively lower removal efficiencies (e.g., mass, i.e. 41% more than the input from the influent. Based on the mass balance analysis, biotransformation is believed to be the predominant process responsible for the removal of pharmaceuticals (22% to 99%), whereas contribution of sorption to sludge was relatively insignificant (7%) for the investigated pharmaceuticals.

Pin Gao; Yunjie Ding; Hui Li; Irene Xagoraraki

2012-01-01T23:59:59.000Z

232

1.0 GAS TRANSFER An important process used in water and wastewater treatment. Also very important when  

E-Print Network [OSTI]

of H2S in septic sewers causing pipe corrosion. 2. CO2 Stripping of some ground waters, industrial1.0 GAS TRANSFER An important process used in water and wastewater treatment. Also very important wastewaters to the stream. Gas/Liquid Interface Gas Liquid Gas transfer to the liquid is absorption Gas

Stenstrom, Michael K.

233

Proceedings ASCE EWRI World Water and Environmental Resources Congress 2005 May 15-19, 2005 Modeling and evaluating temperature dynamics in wastewater treatment plants  

E-Print Network [OSTI]

Modeling and evaluating temperature dynamics in wastewater treatment plants Scott A. Wells1 , Dmitriy into receiving waters, there is much interest in providing a model of temperature dynamics in wastewater using detailed temperature data from a Washington County, Oregon, USA wastewater treatment facility

Wells, Scott A.

234

Feasibility of geothermal heat use in the San Bernardino Municipal Wastewater Treatment Plant. Final report, September 1980-June 1981  

SciTech Connect (OSTI)

A system was developed for utilizing nearby low temperature geothermal energy to heat two high-rate primary anaerobic digesters at the San Bernardino Wastewater Treatment Plant. The geothermal fluid would replace the methane currently burned to fuel the digesters. A summary of the work accomplished on the feasibility study is presented. The design and operation of the facility are examined and potentially viable applications selected for additional study. Results of these investigations and system descriptions and equipment specifications for utilizing geothermal energy in the selected processes are presented. The economic analyses conducted on the six engineering design cases are discussed. The environmental setting of the project and an analysis of the environmental impacts that will result from construction and operation of the geothermal heating system are discussed. A Resource Development Plan describes the steps that the San Bernardino Municipal Water Department could follow in order to utilize the resource. A preliminary well program and rough cost estimates for the production and injection wells also are included. The Water Department is provided with a program and schedule for implementing a geothermal system to serve the wastewater treatment plant. Regulatory, financial, and legal issues that will impact the project are presented in the Appendix. An outline of a Public Awareness Program is included.

Racine, W.C.; Larson, T.C.; Stewart, C.A.; Wessel, H.B.

1981-06-01T23:59:59.000Z

235

Estimation of nitrous oxide emissions (GHG) from wastewater treatment plants using closed-loop mass balance and data reconciliation  

Science Journals Connector (OSTI)

The amount of greenhouse gases (GHG), especially, nitrous oxide (N2O) emitted from wastewater treatment plants (WWTP) using data reconciliation and closed-loop mass balance was estimated. This study is based on a...

JungJin Lim; Boddupalli Sankarrao; TaeSeok Oh

2012-09-01T23:59:59.000Z

236

Polycyclic aromatic hydrocarbons in the centralized wastewater treatment plant of a chemical industry zone: Removal, mass balance and source analysis  

Science Journals Connector (OSTI)

Increased attention has been given to the fate of pollutants such as polycyclic aromatic hydrocarbons (PAHs) introduced to the wastewater treatment plants. Dissolved and adsorbed PAHs were detected in the central...

Min Yao; XingWang Zhang; LeCheng Lei

2012-03-01T23:59:59.000Z

237

Opportunities for Energy Efficiency and Open Automated Demand Response in Wastewater Treatment Facilities in California -- Phase I Report  

E-Print Network [OSTI]

best practices that could be applicable in improving the energy efficiencyEnergy efficiency measures that have been successfully implemented in municipal wastewater treatment facilities can serve as best practices

Lekov, Alex

2010-01-01T23:59:59.000Z

238

Analysis, anaerobic treatment and ozonation of wool scouring wastewater  

SciTech Connect (OSTI)

Wool scouring effluents (WSE) were analyzed by high-resolution gas chromatography-mass spectrometry (HRGC-MS), and then exposed to anaerobic biological treatment using laboratory scale fixed-bed filters. This resulted in a nearly 50% reduction in chemical oxygen demand (COD). Ozonation of the effluent from the biological step led to an even further decrease in total organic carbon (TOC). The fatty acid content of the WSE was affected by both biological treatment and ozonation. Finally, steroids in the WSE underwent reduction reactions when exposed to the anaerobic biological treatment.

Monteverdi, A.; Rindone, B.; Sorlini, C. (Univ. di Milano (Italy)); Andreoni, V. (Univ. di Torino (Italy)); Rozzi, A. (Inst. di Ingegneria Sanitaria del Politechnico di Milano (Italy))

1992-01-01T23:59:59.000Z

239

A key review of wastewater source heat pump (WWSHP) systems  

Science Journals Connector (OSTI)

Abstract Heat pumps (HPs) are part of the environmentally friendly technologies using renewable energy and have been utilized in the developed countries for years. Wastewater is seen as a renewable heat source for HPs. At the beginning of the 1980s, waste (sewage) water source heat pumps (WWSHPs) were widely applied in North European countries like Sweden and Norway and partially applied in China. In the past two decades, the WWSHP has become increasingly popular due to its advantages of relatively higher energy utilization efficiency and environmental protection. The present study comprehensively reviews WWSHP systems in terms of applications and performance assessments including energetic, exergetic, environmental and economic aspects for the first time to the best of the authors knowledge. In this context, a historical development of \\{WWSHPs\\} was briefly given first. Next, wastewater potential and its characteristics were presented while a WWSHP system was introduced. The previously conducted studies on \\{WWSHPs\\} were then reviewed and classified in a tabulated form. Finally, some concluding remarks were listed. The COP values of the reviewed studies ranged from 1.77 to 10.63 for heating and 2.23 to 5.35 for cooling based on the experimental and simulated values. The performance assessments are mostly made using energy analysis methods while the number of exergetic evaluations is very low and has not been comprehensively performed. It is expected that the comprehensive review here will be very beneficial to those dealing with the design, analysis, simulation and performance assessment of WWSHP systems.

Arif Hepbasli; Emrah Biyik; Orhan Ekren; Huseyin Gunerhan; Mustafa Araz

2014-01-01T23:59:59.000Z

240

Wastewater treatment using flocculation, coagulation, and flotation. (Latest citations from the NTIS bibliographic database). Published Search  

SciTech Connect (OSTI)

The bibliography contains citations concerning the design, development, and evaluation of flocculation coagulation and flotation processes for the treatment of sewage and industrial wastes. Citations examine technology requirements and limitations, activated sludge and anaerobic processes, chlorination, runoff pollution control, wastewater recycling and reuse, and materials recovery.(Contains 50-250 citations and includes a subject term index and title list.) (Copyright NERAC, Inc. 1995)

NONE

1995-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Wastewater treatment using flocculation, coagulation, and flotation. (Latest citations from the NTIS bibliographic database). Published Search  

SciTech Connect (OSTI)

The bibliography contains citations concerning the design, development, and evaluation of flocculation coagulation and flotation processes for the treatment of sewage and industrial wastes. Citations examine technology requirements and limitations, activated sludge and anaerobic processes, chlorination, runoff pollution control, wastewater recycling and reuse, and materials recovery.(Contains 50-250 citations and includes a subject term index and title list.) (Copyright NERAC, Inc. 1995)

NONE

1996-11-01T23:59:59.000Z

242

Feasibility study for alternate fuels production: unconventional natural gas from wastewater treatment plants. Volume II, Appendix D. Final report  

SciTech Connect (OSTI)

Data are presented from a study performed to determined the feasibility of recovering methane from sewage at a typical biological secondary wastewater treatment plant. Three tasks are involved: optimization of digester gas; digester gas scrubbing; and application to the East Bay Municipal Utility District water pollution control plant. Results indicate that excess digester gas can be used economically at the wastewater treatment plant and that distribution and scrubbing can be complex and costly. (DMC) 193 references, 93 figures, 26 tables.

Overly, P.; Tawiah, K.

1981-12-01T23:59:59.000Z

243

LCA as a Decision Support Tool for the Environmental Improvement of the Operation of a Municipal Wastewater Treatment Plant  

Science Journals Connector (OSTI)

LCA as a Decision Support Tool for the Environmental Improvement of the Operation of a Municipal Wastewater Treatment Plant ... Environmental diagnosis and improvement assessment (based on LCA) of sludge final disposal and biogas use alternatives for a municipal wastewater treatment plant. ... Life cycle assessment (LCA) methodology is used to evaluate the environmental profile of a product or process from its origin to its final destination. ...

Jorgelina C. Pasqualino; Montse Meneses; Montserrat Abella; Francesc Castells

2009-04-06T23:59:59.000Z

244

03/0924 1 st INTERNATIONAL SEMINAR ON THE USE OF AQUATIC MACROPKYTES FOR WASTEWATER  

E-Print Network [OSTI]

Filters (RBF). "Rustic" and rather simple wastewater treatment systems for such small communities in rural03/0924 1 st INTERNATIONAL SEMINAR ON THE USE OF AQUATIC MACROPKYTES FOR WASTEWATER TREATMENT IN CONSTRUCTED WETLANDS £-10 CONSTRUCTED WETLANDS FOR WASTEWATER TREATMENT : THE FRENCH EXPERIENCE Catherine

Paris-Sud XI, Université de

245

Secondary Sewage Treatment Versus Ocean Outfalls: An Assessment  

Science Journals Connector (OSTI)

...the energy balance, the system...Secondary Sewage Treatment Versus Ocean...treatment of wastewater is unneeded...secondary sewage treatment plants are estimated...secondary sewage treatment biologically...organic matter in wastewater. This action...

Charles B. Officer; John H. Ryther

1977-09-09T23:59:59.000Z

246

Environmental Assessment for the High Explosives Wastewater Treatment Facility, Los Alamos National Laboratory, Los Alamos, New Mexico  

SciTech Connect (OSTI)

The Department of Energy (DOE) has identified a need to improve the management of wastewater resulting from high explosives (HE) research and development work at Los Alamos National Laboratory (LANL). LANL`s current methods off managing HE-contaminated wastewater cannot ensure that discharged HE wastewater would consistently meet the Environmental Protection Agency`s (EPA`s) standards for wastewater discharge. The DOE needs to enhance He wastewater management to e able to meet both present and future regulatory standards for wastewater discharge. The DOE also proposes to incorporate major pollution prevention and waste reduction features into LANL`s existing HE production facilities. Currently, wastewater from HE processing buildings at four Technical Areas (TAs) accumulates in sumps where particulate HE settles out and barium is precipitated. Wastewater is then released from the sumps to the environment at 15 permitted outfalls without treatment. The released water may contain suspended and dissolved contaminants, such as HE and solvents. This Environmental Assessment (EA) analyzes two alternatives, the Proposed Action and the Alternative Action, that would meet the purpose and need for agency action. Both alternatives would treat all HE process wastewater using sand filters to remove HE particulates and activated carbon to adsorb organic solvents and dissolved HE. Under either alternative, LANL would burn solvents and flash dried HE particulates and spent carbon following well-established procedures. Burning would produce secondary waste that would be stored, treated, and disposed of at TA-54, Area J. This report contains the Environmental Assessment, as well as the Finding of No Significant Impact and Floodplain Statement of Findings for the High Explosives Wastewater Treatment Facility.

NONE

1995-08-03T23:59:59.000Z

247

Life Cycle Assessment of Wastewater Systems:? Influence of System Boundaries and Scale on Calculated Environmental Loads  

Science Journals Connector (OSTI)

Life cycle assessment (LCA) methodology was used to compare the environmental loads from wastewater systems with different technical solutions. ... The separation systems outperformed the conventional systems by showing lower emissions to water and more efficient recycling of nutrients to agriculture, especially of nitrogen but also of phosphorus. ...

Margareta Lundin; Magnus Bengtsson; Sverker Molander

1999-12-02T23:59:59.000Z

248

Development of a Fatty Acid and RNA Stable Isotope Probing-Based Method for Tracking Protist Grazing on Bacteria in Wastewater  

Science Journals Connector (OSTI)

...which enables mass balances of the carbon...Treated wastewater will be of...wastewater treatment in such systems...municipal sewage plant (for details...bacteria in wastewater. | Removal...during wastewater treatment, is effected...which enables mass balances of the carbon...

Steffen Kuppardt; Antonis Chatzinotas; Matthias Kstner

2010-10-29T23:59:59.000Z

249

Tritiated wastewater treatment and disposal evaluation for 1995  

SciTech Connect (OSTI)

A second annual summary and analysis of potential processes for the mitigation of tritium contained in process effluent, ground water and stored waste is presented. It was prepared to satisfy the Hanford Federal Facility and Consent Order (Tri-Party Agreement) Milestone M-26-05B. Technologies with directed potential for separation of tritium at present environmental levels are organized into two groups. The first group consists of four processes that have or are undergoing significant development. Of these four, the only active project is the development of membrane separation technology at the Pacific Northwest Laboratory (PNL). Although research is progressing, membrane separation does not present a near term option for the mitigation of tritium. A second grouping of five early stage projects gives an indication of the breadth of interest in low level tritium separation. If further developed, two of these technologies might prove to be candidates for a separation process. At the present, there continues to be no known commercially available process for the practical reduction of the tritium burden in process effluent. Material from last year`s report regarding the occurrence, regulation and management of tritium is updated and included in the appendices of this report. The use of the State Approved Land Disposal Site (SALDS) for disposal of tritiated effluent from the 200 Area Effluent Treatment Facility (ETF) begins in the fall of 1995. This is the most significant event impacting tritium in the environment at the Hanford Site this coming year.

Allen, W.L. [Westinghouse Hanford Co., Richland, WA (United States)

1995-08-01T23:59:59.000Z

250

The behaviors and fate of polycyclic aromatic hydrocarbons (PAHs) in a coking wastewater treatment plant  

Science Journals Connector (OSTI)

The occurrence, behaviors and fate of 18 \\{PAHs\\} were investigated in a coking wastewater treatment plant in Songshan coking plant, located in Shaoguan, Guangdong Province of China. It was found that the target compounds occurred widely in raw coking wastewater, treated effluent, sludge and gas samples. In raw coking wastewater, high molecular weight (MW) \\{PAHs\\} were the dominant compounds, while 36 ring \\{PAHs\\} predominated in the final effluent. The dominant compounds in gas samples were phenathrene, fluoranthene and pyrene, while they were fluoranthene, pyrene, chrysene and benzo[k]fluoranthene for sludge. The process achieved over 97% removal for all the PAHs, 4792% of eliminations of these target compounds in liquid phase were achieved in biological stage. Different behaviors of \\{PAHs\\} were observed in the primary tank, anaerobic tank, aerobic tank, hydrolytic tank and coagulation tank units, while heavier and lower ones were mainly removed in anaerobic tank and aerobic tanks, respectively. Regarding the fate of PAHs, calculated fractions of mass losses for low MW \\{PAHs\\} due to transformation and adsorption to sludge accounted for 1550% and 2449%, respectively, while the rest was less than 1%. For high MW PAHs, the mass losses were mainly due to adsorption to sludge and separation with tar (contributing 5676% and 2239%, respectively), and the removal through transformation was less.

Wanhui Zhang; Chaohai Wei; Xinsheng Chai; Jingying He; Ying Cai; Man Ren; Bo Yan; Pingan Peng; Jiamo Fu

2012-01-01T23:59:59.000Z

251

Using Membrane Sets Incorporated into a Crossflow Electrofiltration/Electrodialysis Treatment Module to Treat CMP Wastewater and Simultaneously Generate Electrolytic Ionized Water.  

E-Print Network [OSTI]

??In this work, membrane set(s) had been incorporated into different crossflow electrofiltration (CEF) /electrodialysis (ED) treatment modules for treating various CMP wastewaters and simultaneously generating (more)

Yang, Tsung-Yin

2003-01-01T23:59:59.000Z

252

Effects of Ionic Strength on Bacterial Adhesion and Stability of Flocs in a Wastewater Activated Sludge System  

Science Journals Connector (OSTI)

...interpreted as a balance of attrac...Flocs from a wastewater treatment plant (WWTP...during the treatments to be able...Sweden. The plant receives wastewater from approximately...at a large treatment plant. Water Sci...Cambridge, Mass. 23. Marshall...

Anna Zita; Malte Hermansson

1994-09-01T23:59:59.000Z

253

Environmental impact of recycling nutrients in human excreta to agriculture compared with enhanced wastewater treatment  

Science Journals Connector (OSTI)

Abstract Human excreta are potential sources of plant nutrients, but are today usually considered a waste to be disposed of. The requirements on wastewater treatment plants (WWTPs) to remove nitrogen and phosphorus are increasing and to meet these requirements, more energy and chemicals are needed by WWTPs. Separating the nutrient-rich wastewater fractions at source and recycling them to agriculture as fertiliser is an alternative to removing them at the WWTP. This study used life cycle assessment methodology to compare the environmental impact of different scenarios for recycling the nutrients in the human excreta as fertiliser to arable land or removing them in an advanced WWTP. Three scenarios were assessed. In blackwater scenario, blackwater was source-separated and used as fertiliser. In urine scenario, the urine fraction was source-separated and used as fertiliser and the faecal water treated in an advanced WWTP. In NP scenario, chemical fertiliser was used as fertiliser and the toilet water treated in an advanced WWTP. The emissions from the WWTP were the same for all scenarios. This was fulfilled by the enhanced reduction in the WWTP fully removing the nutrients from the excreta that were not source-separated in the NP and urine scenarios. Recycling source-separated wastewater fractions as fertilisers in agriculture proved efficient for conserving energy and decreasing global warming potential (GWP). However, the blackwater and urine scenarios had a higher impact on potential eutrophication and potential acidification than the WWTP-chemical fertiliser scenario, due to large impacts by the ammonia emitted from storage and after spreading of the fertilisers. The cadmium input to the arable soil was very small with urine fertiliser. Source separation and recycling of excreta fractions as fertiliser thus has potential for saving energy and decreasing GWP emissions associated with wastewater management. However, for improved sustainability, the emissions from storage and after spreading of these fertilisers must decrease.

J. Spngberg; P. Tidker; H. Jnsson

2014-01-01T23:59:59.000Z

254

Data evaluation of full-scale wastewater treatment plants by mass balance  

Science Journals Connector (OSTI)

Measured data of wastewater treatment plants (WWTPs) often contains errors. These errors can prohibit the use of WWTP data for process evaluation, process design, benchmarking or modelling purposes. In this paper a practical stepwise methodology is presented to check WWTP data using mass balances. The presented results show that poor WWTP data quality leads to large errors when calculating key operational conditions such as the solids retention time (SRT), oxygen consumption (OC) and the different internal conversions rates. By improving WWTP data quality using mass balance calculations useful new information becomes available for process evaluation, \\{WWTPs\\} design and benchmarking.

S. Puig; M.C.M. van Loosdrecht; J. Colprim; S.C.F. Meijer

2008-01-01T23:59:59.000Z

255

Cost?Based Optimization of a Papermaking Wastewater Regeneration Recycling System  

Science Journals Connector (OSTI)

Wastewater can be regenerated for recycling in an industrial process to reduce freshwater consumption and wastewater discharge. Such an environment friendly approach will also lead to cost savings that accrue due to reduced freshwater usage and wastewater discharge. However the resulting cost savings are offset to varying degrees by the costs incurred for the regeneration of wastewater for recycling. Therefore systematic procedures should be used to determine the true economic benefits for any water?using system involving wastewater regeneration recycling. In this paper a total cost accounting procedure is employed to construct a comprehensive cost model for a paper mill. The resulting cost model is optimized by means of mathematical programming to determine the optimal regeneration flowrate and regeneration efficiency that will yield the minimum total cost.

Long Huang; Xiao Feng; Khim H. Chu

2010-01-01T23:59:59.000Z

256

Designing Sustainable Wastewater Systems: Visual, Interactive Preference Elicitation Chamberlain, B., Taheri, H., Carenini, G., Poole, D., and berg, G.  

E-Print Network [OSTI]

Designing Sustainable Wastewater Systems: Visual, Interactive Preference Elicitation Chamberlain, B., Taheri, H., Carenini, G., Poole, D., and ?berg, G. Introduction The majority of water and wastewater and trade-offs made [4-7]. Our work aims to create computational tools for wastewater infrastructure design

Carenini, Giuseppe

257

On-Site Wastewater Treatment Systems: Aerobic Treatment Unit (Spanish)  

E-Print Network [OSTI]

. Las personas que hagan la instalaci?n deben excavar un s?lo pozo con fondo nivelado, lo que reduce el tiempo de preparaci?n para la instalaci?n. El tanque de fibra de vidrio es lo suficientemente liviano como para que lo cargue una excavadora al lugar...

Lesikar, Bruce J.; Enciso, Juan

2000-08-29T23:59:59.000Z

258

Occurrence and fate of polycyclic musks in wastewater treatment plants in Kentucky and Georgia, USA  

Science Journals Connector (OSTI)

Wastewater treatment plants (WWTPs) are a potential of source of polycyclic musks in the aquatic environment. In this study, contamination profiles and mass flow of polycyclic musks, 1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[?]-2-benzopyran (HHCB), 7-acetyl-1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphthalene (AHTN), and HHCB-lactone (oxidation product of HHCB), in two WWTPs, one located in Kentucky (Plant A, rural area) and the other in Georgia (Plant B, urban), USA, were determined. HHCB, AHTN and HHCB-lactone were detected in the influent, effluent, and sludge samples analyzed. The concentrations in wastewater samples varied widely, from 10 to 7030ng/l, 13 to 5400ng/l, and 66 to 790ng/l, for HHCB, AHTN, and HHCB-lactone, respectively. Sludge samples contained HHCB at Plant A and 31g/day from Plant B. Mass balance analysis suggested that only 30% of HHCB and AHTN entering the plants was accounted for in the effluent and the sludge. Removal efficiencies of HHCB and AHTN in the two \\{WWTPs\\} ranged from 72% to 98%. In contrast, HHCB-lactone concentrations increased following the treatment. Concentrations of polycyclic musks in sludge were on the order of several parts per million. Incineration of sludge at one plant reduced the concentration of polycyclic musks.

Yuichi Horii; Jessica L. Reiner; Bommanna G. Loganathan; Kurunthachalam Senthil Kumar; Kenneth Sajwan; Kurunthachalam Kannan

2007-01-01T23:59:59.000Z

259

Treatment of concentrated industrial wastewaters originating from oil shale and the like by electrolysis polyurethane foam interaction  

DOE Patents [OSTI]

Highly concentrated and toxic petroleum-based and synthetic fuels wastewaters such as oil shale retort water are treated in a unit treatment process by electrolysis in a reactor containing oleophilic, ionized, open-celled polyurethane foams and subjected to mixing and laminar flow conditions at an average detention time of six hours. Both the polyurethane foams and the foam regenerate solution are re-used. The treatment is a cost-effective process for waste-waters which are not treatable, or are not cost-effectively treatable, by conventional process series.

Tiernan, Joan E. (Novato, CA)

1990-01-01T23:59:59.000Z

260

Treatment of an agrochemical wastewater by integration of heterogeneous catalytic wet hydrogen peroxide oxidation and rotating biological contactors  

Science Journals Connector (OSTI)

Abstract The treatment of a non-biodegradable agrochemical wastewater has been studied by coupling of heterogeneous catalytic wet hydrogen peroxide oxidation (CWHPO) and rotating biological contactors (RBCs). The influence of the hydrogen peroxide dosage and the organic content of the wastewater (dilution degree) were studied. The CWHPO of the raw wastewater at 80C and using a moderate amount of oxidant (0.23gH2O2/gTOC) reduced significantly its total organic carbon content and increased its biodegradability. Likewise, the iron leaching of the heterogeneous catalyst (Fe2O3/SBA-15) was less than 2mg/L in the treated effluent. Under the best operating conditions, the resultant CWHPO effluent was successfully co-treated by rotating biological contactors (RBCs) using a simulated municipal wastewater with different percentages of the CWHPO effluent (2.5, 5 and 10%v/v). The \\{RBCs\\} showed high stability for the treatment of the highest percentage of the CWHPO effluent, achieving total organic carbon (TOC) and total nitrogen (TN) reductions of ca. 78% and 50%, respectively. The integration of both processes on a continuous mode has been successfully accomplished for the treatment of the as-received agrochemical wastewater.

M.I. Pariente; J.A. Siles; R. Molina; J.A. Botas; J.A. Melero; F. Martinez

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Combustion testing and heat recovery study: Frank E. Van Lare Wastewater Treatment Plant, Monroe County. Final report  

SciTech Connect (OSTI)

The objectives of the study were to record and analyze sludge management operations data and sludge incinerator combustion data; ascertain instrumentation and control needs; calculate heat balances for the incineration system; and determine the feasibility of different waste-heat recovery technologies for the Frank E. Van Lare (FEV) Wastewater Treatment Plant. As an integral part of this study, current and pending federal and state regulations were evaluated to establish their impact on furnace operation and subsequent heat recovery. Of significance is the effect of the recently promulgated Federal 40 CFR Part 503 regulations on the FEV facility. Part 503 regulations were signed into law in November 1992, and, with some exceptions, affected facilities must be in compliance by February 19, 1994. Those facilities requiring modifications or upgrades to their incineration or air pollution control equipment to meet Part 503 regulations must be in compliance by February 19, 1995.

NONE

1995-01-01T23:59:59.000Z

262

Obtaining process mass balances of pharmaceuticals and triclosan to determine their fate during wastewater treatment  

Science Journals Connector (OSTI)

Abstract To better understand pharmaceutical fate during wastewater treatment, analysis in both aqueous and particulate phases is needed. Reported herein is a multi-residue method for the determination of ten pharmaceutical drugs and the personal care product triclosan in wastewater matrices. Method quantitation limits ranged from 7.6 to 76.6ngl?1 for aqueous phases and from 7.0 to 96.7ngg?1 for particulate phases. The analytical method was applied to attain a complete process mass balance of a pilot-scale activated sludge plant (ASP) operated under controlled conditions. The mass balance (inclusive of aqueous and particulate concentrations at all sample points) was used to diagnose removal, revealing pharmaceuticals to be separable into three fate pathways: (a) biological degradation, (b) sorption onto activated sludge and (c) resistant to removal from the aqueous phase. These differences in fate behaviour explained a broad range of secondary removal observed (?8 to 99%). The ASP was also simultaneously compared to a full-scale trickling filter (TF) works whilst receiving the same influent wastewater. Performance of the ASP and TF was similar, achieving total pharmaceutical removals of 253 and 249?gg?1 biochemical oxygen demand (BOD) removed, respectively. This corresponded with reductions in total pharmaceutical load of 91 and 90% (ANOVA, p-value>0.05). Interestingly, despite low suspended solid concentrations final effluents of both the ASP and TF contained significant concentrations of some chemicals in the particulate phase. Individually, triclosan and the antibiotics ofloxacin and ciprofloxacin were within the particulate phase of effluents at concentrations ranging from 26 to 296ngl?1.

Bruce Petrie; Ewan J. McAdam; John N. Lester; Elise Cartmell

2014-01-01T23:59:59.000Z

263

Introduction to Wastewater Bruce J. Lesikar  

E-Print Network [OSTI]

Introduction to Wastewater Treatment Bruce J. Lesikar Professor Texas AgriLife Extension Service Overview What is wastewater? Why are we concerned about wastewater? The big picture. Goals for wastewater treatment are evolving How do we implement our infrastructure? Wastewater Treatment Processes ­ The end

264

Wastewater sludge management options for Honduras  

E-Print Network [OSTI]

Sludge management is a fundamental area of concern across wastewater treatment systems in Honduras. The lack of timely sludge removal has led to declining plant performance in many facilities throughout the country. In ...

Bhattacharya, Mahua, M. Eng. Massachusetts Institute of Technology.

2009-01-01T23:59:59.000Z

265

Application of a moving bed biofilm reactor for tertiary ammonia treatment in high temperature industrial wastewater  

E-Print Network [OSTI]

industrial wastewater Jennifer L. Shore a,b , William S. M'Coy b , Claudia K. Gunsch a , Marc A. Deshusses a 2012 Available online 17 February 2012 Keywords: Moving bed biofilm reactor Industrial wastewater and industrial wastewater. No biotreatment was observed at 45 °C, although effective nitrification was rapidly

266

Effects of sludge pretreatment on sludge reduction in a lab-scale anaerobic/anoxic/oxic system treating domestic wastewater  

Science Journals Connector (OSTI)

Excess sludge disposal is one of the serious challenges in biological wastewater treatment. Reduction of sludge production would be an ideal way to solve sludge-associated problems rather than the post-treatment ...

D. K. Uan; I. T. Yeom; P. Arulazhagan

2013-05-01T23:59:59.000Z

267

Reuse of Treated Internal or External Wastewaters in the Cooling Systems of Coal-Based Thermoelectric Power Plants  

SciTech Connect (OSTI)

This study evaluated the feasibility of using three impaired waters - secondary treated municipal wastewater, passively treated abandoned mine drainage (AMD), and effluent from ash sedimentation ponds at power plants - for use as makeup water in recirculating cooling water systems at thermoelectric power plants. The evaluation included assessment of water availability based on proximity and relevant regulations as well as feasibility of managing cooling water quality with traditional chemical management schemes. Options for chemical treatment to prevent corrosion, scaling, and biofouling were identified through review of current practices, and were tested at bench and pilot-scale. Secondary treated wastewater is the most widely available impaired water that can serve as a reliable source of cooling water makeup. There are no federal regulations specifically related to impaired water reuse but a number of states have introduced regulations with primary focus on water aerosol 'drift' emitted from cooling towers, which has the potential to contain elevated concentrations of chemicals and microorganisms and may pose health risk to the public. It was determined that corrosion, scaling, and biofouling can be controlled adequately in cooling systems using secondary treated municipal wastewater at 4-6 cycles of concentration. The high concentration of dissolved solids in treated AMD rendered difficulties in scaling inhibition and requires more comprehensive pretreatment and scaling controls. Addition of appropriate chemicals can adequately control corrosion, scaling and biological growth in ash transport water, which typically has the best water quality among the three waters evaluated in this study. The high TDS in the blowdown from pilot-scale testing units with both passively treated mine drainage and secondary treated municipal wastewater and the high sulfate concentration in the mine drainage blowdown water were identified as the main challenges for blowdown disposal. Membrane treatment (nanofiltration or reverse osmosis) can be employed to reduce TDS and sulfate concentrations to acceptable levels for reuse of the blowdown in the cooling systems as makeup water.

Radisav Vidic; David Dzombak; Ming-Kai Hsieh; Heng Li; Shih-Hsiang Chien; Yinghua Feng; Indranil Chowdhury; Jason Monnell

2009-06-30T23:59:59.000Z

268

Wastewater treatment using flocculation, coagulation, and flotation. (Latest citations from the NTIS bibliographic database). NewSearch  

SciTech Connect (OSTI)

The bibliography contains citations concerning the design, development, and evaluation of flocculation coagulation and flotation processes for the treatment of sewage and industrial wastes. Citations examine technology requirements and limitations, activated sludge and anaerobic processes, chlorination, runoff pollution control, wastewater recycling and reuse, and materials recovery. (Contains 250 citations and includes a subject term index and title list.)

Not Available

1994-10-01T23:59:59.000Z

269

Wastewater and water treatment: Anion exchange. (Latest citations from the Selected Water Resources Abstracts database). Published Search  

SciTech Connect (OSTI)

The bibliography contains citations concerning the theory and methods of anion exchange in the treatment of potable water and wastewaters. Citations discuss anion exchange resins and membranes, desalination techniques, and process evaluations. Methods for anion analysis using chromatographic techniques are also considered. (Contains a minimum of 74 citations and includes a subject term index and title list.)

Not Available

1993-09-01T23:59:59.000Z

270

Wastewater and water treatment: Anion exchange. (Latest citations from the Selected Water Resources Abstracts database). Published Search  

SciTech Connect (OSTI)

The bibliography contains citations concerning the theory and methods of anion exchange in the treatment of potable water and wastewaters. Citations discuss anion exchange resins and membranes, desalination techniques, and process evaluations. Methods for anion analysis using chromatographic techniques are also considered. (Contains a minimum of 74 citations and includes a subject term index and title list.)

Not Available

1994-01-01T23:59:59.000Z

271

Ph.D. viva voce examination of Mr. Vikrant Sarin ( 2005CHZ8243) Title : Wastewater treatment using membrane bioreactor  

E-Print Network [OSTI]

Ph.D. viva voce examination of Mr. Vikrant Sarin ( 2005CHZ8243) Title : Wastewater treatment using low/zero sludge production, high loading rate capability, rapid start up, modular and retrofit, sludge of membranes which is one of the major factors affecting the performance of MBR, thus, limiting the use

Kumar, M. Jagadesh

272

Opportunities for Energy Efficiency and Open Automated Demand Response in Wastewater Treatment Facilities in California -- Phase I Report  

E-Print Network [OSTI]

R. J. (1997). Wastewater Reduction and Recycling in Foodreclaiming and recycling wastewater, or subsidizing theis done through recycling the wastewater to reduce energy

Lekov, Alex

2010-01-01T23:59:59.000Z

273

Abatement efficiency of municipal wastewater treatment plants using different technologies (Orbetello Lagoon, Italy)  

Science Journals Connector (OSTI)

Two small-scale municipal wastewater treatment plants (Neghelli and Terrarossa) discharging effluents into a lagoon of great environmental interest and highly stressed by tourism (Orbetello, Italy) were monitored over the year 2001. We evaluated plants' performances developing a general efficiency indicator of removal to select the suitable purification technology (activated sludge, Neghelli vs. rotating biodisc reactor, Terrarossa). Unexpected, conventional technologies (activated sludge) had best performances (84% vs. 62%) with higher removal efficiencies for dissolved nutrients producing, on average, better final effluents. Even if Terrarossa showed a great improvement in summertime, during winter it seemed to be considerably affected by sea aerosol. Before the final discharge in lagoon, effluents were phytodepurated in a pond to reduce their nutrient load. Although data showed that the pond had further abatement efficiency over 80%, final outlet water represented a dangerous input for the lagoon ecosystem.

Monia Renzi; Guido Perra; Cristiana Guerranti; Enrica Franchi; Silvia Focardi

2009-01-01T23:59:59.000Z

274

An evaluation of tannery industry wastewater treatment sludge gasification by artificial neural network modeling  

Science Journals Connector (OSTI)

Abstract This paper reports on the calorific value of synthetic gas (syngas) produced by gasification of dewatered sludge derived from treatment of tannery wastewater. Proximate and ultimate analyses of samples were performed. Thermochemical conversion alters the chemical structure of the waste. Dried air was used as a gasification agent at varying flow rates, which allowed the feedstock to be quickly converted into gas by means of different heterogeneous reactions. A lab-scale updraft fixed-bed steel reactor was used for thermochemical conversion of sludge samples. Artificial neural network (ANN) modeling techniques were used to observe variations in the syngas related to operational conditions. Modeled outputs showed that temporal changes of model predictions were in close accordance with real values. Correlation coefficients (r) showed that the ANN used in this study gave results with high sensitivity.

Atakan Ongen; H. Kurtulus Ozcan; Semiha Aray?c?

2013-01-01T23:59:59.000Z

275

Multimedia sampling for dioxin at a strip mine reclaimed with sludge from bleached kraft wastewater treatment  

SciTech Connect (OSTI)

This paper reports that mead conducted a two-year dioxin testing program on strip-mined land being reclaimed with sludge from the wastewater treatment plant of its bleached kraft mill. Many different samples were analyzed for both 2,3,7,8-TCDD (or dioxin) and 2,3,7,8-TCDF (or furan). The study included biodiversity studies to determine the total environmental impact. The results indicate that the sludge is an excellent reclamation material that improves the biodiversity at the site. The tracer dioxin in the sludge does not exhibit any significant migration or bioavailability when used for reclaiming strip mines. These findings differ from assumptions sometimes used in assessing the environmental risks of dioxin.

Krouskop, D.J.; Ayers, K.C. (Metal Corp. (US)); Proctor, J.L. (Ohio Univ., Chillicothe, OH (US))

1991-04-01T23:59:59.000Z

276

The production of biofuel and bioelectricity associated with wastewater treatment by green algae  

Science Journals Connector (OSTI)

Abstract This study describes algal biofuel production, bioelectricity generation and wastewater treatment using Leptolyngbya sp. JPMTW1 (KF977831). The experiments were conducted in an AMFC (Algal Microbial Fuel Cell) photobioreactor (single-chamber). The pH, EC (electrical conductivity), COD (chemical oxygen demand) and TDS (total dissolved solids) decreased from 8.01 to 7.0, 982 to 854 (mS/cm), 255 to 112 (mg/L) and 490427 (mg/L), respectively, over course of 7 days. Biomass production, rate of biomass production, chlorophyll a, b and total chlorophyll content increased with increasing time and were observed to be 3300mg/L, 471.42mg/L/day, 0.981mg/L, 0.173mg/L and 1.156mg/L after 7 days. Lipid production and rate of lipid production were 1068.383mg/g dry wt. biomass and 152.62mg/g dry biomass/day. FTIR (Fourier transform infrared) spectra revealed the presence of protein, lipid, \\{FAs\\} (fatty acids), triglycerides and ester functional groups. FAME (fatty acid methyl esters) profile revealed the presence of C16:0, C18:2n-6, C18:1 and C16:1. The generation of electric potential by Leptolyngbya sp. JPMTW1 increased significantly (p?0.05) from 0.0211 to 0.264mV within 7 days. The maximum power density (0.008mW/cm2) was obtained at cell potential at 12mV. This study shows that simultaneous production of biofuel, bioelectricity and wastewater treatment is possible by Leptolyngbya sp. JPMTW1.

Jyoti Prakash Maity; Chia-Peng Hou; Dip Majumder; Jochen Bundschuh; Thomas R. Kulp; Chien-Yen Chen; Lu-Te Chuang; Ching-Nen Nathan Chen; Jiin-Shuh Jean; Tsui-Chu Yang; Chien-Cheng Chen

2014-01-01T23:59:59.000Z

277

Detection of Wastewater Plumes from the 15 N Isotopic Composition of  

E-Print Network [OSTI]

Detection of Wastewater Plumes from the 15 N Isotopic Composition of Groundwater, Algae that a main source of nutrient loading is due to wastewater contamination of groundwater within the watershed via septic systems and wastewater treatment facilities. 5 Mya arenaria were collected at each

Vallino, Joseph J.

278

Energy-efficient evaporators can cut operating costs for wastewater treatment, reuse  

SciTech Connect (OSTI)

High-efficiency evaporators can substantially lower the costs of recycling water, separating and reducing waste, and reclaiming industrial byproducts. Although capital costs run higher than conventional, stream-driven systems, energy efficient designs can allow users to recoup those costs over time and provide significant, ongoing utility savings. This is especially true in applications in which evaporation requirements are more than 75,000 pounds per hour, and steam costs exceed $3 per 1,000 pounds. In conventional, multistage evaporators, vapor resulting from wastewater evaporation is reused as a heating agent to effect further evaporation, but fresh steam must be added continuously to the system to maintain adequate temperature and pressure--two factors critical to evaporation. In contrast, three energy-efficient designs maintain temperature and pressure by recycling otherwise wasted resources, thereby greatly reducing or eliminating steam costs and other utility expenses.

Kersey, D. [Dedert Corp., Olympia Fields, IL (United States)

1996-05-01T23:59:59.000Z

279

Assessing nutrient and pharmaceutical removal efficiency from wastewater using shallow wetland treatment mesocosms.  

E-Print Network [OSTI]

??Wastewaters from rural sewage lagoons in Manitoba contain pharmaceuticals that are potentially harmful to non-target organisms and reduce overall water quality when released. An option (more)

Cardinal, Pascal

2013-01-01T23:59:59.000Z

280

On-Site Wastewater Treatment Systems: Mound Systems (Spanish)  

E-Print Network [OSTI]

Tanque s?ptico Tanque bomba Tela geotextil Tubo de distribuci?n Arena Grava L-5414S 4-02 Figure 1: Un sistema de mont?culo para distribuir aguas negras tratadas al suelo. U n sistema de mont?culo para el tratamiento de aguas negras es un sistema de... campo de absorci?n colocado encima de la superficie natural del suelo. Los sistemas de mont?culo se utilizan para distribuir las aguas negras en lugares donde hay muy poca tierra antes de llegar a las aguas subterr?neas, suelos impermeables o lechos de...

Lesikar, Bruce J.

2002-04-18T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

On-Site Wastewater Treatment Systems: Spray Distribution System (Spanish)  

E-Print Network [OSTI]

Dispositivo de desinfecci?n Tanque bomba Rociadores Dispositivo para tratamiento de aguas negras Sistemas individuales para el tratamiento de aguas negras Sistema de distribuci?n por aspersi?n con rociadores Bruce Lesikar y Juan Enciso Promotores... Especialistas en Ingenier?a Agr?cola El Sistema Universitario Texas A&M L-5303S 4-02 Figura 1: Un sistema de distribuci?n por aspersi?n con rociadores y con dispositivos para tratamiento y desinfecci?n. L os sistemas de distribuci?n por aspersi?n con rociadores...

Lesikar, Bruce J.; Enciso, Juan

2002-04-18T23:59:59.000Z

282

On-Site Wastewater Treatment Systems: Alternative Collection Systems (Spanish)  

E-Print Network [OSTI]

: Mapa base de la comunidad rural hipot?tica de la EPA (adaptado de la EPA, 1997). Representa 10 casas rurales con sistemas individuales que funcionans debidamente Rio Direcci?n del flujo del agua subterr?nea (Todas las casas tienen un terreno de un...

Lesikar, Bruce J.; Enciso, Juan

2002-04-22T23:59:59.000Z

283

Bingen wastewater treatment facility energy evaluation. A reconnaissance level technical assistance study for the city of Bingen  

SciTech Connect (OSTI)

In the fall of 1983, the city of Bingen was selected as a target community for the Local Government Technical Assistance (LGTA) Program. They requested the LGTA team to assist them in identifying cost-effective energy conservation opportunities at their wastewater treatment facility. A description of the wastewater treatment process, monthly energy cost and consumption data, and process in-flow data were collected and analyzed by the LGTA team. An onsite treatment facility evaluation was performed in March of 1984. The purpose of this report is to present the results of the LGTA energy inventory and to recommend directions for further study. The city of Bingen operates a small treatment plant which averages 9.6 million gallons per month (an average of 0.31 million gallons per day). The treatment process consists of passing wastewater through a comminutor, grit chamber, aeration basin, clarifier, and a chlorination contact chamber prior to releasing the treated water into the Columbia River. The solids portion of the waste stream is biologically treated by aerobic digesters before the sludge is trucked to a land disposal site. Annual electrical consumption at the facility averages about 80,000 kWh. As estimated by the LGTA equipment inventory, the largest electrical consuming process component is the operation of the brush aerators (approx.65% of the total process electrical consumption). An Energy Utilization Index (EUI) was determined on a bimonthly basis. Over the last 18 months, the EUI has averaged a very respectable 2.67 million Btus per million gallons of processed wastewater.

James, J.W.

1985-10-01T23:59:59.000Z

284

Bioaccumulation of triclocarban, triclosan, and methyl-triclosan in a North Texas wastewater treatment plant receiving stream and effects of triclosan on algal lipid synthesis.  

E-Print Network [OSTI]

??Triclosan (TCS) and triclocarban (TCC), widely used antimicrobial agents found in numerous consumer products, are incompletely removed by wastewater treatment plant (WWTP) processing. Methyl-triclosan (M-TCS) (more)

Coogan, Melinda Ann

2007-01-01T23:59:59.000Z

285

The carbon footprint analysis of wastewater treatment plants and nitrous oxide emissions from full-scale biological nitrogen removal processes in Spain  

E-Print Network [OSTI]

This thesis presents a general model for the carbon footprint analysis of advanced wastewater treatment plants (WWTPs) with biological nitrogen removal processes, using a life cycle assessment (LCA) approach. Literature ...

Xu, Xin, S.M. Massachusetts Institute of Technology

2013-01-01T23:59:59.000Z

286

Treatment of concentrated industrial wastewaters originating from oil shale and the like by electrolysis polyurethane foam interaction  

DOE Patents [OSTI]

Highly concentrated and toxic petroleum-based and synthetic fuels wastewaters such as oil shale retort water are treated in a unit treatment process by electrolysis in a reactor containing oleophilic, ionized, open-celled polyurethane foams and subjected to mixing and l BACKGROUND OF THE INVENTION The invention described herein arose in the course of, or under, Contract No. DE-AC03-76SF00098 between the U.S. Department of Energy and the University of California.

Tiernan, Joan E. (38 Clay Ct., Novato, CA 94947)

1991-01-01T23:59:59.000Z

287

Emerging chemical contaminants in water and wastewater  

Science Journals Connector (OSTI)

...contaminants in water and wastewater' compiled and edited by Michael...contaminants in water and wastewater Michael R. Templeton 1...activated sludge process in wastewater treatment, whereby the pollutants...the impact on agricultural recycling. Disinfection by-products...

2009-01-01T23:59:59.000Z

288

Mechanism of degradation of wool wax in the anaerobic treatment of woolscouring wastewater  

Science Journals Connector (OSTI)

Results of the anaerobic digestion of a woolscouring wastewater treatment and some considerations about the anaerobic degradation mechanisms of wool wax, are presented. A 57 live anaerobic baffled reactor (ABR) was operated with woolscouring effluent. When organic load varied from 3 to 5 kg COD/m3 d, COD and grease removal ranged from 40 to 55% and 50 to 65%, respectively. With centrifuged effluent, COD removal was 45% to 60%. A 300 m3 ABR was built and operated during two years based on the previous laboratory results. COD removal was between 45% to 18% with organic load of 3 to 10 kg COD/m3 d. With centrifuged effluent, COD efficiencies ranged between 72% and 47%. No inhibition by long chain fatty acids was observed. Considering the results of grease content determination and TLC analysis in both reactors, it could be assumed that wool wax is hydrolyzed forming sterols and free fatty acids and that free fatty acids are degraded while sterols are accumulated in the sludge.

Soledad Gutirrez; Alberto Hernndez; Mara Vias

1999-01-01T23:59:59.000Z

289

A methodology to estimate greenhouse gases emissions in Life Cycle Inventories of wastewater treatment plants  

SciTech Connect (OSTI)

The main objective of this paper is to present the Direct Emissions Estimation Model (DEEM), a model for the estimation of CO{sub 2} and N{sub 2}O emissions from a wastewater treatment plant (WWTP). This model is consistent with non-specific but widely used models such as AS/AD and ASM no. 1 and presents the benefits of simplicity and application over a common WWTP simulation platform, BioWin Registered-Sign , making it suitable for Life Cycle Assessment and Carbon Footprint studies. Its application in a Spanish WWTP indicates direct N{sub 2}O emissions to be 8 times larger than those associated with electricity use and thus relevant for LCA. CO{sub 2} emissions can be of similar importance to electricity-associated ones provided that 20% of them are of non-biogenic origin. - Highlights: Black-Right-Pointing-Pointer A model has been developed for the estimation of GHG emissions in WWTP. Black-Right-Pointing-Pointer Model was consistent with both ASM no. 1 and AS/AD. Black-Right-Pointing-Pointer N{sub 2}O emissions are 8 times more relevant than the one associated with electricity. Black-Right-Pointing-Pointer CO{sub 2} emissions are as important as electricity if 20% of it is non-biogenic.

Rodriguez-Garcia, G., E-mail: gonzalo.rodriguez.garcia@usc.es [Department of Chemical Engineering, University of Santiago de Compostela, Rua Lope Gomez de Marzoa, S/N, 15782, Santiago de Compostela (Spain); Hospido, A., E-mail: almudena.hospido@usc.es [Department of Chemical Engineering, University of Santiago de Compostela, Rua Lope Gomez de Marzoa, S/N, 15782, Santiago de Compostela (Spain); Bagley, D.M., E-mail: bagley@uwyo.edu [Department of Chemical and Petroleum Engineering, University of Wyoming, 82072 Laramie, WY (United States); Moreira, M.T., E-mail: maite.moreira@usc.es [Department of Chemical Engineering, University of Santiago de Compostela, Rua Lope Gomez de Marzoa, S/N, 15782, Santiago de Compostela (Spain); Feijoo, G., E-mail: gumersindo.feijoo@usc.es [Department of Chemical Engineering, University of Santiago de Compostela, Rua Lope Gomez de Marzoa, S/N, 15782, Santiago de Compostela (Spain)

2012-11-15T23:59:59.000Z

290

How environmentally significant is water consumption during wastewater treatment?: Application of recent developments in LCA to WWT technologies used at 3 contrasted geographical locations  

Science Journals Connector (OSTI)

Abstract Environmental impact assessment models are readily available for the assessment of pollution-related impacts in life cycle assessment (LCA). These models have led to an increased focus on water pollution issues resulting in numerous LCA studies. Recently, there have been significant developments in methods assessing freshwater use. These improvements widen the scope for the assessment of wastewater treatment (WWT) technologies, now allowing us to apprehend, for the first time, a combination of operational (energy and chemicals use), qualitative (environmental pollution) and quantitative (water deprivation) issues in wastewater treatment. This enables us to address the following question: Is water consumption during wastewater treatment environmentally significant compared to other impacts? To answer this question, a standard life cycle inventory (LCI) was performed with a focus on consumptive water uses at plant level, where several WWT technologies were operating, in different climatic conditions. The impacts of water consumption were assessed by integrating regionalized characterization factors for water deprivation within an existing life cycle impact assessment (LCIA) method. Results at the midpoint level, show that water deprivation impacts are highly variable in relation to the chosen WWT technology (water volume used) and of WWTP location (local water scarcity). At the endpoint level, water deprivation impacts on ecosystem quality and on the resource damage categories are significant for WWT technologies with great water uses in water-scarce areas. Therefore, our study shows the consideration of water consumption-related impacts is essential and underlines the need for a greater understanding of the water consumption impacts caused by WWT systems. This knowledge will help water managers better mitigate local water deprivation impacts, especially in selecting WWT technologies suitable for arid and semi-arid areas.

Eva Risch; Philippe Loubet; Montserrat Nez; Philippe Roux

2014-01-01T23:59:59.000Z

291

Fate of anthropogenic cyclic volatile methylsiloxanes in a wastewater treatment plant  

Science Journals Connector (OSTI)

Abstract The fate of cyclic volatile methylsiloxanes (cVMS) octamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5), and dodecamethylcyclohexasiloxane (D6) was evaluated in a typical secondary activated sludge wastewater treatment plant (WWTP). Water samples (influent, primary effluent, and final effluent) and sludge (primary sludge and waste activated sludge) samples were collected at overnight low, morning high, afternoon low, and evening high flows. Concentrations of cVMS in influents fluctuated with the influent flows, ranging from 0.166 to 1.13?gL?1, 3.4719.3?gL?1, and 0.4463.87?gL?1 for D4, D5, and D6, respectively. Mass balance analysis of cVMS showed the average mass of D4, D5, and D6 entering and exiting the plant in influent and effluent, respectively, were 109gd?1, 2050gd?1, 280gd?1, and 1.41gd?1, 27.0gd?1, 1.90gd?1. The total removal efficiency of cVMS was >96%. To elucidate their detailed removal mechanisms, Mackay's fugacity-based treatment plant model was used to simulate the fate of cVMS through the WWTP. Due to the unusual combination of high hydrophobicity and volatility of cVMS, volatilization in the aeration tank and adsorption to sludge were the two main pathways of cVMS removal from water in this WWTP based on the experimental and modeled results. The morning and evening high influent mass flows contributed almost equally at approximately 40% of the total daily cVMS mass, with D5 accounting for the majority of this daily loading.

De-Gao Wang; Monica Aggarwal; Tara Tait; Samantha Brimble; Grazina Pacepavicius; Laura Kinsman; Mike Theocharides; Shirley Anne Smyth; Mehran Alaee

2014-01-01T23:59:59.000Z

292

Effectiveness of wind-blown sands on treatment of wastewater from coal-fired power plants  

Science Journals Connector (OSTI)

Untreated disposal of wastewater from coal-fired power plants has environmental and public health concerns in ... situ experiment was conducted in the easily accessible wind-blown sands to study their efficiency ...

Yunfeng Li; Weifeng Wan; Wanfang Zhou; Juan Xie; Yaoguo Wu

2011-11-01T23:59:59.000Z

293

Electricity generation and treatment of paper recycling wastewater using a microbial fuel cell  

Science Journals Connector (OSTI)

Increased interest in sustainable agriculture and bio-based industries requires that we find more energy-efficient methods for treating cellulose-containing wastewaters. We examined the effectiveness of simultane...

Liping Huang; Bruce E. Logan

2008-08-01T23:59:59.000Z

294

Experimental evaluation of anaerobic digestion for coffee wastewater treatment and its biomethane recovery potential  

Science Journals Connector (OSTI)

The objective of this study was to evaluate the performance of anaerobic digestion (AD) as an eco-friendly technology for coffee wastewater (CWW) management. First, we have characterized the CWW and found that...

A. Beyene; D. Yemane; T. Addis

2014-10-01T23:59:59.000Z

295

Treatment of domestic wastewater for reuse with activated silica and magnesia  

E-Print Network [OSTI]

an incentive for reuse of wastewater. The Federal Water Pollution Control Act Amendments of 1972 includes a provision requiring grants made from authorized funds to include consideration of alternative technologies, and that recycling or elimination... an incentive for reuse of wastewater. The Federal Water Pollution Control Act Amendments of 1972 includes a provision requiring grants made from authorized funds to include consideration of alternative technologies, and that recycling or elimination...

Lindner, John Howard

2012-06-07T23:59:59.000Z

296

Occurrence, fate and ecotoxicological assessment of pharmaceutically active compounds in wastewater and sludge from wastewater treatment plants in Chongqing, the Three Gorges Reservoir Area  

Science Journals Connector (OSTI)

Abstract The occurrence, removal and ecotoxicological assessment of 21 pharmaceutically active compounds (PhACs) including antibiotics, analgesics, antiepileptics, antilipidemics and antihypersensitives, were studied at four municipal wastewater treatment plants (WWTP) in Chongqing, the Three Gorges Reservoir Area. Individual treatment unit effluents, as well as primary and secondary sludge, were sampled and analyzed for the selected PhACs to evaluate their biodegradation, persistence and partitioning behaviors. PhACs were identified and quantified using high performance liquid chromatography/tandem mass spectrometry after solid-phase extraction. All the 21 analyzed PhACs were detected in wastewater and the target PhACs except acetaminophen, ibuprofen and gemfibrozil, were also found in sludge. The concentrations of the antibiotics and SVT were comparable to or even higher than those reported in developed countries, while the case of other target PhACs was opposite. The elimination of PhACs except acetaminophen was incomplete and a wide range of elimination efficiencies during the treatment were observed, i.e. from negative removal to 99.5%. The removal of PhACs was insignificant in primary and disinfection processes, and was mainly achieved during the biological treatment. Based on the mass balance analysis, biodegradation is believed to be the primary removal mechanism, whereas only about 1.5% of the total mass load of the target PhACs was removed by sorption. Experimentally estimated distribution coefficients (<500L/kg, with a few exceptions) also indicate that biodegradation/transformation was responsible for the removal of the target PhACs. Ecotoxicological assessment indicated that the environment concentrations of single compounds (including sulfadiazine, sulfamethoxazole, ofloxacin, azithromycin and erythromycin-H2O) in effluent and sludge, as well as the mixture of the 21 detected PhACs in effluent, sludge and receiving water had a significant ecotoxicological risk to algae. Therefore, further control of PhACs in effluent and sludge is required before their discharge and application to prevent their introduction into the environment.

Qing Yan; Xu Gao; You-Peng Chen; Xu-Ya Peng; Yi-Xin Zhang; Xiu-Mei Gan; Cheng-Fang Zi; Jin-Song Guo

2014-01-01T23:59:59.000Z

297

Occurrence and fate of eleven classes of antibiotics in two typical wastewater treatment plants in South China  

Science Journals Connector (OSTI)

Abstract Wastewater treatment plants (WWTPs) are regarded as one of the most important sources of antibiotics in the environment. Two sampling campaigns over a period of one year in two wastewater treatment plants (plant A: activated sludge with chlorination, and plant B: oxidation ditch with UV) of Guangdong Province, China were carried out to assess the occurrence and fate of 11 classes of 50 antibiotics. The wastewater samples were extracted by Oasis HLB cartridges (6mL, 500mg), while the solid samples (sludge and suspended solid matter) were extracted by ultrasonic-assisted extraction with solvents (acetonitrile and citric acid buffer), followed by an enrichment and clean-up step with solid-phase extraction using SAX-HLB cartridges in tandem. The results showed the presence of 20 and 17 target compounds in the influents and effluents, respectively, at the concentrations ranging from low ng/L to a few ?g/L. Sulfamethoxazole, norfloxacin, ofloxacin, anhydro erythromycin and trimethoprim were most frequently detected in the \\{WWTPs\\} wastewaters. Twenty-one antibiotics were found in the sewage sludge from the two \\{WWTPs\\} at the concentrations up to 5800ng/g, with tetracycline, oxytetracycline, norfloxacin and ofloxacin being the predominant antibiotics. The total mass loads of antibiotics per capita in the two plants ranged from 494 to 901?g/d/inhabitant (672182?g/d/inhabitant) in the influents, from 130 to 238?g/d/inhabitant (17545?g/d/inhabitant) in the effluents and from 107 to 307?g/d/inhabitant (19187.9?g/d/inhabitant) in the dewatered sludge, respectively. The aqueous removals for sulfonamides, macrolides, trimethoprim, lincomycin and chloramphenicol in the \\{WWTPs\\} were mainly attributed to the degradation processes, while those for tetracyclines and fluoroquinolones were mainly due to the adsorption onto sludge.

Li-Jun Zhou; Guang-Guo Ying; Shan Liu; Jian-Liang Zhao; Bin Yang; Zhi-Feng Chen; Hua-Jie Lai

2013-01-01T23:59:59.000Z

298

BIO?REFINERIES: BIOPROCESS TECHNOLOGIES FOR WASTE?WATER TREATMENT, ENERGY AND PRODUCT VALORIZATION  

Science Journals Connector (OSTI)

Increasing pressure is being exerted on communities and nations to source energy from forms other than fossil fuels. Also potable water is becoming a scarce resource in many parts of the world and there remains a large divide in the demand and utilization of plant products derived from genetically modified organisms (GMOs) and non?GMOs. The most extensive user and manager of terrestrial ecosystems is agriculture which is also the de facto steward of natural resources. As stated by Miller (2008) no other industry or institution comes close to the comparative advantage held for this vital responsibility while simultaneously providing food fiber and other biology?based products including energy. Since modern commercial agriculture is transitioning from the production of bulk commodities to the provision of standardized products and specific?attribute raw materials for differentiated markets we can argue that processes such as mass cultivation of microalgae and the concept of bio?refineries be seen as part of a new agronomy. EBRU is currently exploring the integration of bioprocess technologies using microalgae as biocatalysts to achieve waste?water treatment water polishing and endocrine disruptor (EDC) removal sustainable energy production and exploitation of the resultant biomass in agriculture as foliar fertilizer and seed coatings and for commercial extraction of bulk commodities such as bio?oils and lecithin. This presentation will address efforts to establish a fully operational solar?driven microalgae bio?refinery for use not only in waste remediation but to transform waste and biomass to energy fuels and other useful materials (valorisation) with particular focus on environmental quality and sustainability goals.

A. Keith Cowan

2010-01-01T23:59:59.000Z

299

Membrane Based intensification of ammonia removal from wastewater  

E-Print Network [OSTI]

The aim of this research was to study a novel membrane based oxygen intensification system to enhance a biological wastewater treatment process for ammonia removal. Specifically, this work is concerned with the biological nitrification process which...

Almutairi, Azel

2011-12-31T23:59:59.000Z

300

Developer Installed Treatment Plants  

E-Print Network [OSTI]

-installed treatment plants. These treatment plants are more commonly known as package wastewater treatment plants. 1

unknown authors

2008-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

GRR/Section 14-OR-f - Onsite Wastewater Management | Open Energy  

Open Energy Info (EERE)

GRR/Section 14-OR-f - Onsite Wastewater Management GRR/Section 14-OR-f - Onsite Wastewater Management < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 14-OR-f - Onsite Wastewater Management 14ORFOnsiteWastewaterManagementSepticSystems.pdf Click to View Fullscreen Contact Agencies Oregon Department of Environmental Quality Regulations & Policies OAR 340-071: Onsite Wastewater Treatment Systems OAR 340-073: DEQ Construction Standards Triggers None specified Click "Edit With Form" above to add content 14ORFOnsiteWastewaterManagementSepticSystems.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Flowchart Narrative Over 30% of Oregonians dispose of wastewater from their homes and

302

Integration of algae cultivation as biodiesel production feedstock with municipal wastewater treatment: Strains screening and significance evaluation of environmental factors  

Science Journals Connector (OSTI)

The objectives of this study are to find the robust strains for the centrate cultivation system and to evaluate the effect of environmental factors including light intensity, lightdark cycle, and exogenous CO2 concentration on biomass accumulation, wastewater nutrient removal and biodiesel production. The results showed that all 14 algae strains from the genus of Chlorella, Haematococcus, Scenedesmus, Chlamydomonas, and Chloroccum were able to grow on centrate. The highest net biomass accumulation (2.01g/L) was observed with Chlorella kessleri followed by Chlorella protothecoides (1.31g/L), and both of them were proved to be capable of mixotrophic growth when cultivated on centrate. Environmental factors had significant effect on algal biomass accumulation, wastewater nutrients removal and biodiesel production. Higher light intensity and exogenous CO2 concentration with longer lighting period promote biomass accumulation, biodiesel production, as well as the removal of chemical oxygen demand and nitrogen, while, lower exogenous CO2 concentration promotes phosphorus removal.

Yecong Li; Wenguang Zhou; Bing Hu; Min Min; Paul Chen; Roger R. Ruan

2011-01-01T23:59:59.000Z

303

Treatment of municipal wastewater reverse osmosis concentrate using UVC-LED/H2O2 with and without coagulation pre-treatment  

Science Journals Connector (OSTI)

Abstract The potential of a prototype batch reactor using ultraviolet light emitting diodes (UVC-LEDs) which emit at 255nm in conjunction with H2O2 for the treatment of a highly saline (electrical conductivity ?22mS/cm; DOC 3237.5mg/L) municipal wastewater reverse osmosis concentrate was investigated. Mineralization of organic content (measured as DOC) was low (22%) due to the low fluence rate (0.14mW/cm2), however, a large reduction in colour (94%) and A254 (75%) occurred after delivering a UV fluence of 48נ103mJ/cm2 at the original pH of 8.3. Fairly similar results were obtained at pH 7, but the reduction of DOC increased at lower pH with 38% and 36% achieved at pH 4 and 5, respectively. Similar trends were observed for colour and A254 reduction. These results, in conjunction with excitationemission matrix spectra, biological dissolved organic carbon (BDOC) assay and apparent molecular size distribution, demonstrated that the prototype system led to the breakdown of the chromophore bonds and thus changes in the molecular structure, and degradation of high molecular weight (MW) compounds to low MW compounds. Coagulation (1.5 and 3mmolL?1 Al3+ at pH 5) led to a significant reduction of DOC (3438%), colour (5066%) and A254 (4754%), and subsequent UVC/H2O2 treatment led to further reduction in these parameters. For a target DOC reduction of 15mg/L, the EE/O was 15kWh/m3 when coagulation was used as pre-treatment to the UVC/H2O2 treatment (UV fluence 36נ103mJ/cm2) and it reduced to less than half after biological treatment (as BDOC assay). This study demonstrated the potential of UV-LEDs as an alternative UV source for degrading the organic matter in ROC using advanced oxidation.

M. Umar; F.A. Roddick; L. Fan; O. Autin; B. Jefferson

2015-01-01T23:59:59.000Z

304

Biosolids are the solids produced during municipal wastewater treatment. Composts are made from a variety of organic materials, including both urban and agriculture  

E-Print Network [OSTI]

ISSUE Biosolids are the solids produced during municipal wastewater treatment. Composts are made resources, restoring soils, and combating climate change. Biosolids are still viewed as harmful wastes County and a number of smaller treatment plants is applied to dryland wheat in Douglas County. More than

Collins, Gary S.

305

Water/Wastewater Engineering Report (Storm Sewer/Infiltration Sanitary Sewage Separation-M1 Model)  

E-Print Network [OSTI]

In some cities, the municipal sewer system collects both storm water and sanitary sewage in the same pipes. During dry weather these sewers carry all the sanitary sewage to the wastewater treatment plant for treatment. However, when rainstorms...

Liu, Z.; Brumbelow, K.; Haberl, J. S.

2006-10-30T23:59:59.000Z

306

Wastewater Reuse  

Science Journals Connector (OSTI)

Wastewater reuse has a long history throughout the world. Indications of reuse of wastewater go back in time at least 5, ... :114, 1996; Vignesnaran and Sundaravadivel, Recycle and reuse of domestic wastewater, ...

Robert Maliva; Thomas Missimer

2012-01-01T23:59:59.000Z

307

On-Site Wastewater Treatment Systems: Pump Tank (Spanish)  

E-Print Network [OSTI]

Sistema de tratamiento de aguas negras Tanque bomba Sistema de distribuci?n por rociado L-5346S 8-00 Figura 1: Un tanque bomba recolecta las aguas negras tratadas y las dosifica en intervalos al suelo. Sistemas individuales para el tratamiento de... aguas negras Tanque bomba Bruce Lesikar y Juan Enciso Promotores Especialistas de Ingenier?a Agr?cola El Sistema Universitario Texas A&M L os tanques bomba son contendores de hormig?n, fibra de vidrio o polietileno que recolectan las aguas negras que ser...

Lesikar, Bruce J.; Enciso, Juan

2000-08-29T23:59:59.000Z

308

On-Site Wastewater Treatment Systems: Trickling Filter (Spanish)  

E-Print Network [OSTI]

Campo de absorci?n Tanque s?ptico Tanque de dosificaci?n/Clarificador Filtro percolador Sistemas individuales para el tratamiento de aguas negras Filtro percolador Bruce Lesikar y Juan Enciso Promotores Especialistas en Inenier?a Agr?cola El Sistema... Universitario Texas A&M L-5345S 4-02 Figura 1: Los filtros percoladores son tecnolog?a sencilla para tratar las aguas negras. U n filtro percolador es una cama de grava o un medio pl?stico sobre el cual se roc?an las aguas negras pretratadas. En este sistema de...

Lesikar, Bruce J.; Enciso, Juan

2002-04-18T23:59:59.000Z

309

On-Site Wastewater Treatment Systems: Leaching Chambers (Spanish)  

E-Print Network [OSTI]

Fosa s?ptica de dos compartimientos C?mara de percolaci?n Campo de absorci?n L-5342S 8-00 Figura 1: Los sistemas de c?mara de percolaci?n pueden tener campos de drenaje m?s peque?os que los de sistemas convencionales. Sistemas individuales para el... tratamiento de aguas negras C?maras de percolaci?n Bruce Lesikar, Juan Enciso y Russell Persyn Promotores Especialistas de Ingenier?a Agr?cola, Promotor Adjunto de Conservaci?n del Agua El Sistema Universitario Texas A&M Un sistema de c?mara de percola- ci...

Lesikar, Bruce J.; Enciso, Juan

2000-10-13T23:59:59.000Z

310

On-Site Wastewater Treatment Systems: Sand Filters (Spanish)  

E-Print Network [OSTI]

Arena filtrante Fosa s?ptica de dos compartimientos con c?mara de bombeo Descarga al campo de absorci?n L-5229S 8-00 Figura 1: Un sistema de filtro de arena. Sistemas individuales para el tratamiento de aguas negras Filtro de arena Bruce Lesikar y... Juan Enciso Promotores Especialistas de Ingenier?a Agr?cola El Sistema Universitario Texas A&M L a filtraci?n por arena es una de las tecnolog?as de tratamiento de aguas negras m?s antiguas que se conoce. Si se dise?a, construye, opera y mantiene...

Lesikar, Bruce J.; Enciso, Juan

2000-10-13T23:59:59.000Z

311

CHP and Bioenergy Systems for Landfills and Wastewater Treatment Plants  

Broader source: Energy.gov [DOE]

There are important issues to consider when selecting a CHP technology, such as size, emissions, location of maintenance personnel, and efficiency. This document summarizes the following CHP technologies: Reciprocating Engine, Microturbine, Combustion Turbines, Stirling Engine, and Fuel Cell.

312

On-Site Wastewater Treatment Systems: Constructed Wetlands (Spanish)  

E-Print Network [OSTI]

la grava, las aguas negras salen del humedal a trav?s de un pozo colector que controla el nivel de agua. El pozo colector permite ajustar el nivel de agua, porque el nivel de agua del humedal debe estar m?s abajo que la superficie del medio para.... Tal vez tenga que ajustar el nivel del agua del humedal de modo que est? por debajo de la superficie del medio. Cuando el nivel del agua est? muy cerca de la superficie de la grava, el humedal tiene un mal olor. Si baja la tuber?a de desag?e en el pozo...

Lesikar, Bruce J.; Enciso, Juan

2002-04-18T23:59:59.000Z

313

On-Site Wastewater Treatment Systems: Operation and Maintenance (Spanish)  

E-Print Network [OSTI]

adicional a las aguas negras antes de enviarlas al suelo. Si las aguas negras no se tratan adecuadamente antes de que lleguen al agua subterr?nea, el pozo de agua de su casa podr?a contaminarse. Existe una excepci?n a la regla de que todas las aguas negras...

Lesikar, Bruce J.; Enciso, Juan

2000-08-15T23:59:59.000Z

314

On-Site Wastewater Treatment Systems: Evapotranspiration Bed (Spanish)  

E-Print Network [OSTI]

mecha es una columna de suelo que se extiende del medio rocoso hasta el fondo de la cama. El ?rea total de mecha debe ser entre el 10 y el 15 por ciento de la superficie de la cama y debe estar uniforme- mente acomodada por toda la cama. Despu?s de poner... Especialistas en Ingenier?a Agr?cola El Sistema Universitario Texas A&M L-5228S 4-02 Figure 1: Un sistema de lecho de evapotranspiraci?n. U na cama de evapotranspiraci?n (ET) trata las aguas negras usando la evapotranspiraci?n, la p?rdida de agua del suelo por...

Lesikar, Bruce J.; Enciso, Juan

2002-04-18T23:59:59.000Z

315

The biodegradation of olive oil and the treatment of lipid-rich wool scouring wastewater under aerobic thermophilic conditions  

Science Journals Connector (OSTI)

The biodegradation of olive oil and the treatment of the lipid-rich wool scouring wastewater were studied under aerobic thermophilic (65C) conditions using the newly isolated strain Bacillus thermoleovorans IHI-91. In a continuously operated laboratory-scale stirred-tank reactor olive oil was degraded to more than 90% at a residence time of 2h with a maximum volumetric degradation rate of 900mgl?1h?1. A relatively high maximum biomass yield of 1.05g dry cell weight per g olive oil consumed was measured and a maintenance coefficient of 0.04g olive oil(g DCW)?1h?1 was calculated from steady-state data. A severe growth inhibition was observed when the feed olive oil concentration was increased to more than 4gl?1. Lipid removal from the highly loaded wool scouring wastewater (COD of 77000mgl?1) was 2030% at a residence time of 1020h while the COD removal was 1520%. GC-MS analysis revealed that longchain fatty acids up to C18 were efficiently degraded while degradation of the predominant sterol-fraction of the wool grease was not detected. The high concentrations of volatile fatty acids (60mM acetic acid, 13mM propionic acid) present in the wastewater were completely removed even at residence times of 2h. Compared with data from mesophilic processes the lipid degradation rates obtained under thermophilic conditions are extremely high.

P Becker; D Kster; M.N Popov; S Markossian; G Antranikian; H Mrkl

1999-01-01T23:59:59.000Z

316

AEROBIC BIOTRANSFORMATION OF TOXIC ORGANICS IN WASTEWATER  

E-Print Network [OSTI]

#12;AEROBIC BIOTRANSFORMATION OF TOXIC ORGANICS IN WASTEWATER DOE FRAP 1997-15 Prepared for in both domestic and industrial wastewater. The release of these compounds during wastewater treatment to predict the mass of the VOCs in the wastewater treated by biotransformation and the mass stripped

317

Decentralized wastewater management  

SciTech Connect (OSTI)

Decentralized wastewater management systems maintain both the solid and liquid fractions of the wastewater near their point of origin. In the future, as long-term strategies are developed to optimize the use of water resources and to protect the environment, it is clear that decentralized systems will become an important element of those strategies.

Tchobanoglous, G.

1998-07-01T23:59:59.000Z

318

Optimizing a Modular Expansion of a Wastewater Treatment Plant Using Option Theory and Moment Matching Approximation Abstract  

E-Print Network [OSTI]

We consider a municipality faced with the question of how big to make their new wastewater treatment facility to meet the demand of 10 % expected growth in the number of new connections. Previously, we developed a real options framework for determining optimal plant size and showed that the model takes on the form of an Asian option. Furthermore, it was shown that if the connection rate growths are closely correlated with the market growth, then the penalty costs associated with having insufficient capacity to treat the wastewater can be effectively hedged, significantly reducing overall expected costs. In this study, we introduce an approximate analytical solution and optimize the plant size of a staged / modular expansion. Based on the given construction cost estimates, we show that a staged expansion has a minimal (expected) savings when connection growth rates are closely correlated to the market growth rates. However, as the correlation decreases to zero, or, alternatively, no attempt is made to hedge the penalty costs, a staged expansion has an expected savings of 20%.

Yuri Lawryshyn; Sebastian Jaimungal

319

Determining the ecological viability of constructed wetlands for the treatment of oil sands wastewater  

SciTech Connect (OSTI)

To determine the conditions for optimal degradation of naphthenic acids (C{sub n}H{sub 2n+z}O{sub 2}), the most toxic component of oil sands wastewater, the authors have monitored the mineralization of 2 representative naphthenic acids (NA), U-{sup 14}C-palmitic acid (linear, Z = 0) and 8-{sup 14}C-decahydro-2-naphthoic acid (bicyclic, Z = {minus}4) under varying conditions of temperature, phosphate and oxygen. The radiolabeled NA was added to biometer flasks containing wastewater {+-} amendments and evolved {sup 14}C-CO{sub 2} was trapped in a side arm and counted by LSC. The results indicate that low temperature (5 C) and anaerobiasis greatly inhibited NA degradation over the four week incubation period. Addition of phosphate (as buffered KP{sub i}) significantly increased {sup 14}C-CO{sub 2} production for both Z = 0 and Z = {minus}4 compounds; however, the subsequent high microbial growth rates also decreased PO{sub 2} which limited NA mineralization. Effluent toxicity was monitored at week 0 and week 4 using Microtox and fathead minnow tests. Although there was increased survival of fathead minnows in the phosphate-amended effluent, the IC{sub 20} values of the Microtox assay showed no improvement in either the phosphate-treated or untreated effluents. These results show that naphthenic acid analogues are readily degraded by indigenous microorganisms in oil sands wastewater and that phosphate addition accelerated the mineralization of these compounds if PO{sub 2} remained high.

Lai, J.; Kiehlmann, E.; Pinto, L.; Bendell-Young, L.; Moore, M. [Simon Fraser Univ., Burnaby, British Columbia (Canada); Nix, P. [EVS Environment Consultants, North Vancouver, British Columbia (Canada)

1995-12-31T23:59:59.000Z

320

Chapter 7 - Urban Wastewater Treatment for Recycling and Reuse in Industrial Applications: Indian Scenario  

Science Journals Connector (OSTI)

Abstract Urban wastewater management has become a challenge in many countries because infrastructure development and regulations have not kept pace with population growth and urbanization. This chapter focuses on urban wastewater management and the possible use of treated water for industrial applications in India. The figures on Indias annual urban population are rising and expected to reach about 600 million by 2030, making India more peri-urban than rural. It is realised that Indian industry has not taken a neutral stance on the required quality and quantity of water. The current national water share for Indian industry is only about 8%, which is far lower than in developed countries with respect to higher reuse and recycling applications. However, the water share of Indian industry will be growing along with the growing GDP. According to a recent Industry/Commerce & Government assessment, the water requirement for industrial use will increase from the current 30 billion m3 to-120 billionm3 by 2025. India is already an almost water-stressed country. The huge water demand of industry can be balanced by recycling and reusing urban wastewater, which would also provide an opportunity for the growth of Indian industry should this type of program be adopted. It would be possible to reuse 4050% of secondary sewage for industrial and indirect potable use. If the sustainability of resources was maintained in light of increasing industrial water demand, the present reuse of less than 8% would be increased to 3040% toward the projected water demand of 2030. Industrial water production from secondary sewage of urban and semi-urban areas can increase the water availability to Indian industrial sectors by establishing a joint municipalindustrial collaboration.

R. Saravanane; Vivek V. Ranade; Vinay M. Bhandari; A. Seshagiri Rao

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Utilization of municipal wastewater for cooling in thermoelectric power plants: Evaluation of the combined cost of makeup water treatment and increased condenser fouling  

SciTech Connect (OSTI)

A methodology is presented to calculate the total combined cost (TCC) of water sourcing, water treatment and condenser fouling in the recirculating cooling systems of thermoelectric power plants. The methodology is employed to evaluate the economic viability of using treated municipal wastewater (MWW) to replace the use of freshwater as makeup water to power plant cooling systems. Cost analyses are presented for a reference power plant and five different tertiary treatment scenarios to reduce the scaling tendencies of MWW. Results indicate that a 550 MW sub-critical coal fired power plant with a makeup water requirement of 29.3 ML/day has a TCC of $3.0 - 3.2 million/yr associated with the use of treated MWW for cooling. (All costs USD 2009). This translates to a freshwater conservation cost of $0.29/kL, which is considerably lower than that of dry air cooling technology, $1.5/kL, as well as the 2020 conservation cost target set by the U.S. Department of Energy, $0.74/kL. Results also show that if the available price of freshwater exceeds that of secondarytreated MWW by more than $0.13-0.14/kL, it can be economically advantageous to purchase secondary MWW and treat it for utilization in the recirculating cooling system of a thermoelectric power plant.

Walker, Michael E.; Theregowda, Ranjani B.; Safari, Iman; Abbasian, Javad; Arastoopour, Hamid; Dzombak, David A.; Hsieh, Ming-Kai; Miller, David C.

2013-10-01T23:59:59.000Z

322

Advancement of chitosan-based adsorbents for enhanced and selective adsorption performance in water/wastewater treatment: review  

Science Journals Connector (OSTI)

This paper gives an overview of the results obtained by various researchers in the treatment of various suspensions and solutions by using Chitosan as an adsorbent. Chitosan, a partially deacetylated polymer obtained from the alkaline deacetylation of chitin, extracted from shellfish has been reviewed for its application in water and wastewater. Chitosan exhibits a variety of physicochemical and biological properties resulting in numerous applications in various fields. The review provides a summary of recent information obtained using batch studies, deals with the various adsorption mechanisms involved also summarises the equilibrium and kinetic modelling. It is attempted to identify the gaps in the use of Chitosan as an adsorbent and to indicate future directions useful for research.

Madhukar V. Jadhav; Yogesh S. Mahajan

2011-01-01T23:59:59.000Z

323

Integrated nonthermal treatment system study  

SciTech Connect (OSTI)

This report presents the results of a study of nonthermal treatment technologies. The study consisted of a systematic assessment of five nonthermal treatment alternatives. The treatment alternatives consist of widely varying technologies for safely destroying the hazardous organic components, reducing the volume, and preparing for final disposal of the contact-handled mixed low-level waste (MLLW) currently stored in the US Department of Energy complex. The alternatives considered were innovative nonthermal treatments for organic liquids and sludges, process residue, soil and debris. Vacuum desorption or various washing approaches are considered for treatment of soil, residue and debris. Organic destruction methods include mediated electrochemical oxidation, catalytic wet oxidation, and acid digestion. Other methods studied included stabilization technologies and mercury separation of treatment residues. This study is a companion to the integrated thermal treatment study which examined 19 alternatives for thermal treatment of MLLW waste. The quantities and physical and chemical compositions of the input waste are based on the inventory database developed by the US Department of Energy. The Integrated Nonthermal Treatment Systems (INTS) systems were evaluated using the same waste input (2,927 pounds per hour) as the Integrated Thermal Treatment Systems (ITTS). 48 refs., 68 figs., 37 tabs.

Biagi, C.; Bahar, D.; Teheranian, B.; Vetromile, J. [Morrison Knudsen Corp. (United States); Quapp, W.J. [Nuclear Metals (United States); Bechtold, T.; Brown, B.; Schwinkendorf, W. [Lockheed Martin Idaho Technologies Co., Idaho Falls, ID (United States); Swartz, G. [Swartz and Associates (United States)

1997-01-01T23:59:59.000Z

324

Removal of indicator bacteria from municipal wastewater in an experimental two-stage vertical flow constructed  

E-Print Network [OSTI]

Removal of indicator bacteria from municipal wastewater in an experimental two-stage vertical flow, but no measurements were done during summer. Recycling of treated effluent back to the sedimentation tank did reasons for wastewater treatment. Constructed wetland systems remove pathogens by factors such as natural

Brix, Hans

325

'Bugs' used to treat FGD wastewater  

SciTech Connect (OSTI)

Tough regulation of heavy metals may justify a bioreactor approach in addition to chemical treatment of FGD wastewater. Two of Duke Energy' coal-fired plants, Belews Creek and Allen (in North Carolina) have installed new biological reactor systems to increase selenium removal to levels not achievable by existing scrubber waste water systems. The ABMet system removes nitrate and selenium in a single step. Progress Energy has installed the system at Roxboro and Mayo Stations, also in North Carolina. 1 fig., 2 photos.

Blankinship, S.

2009-09-15T23:59:59.000Z

326

Treatment of reactive dyes and textile finishing wastewater using Fenton's oxidation for reuse  

Science Journals Connector (OSTI)

Fenton's oxidation (FO) was used to decolourise and degrade some reactive dyes (Remazol Black 5, Remazol Red, Remazol Blue, Remazol Yellow) and raw textile finishing industry effluents (S1, S2, S3) containing mainly reactive dyes. The operational conditions for pH varied between 2.5 and 4.0 while temperature ranged from 30°C to 50°C. The concentrations of FeSO4 and H2O2 varied to a wide range (200??600 mg/l of FeSO4, 300??1000 mg/l of H2O2) depending on the type of the dyes and their mixture and textile additives used in the process. FO is highly effective for colour removal (>99%) for reactive dyes and (87??94%) for textile finishing wastewater. It can be applied as a pretreatment and the remaining total dissolved solids (TDS) can be removed by an additional advanced process, e.g. membrane process.

Sureyya Meric; Giusy Lofrano; Vincenzo Belgiorno

2005-01-01T23:59:59.000Z

327

E-Print Network 3.0 - alternative wastewater treatment Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Geosciences ; Environmental Sciences and Ecology 59 Sustainable Use of Resources Recycling of Sewage Treatment Plant Water in Concrete Summary: of knowledge of the use of...

328

Stripping of organic compounds from wastewater as an auxiliary fuel of regenerative thermal oxidizer  

Science Journals Connector (OSTI)

Organic solvents with different volatilities are widely used in various processes and generate air and water pollution problems. In the cleaning processes of electronics industries, most volatile organic compounds (VOCs) are vented to air pollution control devices while most non-volatile organic solvents dissolve in the cleaning water and become the major sources of COD in wastewater. Discharging a high-COD wastewater stream to wastewater treatment facility often disturbs the treatment performance. A pretreatment of the high-COD wastewater is therefore highly desirable. This study used a packed-bed stripping tower in combination with a regenerative thermal oxidizer to remove the COD in the wastewater from a printed circuit board manufacturing process and to utilize the stripped organic compounds as the auxiliary fuel of the RTO. The experimental results showed that up to 45% of the COD could be removed and 66% of the RTO fuel could be saved by the combined treatment system.

Meng-Wen Chang; Jia-Ming Chern

2009-01-01T23:59:59.000Z

329

Harvesting Energy from Wastewater in a 2-Chamber  

E-Print Network [OSTI]

Harvesting Energy from Wastewater in a 2-Chamber Microbial Fuel Cell Sikandar Present day wastewater treatment plants utilize high amounts of energy and are costly to operate. These conventional wastewater treatment plants utilize aerobic bacteria. Organic material in wastewater contains energy that can

330

GRR/Section 18-ID-c - Wastewater Pretreatment Permit | Open Energy  

Open Energy Info (EERE)

8-ID-c - Wastewater Pretreatment Permit 8-ID-c - Wastewater Pretreatment Permit < GRR Jump to: navigation, search GRR-logo.png GEOTHERMAL REGULATORY ROADMAP Roadmap Home Roadmap Help List of Sections Section 18-ID-c - Wastewater Pretreatment Permit 18IDCWastewaterPretreatmentPermit.pdf Click to View Fullscreen Triggers None specified Click "Edit With Form" above to add content 18IDCWastewaterPretreatmentPermit.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number not in range. Flowchart Narrative Industrial wastewater permits are issued at the local level. If wastewater is not discharged into a municipal sewer system, the nonpoint source and NPDES permit inquiries are sufficient. A common approach to wastewater treatment is to treat on-site. See Idaho's

331

Taking the Waste Out of Wastewater for Human Water Security and Ecosystem Sustainability  

Science Journals Connector (OSTI)

...than one way; for example, wastewater recycling with wastewater stabilization...Finally, lessons from wastewater recycling systems indicate that the...processes, provided that recycling wastewater neither substantially increases...

Stanley B. Grant; Jean-Daniel Saphores; David L. Feldman; Andrew J. Hamilton; Tim D. Fletcher; Perran L. M. Cook; Michael Stewardson; Brett F. Sanders; Lisa A. Levin; Richard F. Ambrose; Ana Deletic; Rebekah Brown; Sunny C. Jiang; Diego Rosso; William J. Cooper; Ivan Marusic

2012-08-10T23:59:59.000Z

332

Integrating farming and wastewater management.  

E-Print Network [OSTI]

??Source separating wastewater systems are often motivated by their integration with farming. It is thus important to scrutinise the critical factors associated with such integration. (more)

Tidker, Pernilla

2007-01-01T23:59:59.000Z

333

Algae/Bacteria Ratio in High-Rate Ponds Used for Waste Treatment  

Science Journals Connector (OSTI)

...the algae grown on wastewater under adequate sunlight...matter, provided by the wastewater. The algae subsequently...bringing the nutrient recycling process to near completion...J. Evans. 1976. Recycling of cereal straw. In...Combined systems for algal wastewater treatment and reclamation...

Gideon Oron; Gedaliah Shelef; Anna Levi; Arie Meydan; Yossef Azov

1979-10-01T23:59:59.000Z

334

Specific biogas production and role of packing medium in the treatment of rubber thread manufacturing industry wastewater  

Science Journals Connector (OSTI)

Wastewater from three rubber thread manufacturing industries collected from three different...4.../g?COD added when the organic loading rate was altered from 2.0 to 14.0?g?COD/l/d respectively. The biogas production

P. Agamuthu

1999-08-01T23:59:59.000Z

335

Trace Analysis of Polar Pharmaceuticals in Wastewater by LC-MS-MS: Comparison of Membrane Bioreactor and Activated Sludge Systems  

Science Journals Connector (OSTI)

......Analysis of Polar Pharmaceuticals in Wastewater by LC-MS-MS: Comparison...compounds in three different wastewater recycling schemes in Australia. Chemosphere...fields irrigated with treated wastewater. J. Agric. Food. Chem. 53......

Mary Dawn Celiz; Sandra Prez; Dami Barcel; Diana S. Aga

2009-01-01T23:59:59.000Z

336

Biodegradation of triclosan as a representative of Pharmaceuticals and Personal Care Products (PPCPs) in the wastewater environment.  

E-Print Network [OSTI]

??Mechanisms involved in triclosan removal in conventional wastewater treatment processes include sorption and biodegradation. Achieving efficient biodegradation of triclosan through wastewater treatment processes is critical (more)

Qiu, Xiaoxia

2012-01-01T23:59:59.000Z

337

Concentration of Norovirus during Wastewater Treatment and Its Impact on Oyster Contamination  

Science Journals Connector (OSTI)

...culture system for the detection of NoV was reported...contamination of the marine environment and thus...noninfectious NoV, and the detection of NoV in oysters using...1995. Water quality. Detection and enumeration of bacteriophages...and ionizing (gamma) radiation. Appl. Environ. Microbiol...

John Flannery; Sinad Keaveney; Paulina Rajko-Nenow; Vincent O'Flaherty; William Dor

2012-02-24T23:59:59.000Z

338

E-Print Network 3.0 - area industrial wastewater Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Sciences and Ecology 3 Harvesting Energy from Wastewater Treatment Summary: Biogas: - 60% H2 - 40% CO2 12;H2 from industrial wastewaters such as food processing...

339

What is the Onsite Wastewater Training In 1993 the URI Cooperative Extension Water Quality  

E-Print Network [OSTI]

Denitrification systems Biofilters (peat, foam, and textile) Composting toilets Conventional systems Innovative&A) and conventional onsite wastewater treatment technologies that are installed above ground to facilitate hands: Conventional system Trickling filters Pressure dosed systems Extended aeration systems Sand filtration systems

Rhode Island, University of

340

E-Print Network 3.0 - allograft disinfection system Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Program Specialist Water Quality The Texas A&M University System... systems or wastewater treatment plants, manure, pesticides or fertilizer applied to cropland... that was...

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

E-Print Network 3.0 - auxiliary water systems Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

including drinking water distribution systems (esp. in small rural communities... ), wastewater treatment, storm runoff, irrigation systems, dams, levees, and canals. 9. Water...

342

Wastewater heat recovery apparatus  

DOE Patents [OSTI]

A heat recovery system is described with a heat exchanger and a mixing valve. A drain trap includes a heat exchanger with an inner coiled tube, baffle plate, wastewater inlet, wastewater outlet, cold water inlet, and preheated water outlet. Wastewater enters the drain trap through the wastewater inlet, is slowed and spread by the baffle plate, and passes downward to the wastewater outlet. Cold water enters the inner tube through the cold water inlet and flows generally upward, taking on heat from the wastewater. This preheated water is fed to the mixing valve, which includes a flexible yoke to which are attached an adjustable steel rod, two stationary zinc rods, and a pivoting arm. The free end of the arm forms a pad which rests against a valve seat. The rods and pivoting arm expand or contract as the temperature of the incoming preheated water changes. The zinc rods expand more than the steel rod, flexing the yoke and rotating the pivoting arm. The pad moves towards the valve seat as the temperature of the preheated water rises, and away as the temperature falls, admitting a variable amount of hot water to maintain a nearly constant average process water temperature. 6 figs.

Kronberg, J.W.

1992-09-01T23:59:59.000Z

343

Wastewater heat recovery apparatus  

DOE Patents [OSTI]

A heat recovery system with a heat exchanger and a mixing valve. A drain trap includes a heat exchanger with an inner coiled tube, baffle plate, wastewater inlet, wastewater outlet, cold water inlet, and preheated water outlet. Wastewater enters the drain trap through the wastewater inlet, is slowed and spread by the baffle plate, and passes downward to the wastewater outlet. Cold water enters the inner tube through the cold water inlet and flows generally upward, taking on heat from the wastewater. This preheated water is fed to the mixing valve, which includes a flexible yoke to which are attached an adjustable steel rod, two stationary zinc rods, and a pivoting arm. The free end of the arm forms a pad which rests against a valve seat. The rods and pivoting arm expand or contract as the temperature of the incoming preheated water changes. The zinc rods expand more than the steel rod, flexing the yoke and rotating the pivoting arm. The pad moves towards the valve seat as the temperature of the preheated water rises, and away as the temperature falls, admitting a variable amount of hot water to maintain a nearly constant average process water temperature.

Kronberg, James W. (108 Independent Blvd., Aiken, SC 29801)

1992-01-01T23:59:59.000Z

344

Wastewater minimization in industrial applications: Challenges and solutions  

SciTech Connect (OSTI)

The impetus for waste minimization and water recycle in the metal processing industry comes from increasingly stringent environmental regulations and dwindling water supplies. Tougher discharge permits often dictate additional wastewater treatments, which can make water recycle and waste minimization an attractive option. The most challenging part in the design of a water recycle system is to minimize the capital and operating costs while meeting the water quality requirements of the process. Computer simulation of water recycle alternatives provides: (1) ``expected`` water chemistry, (2) steady-state mass and energy balance for the plant water system, (3) performance of the water treatments considered in the water recycle scheme, and (4) relative economics based on capital and operating costs. The computer simulation study recommends the best wastewater recycle scheme based on economics and technical merits. Benefits of a computer simulation study in the design of water recycle and wastewater minimization processes are illustrated by a case study in the metal processing industry.

Dave, B.B. [Nalco Chemical Co., Naperville, IL (United States)

1998-12-31T23:59:59.000Z

345

Animal Waste Treatment System Loan Program (Missouri)  

Broader source: Energy.gov [DOE]

The purpose of the Animal Waste Treatment System Loan Program is to finance animal waste treatment systems for independent livestock and poultry producers at below conventional interest rates. Loan...

346

Using treated municipal wastewater in a linerboard mill -- legal, political, and technical issues  

SciTech Connect (OSTI)

When plans to expand production at an antiquated mill were jeopardized by an inadequate source of process water, the mill explored the possibility of producing first-quality linerboard using treated municipal wastewater. This paper outlines the legal, technical, and political issues encountered in developing a plan that would allow the mill to use effluent from a municipal wastewater treatment system. The technology is available to make reuse of municipal wastewater feasible, as evidence by the closed-loop delivery and discharge system describe in this report. Nevertheless, legal and political concerns make the implementation process arduous and time consuming.

Bowen, W. (Montville Water Pollution Control Authority, Montville, CT (United States)); Scogin, R. (Rand-Whitney Containerboard, L.P., Montville, CT (United States)); Cobery, J.E. (Bingham, Dana and Gould, Boston, MA (United States))

1994-10-01T23:59:59.000Z

347

Characterization of metabolic performance of methanogenic granules treating brewery wastewater: role of sulfate-reducing bacteria.  

Science Journals Connector (OSTI)

...treating brewery wastewater containing...sugar beet wastewater at the sugar...the La Crosse treatment plant (26). The...influent brewery wastewater and effluent...min to reduce mass transfer resistance...analysis. Mass balance experiments...

W M Wu; R F Hickey; J G Zeikus

1991-12-01T23:59:59.000Z

348

Succession of Internal Sulfur Cycles and Sulfur-Oxidizing Bacterial Communities in Microaerophilic Wastewater Biofilms  

Science Journals Connector (OSTI)

...cycle that occurs in wastewater biofilms. One of...activity in developing wastewater biofilms was analyzed...In addition, the mass balance for SO4 2, S0, and...effluent from a domestic wastewater treatment plant (Sapporo, Japan...

Satoshi Okabe; Tsukasa Ito; Kenichi Sugita; Hisashi Satoh

2005-05-01T23:59:59.000Z

349

Polishing of synthetic electroplating wastewater in microcosm upflow constructed wetlands: Effect of operating conditions  

E-Print Network [OSTI]

Polishing of synthetic electroplating wastewater in microcosm upflow constructed wetlands: Effect of polishing electroplating wastewater in subsurface vertical flow constructed wetland. Electroplating wastewater treatment or polishing in constructed wetlands (CWs) was studied to a very limited degree. Four

Paris-Sud XI, Université de

350

The Attainable Set for a Nonlinear Control Model of Wastewater Biotreatment  

E-Print Network [OSTI]

The Attainable Set for a Nonlinear Control Model of Wastewater Biotreatment Ellina Grigorieva;Biotreatment of Wastewater Treatment of wastewater is needed to eliminate pathogens and reduce organic matter

Grigorieva, Ellina V.

351

Waste minimization necessary for solving wastewater problems  

SciTech Connect (OSTI)

Developing and implementing waste minimization procedures to correct the wastewater treatment problem are not as simple as identifying the problem. People cannot solve today's problems with the same kind of thinking that caused the problems. Nonetheless, industry primarily is using traditional treatment technologies to reduce wastewater. most companies are upgrading their wastewater treatment plants and installing treatment equipment in process areas whenever technically and economically feasible. The solution to ensuring wastewater compliance is recycling, waste minimization and moving toward zero discharge. Treating wastewater to the best possible quality still creates residual waste that must be disposed. In addition, regulatory limits continue to increase. Although some facilities can close and have closed the loop in certain processes, industry is pursuing waste minimization and the goal of zero discharge, given existing technology and economics. This, companies must taken an innovative approach to reducing wastewater volume and toxicity at the source.

Melody, M.

1993-07-01T23:59:59.000Z

352

CDC Looks at Links Between Wastewater  

E-Print Network [OSTI]

CDC Looks at Links Between Wastewater and Disease NESC STAFF WRITER Caigan McKenzie Drinking water in food safety, onsite wastewater systems, drinking water safety, recreational water safety, vector con about the public health issues involved in onsite wastewater," Gelting said. "We didn't have much

353

Long-term trends of PBDEs, triclosan, and triclocarban in biosolids from a wastewater treatment plant in the Mid-Atlantic region of the US  

Science Journals Connector (OSTI)

Abstract In the US, land application of biosolids has been utilized in government-regulated programs to recycle valuable nutrients and organic carbon that would otherwise be incinerated or buried in landfills. While many benefits have been reported, there are concerns that these practices represent a source of organic micropollutants to the environment. In this study, biosolids samples from a wastewater treatment plant in the Mid-Atlantic region of the US were collected approximately every 2 months over a 7-year period and analyzed for brominated diphenyl ethers (BDE-47, BDE-99, and BDE-209), triclosan, and triclocarban. During the collection period of 20052011, concentrations of the brominated diphenyl ethers BDE-47+BDE-99 decreased by 42%, triclocarban decreased by 47%, but BDE-209 and triclosan remained fairly constant. Observed reductions in contaminant concentrations could not be explained by different seasons or by volumetric changes of wastewaters arriving at the treatment plant and instead may be the result of the recent phaseout of BDE-47 and BDE-99 as well as potential reductions in the use of triclocarban.

Natasha A. Andrade; Nuria Lozano; Laura L. McConnell; Alba Torrents; Clifford P. Rice; Mark Ramirez

2015-01-01T23:59:59.000Z

354

Quantification and characterization of dissolved organic nitrogen in wastewater effluents by electrodialysis treatment followed by size-exclusion chromatography with nitrogen detection  

Science Journals Connector (OSTI)

Abstract Dissolved organic nitrogen (DON) can act as a precursor of nitrogenous disinfection byproducts during oxidative water treatment. Quantification and characterization of DON are still challenging for waters with high concentrations of dissolved inorganic nitrogen (DIN, including ammonia, nitrate and nitrite) relative to total dissolved nitrogen (TDN) due to the cumulative analytical errors of independently measured nitrogen species (i.e., DON=TDN? NO 2 ? ? NO 3 ? ? NH 4 + /NH3) and interference of DIN species to TDN quantification. In this study, a novel electrodialysis (ED)-based treatment for selective DIN removal was developed and optimized with respect to type of ion-exchange membrane, sample pH, and ED duration. The optimized ED method was then coupled with size-exclusion chromatography with organic carbon, UV, and nitrogen detection (SEC-OCD-ND) for advanced DON analysis in wastewater effluents. Among the tested ion-exchange membranes, the PC-AR anion- and CMT cation-exchange membranes showed the lowest DOC loss (17%) during ED treatment of a wastewater effluent at ambient pH (8.0). A good correlation was found between the decrease of the DIN/TDN ratio and conductivity. Therefore, conductivity has been adopted as a convenient way to determine the optimal duration of the ED treatment. In the pH range of 7.08.3, ED treatment of various wastewater effluents with the PC-AR/CMT membranes showed that the relative residual conductivity could be reduced to less than 0.50 (DIN removal >90%; DIN/TDN ratio ?0.60) with lower DOC losses (6%) than the previous dialysis and nanofiltration methods (DOCloss >10%). In addition, the ED method is shorter (0.5h) than the previous methods (>124h). The relative residual conductivity was further reduced to ?0.20 (DIN removal >95%; DIN/TDN ratio?0.35) by increasing the ED duration to 0.7h (DOC loss=8%) for analysis by SEC-OCD-ND, which provided new information on distribution and ratio of organic carbon and nitrogen in different molecular weight fractions of effluent organic matter.

Kangmin Chon; Yunho Lee; Jacqueline Traber; Urs von Gunten

2013-01-01T23:59:59.000Z

355

Occurrence and fate of pharmaceutically active compounds in the largest municipal wastewater treatment plant in Southwest China: Mass balance analysis and consumption back-calculated model  

Science Journals Connector (OSTI)

Abstract The occurrence and fate of twenty-one pharmaceutically active compounds (PhACs) were investigated in different steps of the largest wastewater treatment plant (WWTP) in Southwest China. Concentrations of these PhACs were determined in both wastewater and sludge phases by a high-performance liquid chromatography coupled with electrospray ionization tandem mass spectrometry. Results showed that 21 target PhACs were present in wastewater and 18 in sludge. The calculated total mass load of PhACs per capita to the influent, the receiving water and sludge were 4.95mgd?1person?1, 889.94?gd?1person?1 and 78.57?gd?1person?1, respectively. The overall removal efficiency of the individual PhACs ranged from negative removal to almost complete removal. Mass balance analysis revealed that biodegradation is believed to be the predominant removal mechanism, and sorption onto sludge was a relevant removal pathway for quinolone antibiotics, azithromycin and simvastatin, accounting for 9.3526.96% of the initial loadings. However, the sorption of the other selected PhACs was negligible. The overall pharmaceutical consumption in Chongqing, China, was back-calculated based on influent concentration by considering the pharmacokinetics of PhACs in humans. The back-estimated usage was in good agreement with usage of ofloxacin (agreement ratio: 72.5%). However, the back-estimated usage of PhACs requires further verification. Generally, the average influent mass loads and back-calculated annual per capita consumption of the selected antibiotics were comparable to or higher than those reported in developed countries, while the case of other target PhACs was opposite.

Qing Yan; Xu Gao; Lei Huang; Xiu-Mei Gan; Yi-Xin Zhang; You-Peng Chen; Xu-Ya Peng; Jin-Song Guo

2014-01-01T23:59:59.000Z

356

Anaerobic treatment of gasifier effluents. Quarterly report  

SciTech Connect (OSTI)

This report summarizes the work performed during the quarter ending December 30, 1981. The major efforts have been directed toward the continued acclimation of two anaerobic treatment systems, start up of a third anaerobic treatment system, GC/MS characterization of the coal gasification wastewater, data acquisition for determination of distribution coefficients for the extraction of phenol from the wastewater using MIBK, and preliminary design of a solvent extraction system for wastewater pretreatment. The progress of these efforts are depicted in the Gannt Chart, along with project expenditures for the above contract, and are presented in detail in the following sections.

Cross, W.H.; Chian, E.S.K.; Pohland, F.G.; Giabbai, M.; Harper, S.R.; Kharkar, S.; Cheng, S.S.; Shuey, P.S.

1982-01-01T23:59:59.000Z

357

Peak Treatment Systems | Open Energy Information  

Open Energy Info (EERE)

Agreement Partnership Year 1998 Link to project description http:www.nrel.govnewspress199804licns.html Peak Treatment Systems is a company located in Golden, CO....

358

Wastewater Discharge Program (Maine) | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Wastewater Discharge Program (Maine) Wastewater Discharge Program (Maine) Wastewater Discharge Program (Maine) < Back Eligibility Agricultural Commercial Construction Fed. Government Fuel Distributor General Public/Consumer Industrial Installer/Contractor Institutional Investor-Owned Utility Local Government Low-Income Residential Multi-Family Residential Municipal/Public Utility Nonprofit Residential Retail Supplier Rural Electric Cooperative Schools State/Provincial Govt Systems Integrator Transportation Tribal Government Utility Savings Category Buying & Making Electricity Program Info State Maine Program Type Siting and Permitting Provider Department of Environmental Protection The wastewater discharge regulations require that a license be obtained for the discharge of wastewater to a stream, river, wetland, or lake of the

359

ED-WAVE: an Educational Software for Training on Wastewater Technologies  

E-Print Network [OSTI]

ED-WAVE: an Educational Software for Training on Wastewater Technologies Using Virtual Application database and case base reasoning in the field of wastewater treatment and water reclamation. ED-WAVE aims education; wastewater technolo- gies; wastewater treatment animations INTRODUCTION SUSTAINABILITY

Gutierrez, Diego

360

Risk of communicable disease infection associated with wastewater irrigation in agricultural settlements  

Science Journals Connector (OSTI)

...Strong wastewater treatment measures, including...AEROSOLS EMITTED BY SEWAGE TREATMENT PLANTS, SCIENCE 169 : 1218...MICROORGANISMS FROM WASTEWATER TREATMENT PROCESSES .1. SUMMARY...of the major water masses that affect this region...

E Katzenelson; I Buium; HI Shuval

1976-11-26T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Estimating odour impact range of a selected wastewater treatment plant for winter and summer seasons in Polish conditions using CALPUFF model  

Science Journals Connector (OSTI)

Odour emission from wastewater treatment plants (WWTP) is a common cause of odour nuisance to neighbouring areas. The analysed object was mechanical biological WWTP designed for 1,200,000 population equivalent. Collection of the samples was carried out in accordance with the methodology described in VDI 3880 and PN-EN 13725 during the rainless weather. Odour concentration measurement was made using the method of dynamic olfactometry, in accordance with the procedures described in EN:13725 'Air Quality: Determination of odour concentration by dynamic olfactometry'. For selected emission sources model calculations were conducted using CALPUFF dispersion model for neighbouring residential areas, which are exceptionally exposed to odours. This study presents results of modelling in local scale, for different meteorological scenarios, respectively for winter and summer seasons.

Izabela Sówka; Maria Skr?towicz; Piotr Sobczy?ski; Jerzy Zwoździak

2014-01-01T23:59:59.000Z

362

Ecology of the Microbial Community Removing Phosphate from Wastewater under Continuously Aerobic Conditions in a Sequencing Batch Reactor  

Science Journals Connector (OSTI)

...with synthetic wastewater eventually containing...the clarified plant effluent (Fig...Using synthetic wastewater. A typical profile...A carbon mass balance based on existing...phosphorus removal in wastewater treatment plants. Antonie Leeuwenhoek...

Johwan Ahn; Sarah Schroeder; Michael Beer; Simon McIlroy; Ronald C. Bayly; John W. May; George Vasiliadis; Robert J. Seviour

2007-02-09T23:59:59.000Z

363

Modeling Urban Storm-Water Quality Treatment: Model Development and Application to a Surface Sand Filter  

E-Print Network [OSTI]

water impacts has led us to the develop- ment of different storm-water treatment strategies. Previous knowledge regarding traditional water treatment systems drink- ing and wastewater and the evaluation

364

Selective hydrolysis of wastewater sludge Part 1, September 2007  

E-Print Network [OSTI]

Report Selective hydrolysis of wastewater sludge Part 1, September 2007 Model calculations and cost "Selective hydrolysis of wastewater sludge" is supported by EnergiNet.DK under the PSO-F&U projects having National Laboratory, Rambøll, the Estate of Overgaard and SamRas. The wastewater treatment plant Esbjerg

365

Selective hydrolysis of wastewater sludge Part 1, December 2008  

E-Print Network [OSTI]

Report Selective hydrolysis of wastewater sludge Part 1, December 2008 Revised Model calculations and cost benefit analysis for Esbjerg Vest wastewater treatment plant, Denmark PSO-F&U project nr. 2006 This project "Selective hydrolysis of wastewater sludge" is supported by EnergiNet .DK under the PSO

366

ENVIRONMENTAL BIOTECHNOLOGY Electricity generation and treatment of paper recycling  

E-Print Network [OSTI]

ENVIRONMENTAL BIOTECHNOLOGY Electricity generation and treatment of paper recycling wastewater production and treatment of a paper recycling plant wastewater using microbial fuel cells. Treatment. Keywords Microbial fuel cell . Paper recycling wastewater. Cellulose . Solution conductivity. Power

367

Engineered nanoparticles in wastewater and wastewater sludge - Evidence and impacts  

SciTech Connect (OSTI)

Nanotechnology has widespread application in agricultural, environmental and industrial sectors ranging from fabrication of molecular assemblies to microbial array chips. Despite the booming application of nanotechnology, there have been serious implications which are coming into light in the recent years within different environmental compartments, namely air, water and soil and its likely impact on the human health. Health and environmental effects of common metals and materials are well-known, however, when the metals and materials take the form of nanoparticles - consequential hazards based on shape and size are yet to be explored. The nanoparticles released from different nanomaterials used in our household and industrial commodities find their way through waste disposal routes into the wastewater treatment facilities and end up in wastewater sludge. Further escape of these nanoparticles into the effluent will contaminate the aquatic and soil environment. Hence, an understanding of the presence, behavior and impact of these nanoparticles in wastewater and wastewater sludge is necessary and timely. Despite the lack of sufficient literature, the present review attempts to link various compartmentalization aspects of the nanoparticles, their physical properties and toxicity in wastewater and wastewater sludge through simile drawn from other environmental streams.

Brar, Satinder K., E-mail: satinder.brar@ete.inrs.c [INRS-ETE, Universite du Quebec, 490, Rue de la Couronne, Quebec, G1K 9A9 (Canada); Verma, Mausam [Department of Biological Engineering, Sexton Campus, Dalhousie University, Halifax, Nova Scotia, Canada B3J 2X4 (Canada); Tyagi, R.D. [INRS-ETE, Universite du Quebec, 490, Rue de la Couronne, Quebec, G1K 9A9 (Canada); Surampalli, R.Y. [US Environmental Protection Agency, P.O. Box 17-2141, Kansas City, KS 66117 (United States)

2010-03-15T23:59:59.000Z

368

Renewable Energy Powered Water Treatment Systems  

E-Print Network [OSTI]

There are many motivations for choosing renewable energy technologies to provide the necessary energy to power water treatment systems for reuse and desalination. These range from the lack of an existing electricity grid, ...

Richards, Bryce S.; Schfer, Andrea

2009-01-01T23:59:59.000Z

369

INTEGRATED WATER TREATMENT SYSTEM PERFORMANCE EVALUATION  

SciTech Connect (OSTI)

This document describes the results of an evaluation of the current Integrated Water Treatment System (IWTS) operation against design performance and a determination of short term and long term actions recommended to sustain IWTS performance.

SEXTON RA; MEEUWSEN WE

2009-03-12T23:59:59.000Z

370

Water treatment facilities (excluding wastewater facilities). (Latest citations from the Selected Water Resources Abstracts database). Published Search  

SciTech Connect (OSTI)

The bibliography contains citations concerning the design, construction, costs, and operation of water treatment facilities. Facilities covered include those that provide drinking water, domestic water, and water for industrial use. Types of water treatment covered include reverse osmosis, chlorination, filtration, and ozonization. Waste water treatment facilities are excluded from this bibliography. (Contains 250 citations and includes a subject term index and title list.)

Not Available

1993-07-01T23:59:59.000Z

371

F/H Effluent Treatment Facility filtration upgrade alternative evaluations overview  

SciTech Connect (OSTI)

The F/H Effluent Treatment Facility (ETF) at the Savannah River Site (SRS) was designed to treat process wastewater from the 200-F/H Production Facilities (routine wastewater) as well as intermittent flows from the F/H Retention Basins and F/H Cooling Water Basins (nonroutine wastewater). Since start-up of the ETF at SRS in 1988, the treatment process has experienced difficulties processing routine and nonroutine wastewater. Studies have identified high bacteria and bacterial decomposition products in the wastewater as the cause for excessive fouling of the filtration system. In order to meet Waste Management requirements for the treatment of processed wastewater, an upgrade of the ETF filtration system is being developed. This upgrade must be able to process the nonroutine wastewater at design capacity. As a result, a study of alternative filter technologies was conducted utilizing simulated wastewater. The simulated wastewater tests have been completed. Three filter technologies, centrifugal polymeric ultrafilters, tubular polymeric ultrafilters, and backwashable cartridge filters have been selected for further evaluation utilizing actual ETF wastewater.

Miles, W.C. Jr.; Poirier, M.R.; Brown, D.F.

1992-07-01T23:59:59.000Z

372

Reciprocating Constructed Wetlands for Treating Industrial, Municipal, and Agricultural Wastewater  

E-Print Network [OSTI]

For many rural communities, treating domestic wastewater efficiently and cost-effectively is a challenging task. Environmental issues, financing of construction costs, and the bottom-line cost to the consumer complicate this effort. Increasingly stringent discharge standards have resulted in a growing number of permit violations from small, conventional treatment systems. Many rural communities have discovered that their existing systems (e.g., facultative lagoons) provided excellent service in the past but have become obsolete due to new discharge standards. These communities simply cannot afford to own and operate the highly sophisticated tertiary treatment facilities these new regulations require. As a result, funding agencies have looked more favorably to regional solutions that can achieve consistent, high-quality discharge. In most cases, the regional solution is a centralized treatment facility to which surrounding communities pump their sewage. In many instances, communities must pump extremely long distances to reach the regional treatment facility. This means that communities, and, therefore, funding agencies, are putting most of their money into pumps and piping instead of treatment. What small rural communities need is a decentralized wastewater treatment system that is inexpensive to construct, simple to operate, and achieves consistently high levels of discharge quality, even with small flows. Having such a system would allow a paradigm shift whereby funding agencies could support decentralized treatment and regional management of numerous decentralized treatment systems.

Go~tiscs~!d P S I; Chuck Donnell; H. Alton Pnvette; Leslie L. Behrends

373

California Food Processing Industry Wastewater Demonstration Project: Phase I Final Report  

E-Print Network [OSTI]

Energy Efficiency and Automated Demand Response in Wastewater Treatment Facilities in California: Phase I Report, summarizes the status and potential

Lewis, Glen

2010-01-01T23:59:59.000Z

374

Solid-Liquid Separation of Animal Manure and Wastewater  

E-Print Network [OSTI]

Solid-liquid separation is an alternative treatment for animal manure and process-generated wastewater. This publication explains the techniques, equipment, performance and economics of separators....

Mukhtar, Saqib; Sweeten, John M.; Auvermann, Brent W.

1999-10-19T23:59:59.000Z

375

Unique process combination decontaminates mixed wastewater at Rocky Flats  

SciTech Connect (OSTI)

This paper describes the Sitewide Water Treatment Facility (SWTF) used to process environmental remediation wastewaters found at the Rocky Flats Environmental Technology Site.

Kelso, William J.; Cirillo, J. Russ

1999-08-01T23:59:59.000Z

376

Field Demonstration of the Performance of Wastewater Treatment Solution (WTS) to Reduce Phosphorus and other Substances from Dairy Lagoon Effluent  

E-Print Network [OSTI]

.1 gal/100 head-day (based on 600 heads). To mimic the repeatability of lagoon treatment, two large tanks were filled with untreated flushed manure to assess the treatment effect on flushed manure from free-stall. Tank 1 (T1) was treated manually on a...

Mukthar, Saqib; Rahman, Shafiqur; Gregory, Lucas

377

Endocrine Active Chemicals, Pharmaceuticals, and Other Chemicals of Concern in Surface Water, Wastewater-  

E-Print Network [OSTI]

, Wastewater- Treatment Plant Effluent, and Bed Sediment, and Biological Characteristics in Selected Streams Chemicals, Pharmaceuticals, and Other Chemicals of Concern in Surface Water, Wastewater- Treatment Plant, and Data, 2009 #12;Front cover. Industrial wastewater-treatment plant outflow in Worthington, Minnesota

378

Enhanced integrated nonthermal treatment system study  

SciTech Connect (OSTI)

The purpose of the Enhanced Nonthermal Treatment Systems (ENTS) study is to evaluate alternative configurations of one of the five systems evaluated in the Integrated Nonthermal Treatment Systems (INTS) study. Five alternative configurations are evaluated. Each is designed to enhance the final waste form performance by replacing grout with improved stabilization technologies, or to improve system performance by improving the destruction efficiency for organic contaminants. AU enhanced systems are alternative configurations of System NT-5, which has the following characteristics: Nonthermal System NT-5: (1) catalytic wet oxidation (CWO) to treat organic material including organic liquids, sludges, and soft (or combustible) debris, (2) thermal desorption of inorganic sludge and process residue, (3) washing of soil and inorganic debris with treatment by CWO of removed organic material, (4) metal decontamination by abrasive blasting, (5) stabilization of treated sludge, soil, debris, and untreated debris with entrained contamination in grout, and (6) stabilization of inorganic sludge, salts and secondary waste in polymer. System NT-5 was chosen because it was designed to treat combustible debris thereby minimizing the final waste form volume, and because it uses grout for primary stabilization. The enhanced nonthermal systems were studied to determine the cost and performance impact of replacing grout (a commonly used stabilization agent in the DOE complex) with improved waste stabilization methods such as vitrification and polymer.

Biagi, C.; Schwinkendorf, B.; Teheranian, B.

1997-02-01T23:59:59.000Z

379

A case study of mercury and methylmercury dynamics in a Hg-contaminated municipal wastewater treatment plant  

Science Journals Connector (OSTI)

A study of total Hg (Hg) and methylmercury (MeHg) was performed in a 40 mgd capacity municipal sewage treatment plant in which elemental Hg was used as ... the Hg seals with mechanical seals. A mass balance condu...

C. C. Gilmour; N. S. Bloom

1995-02-01T23:59:59.000Z

380

A Case Study of Mercury and Methylmercury Dynamics in a Hg-Contaminated Municipal Wastewater Treatment Plant  

Science Journals Connector (OSTI)

A study of total Hg (Hg) and methylmercury (MeHg) was performed in a 40 mgd capacity municipal sewage treatment plant in which elemental Hg was used as ... the Hg seals with mechanical seals. A mass balance condu...

C. C. Gilmour; N. S. Bloom

1995-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Economicenvironmental analysis of handling biogas from sewage sludge digesters in \\{WWTPs\\} (wastewater treatment plants) for energy recovery: Case study of Bekkelaget WWTP in Oslo (Norway)  

Science Journals Connector (OSTI)

Abstract This paper outlines a methodology for a systematic economicenvironmental analysis of realistic and realisable options for recovering and utilising energy from biogas produced in sewage sludge digesters in \\{WWTPs\\} (wastewater treatment plants). Heat, electricity and transport fuel can be produced from biogas, consumed in-plant or even sold to external end-users. The paper initially considers global warming as the environmental impact of concern, but later also stresses on the necessity of avoiding problem shifting by factoring in other environmental impact categories as well. The methodology is subsequently applied to the Bekkelaget WWTP in Oslo (Norway). Five different options for handling biogas are considered, in addition to the status quo the business-as-usual in year-2012, and a baseline case, where it is assumed that all biogas generated is flared completely and not utilised for energy recovery of any kind. Seven different cost scenarios for electricity, natural gas, wood pellets, bio-methane and diesel are constructed. This gives a total of 49 combinations, for each of which the net costs and net environmental impacts (global warming, eutrophication and acidification) are determined for the 10-year period 20122021. The changes (in percentages) with respect to the corresponding values for the baseline case, are recorded; suitable weighting factors are considered after interaction with experts and personnel associated with the plant, and the options are evaluated using this double-bottom-line approach (economic and environmental).

G. Venkatesh; Rashid Abdi Elmi

2013-01-01T23:59:59.000Z

382

Proceedings of the 9th International Conference on Wetland Systems for Water Pollution Control, Avignon, France, 26-30th  

E-Print Network [OSTI]

Protection Act was amended with Act 325 of 14 May concerning wastewater treatment in rural areas (Ministry wastewater treatment plants and industry over the past 15 years, the relative impact of discharge from wetland systems for onsite treatment of domestic sewage Hans Brix Department of Biological Sciences

Brix, Hans

383

Removal of Natural Steroid Hormones from Wastewater Using  

E-Print Network [OSTI]

Removal of Natural Steroid Hormones from Wastewater Using Membrane Contactor Processes J O S H U water resources and increased interest in wastewater reclamation for potable reuse. This interest has in the study of wastewater reuse in advanced life support systems (e.g., space missions) because

384

Emerging contaminants in wastewater and river water: Risks for human water security and aquatic ecosystem sustainability?  

E-Print Network [OSTI]

Emerging contaminants in wastewater and river water: Risks for human water security and aquatic and Environmental Science (BRGM), Orléans, France ; 2 National Research Institute for Rural Engineering, Water systems. Since degradation rates in conventional sewage treatment plants (STP) are rather low, ECs enter

Paris-Sud XI, Université de

385

California Food Processing Industry Wastewater Demonstration Project: Phase I Final Report  

SciTech Connect (OSTI)

Wastewater treatment is an energy-intensive process and electricity demand is especially high during the utilities summer peak electricity demand periods. This makes wastewater treatment facilities prime candidates for demand response programs. However, wastewater treatment is often peripheral to food processing operations and its demand response opportunities have often been overlooked. Phase I of this wastewater demonstration project monitored wastewater energy and environmental data at Bell-Carter Foods, Inc., California's largest olive processing plant. For this monitoring activity the project team used Green Energy Management System (GEMS) automated enterprise energy management (EEM) technologies. This report presents results from data collected by GEMS from September 15, 2008 through November 30, 2008, during the olive harvest season. This project established and tested a methodology for (1) gathering baseline energy and environmental data at an industrial food-processing plant and (2) using the data to analyze energy efficiency, demand response, daily peak load management, and environmental management opportunities at the plant. The Phase I goals were to demonstrate the measurement and interrelationship of electricity demand, electricity usage, and water quality metrics and to estimate the associated CO{sub 2} emissions.

Lewis, Glen; Atkinson, Barbara; Rhyne, Ivin

2009-09-09T23:59:59.000Z

386

A design-for-environment study for plating processes -- Evaluations of wastewater precipitation and separation technologies  

SciTech Connect (OSTI)

A wastewater pollution prevention study was performed for two plating processes. This study included wastewater precipitation process analysis, and evaluation of separation and recycling alternatives. The pollution prevention opportunity assessment goals are: to reduce and reuse wastewater, to develop a design-for-environment plating process, and to conduct a material life-cycle analysis (LCA) for selected materials and with well-defined boundary. From an analysis of coordination chemistry and a series of precipitation process tests, it was found that treatment with optimized pH and mixing rate, proper coprecipitants (such as iron salts), and chemical dosages were needed to dissociate metal ions from the chelated complexes (Cu-EDTA) in the wastewater. In this study, reverse osmosis and ion exchange, separation/recycling technologies were also evaluated. A water reclamation project with these two technologies was implemented. The analysis indicated, that with recycling systems, 33% of the wastewater could be reclaimed and more than 90% of reduction of copper in wastewater was achieved. With the LCA, a greener approach was implemented to reduce the wasted parts disposal problems.

Chang, L.Y. [Lawrence Berkeley National Lab., CA (United States)

1995-12-31T23:59:59.000Z

387

In-tank recirculating arsenic treatment system  

DOE Patents [OSTI]

A low-cost, water treatment system and method for reducing arsenic contamination in small community water storage tanks. Arsenic is removed by using a submersible pump, sitting at the bottom of the tank, which continuously recirculates (at a low flow rate) arsenic-contaminated water through an attached and enclosed filter bed containing arsenic-sorbing media. The pump and treatment column can be either placed inside the tank (In-Tank) by manually-lowering through an access hole, or attached to the outside of the tank (Out-of-Tank), for easy replacement of the sorption media.

Brady, Patrick V. (Albuquerque, NM); Dwyer, Brian P. (Albuquerque, NM); Krumhansl, James L. (Albuquerque, NM); Chwirka, Joseph D. (Tijeras, NM)

2009-04-07T23:59:59.000Z

388

Forward osmosis niches in seawater desalination and wastewater reuse  

Science Journals Connector (OSTI)

Abstract This review focuses on the present status of forward osmosis (FO) niches in two main areas: seawater desalination and wastewater reuse. Specific applications for desalination and impaired-quality water treatment and reuse are described, as well as the benefits, advantages, challenges, costs and knowledge gaps on FO hybrid systems are discussed. FO can play a role as a bridge to integrate upstream and downstream water treatment processes, to reduce the energy consumption of the entire desalination or water recovery and reuse processes, thus achieving a sustainable solution for the water-energy nexus. FO hybrid membrane systems showed to have advantages over traditional membrane process like high pressure reverse osmosis and nanofiltration for desalination and wastewater treatment: (i) chemical storage and feed water systems may be reduced for capital, operational and maintenance cost, (ii) water quality is improved, (iii) reduced process piping costs, (iv) more flexible treatment units, and (v) higher overall sustainability of the desalination and wastewater treatment process. Nevertheless, major challenges make FO systems not yet a commercially viable technology, the most critical being the development of a high flux membrane, capable of maintaining an elevated salt rejection and a reduced internal concentration polarization effect, and the availability of appropriate draw solutions (cost effective and non-toxic), which can be recirculated via an efficient recovery process. This review article highlights the features of hybrid FO systems and specifically provides the state-of-the-art applications in the water industry in a novel classification and based on the latest developments toward scaling up these systems.

R. Valladares Linares; Z. Li; S. Sarp; Sz.S. Bucs; G. Amy; J.S. Vrouwenvelder

2014-01-01T23:59:59.000Z

389

Reducing effluent discharge and recovering bioenergy in an osmotic microbial fuel cell treating domestic wastewater  

E-Print Network [OSTI]

domestic wastewater Zheng Ge, Qingyun Ping, Li Xiao, Zhen He Department of Civil Engineering and Mechanics cell is developed to treat domestic wastewater. Wastewater effluent can be greatly reduced due to osmotic water extraction. Bioenergy recovered from wastewater can potentially support pumping system

390

Phylogenetic Analysis of Bacterial Communities in Mesophilic and Thermophilic Bioreactors Treating Pharmaceutical Wastewater  

Science Journals Connector (OSTI)

...a full-scale industrial wastewater treatment facility consisting...AND METHODS Study site. The wastewater treatment facility consists...exceeding 45C without cell recycling, due to poor bacterial flocculation...oxygen demand of the untreated wastewater has historically varied between...

Timothy M. LaPara; Cindy H. Nakatsu; Lisa Pantea; James E. Alleman

2000-09-01T23:59:59.000Z

391

Analysis of Ammonia Loss Mechanisms in Microbial Fuel Cells Treating Animal Wastewater  

E-Print Network [OSTI]

ARTICLE Analysis of Ammonia Loss Mechanisms in Microbial Fuel Cells Treating Animal Wastewater Jung.interscience.wiley.com). DOI 10.1002/bit.21687 ABSTRACT: Ammonia losses during swine wastewater treatment were examined using manure; electricity; power generation Introduction Wastewater treatment using microbial fuel cells (MFCs

392

Journal of Membrane Science 257 (2005) 111119 Membrane contactor processes for wastewater reclamation in space  

E-Print Network [OSTI]

Journal of Membrane Science 257 (2005) 111­119 Membrane contactor processes for wastewater for treatment of metabolic wastewater Tzahi Y. Cath, Dean Adams, Amy E. Childress University of Nevada of an innovative dual membrane contactor process for treatment of combined hygiene and metabolic wastewater

393

Reusing rinse wastewater at a semiconductor plant  

SciTech Connect (OSTI)

Two pilot rinse wastewater reuse projects were developed as part of a long-term water conservation program for a Motorola semiconductor manufacturing site in Phoenix, Ariz. The conceptual designs for the projects grew out of a detailed wastewater reuse study that characterized wastewater streams at their generation points. Both treatment techniques were specifically researched, bench-tested, and adapted to further water conservation efforts while ensuring 100 percent compliance with appropriate effluent regulations and industrial discharge permit conditions. Together, the pilot projects save the city of Phoenix approximately 45 mil gal (17 {times} 10{sup 4} m{sup 3}) of water annually.

Shah, A.R. [Motorola SCG, McDowell, MD (United States). Environmental, Safety, and Industrial Hygiene Dept.; Ploeser, J.H. [Phoenix Water Services Dept., AZ (United States). Water Conservation Office

1999-08-01T23:59:59.000Z

394

The application of PHREEQCi, a geochemical computer program, to aid in the management of a wastewater treatment wetland  

E-Print Network [OSTI]

-Volatile Compounds Pol chlorinated Bi hen ls 1. 5-25. 9 128-1190 ND-0. 2 ND 2. 9-5. 0 1170-1800 0. 5-3. 1 ND-0. 1 1. 0-17. 1 0. 3-1, 6 42-366 2-4 2860-6340 ND-241 ND-0. 9 ND-0. 1 0. 088-2. 155 0. 03-0. 07 37. 88-174. 84 ND ND-0. 02 ND-1. 31 ND... to Enhance Treatment Capability at the TMPA Site. . Step 1 . . Step 2. . Step 3 . . Page nl IV V I I IX 4 4 10 10 13 18 18 20 26 26 28 29 29 32 32 33 33 36 43 43 44 55 59 59 59 62 62 64 64 CONCLUSIONS . . PHREEQCI...

Mitzman, Stephanie

1999-01-01T23:59:59.000Z

395

The accumulation of nonylphenol in a wastewater recycling process  

Science Journals Connector (OSTI)

A mathematical model was developed in this paper to describe the nonylphenol (NP) accumulation in the effluent of a wastewater recycling system. The model quantitatively presented the relationships among the NP concentrations in the raw wastewater and the system effluent, the number of wastewater recycling cycles, the water recycling ratio, the system NP removal efficiency, and the NP accumulation factor. The mathematical model was then verified through experimental modeling of a wastewater recycling process, and it was indicated that the Pearson correlation coefficient between mathematical simulation and experimental modeling results was 0.652. The study results indicated that the NP accumulation factor of a wastewater recycling system would approach a constant for large number of wastewater recycling cycles given the wastewater recycling ratio and system NP removal efficiency. The results also revealed that the NP concentration in the effluent increased with the wastewater recycling ratio given the system NP removal efficiency, and the increase of NP removal efficiency would decrease the NP accumulation in the system effluent under a given wastewater recycling ratio condition. The model was then applied to compute the maximum wastewater recycling ratio, predict reclaimed water quality and direct the design and management of sewage recycling systems in China.

Rui-Xia Hao; Yu-Wen Zhou; Shui-Yuan Cheng; Jian-Bing Li; Man Zhao; Xi Chen; Ning Yao

2008-01-01T23:59:59.000Z

396

SUSTAINABLE SEWAGE TREATMENT AND RE-USE IN DEVELOPING COUNTRIES  

E-Print Network [OSTI]

technological knowledge and empirical Know-How of wastewater treatment processes and their implementation; also

Walid Abdel-halim; Dirk Weichgrebe; K. -h. Rosenwinkel; Johan Verink

397

High throughput chemical munitions treatment system  

SciTech Connect (OSTI)

A new High-Throughput Explosive Destruction System is disclosed. The new system is comprised of two side-by-side detonation containment vessels each comprising first and second halves that feed into a single agent treatment vessel. Both detonation containment vessels further comprise a surrounding ventilation facility. Moreover, the detonation containment vessels are designed to separate into two half-shells, wherein one shell can be moved axially away from the fixed, second half for ease of access and loading. The vessels are closed by means of a surrounding, clam-shell type locking seal mechanisms.

Haroldsen, Brent L. (Manteca, CA); Stofleth, Jerome H. (Albuquerque, NM); Didlake, Jr., John E. (Livermore, CA); Wu, Benjamin C-P (San Ramon, CA)

2011-11-01T23:59:59.000Z

398

Characterization and biotoxicity assessment of dissolved organic matter in RO concentrate from a municipal wastewater reclamation reverse osmosis system  

Science Journals Connector (OSTI)

Abstract Reverse osmosis (RO) concentrate from municipal wastewater reclamation reverse osmosis (mWRRO) system containing organic compounds may associate with toxic risk, and its discharge might pose an environmental risk. To identify a basis for the selection of feasible technology in treating RO concentrates, the characteristics and biotoxicity of different fractions of dissolved organic matter (DOM) in RO concentrates from an mWRRO system were investigated. The results indicated that the hydrophilic neutrals (HIN), hydrophobic acids (HOA) and hydrophobic bases (HOB) accounted for 96% of the dissolved organic carbon (DOC) of the total DOM in the RO concentrate. According to the SEC chromatograph detected at 254nm wavelength of UV, the DOM with molecular weight (MW) 13kDa accounted for the majority of the basic and neutral fractions. The fluorescence spectra of the excitation emission matrix (EEM) indicated that most aromatic proteins, humic/fulvic acid-like and soluble microbial by-product-like substances existed in the fractions HOA and hydrophobic neutrals (HON). The genotoxicity and anti-estrogenic activity of the RO concentrate were 1795.657.2?g4-NQOL?1 and 2.190.05mgTAML?1, respectively. The HIN, HOA, and HOB contributed to the genotoxicity of the RO concentrate, and the HIN was with the highest genotoxic level of 1007.994.8?g4-NQOL?1. The HOA, HON, and HIN lead to the total anti-estrogenic activity of the RO concentrate, and HOA occupied approximately 60% of the total, which was 1.30.17mgTAML?1.

Ying-Xue Sun; Yue Gao; Hong-Ying Hu; Fang Tang; Zhe Yang

2014-01-01T23:59:59.000Z

399

E-Print Network 3.0 - advanced sewage treatment Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Summary: , of confirm, the health of an on-lot sewage system. PSMA On-lot Wastewater Treatment Inspection Vs... F 168On-lot Sewage Disposal Resources Available Through the...

400

On-Site Wastewater Treatment Systems: Gravel-less Pipe (Spanish)  

E-Print Network [OSTI]

Tanque s?ptico de dos compartimientos Campo de absorci?n Tuber?a sin grava L-5343S 8-00 Figura 1: La tuber?a sin grava es flexible y puede ponerse en zanjas siguiendo las curvas a nivel en suelos con pendiente. Sistemas individuales para el... tratamiento de aguas negras Tuber?a sin grava Bruce Lesikar, Juan Enciso y Russell Persyn Promotores Especialistas de Ingenier?a Agr?cola, Promotor Adjunto de Conservaci?n de Agua El Sistema Universitario Texas A&M L os sistemas de tuber?a sin grava...

Lesikar, Bruce J.; Enciso, Juan

2000-10-13T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

On-Site Wastewater Treatment Systems: Septic Tank/Soil Absorption Field (Spanish)  

E-Print Network [OSTI]

Campo de absorci?nTanque s?ptico de dos compartimientos Tuber?a perforada para distribuir residuales Suelo arenoso/limoso Grava Tela geotextil L-5227S 8-00 Figura 1: Una fosa s?ptica y un sistema de campo de absorci?n. Sistemas individuales para el... tratamiento de aguas negras Fosa s?ptica y campo de absorci?n Bruce Lesikar y Juan Enciso Promotores Especialistas de Ingenier?a Agr?cola El Sistema Universitario Texas A&M L a fosa s?ptica y el sistema de campo de absorci?n es el m?todo m?s econ...

Lesikar, Bruce J.; Enciso, Juan

2000-10-13T23:59:59.000Z

402

Design of a constructed wetland system for treatment of copper-contaminated wastewater  

Science Journals Connector (OSTI)

...U.S. Department of Energy facility established...detritus for providing renewable organic binding sites...U.S. Department of Energy through the South Carolina...environment in southern Brazil: International Journal...U.S. Department of Energy's Savannah River Site...

George M. Huddleston III; John H. Rodgers; Jr.

403

Analysis of a pilot-scale constructed wetland treatment system for flue gas desulfurization wastewater.  

E-Print Network [OSTI]

??Coal-fired generation accounts for 45% of the United States electricity and generates harmful emissions, such as sulfur dioxide. With the implementation of Flue Gas Desulfurization (more)

Talley, Mary Katherine

2012-01-01T23:59:59.000Z

404

CRS 25-10-101 On-site Wastewater Treatment Systems Act | Open...  

Open Energy Info (EERE)

causes of disease, infection, and aerosol contamination; and c) To reduce and control the pollution of the air, land, and water. Published NA Year Signed or Took Effect 2012 Legal...

405

Wastewater management utilizing land application for the Boston Harbor-Eastern Massachusetts Metropolitan Area. Technical data. Volume 5  

SciTech Connect (OSTI)

The U.S. Army Corps of Engineers, NED, in cooperation with several agencies under the administration of the Technical Subcommittee on Boston Harbor, is directing a segment of the Wastewater Management Study for Eastern Massachusetts which proposed the utilization of land application methods to further treat and make use of conventionally treated wastewaters. The entire wastewater management study for Eastern Massachusetts consisted of five alternatives. Four of the conceptual alternatives are being prepared under the direction of the Metropolitan District Commission (MDC). The land application alternative is labeled Concept 5 and provides land application treatment for effluents from five of the regional waste treatment plant locations described in Concept 4. The report presented herein constitutes the land-oriented treatment system known as Concept 5.

NONE

1995-06-01T23:59:59.000Z

406

Mobilization of plasmid pHSV106 from Escherichia coli HB101 in a laboratory-scale waste treatment facility.  

Science Journals Connector (OSTI)

...approximating that of an actual wastewater treatment plant) did not prevent plas...proportionally) those of an actual wastewater treatment plant, which suggests that there...R-plasmid transfer in wastewater treatment plant. Appl. Environ. Microbiol...

P Mancini; S Fertels; D Nave; M A Gealt

1987-04-01T23:59:59.000Z

407

Identification and Isolation of Anaerobic, Syntrophic Phthalate Isomer-Degrading Microbes from Methanogenic Sludges Treating Wastewater from Terephthalate Manufacturing  

Science Journals Connector (OSTI)

...Electron balance was calculated...Anaerobic pre-treatment of petrochemical...terephthalic acid wastewater. Water Sci...treatment of wastewater at low temperatures...Anaerobic treatment of a petrochemical wastewater from a terephthalic acid plant. Water Sci...Sunderland, Mass. 34 Tasaki...

Yan-Ling Qiu; Yuji Sekiguchi; Hiroyuki Imachi; Yoichi Kamagata; I-Cheng Tseng; Sheng-Shung Cheng; Akiyoshi Ohashi; Hideki Harada

2004-03-01T23:59:59.000Z

408

Nanotechnology for a Safe and Sustainable Water Supply: Enabling Integrated Water Treatment and Reuse  

Science Journals Connector (OSTI)

Nanotechnology for a Safe and Sustainable Water Supply: Enabling Integrated Water Treatment and Reuse ... Although existing infrastructure contributes inertia against a paradigm shift, these immense challenges call for a change toward integrated management of water and wastewater with a decentralized, differential treatment and reuse paradigm where water and wastewater are treated to the quality dictated by the intended use. ... Nanotechnology will likely play a critical role, not only supplementing and enhancing existing processes, but also facilitating the transformation of water supply systems toward a distributed differential treatment paradigm that integrates wastewater reuse with energy neutral operations, lower residuals production, and safer water quality. ...

Xiaolei Qu; Jonathon Brame; Qilin Li; Pedro J. J. Alvarez

2012-06-27T23:59:59.000Z

409

Organic removal from domestic wastewater by activated alumina adsorption  

E-Print Network [OSTI]

of the major groups of pollutants in wastewaters. Adsorption by granular activated carbon, a non-polar adsorbent, is now the primary treatment process for removal of residual organics from biologically treated wastewater. The ability of activated alumina..., which is a polar adsorbent, to remove total organic carbon (TOC) and some trace organics from domestic wastewater has been evaluated. Batch adsorption experiments were used to investigate the effect of pH and total dissolved solids on activated...

Yang, Pe-Der

2012-06-07T23:59:59.000Z

410

Wastewater reclamation and reuse in a petrochemical plant  

SciTech Connect (OSTI)

A large petrochemical plant located in a water-limited area is a major water user. The plant is facing a critical water problem because of several factors: (1) the raw water total dissolved solids (TDS) content has been increasing, (2) water rationing, which limits plant production, occurs during drought periods, (3) the plant is planning for a major expansion that requires major additional water supply, and (4) there is persistent community pressure for wastewater discharge reduction. A water resource management and planning study was conducted for this plant to resolve the water problem. This chapter describes the results of the study and the design of a pilot plant program for the testing of a wastewater treatment and recycling system.

Wong, J.M. [Brown and Caldwell, Pleasant Hill, CA (United States)

1996-11-01T23:59:59.000Z

411

Destruction and formation of PCDD/Fs in a fluidised bed combustor co-incinerating automotive shredder residue with refuse derived fuel and wastewater treatment sludge  

Science Journals Connector (OSTI)

During an eight day trial automotive shredder residue (ASR) was added to the usual waste feed of a Fluidized Bed Combustor (FBC) for waste-to-energy conversion; the input waste mix consisted of 25% ASR, 25% refuse-derived fuel (RDF) and 50% wastewater treatment (WWT) sludge. All inputs and outputs were sampled and the concentration of the 17 PCDD/Fs with TEF-values was determined in order to obtain PCDD/F fingerprints. The ASR contained approximately 9000ng PCDD/Fs/kgDW, six times more than the RDF and 10 times more than the WWT sludge. The fingerprint of ASR and RDF was dominated by HpCDD and OCDD, which accounted for 90% of the total PDDD/F content, whereas the WWT sludge contained relatively more HpCDFs and OCDF (together 70%). The flue gas cleaning residue (FGCR) and fly and boiler ash contained approximately 30,000 and 2500ng PCDD/Fs/kgDW, respectively. The fingerprints of these outputs were also dominated by HpCDFs and OCDF. The bottom ash contained only OCDD and OCDF, in total 8ng PCDD/Fs/kgDW. From the comparison of the bottom ash fingerprints with the fingerprints of the other output fractions and of the inputs, it could be concluded that the PCDD/Fs in the waste were destroyed and new PCDD/Fs were formed in the post combustion process by de novo synthesis. During the ASR-co-incineration, the PCDD/F congener concentrations in the fly and boiler ash, FGCR and flue gas were 1.2510 times higher compared to the same output fractions generated during incineration of the usual waste mix (70% RDF and 30% WWT sludge). The concentration of the higher chlorinated PCDD/Fs increased most. As these congeners have the lowest TEF-factors, the total PCDD/F output, expressed in kg TEQ/year, of the FBC did not increase significantly when ASR was co-incinerated. Due to the relatively high copper levels in the ASR, the copper concentrations in the \\{FBCs\\} outputs increased. As copper catalysis the de novo syntheses, this could explain the increase in PCDD/F concentrations in these outputs.

J. Van Caneghem; I. Vermeulen; C. Block; A. Van Brecht; P. Van Royen; M. Jaspers; G. Wauters; C. Vandecasteele

2012-01-01T23:59:59.000Z

412

Computer program design for land treatment systems  

SciTech Connect (OSTI)

Municipal Sludge Land Application expert System (MuSLAXS)is as expert system developed for site assessment and design analysis of municipal sludge application on agricultural land. The system has knowledge on the technical and regulatory aspects of sludge land application and understanding of soil-plant systems for South Carolina. It can be effectively used outside South Carolina with modifications to incorporate specific regulations on land treatment and soil and crop database. A database supports this expert system and provides appropriate default values for sludge and soil characteristics, and fertilizer recommendations for crops commonly grown in South Carolina. Information on the sludge characteristics is gathered from the user, if it is available, or it is retrieved from the sludge database. Based on the recommendations by the EPA and the expert, a list of 22 constituents, for which the sludge should be analyzed is developed. This list includes: total solids, volatile solids, total nitrogen (TNK), ammonia-nitrogen, organic-nitrogen, phosphorus, potassium, sulfur, cadmium, copper, lead, nickel, zinc, PCBs, calcium, magnesium, chromium, boron, arsenic, aluminum, cobalt, and molybdenum.

White, R.K. (Clemson Univ. SC (USA)); Jantrania, A.

1989-10-01T23:59:59.000Z

413

Medical waste treatment and decontamination system  

DOE Patents [OSTI]

The invention discloses a tandem microwave system consisting of a primary chamber in which hybrid microwave energy is used for the controlled combustion of materials. A second chamber is used to further treat the off-gases from the primary chamber by passage through a susceptor matrix subjected to additional hybrid microwave energy. The direct microwave radiation and elevated temperatures provide for significant reductions in the qualitative and quantitative emissions of the treated off gases. The tandem microwave system can be utilized for disinfecting wastes, sterilizing materials, and/or modifying the form of wastes to solidify organic or inorganic materials. The simple design allows on-site treatment of waste by small volume waste generators.

Wicks, George G. (Aiken, SC); Schulz, Rebecca L. (Aiken, SC); Clark, David E. (Gainesville, FL)

2001-01-01T23:59:59.000Z

414

BEHAVIOR CANOLA (BRASSICA NAPUS) FOLLOWING A SEWAGE SLUDGE TREATMENT  

E-Print Network [OSTI]

. INTRODUCTION In Tunisia, the amount of sludge produced by wastewater treatment stations is constantly waste water treatment stations, in other words, most of it is wastewater from domestic sources. The second type is obtained from the treatment of industrial wastewater or partly from industrial wastewater

Boyer, Edmond

415

Electrodialysis Treatment of Refinery Wastewater  

Science Journals Connector (OSTI)

Water is fundamental in the oil refining process,...3 water being consumed per m3 of oil processed. Water is used in the oil refining process ... general. Industries are having difficulties in obtaining water due...

Mara de Barros Machado; Vnia M. J. Santiago

2014-01-01T23:59:59.000Z

416

Nearshore circulation revealed by wastewater discharge from a submarine outfall,Aveiro Coast, Portugal Hydrology and Earth System Sciences, 6(6), 983989 (2002) EGS  

E-Print Network [OSTI]

Nearshore circulation revealed by wastewater discharge from a submarine outfall,Aveiro Coast by wastewater discharge from a submarine outfall, Aveiro Coast, Portugal J. Figueiredo da Silva1 , R.W. Duck2 in a prevailing upwelling circulation over the continental shelf. A submarine outfall releases wastewater

Paris-Sud XI, Université de

417

K West integrated water treatment system subproject safety analysis document  

SciTech Connect (OSTI)

This Accident Analysis evaluates unmitigated accident scenarios, and identifies Safety Significant and Safety Class structures, systems, and components for the K West Integrated Water Treatment System.

SEMMENS, L.S.

1999-02-24T23:59:59.000Z

418

Design and study of a risk management criterion for an unstable anaerobic wastewater  

E-Print Network [OSTI]

Design and study of a risk management criterion for an unstable anaerobic wastewater treatment an unstable biological process used for wastewater treat- ment. This anaerobic digestion ecosystem can have popular bioprocess (Angelidaki et al., 2003) that treats wastewater and at the same time produces energy

Bernard, Olivier

419

Models for Optimization of Energy Consumption of Pumps in a Wastewater Processing Plant  

E-Print Network [OSTI]

Models for Optimization of Energy Consumption of Pumps in a Wastewater Processing Plant Zijun Zhang in the wastewater preliminary treatment process is discussed. Data- mining algorithms are utilized to develop pump performance models based on industrial data collected at a municipal wastewater processing plant

Kusiak, Andrew

420

wastewater_sink_disposal_guidance.docx Revision Date: 10/26/2012 Page 1 of 3  

E-Print Network [OSTI]

wastewater_sink_disposal_guidance.docx Revision Date: 10/26/2012 Page 1 of 3 LABORATORY & BUILDING limitations and prohibitions established by the local wastewater treatment authority, the Massachusetts Water for wastewater disposal purposes is strictly prohibited. Hazardous Wastes: Hazardous wastes are prohibited from

Heller, Eric

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Performance of a mixing entropy battery alternately flushed with wastewater effluent and  

E-Print Network [OSTI]

Performance of a mixing entropy battery alternately flushed with wastewater effluent and seawater. Coastal wastewater treatment plants discharge a continuous stream of low salinity effluent to the ocean cell, the net energy recovery was 0.11 kW h per m3 of wastewater effluent. When twelve cells were

Cui, Yi

422

RECOMMENDED GUIDELINES FOR WASTEWATER CHARACTERIZATION  

E-Print Network [OSTI]

#12;RECOMMENDED GUIDELINES FOR WASTEWATER CHARACTERIZATION IN THE FRASER RIVER BASIN VOLUME II Ont. June 1993 Amended April 1994 #12;GUIDELINES FOR WASTEWATER CHARACTERIZATION PREFACE Ltd., Calgary, Alberta. #12;GUIDELINES FOR WASTEWATER CHARACTERIZATION EXECUTIVE SUMMARY The Fraser

423

RECOMMENDATIONS FOR EFFECTIVE SEPTIC SYSTEM MANAGEMENT IN THE  

E-Print Network [OSTI]

stated that, "properly managed [and sited] decentralized wastewater systems can provide the treatment were historically rural with many small communities but few large cities. Due to their close proximity of the wastewater forms the middle layer, called clarified sewage (or liquid effluent). Solids in the tank undergo

Rosemond, Amy Daum

424

Presence and Distribution of Organic Wastewater Compounds in Wastewater,  

E-Print Network [OSTI]

Presence and Distribution of Organic Wastewater Compounds in Wastewater, Surface, Ground.W., Meyer, M.T., and Zaugg, S.D., 2004, Presence and distri- bution of organic wastewater compounds in wastewater, surface, ground, and drinking waters, Minnesota, 2000-02: U.S. Geological Survey Scientific

425

E-Print Network 3.0 - aerobic wastewater biofilms Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Membrane... biofilm reactor Introduction One of the major challenges in wastewater treatment is achieving effective... et al. 2004). Nitrifying bacteria grow in the deep,...

426

Rules Governing Water and Wastewater Operator Certification (Tennessee) |  

Broader source: Energy.gov (indexed) [DOE]

Rules Governing Water and Wastewater Operator Certification Rules Governing Water and Wastewater Operator Certification (Tennessee) Rules Governing Water and Wastewater Operator Certification (Tennessee) < Back Eligibility Agricultural Commercial Construction Developer Fuel Distributor General Public/Consumer Industrial Installer/Contractor Institutional Investor-Owned Utility Local Government Municipal/Public Utility Nonprofit Rural Electric Cooperative Schools State/Provincial Govt Systems Integrator Transportation Tribal Government Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Tennessee Program Type Environmental Regulations Siting and Permitting Provider Tennessee Department Of Environment and Conservation The Rules Governing Water and Wastewater Operator Certification are

427

Wastewater heat recovery method and apparatus  

DOE Patents [OSTI]

This invention is comprised of a heat recovery system with a heat exchanger and a mixing valve. A drain trap includes a heat exchanger with an inner coiled tube, baffle plate, wastewater inlet, wastewater outlet, cold water inlet, and preheated water outlet. Wastewater enters the drain trap through the wastewater inlet, is slowed and spread by the baffle plate, and passes downward to the wastewater outlet. Cold water enters the inner tube through the cold water inlet and flows generally upward, taking on heat from the wastewater. This preheated water is fed to the mixing valve, which includes a flexible yoke to which are attached an adjustable steel rod, two stationary zinc rods, and a pivoting arm. The free end of the arm forms a pad which rests against a valve seat. The rods and pivoting arm expand or contract as the temperature of the incoming preheated water changes. The zinc rods expand more than the steel rod, flexing the yoke and rotating the pivoting arm. The pad moves towards the valve seat as the temperature of the preheated water rises, and away as the temperature falls, admitting a variable amount of hot water to maintain a nearly constant average process water temperature.

Kronberg, J.W.

1991-01-01T23:59:59.000Z

428

A cost-effectiveness analysis of water security and water quality: impacts of climate and land-use change on the River Thames system  

Science Journals Connector (OSTI)

...there are point sources from wastewater treatment plants (WWTPs...directives, including the Urban Wastewater Treatment Directive, WFD...practice in treatment and reuse/recycling of phosphorus at wastewater treatment works. Report no...

2013-01-01T23:59:59.000Z

429

Wastewater recycling and heat reclamation at the Red Lion Central Laundry, Portland, Oregon  

SciTech Connect (OSTI)

This report discusses water, energy, and cost savings that can be achieved in a commercial laundry through the use of a wastewater recycling and heat recovery system. Cost savings are achieved through reductions in water use, reduction in sewage charges, reductions in water heating energy, and potential reductions in water treatment chemicals. This report provides an economic analysis of the impact of capital investment, daily consumption, and local utility rates on the payback period.

Garlick, T.F.; Halverson, M.A.; Ledbetter, M.R.

1996-09-01T23:59:59.000Z

430

Low-Dissolved-Oxygen Nitrifying Systems Exploit Ammonia-Oxidizing Bacteria with Unusually High Yields  

Science Journals Connector (OSTI)

...with what is required in wastewater treatment plants (WWTPs), probably because...Nevertheless, stable wastewater treatment plants with extensive aeration...biological nutrient removal wastewater treatment plants. Water Res. 44 :831-844...

Micol Bellucci; Irina D. Ofi?eru; David W. Graham; Ian M. Head; Thomas P. Curtis

2011-09-16T23:59:59.000Z

431

Use advanced methods to treat wastewater  

SciTech Connect (OSTI)

Common sense guidelines offer plausible, progressive techniques to treat wastewater. Because current and pending local, state and federal regulations are ratcheting lower effluent discharge limits, familiar treatment methods, such as biological, don't meet new restrictions. Now operating facilities must combine traditional methods with advanced remedial options such as thermal, physical, electro and chemical treatments. these new techniques remove organics, metals, nonhazardous dissolved salts, etc., but carry higher operating and installation costs. Due to tighter effluent restrictions and pending zero-discharge initiatives, managers of operating facilities must know and understand the complexity, composition and contaminant concentration of their wastewaters. No one-size-fits-all solution exists. However, guidelines can simplify decision making and help operators nominate the most effective and economical strategy to handle their waste situation. The paper describes the common treatment and the importance of alternatives, then describes biological, electro, physical, thermal, and chemical treatments.

Davis, M. (Litwin Engineers and Constructors, Inc., Houston, TX (United States))

1994-08-01T23:59:59.000Z

432

Separation of Tritium from Wastewater  

SciTech Connect (OSTI)

A proprietary tritium loading bed developed by Molecular Separations, Inc (MSI) has been shown to selectively load tritiated water as waters of hydration at near ambient temperatures. Tests conducted with a 126 {micro}C{sub 1} tritium/liter water standard mixture showed reductions to 25 {micro}C{sub 1}/L utilizing two, 2-meter long columns in series. Demonstration tests with Hanford Site wastewater samples indicate an approximate tritium concentration reduction from 0.3 {micro}C{sub 1}/L to 0.07 {micro}C{sub 1}/L for a series of two, 2-meter long stationary column beds Further reduction to less than 0.02 {micro}C{sub 1}/L, the current drinking water maximum contaminant level (MCL), is projected with additional bed media in series. Tritium can be removed from the loaded beds with a modest temperature increase and the beds can be reused Results of initial tests are presented and a moving bed process for treating large quantities of wastewaters is proposed. The moving bed separation process appears promising to treat existing large quantities of wastewater at various US Department of Energy (DOE) sites. The enriched tritium stream can be grouted for waste disposition. The separations system has also been shown to reduce tritium concentrations in nuclear reactor cooling water to levels that allow reuse. Energy requirements to reconstitute the loading beds and waste disposal costs for this process appear modest.

JEPPSON, D.W.

2000-01-25T23:59:59.000Z

433

Integrated thermal treatment system sudy: Phase 2, Results  

SciTech Connect (OSTI)

This report presents the second phase of a study on thermal treatment technologies. The study consists of a systematic assessment of nineteen thermal treatment alternatives for the contact-handled mixed low-level waste (MLLW) currently stored in the US Department of Energy complex. The treatment alternatives consist of widely varying technologies for safely destroying the hazardous organic components, reducing the volume, and preparing for final disposal of the MLLW. The alternatives considered in Phase 2 were innovative thermal treatments with nine types of primary processing units. Other variations in the study examined the effect of combustion gas, air pollution control system design, and stabilization technology for the treatment residues. The Phase 1 study, the results of which have been published as an interim report, examined ten initial thermal treatment alternatives. The Phase 2 systems were evaluated in essentially the same manner as the Phase 2 systems. The assumptions and methods were the same as for the Phase 1 study. The quantities, and physical and chemical compositions, of the input waste used in he Phase 2 systems differ from those in the Phase 1 systems, which were based on a preliminary waste input database developed at the onset of the Integrated Thermal Treatment System study. The inventory database used in the Phase 2 study incorporates the latest US Department of Energy information. All systems, both primary treatment systems and subsystem inputs, have now been evaluated using the same waste input (2,927 lb/hr).

Feizollahi, F.; Quapp, W.J.

1995-08-01T23:59:59.000Z

434

Wastewater reclamation and reuse  

Science Journals Connector (OSTI)

Municipal wastewater reclamation and reuse has been practiced for ... are emphasized with several examples of successful water recycling on a worldwide basis given. The discussion ... This is to be distinguishedf...

R. D. Heaton

1981-01-01T23:59:59.000Z

435

Performances evaluation of phosphorus removal by apatite in constructed wetlands treating domestic wastewater: Column and pilot experiments  

E-Print Network [OSTI]

wastewater: Column and pilot experiments Najatte Harouiyaa , Stéphanie Prost-Bouclea , Catherine Morlayb.MARTIN@suez-env.com) Abstract In constructed wetlands (CWs) treating domestic wastewater, good treatment performances to improve P removal from wastewater with a low specific filter surface per people equivalent (p. e

Paris-Sud XI, Université de

436

A Property-Based Optimization of Direct Recycle Networks and Wastewater  

E-Print Network [OSTI]

A Property-Based Optimization of Direct Recycle Networks and Wastewater Treatment Processes Jose a mathematical programming approach to optimize direct recycle-reuse networks together with wastewater treatment formulation is developed to optimize the recycle/reuse of process streams to units and the perform- ance

Grossmann, Ignacio E.

437

300 Area waste acid treatment system closure plan  

SciTech Connect (OSTI)

The Hanford Facility Dangerous Waste Permit Application is considered to be a single application organized into a General Information Portion (document number DOERL-91-28) and a Unit-Specific Portion. The scope of the Unit-Specific Portion includes closure plan documentation submitted for individual, treatment, storage, and/or disposal units undergoing closure, such as the 300 Area Waste Acid Treatment System. Documentation contained in the General Information Portion is broader in nature and could be used by multiple treatment, storage, and/or disposal units (e.g., the glossary provided in the General Information Portion). Whenever appropriate, 300 Area Waste Acid Treatment System documentation makes cross-reference to the General Information Portion, rather than duplicating text. This 300 Area Waste Acid Treatment System Closure Plan (Revision 2) includes a Hanford Facility Dangerous Waste Permit Application, Part A, Form 3. Information provided in this closure plan is current as of April 1999.

LUKE, S.N.

1999-05-17T23:59:59.000Z

438

Wastewater Reuse a Worldwide Issue  

Science Journals Connector (OSTI)

Water resource shortages are a problem that are plaguing the world. Wastewater recycling and reuse may be the solution to this worldwide problem. Recycled and properly treated wastewater is a safe alternative sou...

Thomas G. Sanders; Lisa M. Dunn; Vujica Yevjevich

1996-01-01T23:59:59.000Z

439

Idaho waste treatment facility startup testing suspended to evaluate system  

Broader source: Energy.gov (indexed) [DOE]

waste treatment facility startup testing suspended to waste treatment facility startup testing suspended to evaluate system response Idaho waste treatment facility startup testing suspended to evaluate system response June 20, 2012 - 12:00pm Addthis Media Contacts Brad Bugger 208-526-0833 Danielle Miller 208-526-5709 IDAHO FALLS, ID- On Saturday, June 16, startup testing was suspended at the Integrated Waste Treatment Unit (IWTU) located at the U.S. Department of Energy's Idaho Site. Testing and plant heat-up was suspended to allow detailed evaluation of a system pressure event observed during testing on Saturday. Facility startup testing has been ongoing for the past month, evaluating system and component operation and response during operating conditions. No radioactive or hazardous waste has been introduced into the facility,

440

Advanced Water Treatment System: Technological and Economic Evaluations  

Science Journals Connector (OSTI)

The supply of potable water from polluted rivers, lakes, unsafe wells, ... most effective methods to obtain low cost drinking water is desalination. In this chapter, an advanced water treatment system, based on electrodialysis

Artak Barseghyan

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

JOINT OPTIMISATION OF SEWER SYSTEM AND TREATMENT PLANT CONTROL  

Science Journals Connector (OSTI)

Large cities in most of the cases are equipped with combined sewer systems discharging to waste water treatment plants. This is also the case for the City of Vienna. This city has just extended its Main Treatm...

HELMUT KROISS

2006-01-01T23:59:59.000Z

442

300 Area waste acid treatment system closure plan. Revision 1  

SciTech Connect (OSTI)

This section provides a description of the Hanford Site, identifies the proposed method of 300 Area Waste Acid Treatment System (WATS) closure, and briefly summarizes the contents of each chapter of this plan.

NONE

1996-03-01T23:59:59.000Z

443

Doctoral Defense "Sustainable Wastewater Management  

E-Print Network [OSTI]

Doctoral Defense "Sustainable Wastewater Management: Modeling and Decision Strategies for Unused Medications and Wastewater Solids" Sherri Cook Date: May 22, 2014 Time: 11:00 AM Location: 2355 GGB Chair to help decision-makers evaluate new practices for sustainable wastewater management. To this end

Kamat, Vineet R.

444

Integrated thermal treatment system study -- Phase 2 results. Revision 1  

SciTech Connect (OSTI)

This report presents the second phase of a study on thermal treatment technologies. The study consists of a systematic assessment of nineteen thermal treatment alternatives for the contact-handled mixed low-level waste (MLLW) currently stored in the US Department of Energy complex. The treatment alternatives consist of widely varying technologies for safely destroying the hazardous organic components, reducing the volume, and preparing for final disposal of the MLLW. The alternatives considered in Phase 2 were innovative thermal treatments with nine types of primary processing units. Other variations in the study examined the effect of combustion gas, air pollution control system design, and stabilization technology for the treatment residues. The Phase 1 study examined ten initial thermal treatment alternatives. The Phase 2 systems were evaluated in essentially the same manner as the Phase 1 systems. The alternatives evaluated were: rotary kiln, slagging kiln, plasma furnace, plasma gasification, molten salt oxidation, molten metal waste destruction, steam gasification, Joule-heated vitrification, thermal desorption and mediated electrochemical oxidation, and thermal desorption and supercritical water oxidation. The quantities, and physical and chemical compositions, of the input waste used in the Phase 2 systems differ from those in the Phase 1 systems, which were based on a preliminary waste input database developed at the onset of the Integrated Thermal Treatment System study. The inventory database used in the Phase 2 study incorporates the latest US Department of Energy information. All systems, both primary treatment systems and subsystem inputs, have now been evaluated using the same waste input (2,927 lb/hr). 28 refs., 88 figs., 41 tabs.

Feizollahi, F.; Quapp, W.J.

1996-02-01T23:59:59.000Z

445

Review of the integrated thermal and nonthermal treatment system studies  

SciTech Connect (OSTI)

This report contains a review and evaluation of three systems analysis studies performed by LITCO on integrated thermal treatment systems and integrated nonthermal treatment systems for the remediation of mixed low-level waste stored throughout the US Department of Energy weapons complex. The review was performed by an independent team of nine researchers from the Energy and Environmental Research Center, Science Applications International Corporation, the Waste Policy Institute, and Virginia Tech. The three studies reviewed were as follows: Integrated Thermal Treatment System Study, Phase 1--issued July 1994; Integrated Thermal Treatment System Study, Phase 2--issued February 1996; and Integrated Nonthermal Treatment System Study--drafted March 1996. The purpose of this review was to (1) determine whether the assumptions of the studies were adequate to produce an unbiased review of both thermal and nonthermal systems, (2) to identify the critical areas of the studies that would benefit from further investigation, and (3) to develop a standard template that could be used in future studies to assure a sound application of systems engineering.

NONE

1996-08-01T23:59:59.000Z

446

Acid mine water aeration and treatment system  

DOE Patents [OSTI]

An in-line system is provided for treating acid mine drainage which basically comprises the combination of a jet pump (or pumps) and a static mixer. The jet pump entrains air into the acid waste water using a Venturi effect so as to provide aeration of the waste water while further aeration is provided by the helical vanes of the static mixer. A neutralizing agent is injected into the suction chamber of the jet pump and the static mixer is formed by plural sections offset by 90 degrees.

Ackman, Terry E. (Finleyville, PA); Place, John M. (Bethel Park, PA)

1987-01-01T23:59:59.000Z

447

Phosphorous Recycling from Pre-Coagulated Wastewater Sludge  

Science Journals Connector (OSTI)

The amount of rock phosphorous remained in the world is limited. Therefore, it is important to develop the technology and construct the social system for use of recycled phosphorous. Municipal wastewater contains...

Y. Watanabe; T. Tadano; T. Hasegawa

2000-01-01T23:59:59.000Z

448

Implementing Energy Efficiency in Wastewater to Reduce Costs  

E-Print Network [OSTI]

In the industrial world creating a quality product at minimum cost is the goal. In this environment all expenses are scrutinized, when they are part of the manufacturing process. However, even at the most conscientious facility the wastewater system...

Cantwell, J. C.

2008-01-01T23:59:59.000Z

449

Falmouth Wastewater | Open Energy Information  

Open Energy Info (EERE)

Wastewater Wastewater Jump to: navigation, search Name Falmouth Wastewater Facility Falmouth Wastewater Sector Wind energy Facility Type Community Wind Facility Status In Service Owner Falmouth Wastewater Developer Falmouth Wastewater Energy Purchaser Falmouth Wastewater Location Falmouth MA Coordinates 41.566789°, -70.608791° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":41.566789,"lon":-70.608791,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

450

Resources for Small Water Systems in Texas  

E-Print Network [OSTI]

supply and wastewater treatment projects through state bonds and federal grants. TWDB administers the Economically Distressed Areas Program (EDAP), which provides fi nancial assistance to eligible counties and communities. Some counties are eligible.... The U.S. Department of Agriculture Rural Utilities Service has a Water and Wastewater Disposal Program that gives loans and grants to water systems in rural areas and to towns with fewer than 10,000 people. Emergency Community Water Assistance...

Dozier, Monty; Theodori, Gene L.; Jensen, Ricard

2007-03-28T23:59:59.000Z

451

POOL WATER TREATMENT AND COOLING SYSTEM DESCRIPTION DOCUMENT  

SciTech Connect (OSTI)

The Pool Water Treatment and Cooling System is located in the Waste Handling Building (WHB), and is comprised of various process subsystems designed to support waste handling operations. This system maintains the pool water temperature within an acceptable range, maintains water quality standards that support remote underwater operations and prevent corrosion, detects leakage from the pool liner, provides the capability to remove debris from the pool, controls the pool water level, and helps limit radiological exposure to personnel. The pool structure and liner, pool lighting, and the fuel staging racks in the pool are not within the scope of the Pool Water Treatment and Cooling System. Pool water temperature control is accomplished by circulating the pool water through heat exchangers. Adequate circulation and mixing of the pool water is provided to prevent localized thermal hotspots in the pool. Treatment of the pool water is accomplished by a water treatment system that circulates the pool water through filters, and ion exchange units. These water treatment units remove radioactive and non-radioactive particulate and dissolved solids from the water, thereby providing the water clarity needed to conduct waste handling operations. The system also controls pool water chemistry to prevent advanced corrosion of the pool liner, pool components, and fuel assemblies. Removal of radioactivity from the pool water contributes to the project ALARA (as low as is reasonably achievable) goals. A leak detection system is provided to detect and alarm leaks through the pool liner. The pool level control system monitors the water level to ensure that the minimum water level required for adequate radiological shielding is maintained. Through interface with a demineralized water system, adequate makeup is provided to compensate for loss of water inventory through evaporation and waste handling operations. Interface with the Site Radiological Monitoring System provides continuous radiological monitoring of the pool water. The Pool Water Treatment and Cooling System interfaces with the Waste Handling Building System, Site-Generated Radiological Waste Handling System, Site Radiological Monitoring System, Waste Handling Building Electrical System, Site Water System, and the Monitored Geologic Repository Operations Monitoring and Control System.

V. King

2000-06-19T23:59:59.000Z

452

Process modeling for the Integrated Thermal Treatment System (ITTS) study  

SciTech Connect (OSTI)

This report describes the process modeling done in support of the integrated thermal treatment system (ITTS) study, Phases 1 and 2. ITTS consists of an integrated systems engineering approach for uniform comparison of widely varying thermal treatment technologies proposed for treatment of the contact-handled mixed low-level wastes (MLLW) currently stored in the U.S. Department of Energy complex. In the overall study, 19 systems were evaluated. Preconceptual designs were developed that included all of the various subsystems necessary for a complete installation, from waste receiving through to primary and secondary stabilization and disposal of the processed wastes. Each system included the necessary auxiliary treatment subsystems so that all of the waste categories in the complex were fully processed. The objective of the modeling task was to perform mass and energy balances of the major material components in each system. Modeling of trace materials, such as pollutants and radioactive isotopes, were beyond the present scope. The modeling of the main and secondary thermal treatment, air pollution control, and metal melting subsystems was done using the ASPEN PLUS process simulation code, Version 9.1-3. These results were combined with calculations for the remainder of the subsystems to achieve the final results, which included offgas volumes, and mass and volume waste reduction ratios.

Liebelt, K.H.; Brown, B.W.; Quapp, W.J.

1995-09-01T23:59:59.000Z

453

Uniformity of wastewater dispersal using subsurface drip emitters  

E-Print Network [OSTI]

An on-site wastewater treatment project site with two separate drip fields produced data on emitter flow rates and uniformity after 6 years of operation. The site served a two-bedroom residence in Weslaco, Texas, with treatment through a septic...

Persyn, Russell Alan

2012-06-07T23:59:59.000Z

454

Integrated thermal treatment system study: Phase 1 results. Volume 1  

SciTech Connect (OSTI)

An integrated systems engineering approach is used for uniform comparison of widely varying thermal treatment technologies proposed for management of contact-handled mixed low-level waste (MLLW) currently stored in the US Department of Energy complex. Ten different systems encompassing several incineration design options are studied. All subsystems, including facilities, equipment, and methods needed for integration of each of the ten systems are identified. Typical subsystems needed for complete treatment of MLLW are incoming waste receiving and preparation (characterization, sorting, sizing, and separation), thermal treatment, air pollution control, primary and secondary stabilization, metal decontamination, metal melting, mercury recovery, lead recovery, and special waste and aqueous waste treatment. The evaluation is performed by developing a preconceptual design package and planning life-cycle cost (PLCC) estimates for each system. As part of the preconceptual design process, functional and operational requirements, flow sheets and mass balances, and conceptual equipment layouts are developed for each system. The PLCC components estimated are technology development, production facility construction, pre-operation, operation and maintenance, and decontamination and decommissioning. Preconceptual design data and other technology information gathered during the study are examined and areas requiring further development, testing, and evaluation are identified and recommended. Using a qualitative method, each of the ten systems are ranked.

Feizollahi, F.; Quapp, W.J.; Hempill, H.G.; Groffie, F.J.

1994-07-01T23:59:59.000Z

455

Leachate treatment system using constructed wetlands, Town of Fenton sanitary landfill, Broome County, New York. Final report  

SciTech Connect (OSTI)

Municipal sanitary landfills generate leachate that New York State regulations require to be collected and treated to avoid contaminating surface water and groundwater. One option for treating leachate is to haul it to municipal wastewater treatment facility. This option may be expensive, may require excessive energy for transportation, and may require pretreatment to protect the receiving facility`s processes. An alternative is on-site treatment and discharge. Personnel from the Town of Fenton, New York; Hawk Engineering, P.C.; Cornell University; and Ithaca College designed, built, and operated a pilot constructed wetland for treating leachate at the Town of Fenton`s municipal landfill. The system, consisting of two overland flow beds and two subsurface flow beds has been effective for 18 months in reducing levels of ammonia (averaging 85% removal by volatilization and denitrification) and total iron (averaging 95% removal by precipitation and sedimentation), two key constituents of the Fenton landfill`s leachate. The system effects these reductions with zero chemical and energy inputs and minimal maintenance. A third key constituent of the leachate, manganese, apparently passes through the beds with minimal removal. Details and wetland considerations are described.

Not Available

1993-11-01T23:59:59.000Z

456

Review on electrical discharge plasma technology for wastewater remediation  

Science Journals Connector (OSTI)

Abstract As wastewater remediation becomes a global concern, the development of innovative advanced oxidation processes for wastewater treatment is still a major challenge. With regard to its fast removal rate and environmental compatibility, plasma technology is considered as a promising remediation technology for water remediation. The principles of electrical plasma with liquids for pollutant removal and the reactors of various electrical discharge types are outlined in this review. To improve energy efficiency, combination of plasma technology with catalysts has attracted significant attention. The present review is concerned about present understanding of the mechanisms involved in these combined processes. Further on, detailed discussions are given of the effects of various factors on the performance of pulsed electrical plasma technology in water treatment processes. Finally, special attention is paid to the future challenges of plasma technology utilized for industrial wastewater treatment.

Bo Jiang; Jingtang Zheng; Shi Qiu; Mingbo Wu; Qinhui Zhang; Zifeng Yan; Qingzhong Xue

2014-01-01T23:59:59.000Z

457

Water balance analysis and wastewater recycling investigation in electrolytic manganese industry of China A case study  

Science Journals Connector (OSTI)

Abstract A water balance investigation was performed for a representative electrolytic manganese metal (EMM) enterprise to study the details of water consumption and generation in the production process. A new integrated wastewater treatment approach was put forward to recover useful chemicals from the process wastewater, which contained high concentrations of Mn2+, Cr(VI), Cr3+, and NH4+. Cr(VI) was recovered from the wastewater by ion exchange techniques and reused as EMM passivant. The remaining wastewater containing Mn2+ and NH4+ was returned to the leaching section before the impurity removal procedure to prepare electrolytes. Complete wastewater recycling was achieved after water balance regulation and optimization. Final demonstration line results proved that the proposed process is feasible and exhibits significant advantages of better treatment effects, lower costs and lower environmental impact compared to the traditional reductionneutralizationsedimentation treatment method. With the adoption of the proposed approach, solid waste disposal cost and the required area for the landfill yard were decreased by 80%. Operating costs for wastewater treatment were lowered by 85%. Around 4.8kg/t EMM of Mn2+, 5.2kg/t EMM of NH4+ and 0.24kg/t EMM of Cr(VI) were recovered. The recycled wastewater proportion was increased from 6.2% to 100.0%. 1.168m3/t EMM of fresh water was saved and the equivalent amount of discharging wastewater was reduced to the environment.

Fuyuan Xu; Linhua Jiang; Zhigang Dan; Xiaojuan Gao; Ning Duan; Guimei Han; Hong Zhu

2014-01-01T23:59:59.000Z

458

SOME TCD LICENSEES 2011-12 27. Waste-Water Distribution Device  

E-Print Network [OSTI]

Development Stage: Licensed Company Contact: Molloy Precast In rural areas wastewater from houses is treatedSOME TCD LICENSEES 2011-12 27. Waste-Water Distribution Device Researcher: Laurence Gill and disposed on-site through a process of septic tank treatment followed by discharge to the subsoil. An even

O'Mahony, Donal E.

459

Occurrence and Implication of dissolved organic phosphorus (DOP) in tertiary wastewater Effluents Page 1 of 6  

E-Print Network [OSTI]

GU, APRIL Occurrence and Implication of dissolved organic phosphorus (DOP) in tertiary wastewater wastewater effluents L. Liu1 , D. S. Smith2 , M. Bracken3 , J.B. Neethling4 , H.D. Stensel5 and S. Murthy6 levels (e.g. TPwastewater treatment plants. A few previous studies (Benisch et al., 2007

Brody, James P.

460

Summary of comparative results integrated nonthermal treatment and integrated thermal treatment systems studies  

SciTech Connect (OSTI)

In July 1994, the Idaho National Engineering Laboratory (INEL), under a contract from U.S. Department of Energy`s (DOE) Environment Management Office of Science and Technology (OST, EM-50) published a report entitled {open_quotes}Integrated Thermal Treatment System Study - Phase 1 Results{close_quotes} (EGG-MS-11211). This report was the culmination of over a year of analysis involving scientists and engineers within the DOE complex and from private industry. The purpose of that study was {open_quotes}to conduct a systematic engineering evaluation of a variety of mixed low level waste (MLLW) treatment system alternatives.{close_quotes} The study also {open_quotes}identified the research and development, demonstrations, and testing and evaluation needed to assure unit operability in the most promising alternative system.{close_quotes} This study evaluated ten primary thermal treatment technologies, organized into complete {open_quotes}cradle-to-grave{close_quotes} systems (including complete engineering flow sheets), to treat DOE MLLW and calculated mass balances and 20-year total life cycle costs (TLCC) for all systems. The waste input used was a representative heterogenous mixture of typical DOE MLLW. An additional study was conducted, and then, based on response to these studies, additional work was started to investigate and evaluate non-thermal treatment options on a footing comparable to the effort devoted to thermal options. This report attempts to present a summary overview of the thermal and non-thermal treatment technologies which were examined in detail in the process of the above mentioned reviews.

NONE

1996-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Wastewater treatment in a compact intensified wetland system at the Badboot: a floating swimming pool in Belgium  

Science Journals Connector (OSTI)

The Badboot (Dutch for swimming pool boat) is a floating swimming pool located in the city center of Antwerp ... newly built ship that harbours an Olympic size swimming pool, sun decks, locker rooms with showers,...

D. Van Oirschot; S. Wallace; R. Van Deun

2014-11-01T23:59:59.000Z

462

Viability study of a residential integrated stormwater, graywater, and wastewater treatment system at Florida's Showcase Green Envirohome.  

E-Print Network [OSTI]

??The subject of water scarcity and the rate of water consumption have become popular over the last few decades. Within the topic of water consumption, (more)

Goolsby, Matthew Allen

2011-01-01T23:59:59.000Z

463

Carbon and Water Resource Management for Water Distribution Systems  

E-Print Network [OSTI]

wastewater transmission and sewage treatment. Distribution pumping and sewage treatment were found to contribute the most to climate change

Hendrickson, Thomas Peter

2013-01-01T23:59:59.000Z

464

Built Systems Report Back #2  

E-Print Network [OSTI]

in Water) Strategy #2 Assets: · Wastewater Treatment System Strategy: · Generate project SOW to the north #12;Elevator Speech · Top 3 primary short-term / long-term climate change impacts to SSC/system 1. #12;How Adaptation Strategy Development will Continue · Provide monthly updates to COD on climate

465

Westinghouse Cementation Facility of Solid Waste Treatment System - 13503  

SciTech Connect (OSTI)

During NPP operation, several waste streams are generated, caused by different technical and physical processes. Besides others, liquid waste represents one of the major types of waste. Depending on national regulation for storage and disposal of radioactive waste, solidification can be one specific requirement. To accommodate the global request for waste treatment systems Westinghouse developed several specific treatment processes for the different types of waste. In the period of 2006 to 2008 Westinghouse awarded several contracts for the design and delivery of waste treatment systems related to the latest CPR-1000 nuclear power plants. One of these contracts contains the delivery of four Cementation Facilities for waste treatment, s.c. 'Follow on Cementations' dedicated to three locations, HongYanHe, NingDe and YangJiang, of new CPR-1000 nuclear power stations in the People's Republic of China. Previously, Westinghouse delivered a similar cementation facility to the CPR-1000 plant LingAo II, in Daya Bay, PR China. This plant already passed the hot functioning tests successfully in June 2012 and is now ready and released for regular operation. The 'Follow on plants' are designed to package three 'typical' kind of radioactive waste: evaporator concentrates, spent resins and filter cartridges. The purpose of this paper is to provide an overview on the Westinghouse experience to design and execution of cementation facilities. (authors)

Jacobs, Torsten; Aign, Joerg [Westinghouse Electric Germany GmbH, Global Waste Management, Tarpenring 6, D- 22419 Hamburg (Germany)] [Westinghouse Electric Germany GmbH, Global Waste Management, Tarpenring 6, D- 22419 Hamburg (Germany)

2013-07-01T23:59:59.000Z

466

A system for EPID-based real-time treatment delivery verification during dynamic IMRT treatment  

SciTech Connect (OSTI)

Purpose: To design and develop a real-time electronic portal imaging device (EPID)-based delivery verification system for dynamic intensity modulated radiation therapy (IMRT) which enables detection of gross treatment delivery errors before delivery of substantial radiation to the patient.Methods: The system utilizes a comprehensive physics-based model to generate a series of predicted transit EPID image frames as a reference dataset and compares these to measured EPID frames acquired during treatment. The two datasets are using MLC aperture comparison and cumulative signal checking techniques. The system operation in real-time was simulated offline using previously acquired images for 19 IMRT patient deliveries with both frame-by-frame comparison and cumulative frame comparison. Simulated error case studies were used to demonstrate the system sensitivity and performance.Results: The accuracy of the synchronization method was shown to agree within two control points which corresponds to approximately ?1% of the total MU to be delivered for dynamic IMRT. The system achieved mean real-time gamma results for frame-by-frame analysis of 86.6% and 89.0% for 3%, 3 mm and 4%, 4 mm criteria, respectively, and 97.9% and 98.6% for cumulative gamma analysis. The system can detect a 10% MU error using 3%, 3 mm criteria within approximately 10 s. The EPID-based real-time delivery verification system successfully detected simulated gross errors introduced into patient plan deliveries in near real-time (within 0.1 s).Conclusions: A real-time radiation delivery verification system for dynamic IMRT has been demonstrated that is designed to prevent major mistreatments in modern radiation therapy.

Fuangrod, Todsaporn [Faculty of Engineering and Built Environment, School of Electrical Engineering and Computer Science, the University of Newcastle, NSW 2308 (Australia)] [Faculty of Engineering and Built Environment, School of Electrical Engineering and Computer Science, the University of Newcastle, NSW 2308 (Australia); Woodruff, Henry C.; OConnor, Daryl J. [Faculty of Science and IT, School of Mathematical and Physical Sciences, the University of Newcastle, NSW 2308 (Australia)] [Faculty of Science and IT, School of Mathematical and Physical Sciences, the University of Newcastle, NSW 2308 (Australia); Uytven, Eric van; McCurdy, Boyd M. C. [Division of Medical Physics, CancerCare Manitoba, 675 McDermot Avenue, Winnipeg, Manitoba R3E 0V9 (Canada) [Division of Medical Physics, CancerCare Manitoba, 675 McDermot Avenue, Winnipeg, Manitoba R3E 0V9 (Canada); Department of Physics and Astronomy, University of Manitoba, Winnipeg, Manitoba R3T 2N2 (Canada); Department of Radiology, University of Manitoba, Winnipeg, Manitoba R3T 2N2 (Canada); Kuncic, Zdenka [School of Physics, University of Sydney, Sydney, NSW 2006 (Australia)] [School of Physics, University of Sydney, Sydney, NSW 2006 (Australia); Greer, Peter B. [Faculty of Science and IT, School of Mathematical and Physical Sciences, the University of Newcastle, NSW 2308, Australia and Department of Radiation Oncology, Calvary Mater Newcastle Hospital, Locked Bag 7, Hunter region Mail Centre, Newcastle, NSW 2310 (Australia)] [Faculty of Science and IT, School of Mathematical and Physical Sciences, the University of Newcastle, NSW 2308, Australia and Department of Radiation Oncology, Calvary Mater Newcastle Hospital, Locked Bag 7, Hunter region Mail Centre, Newcastle, NSW 2310 (Australia)

2013-09-15T23:59:59.000Z

467

Portable wastewater flow meter  

DOE Patents [OSTI]

A portable wastewater flow meter particularly adapted for temporary use at a single location in measuring the rate of liquid flow in a circular entrance conduit of a sewer manhole both under free flow and submerged, open channel conditions and under fill pipe, surcharged conditions, comprising an apparatus having a cylindrical external surface and an inner surface that constricts the flow through the apparatus in such a manner that a relationship exists between (1) the difference between the static pressure head of liquid flowing through the entrance of the apparatus and the static pressure head of liquid flowing through the constriction, and (2) the rate of liquid flow through the apparatus.

Hunter, Robert M. (320 S. Wilson Ave., Bozeman, MT 59715)

1999-02-02T23:59:59.000Z

468

Portable wastewater flow meter  

DOE Patents [OSTI]

A portable wastewater flow meter particularly adapted for temporary use at a single location in measuring the rate of liquid flow in a circular entrance conduit of a sewer manhole both under free flow and submerged, open channel conditions and under full pipe, surcharged conditions, comprising an apparatus having a cylindrical external surface and an inner surface that constricts the flow through the apparatus in such a manner that a relationship exists between (1) the difference between the static pressure head of liquid flowing through the entrance of the apparatus and the static pressure head of liquid flowing through the constriction, and (2) the rate of liquid flow through the apparatus.

Hunter, Robert M. (320 S. Wilson Ave., Bozeman, MT 59715)

1990-01-01T23:59:59.000Z

469

Recycling of oleochemical wastewater for boiler feed water using reverse osmosis membranes A case study  

Science Journals Connector (OSTI)

Currently, awareness of water conservation has increased worldwide due to water scarcity. Wastewater recycling appears to be attractive for water conservation. This paper addresses a case study of oleochemical wastewater treatment using an advanced process that comprises ultrafiltration (UF) and reverse osmosis (RO) membranes. Prior to the membrane process, the oleochemical effluent was first treated using a biological treatment system that was installed by the factory owner. The quantity and quality of the permeate stream of the membrane system were then periodically monitored over 43days. The results showed that the system functioned effectively in reducing the chemical oxygen demand (COD), hardness content and the amount of total dissolved solids (TDS). However, the system started to deteriorate after 15days of operation. Membrane biofouling was suspected to have occurred in the RO membrane. Nevertheless, the fouling problem could be resolved by chemically cleaning the RO membrane using a sodium hydroxide (NaOH) solution every 35days. Despite of the fact that data set for a longer period is needed to provide a more comprehensive study on the biofouling mechanism of membrane, this study somehow reflects a real-life problem of the application of RO membrane in the water recycling industry in Malaysia.

Chai Hoon Koo; Abdul Wahab Mohammad; Fatihah Suja'

2011-01-01T23:59:59.000Z

470

System Modeling, Analysis, and Optimization Methodology for Diesel Exhaust After-treatment Technologies  

E-Print Network [OSTI]

System Modeling, Analysis, and Optimization Methodology for Diesel Exhaust After;System Modeling, Analysis, and Optimization Methodology for Diesel Exhaust After-treatment Technologies, analyzing, and optimizing of complex diesel exhaust after-treatment systems. The methodology presented

de Weck, Olivier L.

471

Strategies for automatic online treatment plan reoptimization using clinical treatment planning system: A planning parameters study  

SciTech Connect (OSTI)

Purpose: Adaptive radiation therapy for prostate cancer using online reoptimization provides an improved control of interfractional anatomy variations. However, the clinical implementation of online reoptimization is currently limited by the low efficiency of current strategies and the difficulties associated with integration into the current treatment planning system. This study investigates the strategies for performing fast (?2 min) automatic online reoptimization with a clinical fluence-map-based treatment planning system; and explores the performance with different input parameters settings: dose-volume histogram (DVH) objective settings, starting stage, and iteration number (in the context of real time planning).Methods: Simulated treatments of 10 patients were reoptimized daily for the first week of treatment (5 fractions) using 12 different combinations of optimization strategies. Options for objective settings included guideline-based RTOG objectives, patient-specific objectives based on anatomy on the planning CT, and daily-CBCT anatomy-based objectives adapted from planning CT objectives. Options for starting stages involved starting reoptimization with and without the original plan's fluence map. Options for iteration numbers were 50 and 100. The adapted plans were then analyzed by statistical modeling, and compared both in terms of dosimetry and delivery efficiency.Results: All online reoptimized plans were finished within ?2 min with excellent coverage and conformity to the daily target. The three input parameters, i.e., DVH objectives, starting stage, and iteration number, contributed to the outcome of optimization nearly independently. Patient-specific objectives generally provided better OAR sparing compared to guideline-based objectives. The benefit in high-dose sparing from incorporating daily anatomy into objective settings was positively correlated with the relative change in OAR volumes from planning CT to daily CBCT. The use of the original plan fluence map as the starting stage reduced OAR dose at the mid-dose region, but increased the monitor units by 17%. Differences of only 2cc or less in OAR V50%/V70Gy/V76Gy were observed between 100 and 50 iterations.Conclusions: It is feasible to perform automatic online reoptimization in ?2 min using a clinical treatment planning system. Selecting optimal sets of input parameters is the key to achieving high quality reoptimized plans, and should be based on the individual patient's daily anatomy, delivery efficiency, and time allowed for plan adaptation.

Li, Taoran; Wu, Qiuwen; Zhang, You; Vergalasova, Irina; Lee, W. Robert; Yin, Fang-Fang; Wu, Q. Jackie [Duke Medical Physics Graduate Program, Duke University, Durham, North Carolina 27705 and Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina 27710 (United States)] [Duke Medical Physics Graduate Program, Duke University, Durham, North Carolina 27705 and Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina 27710 (United States)

2013-11-15T23:59:59.000Z

472

SYNTHESIS OF A Mg2+-Al3+-SO42?-HYDROTALCITE-TYPE COMPOUND FROM THE ACID WASTEWATERS OF THE ALUMINUM-ANODIZING INDUSTRY  

Science Journals Connector (OSTI)

...conventional treatment can be performed...osmosis and electrodialysis can be employed in the treatment of such wastewaters...provides purified water that can be...form. This treatment allows decreases...or bipolar electrodialysis can be used...

E. lvarez-Ayuso; H. W. Nugteren

473

RECOVERY OF LACTIC ACID FROM AMERICAN CRYSTAL SUGAR COMPANY WASTEWATER  

SciTech Connect (OSTI)

This project has shown that the recovery of several valuable lactic acid products is both technically feasible and economically viable. One of the original objectives of this project was to recover lactic acid. However, the presence of a variety of indigenous bacteria in the wastewater stream and technical issues related to recovery and purification have resulted in the production of lactic acid esters. These esters could by hydrolyzed to lactic acid, but only with unacceptable product losses that would be economically prohibitive. The developed process is projected to produce approximately 200,000 lb per day of lactate esters from wastewater at a single factory at costs that compete with conventional solvents. The lactate esters are good solvents for polymers and resins and could replace acetone, methyl ethyl ketone, MIBK, and other polar solvents used in the polymer industry. Because of their low volatility and viscosity-lowering properties, they will be especially useful for inks for jet printers, alkyl resins, and high-solid paints. Owing to their efficiency in dissolving salts and flux as well as oils and sealants, lactate esters can be used in cleaning circuit boards and machine and engine parts. Unlike conventional solvents, lactate esters exhibit low toxicity, are biodegradable, and are not hazardous air pollutants. Another application for lactate esters is in the production of plasticizers. Severe health problems have been attributed to widely used phthalate ester plasticizers. The U.S. Department of Agriculture showed that replacement of these with inexpensive lactate esters is feasible, owing to their superior polymer compatibility properties. A very large market is projected for polymers prepared from lactic acid. These are called polylactides and are a type of polyester. Thermoplastics of this type have a variety of uses, including moldings, fibers, films, and packaging of both manufactured goods and food products. Polylactides form tough, orientable, self-supporting thin films and have, therefore, been used for adhesives, safety glass, and finishes. If the bacterial culture produces the L-lactic acid enanatiomer form exclusively, the L-lactide prepared from this form can be used for making polymers with good fiber-forming properties. We have not currently achieved the exclusive production of L-lactate in our efforts. However, markets in films and structural shapes are available for polymers and copolymers prepared from the mixed D,L-lactide forms that result from processing the D,L-lactic acid obtained from fermentation such as that occurring naturally in sugar beet wastewater. These materials are slowly biodegraded to harmless compounds in the environment, and they burn with a clean blue flame when incinerated. These materials represent excellent opportunities for utilization of the D,L-lactic mixture produced from natural fermentation of the ACS flume water. Esters can be converted into a lactide, and the alcohol released from the ester can be recycled with no net consumption of the alcohol. Lactide intermediates could be produced locally and shipped to polymer producers elsewhere. The polymer and copolymer markets are extremely large, and the role of lactides in these markets is continuously expanding. The overall process can be readily integrated into existing factory wastewater operations. There are several environmental benefits that would be realized at the factories with incorporation of the lactate recovery process. The process reduces the organic loading to the existing wastewater treatment system that should result in enhanced operability with respect to both solids handling and treated-water quality. A higher-quality treated water will also help reduce odor levels from holding ponds. Several water reuse opportunities are probable, depending on the quality of treated water from the FT process.

Daniel J. Stepan; Edwin S. Olson; Richard E. Shockey; Bradley G. Stevens; John R. Gallagher

2001-04-30T23:59:59.000Z

474

Treating process wastewater employing vacuum distillation using mechanical vapor recompression  

SciTech Connect (OSTI)

Process wastewater has been successfully treated using an enhanced variable vacuum distillation system (VVDS). The removal of contaminants is achieved initially by degassing the liquid under an intense vacuum which removes the volatile organic compounds. The resulting liquid is then distilled under a vacuum using mechanical vapor recompression. The system was invented by Derald McCabe. This innovative treatment system removes virtually all of the contaminants, such as TSS, TDS, BOD{sub 5}, COD, heavy metals and mineral compounds. The resultant aqueous portion normally returns to a neutral pH. Due to the unique system operation, scaling problems (often encountered in conventional distillation) have not been detected in this system. The VVDS is extremely energy efficiency because the heat for distillation is generated and recycled mechanically. Using electricity as the energy source, the approximate operating cost, based on $0.05 KWH, may vary from $0.005 to $0.01 per gallon depending on the size and capacity of the equipment. Based on applications in waste streams performed to-date, the VVDS process has yielded a distilled water stream and the concentrated solids have been used as a byproduct or as a concentrated non-dischargeable waste for disposal.

McCabe, D.L. [Brandt, Houston, TX (United States)] [Brandt, Houston, TX (United States); Vivona, M.A. [ICF Kaiser Engineers, Inc., Houston, TX (United States). Water and Wastewater Dept.] [ICF Kaiser Engineers, Inc., Houston, TX (United States). Water and Wastewater Dept.

1999-05-01T23:59:59.000Z

475

WASTEWATER TREATMENT IN THE OIL SHALE INDUSTRY  

E-Print Network [OSTI]

is in intimate contact with oil and shale during In in-situin contact with the oil and shale. These methods and othersWaters from Green River Oil Shale," Chem. and Ind. , 1. ,

Fox, J.P.

2010-01-01T23:59:59.000Z

476

WASTEWATER TREATMENT IN THE OIL SHALE INDUSTRY  

E-Print Network [OSTI]

R. E. Hicks, Water Purification Associates, Cambridge,Vol II, (Aug. 1977). Water Purification Assocites, A StudyCambridge, Mass. (1979). Water Purification Associates, A

Fox, J.P.

2010-01-01T23:59:59.000Z

477

Anaerobic biotechnology for industrial wastewater treatment  

Science Journals Connector (OSTI)

A relationship between Smin and the Gibbs free energy available at growth equilibrium (?GE) was introduced into the ... ...

Richard E. Speece

1983-09-01T23:59:59.000Z

478

Fate of Radionuclides in Wastewater Treatment Plants  

E-Print Network [OSTI]

consistent ones and nuclear accidents are the least frequentto the Fukushima nuclear accident. Journal of Environmentalto the Fukushima nuclear accident. Journal of Environmental

Shabani Samgh Abadi, Farzaneh

2013-01-01T23:59:59.000Z

479

Nitrous oxide emissions from wastewater treatment processes  

Science Journals Connector (OSTI)

...specific ammonia oxidation rate. Symbols represent...Research Council (ARC) for funding this...correlated to its ammonia oxidation rate. 51 Arp, D...1146/annurev.micro.61.080706.093449...1146/annurev.micro.61.080706.093449...2004 Anaerobic oxidation of inorganic nitrogen...

2012-01-01T23:59:59.000Z

480

Nitrous oxide emissions from wastewater treatment processes  

Science Journals Connector (OSTI)

...samples followed by GC analysis has been used in both laboratory scale reactors and full-scale plants...two laboratory scale reactors. Foley et al. [23...measurements. Combining the analyses of both the microsensor...significantly increases the reliability of data. Similar to...

2012-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "wastewater treatment systems" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

WASTEWATER TREATMENT IN THE OIL SHALE INDUSTRY  

E-Print Network [OSTI]

during oil shale retorting: retort water and gas condensate.commercial oil shale plant, retort water and gas condensateunique to an oil shale retort water, gas condensate, and

Fox, J.P.

2010-01-01T23:59:59.000Z

482

Fate of Radionuclides in Wastewater Treatment Plants  

E-Print Network [OSTI]

Comments on the Presence of Chernobyl Derived Cs and Tc inRadiological Impact of the Chernobyl Debris Compared with42 5.3- CHERNOBYL 43 v 5.4-

Shabani Samgh Abadi, Farzaneh

2013-01-01T23:59:59.000Z

483

Fate of Radionuclides in Wastewater Treatment Plants  

E-Print Network [OSTI]

nuclear programs including plutonium recovery and Idaho Falls facility mostly served navy and research

Shabani Samgh Abadi, Farzaneh

2013-01-01T23:59:59.000Z

484

Use of magnetic nanoparticles for wastewater treatment  

E-Print Network [OSTI]

Contamination of marine sediments and water environments by urban runoffs, industrial and domestic effluents and oil spills is proving to be of critical concern as they affect aquatic organisms and can quickly disperse to ...

Parekh, Asha, 1942-

2013-01-01T23:59:59.000Z

485

Fate of Radionuclides in Wastewater Treatment Plants  

E-Print Network [OSTI]

Radioactive Plume from Fukushima: Is There a Correlation?France due to the Fukushima nuclear accident. Journal ofGreece due to the Fukushima nuclear accident. Journal of

Shabani Samgh Abadi, Farzaneh

2013-01-01T23:59:59.000Z

486

Fischer-Tropsch Wastewater Utilization  

DOE Patents [OSTI]

The present invention is generally directed to handling the wastewater, or condensate, from a hydrocarbon synthesis reactor. More particularly, the present invention provides a process wherein the wastewater of a hydrocarbon synthesis reactor, such as a Fischer-Tropsch reactor, is sent to a gasifier and subsequently reacted with steam and oxygen at high temperatures and pressures so as to produce synthesis gas. The wastewater may also be recycled back to a slurry preparation stage, where solid combustible organic materials are pulverized and mixed with process water and the wastewater to form a slurry, after which the slurry fed to a gasifier where it is reacted with steam and oxygen at high temperatures and pressures so as to produce synthesis gas.

Shah, Lalit S. (Sugar Land, TX)

2003-03-18T23:59:59.000Z

487

Wastewater Renovation in Buried and Recirculating Sand Filters A.J. Gold,* B.E. Lamb,G.W.Loomis, J.R. Boyd, V.J. Cabelli, and C.G. McKiel  

E-Print Network [OSTI]

Wastewater Renovation in Buried and Recirculating Sand Filters A.J. Gold,* B.E. Lamb,G.W.Loomis, JF phagewereassociatedwithlowereffluent pHfor bothsandfilters. ON-SITEDISPOSALof household wastewater is a potential threat to public conditions mayimpede wastewater treatment (Kristiansen, 1981a; Pell and Nyberg, 1989a) or where

Gold, Art

488

Global analysis of river systems: from Earth system controls to Anthropocene syndromes  

Science Journals Connector (OSTI)

...soil-derived particles plus wastewater release in rivers, the recycling of treated urban sewage sludges...yet with- out appropriate wastewater treatment, which was gen...regulation, as contaminated water recycling and/or treatment, new technical...

2003-01-01T23:59:59.000Z

489

E-Print Network 3.0 - air treatment system Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Last Updated: 41702 Summary: , including refrigeration, air conditioning, heating systems, ventilating fans, roof ventilators, exhaust fans... , water treatment equipment,...

490

Characterization of Rio Blanco retort 1 water following treatment by lime-soda softening and reverse osmosis  

SciTech Connect (OSTI)

Laboratory research was initiated to evaluate the chemical, physical, and toxicological characteristics of treated and untreated Rio Blanco oil shale retort water. Wet chemical analyses, metals analyses, MICROTOX assays and particle-size analysis were performed on the wastewater before and after treatment by lime-soda softening and reverse osmosis. The reverse osmosis system successfully removed dissolved solids and organics from the wastewater. Based on MICROTOX tests, the water was much less toxic after treatment by reverse osmosis. 8 refs., 7 figs., 8 tabs.

Kocornik, D.J.

1985-12-01T23:59:59.000Z

491

Hawaii Wastewater Branch Webpage | Open Energy Information  

Open Energy Info (EERE)

Webpage Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: Hawaii Wastewater Branch Webpage Abstract This is the webpage of the Wastewater Branch of the...

492

Making Refinery Wastewater Clean | GE Global Research  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Making Refinery Wastewater Clean Making Refinery Wastewater Clean Lei Wang 2014.09.23 About four years ago, I visited Ordos, Inner Mongolia, to work on a project. When I arrived,...

493

Radioactive residues associated with water treatment, use and disposal in Australia.  

E-Print Network [OSTI]

??Water resources are known to contain radioactive materials, either from natural or anthropogenic sources. Treatment, including wastewater treatment, of water for drinking, domestic, agricultural and (more)

Kleinschmidt, Ross Ivan

2011-01-01T23:59:59.000Z

494

E-Print Network 3.0 - area effluent treatment Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

1 Nature and Transformation of Dissolved Organic Matter in Summary: . As wastewater treatment plant effluent passes through treatment wetlands, the DOM undergoes...

495

WASTEWATER CHARACTERIZATION OF' FISH PROCESSING PLANT EFFLUENTS  

E-Print Network [OSTI]

#12;WASTEWATER CHARACTERIZATION OF' FISH PROCESSING PLANT EFFLUENTS TECHNICAL REPORT SERIES FREMP in Publication Data Main entry under title Wastewater characterization of fish processing plant effluents (Canada)); DOE FRAP 1993-39. TD899.F5W37 1994 363.73'942'0971133 C94-960159-4 #12;WASTEWATER

496

Boiler System Efficiency Improves with Effective Water Treatment  

E-Print Network [OSTI]

Water treatment is an important aspect of boiler operation which can affect efficiency or result in damage if neglected. Without effective water treatment, scale can form on boiler tubes, reducing heat transfer, and causing a loss of boiler...

Bloom, D.

497

Exergy Optimized Wastewater Heat Recovery: Minimizing Losses and Maximizing Performance  

E-Print Network [OSTI]

the heat using a batch process with an insulated tank containing a heat exchanger. The analysis is based on statistical annual hot water usage profiles. The system shows that the exergy available in warm wastewater can be optimized with specific tank size...

Meggers, F.

498

Integrated Wastewater Management Reporting at Tourist Areas for Recycling Purposes, Including the Case Study of Hersonissos, Greece  

Science Journals Connector (OSTI)

Wastewater treatment facilities in tourist areas, in comparison to other municipal facilities, require specific configurations and additional management actions in order to achieve a reliable and cost-effectiv...

K. E. Borboudaki; N. V. Paranychianakis; K.P. Tsagarakis

2005-10-01T23:59:59.000Z

499

Printing ink and paper recycling sources of TMDD in wastewater and rivers  

Science Journals Connector (OSTI)

Abstract 2,4,7,9-Tetramethyl-5-decyne-4,7-diol (TMDD) is a non-ionic surfactant which is preferentially used as defoamer in paints and printing ink and for the treatment of surfaces. Effluents of wastewater treatment plants (WWTPs) have been identified as the domination point sources for TMDD in rivers since the removal rate of the compound in the \\{WWTPs\\} is in general less than 70%. However, the dominating entry pathways of TMDD into the sewage were unknown so far. In this study effluents from both, municipal \\{WWTPs\\} with and without treatment of indirect industrial dischargers and from industrial \\{WWTPs\\} with direct discharge of wastewater into receiving rivers were analyzed for the first time to identify the proportions of TMDD coming from domestic wastewater and from various industrial sources. Moreover, rivers were samples before and after the influent of sewage water from WWTPs. The TMDD concentrations in the water samples were measured using solid phase extraction (SPE) followed by gas chromatography/mass spectrometry (GC/MS). High TMDD concentrations were found in rivers (up to 63.5?g/L), and in effluents of \\{WWTPs\\} (up to 310?g/L) affected by wastewater from paper recycling industry and factories producing paint and printing ink. Concentrations of TMDD revealed to be far higher in wastewater from factories processing recycled paper (up to 113?g/L) compared to wastewater from factories not processing recycled paper (0.066?g/L). The results indicate that the use of recycling paper in the paper production process is the dominating reason for increased TMDD concentrations in wastewaters and receiving rivers due to the wash out of TMDD from the paper impregnated with printing ink. Very high TMDD concentrations (up to 3300?g/L) were also detected in wastewater from a printing ink factory and a paint factory.

Arlen A. Guedez; Wilhelm Pttmann

2014-01-01T23:59:59.000Z

500

Biological fixed-film systems  

SciTech Connect (OSTI)

This paper includes reports on several biological fixed film systems in wastewater and hazardous waste treatment. Biological treatment of a refinery wastewater was studied in a rotating biological contactor (RBC) unit coupled with polyurethane foam (PUF) as a porous biomass support attached on both sides of the biodisks. The RBC-PUF bioreactor exhibited better performance than conventional RBCs for the removal of chemical oxygen demand (COD), NH{sub 3}-N, phenol, hydrocarbons, and suspended solids because of higher concentrations of active biomass. Successful performance of an anaerobic-aerobic treatment process using a combination of RCBs with activated sludge was achieved for treating a dye wastewater. Two high-rate trickling filters, cross-flow (CF) and vertical flow, were examined over a two year period for biological treatment of seafood processing wastewater. Results suggested superior performance of CF plastic media with substrate removal following a pseudo half-order kinetic reaction. Submerged structured packings in biofilm reactors were tested and characterized for a wide range of applications. Their efficiency was discussed in terms of contaminant removals and SS retention.

Chen, J.M.; Lim, B.S.; Al-Ghusain, I.A.; Hao, O.J.; Lin, C.F.; Davis, A.P.; Kim, M.H.; Huang, J.

1993-06-01T23:59:59.000Z