National Library of Energy BETA

Sample records for wood energy garbage

  1. Municipal solid waste (garbage): problems and benefits

    SciTech Connect

    Stillman, G.I.

    1983-05-01

    The average person in the USA generates from 3 1/2 to 7 lb of garbage/day. The combustible portion of garbage consists primarily of paper products, plastics, textiles, and wood. Problems connected with energy production from municipal solid waste (garbage), and the social, economic, and environmental factors associated with this technology are discussed. The methods for using garbage as a fuel for a combustion process are discussed. One method processes the garbage to produce a fuel that is superior to raw garbage, the other method of using garbage as a fuel is to burn it directly - the mass burning approach. The involvement of the Power Authority of the State of New York in garbage-to-energy technology is discussed.

  2. Wood energy system design

    SciTech Connect

    Not Available

    1988-01-01

    This handbook, Wood Energy System Design, was prepared with the support of the Council of Great Lakes Governors and the US Department of Energy. It contains: wood fuel properties; procurement; receiving, handling, and storage; combustion; gasification; emission control; electric power generation and cogeneration; and case studies. (JF)

  3. Non-polluting, energy-efficient garbage disposal method

    SciTech Connect

    Breton, J.R.

    1985-01-01

    This study has examined the possibilities of a novel method of handling garbage, namely incinerating it in an enclosed chamber in an atmosphere of pure oxygen. The design has shown itself robust and flexible with abundant latitude for accommodating user's requirements. The concept does not require great size, so that the proposed design might find a ready market for schools, commercial establishments, apartment complexes, etc. Even groups of individual residences might benefit. The system may be configured as an auxiliary source of heat. In this configuration the design offers, in addition to eliminating the garbage problem, the extra advantage of approximately halving heating costs. In another configuration the system may become the source of hydrogen, a high energy fuel with commercial possibilities of its own. The study has only considered design requirements. To proceed further to a useful device, there must follow engineering development and economic feasibility. 3 figs.

  4. Energy from garbage loses promise as wave of future

    SciTech Connect

    Not Available

    1988-07-01

    A front-page article in The Wall Street Journal (June 16, 1988) reports on the rising troubles of waste-to-energy projects. The garbage crisis has promoted the construction of 73 waste-to-energy plants around the country, with hundreds more planned at a combined cost of more than $18 billion, writes Bill Richards. Critics profess to feel an eerie sense of deja vu in the trend toward burning. In the 1990s, they say, this could become for municipalities what the nuclear plant building binge was to electric utilities in the 1970s. It plunged many into an economic and environmental swamp in which a few are still mired, their huge cost over-runs unrecoverable from customers, their shareholder dividends shrunken or ended.

  5. Daniel Wood | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Daniel Wood About Us Daniel Wood - Data Visualization and Cartographic Specialist, Office of Public Affairs Daniel Wood Daniel Wood is the Data Visualization and Cartographic Specialist in the Office of Public Affairs at the Department of Energy. He develops creative and interactive ways of viewing the Energy Department's vast array of data. You can check out some of his work here. Prior to joining the Energy.gov team, Daniel worked at a large PR firm in Washington, D.C, doing web development

  6. Wood, Wisconsin: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Wood, Wisconsin: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 43.568752, -90.330887 Show Map Loading map... "minzoom":false,"mappingservice"...

  7. Wood3 Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Wood3 Resources Jump to: navigation, search Name: Wood3 Resources Place: Houston, Texas Zip: 77056-2409 Product: Wood3 Resources is an energy project development firm run by former...

  8. Garbage in, power out

    SciTech Connect

    Wollard, K.

    1988-06-01

    Faced with the specter of garbage everywhere, communities are turning increasingly to waste-to-energy incineration and encountering unique challenges.

  9. Wood Energy Ltd | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Energy Ltd Jump to: navigation, search Name: Wood Energy Ltd Place: Devon, United Kingdom Zip: EX16 9EU Product: Specialises in the design, installation and service of automatic...

  10. Fort Yukon Wood Energy Program: Wood Boiler Deployment

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Fort Yukon Wood Energy Program: Wood Boiler Deployment Department of Energy Tribal Program Review Golden, Colorado March 26, 2014 Presented by: Kelda Britton CATG Department of Natural Resources Please contact me for a full list of citations. kelda@catg.org CATG is a consortium of 10 Gwich'in and Koyukon Athabascan tribes located throughout the Yukon Flats. Arctic Village, Beaver, Birch Creek, Canyon Village, Chalkyitsik, Circle, Fort Yukon, Rampart, Stevens Village and Venetie are the remote

  11. Wood and Wood Waste - Energy Explained, Your Guide To Understanding Energy

    Energy Information Administration (EIA) (indexed site)

    - Energy Information Administration Wood and Wood Waste Energy Explained - Home What Is Energy? Forms of Energy Sources of Energy Laws of Energy Units and Calculators Energy Conversion Calculators British Thermal Units (Btu) Degree-Days U.S. Energy Facts State and U.S. Territory Data Use of Energy In Industry For Transportation In Homes In Commercial Buildings Efficiency and Conservation Energy and the Environment Greenhouse Gases Effect on the Climate Where Greenhouse Gases Come From

  12. Woods Hole Research Center Wind Turbine | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Hole Research Center Wind Turbine Jump to: navigation, search Name Woods Hole Research Center Wind Turbine Facility Woods Hole Research Center Wind Turbine Sector Wind energy...

  13. Council of Athabascan Tribal Governments - Wood Energy Program...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    0 November 2008 Gwitchyaa Zhee Corporation CATG - AWEA For-Profit Wood Energy Business Model Fort Yukon * Forest Management Service - CATG * For-Profit Wood Utility Company -...

  14. Wood Energy Scenarios and Southern Markets | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Wood Energy Scenarios and Southern Markets Wood Energy Scenarios and Southern Markets Breakout Session 1A: Assessing America's Biomass Potential (2016 Billion-Ton Report) Wood Energy Scenarios and Southern Markets Prakash Nepal, Research Assistant Professor, U.S. Department of Agriculture and North Carolina State University nepal_bioenergy_2016.pdf (1.96 MB) More Documents & Publications Bioenergy Demand in a Market Driven Forest Economy (U.S. South) U.S. Billion-Ton Update: Biomass Supply

  15. Feasibility for Wood Heat - Collaborative Integrated Wood Energy...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    for Wood Heat * Non-Profit Consortium of Ten Tribal ... Forestry, Fire Management, Self- Governance, ... coordination's across organizations 2 boilers and one ...

  16. LANL debuts hybrid garbage truck

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    key feature in the stop-and-go life of a garbage truck. Traditional trucks lose that energy as heat during braking. The "Hydraulic Launch Assist" system can generate up to 380...

  17. Wood Energy Scenarios and Southern Markets

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    WOOD ENERGY SCENARIOS AND SOUTHERN MARKETS PRAKASH NEPAL 1 , KAREN ABT 2 , KEN SKOG 3 , ROBERT ABT 1 1 DEPARTMENT OF FORESTRY & ENVIRONMENTAL RESOURCES, NORTH CAROLINA STATE UNIVERSITY 2 USDA FOREST SERVICE, SOUTHERN RESEARCH STATION, RESEARCH TRIANGLE PARK 3 USDA FOREST SERVICE, FOREST PRODUCTS LABORATORY, MADISON, WI (RETIRED) Photo: Juergen Henkelmann, Alamy Photo: conserve-energy-future.com Photo: Duke University BACKGROUND  Previous billion ton reports did not explicitly consider

  18. Fort Yukon Wood Energy Program: Wood Boiler Deployment

    Energy.gov [DOE] (indexed site)

    Oil cost per year for school 210,000 Fuel cost for electrical generation 1.4 M Cord Wood 275 - 300 per cord Kwh 0.77 (rate increase coming) Propane 203.89 per 100 ...

  19. Wood-Ridge, New Jersey: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Wood-Ridge, New Jersey: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 40.8456555, -74.0879195 Show Map Loading map... "minzoom":false,"mappin...

  20. Fort Yukon Wood Energy Program: Wood Boiler Deployment

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    By: Karonhiakta'tie Bryan Maracle and Bill Wall - Council of Athabascan Tribal Governments (CATG) - Consortia of 10 Tribal Governments of Interior Alaska - Gwitchyaa Zhee Corporation (GZ Corp) - Alaska Native Claims Settlement Act Village Corporation - Alaska Village Initiatives (AVI) - Rural Alaska economic development organization - First off grid, off road system biomass CHP in the world - 8 miles north of the Arctic Circle - New Power House - Wood Chip Boiler - District Heating loop

  1. Wood To Fuel LLC | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    To Fuel LLC Jump to: navigation, search Name: Wood To Fuel LLC Place: Lackawana, New York Zip: 14208 Product: Wood fuelproduct supplier. Coordinates: 41.401932, -75.637848...

  2. Duffield Wood Pellets | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Duffield Wood Pellets Jump to: navigation, search Name: Duffield Wood Pellets Place: North Yorkshire, United Kingdom Zip: HG4 5JB Product: A Yorkshire-based, family-run producer of...

  3. Wood and Pellet Heating | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Heat & Cool » Home Heating Systems » Wood and Pellet Heating Wood and Pellet Heating A wood stove on a stone hearth. | Photo courtesy of ©iStockphoto/King_Louie A wood stove on a stone hearth. | Photo courtesy of ©iStockphoto/King_Louie Today you can choose from a new generation of wood- and pellet-burning appliances that are cleaner burning, more efficient, and powerful enough to heat many average-sized, modern homes. Pellet fuel appliances burn small pellets that measure 3/8 to 1

  4. Wood Energy Production Credit | Department of Energy

    Energy.gov [DOE] (indexed site)

    be claimed for a period of five years; total tax credits cap set at 6,000,000 annually, subject to appropriations Program Info Sector Name State Administrator Division of Energy...

  5. Arbuthnott Wood Pellets Ltd | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Scotland, United Kingdom Zip: AB30 1PA Product: Wood pellet producer. Coordinates: 56.932781, -2.42531 Show Map Loading map... "minzoom":false,"mappingservice":"googlema...

  6. Qualifying Wood Stove Deduction | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Total cost, exclusive of taxes, interest and other finance charges Summary This incentive allows Arizona taxpayers to deduct the cost of converting an existing wood fireplace to a ...

  7. Rachel Woods-Robinson | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Rachel Woods-Robinson About Us Rachel Woods-Robinson - Guest Blogger, Cycle for Science Most Recent Rain or Shine: We Cycle for Science July 2 Mountains, and Teachers, and a Bear, Oh My! June 2 Sol-Cycle: Biking Across America for Science Education May

  8. Alaska Wood Biomass Energy Project Final Report

    SciTech Connect

    Jonathan Bolling

    2009-03-02

    The purpose of the Craig Wood Fired Boiler Project is to use waste wood from local sawmilling operations to provide heat to local public buildings, in an effort to reduce the cost of operating those buildings, and put to productive use a byproduct from the wood milling process that otherwise presents an expense to local mills. The scope of the project included the acquisition of a wood boiler and the delivery systems to feed wood fuel to it, the construction of a building to house the boiler and delivery systems, and connection of the boiler facility to three buildings that will benefit from heat generated by the boiler: the Craig Aquatic Center, the Craig Elementary School, and the Craig Middle School buildings.

  9. Wood Fuel LP | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    77034 Region: Texas Area Sector: Biomass Product: Wood by-products consulting and marketing Website: www.woodfuel.com Coordinates: 29.6221328, -95.1872605 Show Map Loading...

  10. Wood and Pellet Heating | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    to avoid overheating, which wastes fuel and is one of the biggest causes of air pollution. ... urban and rural areas, smoke from wood burning is a major contributor to air pollution. ...

  11. Apparatus for treating garbage

    SciTech Connect

    Chen, C.L.; Chen, K.; Hsien, K.

    1994-01-11

    An apparatus for treating garbage is described. The apparatus has a conveyor, a continuous incinerator receiving garbage from the conveyor, a device for cooling ash carried out of the continuous incinerator, a device for filtering the ash, a pipe for inducing exhaust from the continuous incinerator to a water tank for removing particles and water-soluble components from the exhaust. 1 fig.

  12. Stanford - Woods Institute for the Environment | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    Stanford - Woods Institute for the Environment Jump to: navigation, search Logo: Stanford- Woods Institute for the Environment Name: Stanford- Woods Institute for the Environment...

  13. Council of Athabascan Tribal Governments - Wood Energy Program...

    Office of Environmental Management (EM)

    - Diesel Biomass - Wood diesel hybrid power plant CHP - still dreaming for 200-700 Kwh technology Wood Harvest Company * Harvests wood from GZ lands summer and winter - start ...

  14. Wood energy in Georgia: a five-year progress report

    SciTech Connect

    Not Available

    1982-01-01

    An increasing number of industrial plants and public and residential facilities in Georgia are using wood, Georgia's greatest renewable energy source, to replace gas, oil, coal, and electricity. All wood systems described in this report are or will soon be in operation in schools, prisons, hospitals, and other state facilities, and are producing substantial financial savings. The economic values from increased markets and jobs are important in all areas of the state, with total benefits projected at $2.9 million a year for state taxpayers. 2 figures.

  15. Wood and Pellet Heating Basics | Department of Energy

    Energy Saver

    Wood-burning and pellet fuel appliances use biomass or waste resources to heat homes or ... Modern, centralized wood heaters use wood gasification technology that burns both the wood ...

  16. Wood Heating Fuel Exemption | Department of Energy

    Energy.gov [DOE] (indexed site)

    6%. Source http:programs.dsireusa.orgsystemprogramdetail143 Careers & Internships Contact Us link to facebook link to twitter Email Signup Sign up for updates Go Energy.gov...

  17. Vectorized garbage collection

    SciTech Connect

    Appel, A.W.; Bendiksen, A.

    1988-01-01

    Garbage collection can be done in vector mode on supercomputers like the Cray-2 and the Cyber 205. Both copying collection and mark-and-sweep can be expressed as breadth-first searches in which the queue can be processed in parallel. The authors have designed a copying garbage collector whose inner loop works entirely in vector mode. The only significant limitation of the algorithm is that if the size of the records is not constant, the implementation becomes much more complicated. The authors give performance measurements of the algorithm as implemented for Lisp CONS cells on the Cyber 205. Vector-mode garbage collection performs up to 9 times faster than scalar-mode collection.

  18. Decision-maker's guide to wood fuel for small industrial energy users. Final report. [Includes glossary

    SciTech Connect

    Levi, M. P.; O'Grady, M. J.

    1980-02-01

    The technology and economics of various wood energy systems available to the small industrial and commercial energy user are considered. This book is designed to help a plant manager, engineer, or others in a decision-making role to become more familiar with wood fuel systems and make informed decisions about switching to wood as a fuel. The following subjects are discussed: wood combustion, pelletized wood, fuel storage, fuel handling and preparation, combustion equipment, retrofitting fossil-fueled boilers, cogeneration, pollution abatement, and economic considerations of wood fuel use. (MHR)

  19. Huntington Woods, Michigan: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Hide Map This article is a stub. You can help OpenEI by expanding it. Huntington Woods is a city in Oakland County, Michigan. It falls under Michigan's 12th...

  20. Laguna Woods, California: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Hide Map This article is a stub. You can help OpenEI by expanding it. Laguna Woods is a city in Orange County, California. It falls under California's 48th...

  1. Mission Woods, Kansas: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    article is a stub. You can help OpenEI by expanding it. Mission Woods is a city in Johnson County, Kansas. It falls under Kansas's 3rd congressional district.12 References...

  2. Wood Dale, Illinois: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Hide Map This article is a stub. You can help OpenEI by expanding it. Wood Dale is a city in DuPage County, Illinois. It falls under Illinois' 6th congressional...

  3. Wood County, West Virginia: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Hide Map This article is a stub. You can help OpenEI by expanding it. Wood County is a county in West Virginia. Its FIPS County Code is 107. It is classified as...

  4. Wood County, Texas: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Hide Map This article is a stub. You can help OpenEI by expanding it. Wood County is a county in Texas. Its FIPS County Code is 499. It is classified as ASHRAE...

  5. Wood Village, Oregon: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Hide Map This article is a stub. You can help OpenEI by expanding it. Wood Village is a city in Multnomah County, Oregon. It falls under Oregon's 3rd...

  6. Garbage to hydrocarbon fuel conversion system

    SciTech Connect

    Gould, W.A.

    1986-07-15

    A garbage to hydrocarbon fuel conversion system is described which consists of: (a) a source of combustible garbage; (b) means for pulverizing the garbage; (c) a furnace to burn the garbage; (d) means for transporting the pulverized garbage to the furnace which comprises a motor operated worm feed automatic stoker; (e) a steam generating coil inside the furnace which supplies live steam to power a turbine which in turn powers an alternating current generator; and a condenser which returns remaining the steam to a liquid state for re-circulation through the steam generating coils; (f) means for collecting incompletely combusted waste gases from the furnace; precipitating out dust and light oil for re-combustion in the furnace; and, extracting hydrocarbon gas; where in the means for precipitating out dust and light oil for re-combustion in the furnace comprise a cottrell precipitator wherein oil from an external source is mixed with fine dust received from the exhaust port, wherein an electrostatic charge helps to precipitate the dust; a dust and light oil mixer which provides a homogeneous mixture; and, an oil burner mounted to the furnace whose heat output is supplied to the furnace to add energy thereto; and (g) means for burning trapped heavy gases and removing waste ash from the furnace for disposal.

  7. Energy generation and cogeneration from wood

    SciTech Connect

    Not Available

    1980-01-01

    The papers presented at the conference are included in this volume. Discussions from the four workshops are also provided. The subjects covered in the workshops are: materials handling; combustion technologies - pile, grate, and suspension systems; gasification and pyrolysis systems; and cogeneration. Separate abstracts for each paper have been prepared for inclusion in the Energy Data Base. (DMC)

  8. Lake of the Woods County, Minnesota: Energy Resources | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    in Lake of the Woods County, Minnesota Baudette, Minnesota Roosevelt, Minnesota Williams, Minnesota Retrieved from "http:en.openei.orgwindex.php?titleLakeoftheWoodsC...

  9. New England Wood Pellet LLC | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Pellet LLC Jump to: navigation, search Name: New England Wood Pellet LLC Place: Jaffrey, New Hampshire Zip: NH 03452 Product: New England Wood Pellet LLC is a manufacturer and...

  10. City of Wood River, Nebraska (Utility Company) | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    City of Wood River, Nebraska (Utility Company) Jump to: navigation, search Name: Wood River Municipal Power Place: Nebraska Phone Number: 308.583-2515; 308-583-2066 Website:...

  11. Wood County Electric Coop, Inc | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Wood County Electric Coop, Inc Jump to: navigation, search Name: Wood County Electric Coop, Inc Place: Texas Phone Number: 1-866-415-2951 Website: www.wcec.org Facebook: https:...

  12. Urban Wood-Based Bio-Energy Systems in Seattle

    SciTech Connect

    Stan Gent, Seattle Steam Company

    2010-10-25

    Seattle Steam Company provides thermal energy service (steam) to the majority of buildings and facilities in downtown Seattle, including major hospitals (Swedish and Virginia Mason) and The Northwest (Level I) Regional Trauma Center. Seattle Steam has been heating downtown businesses for 117 years, with an average length of service to its customers of 40 years. In 2008 and 2009 Seattle Steam developed a biomass-fueled renewable energy (bio-energy) system to replace one of its gas-fired boilers that will reduce greenhouse gases, pollutants and the amount of waste sent to landfills. This work in this sub-project included several distinct tasks associated with the biomass project development as follows: a. Engineering and Architecture: Engineering focused on development of system control strategies, development of manuals for start up and commissioning. b. Training: The project developer will train its current operating staff to operate equipment and facilities. c. Flue Gas Clean-Up Equipment Concept Design: The concept development of acid gas emissions control system strategies associated with the supply wood to the project. d. Fuel Supply Management Plan: Development of plans and specifications for the supply of wood. It will include potential fuel sampling analysis and development of contracts for delivery and management of fuel suppliers and handlers. e. Integrated Fuel Management System Development: Seattle Steam requires a biomass Fuel Management System to track and manage the delivery, testing, processing and invoicing of delivered fuel. This application will be web-based and accessed from a password-protected URL, restricting data access and privileges by user-level.

  13. Public attitudes toward garbage disposal. Special report

    SciTech Connect

    1990-05-03

    This document is meant to inform the reader about the results of the National Solid Waste Management Association`s opinion research which focused on public attitudes toward recycling, garbage disposal, waste-to-energy, and other waste management concerns. The general public and opinion leaders were asked a wide range of questions about managing our nation`s solid waste and their responses are listed in percentages.

  14. Massachusetts Schools Switch to Wood Pellets | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Massachusetts Schools Switch to Wood Pellets Massachusetts Schools Switch to Wood Pellets August 20, 2015 - 5:22pm Addthis Art created by a student at John Briggs Elementary School as part of their recent Green Ceremony. John Briggs Elementary is one of the Massachusetts schools switching their heating fuel source from petroleum based fuels to wood pellets. Art created by a student at John Briggs Elementary School as part of their recent Green Ceremony. John Briggs Elementary is one of the

  15. From the Woods to the Refinery | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    From the Woods to the Refinery From the Woods to the Refinery Breakout Session 2D-Building Market Confidence and Understanding II: Carbon Accounting and Woody Biofuels From the Woods to the Refinery Stephen S. Kelley, Principal and Department Head, Department of Forest Biomaterials, North Carolina State University kelley_biomass_2014.pdf (1.77 MB) More Documents & Publications GREET Bioenergy Life Cycle Analysis and Key Issues for Woody Feedstocks Biomass Program Peer Review Sustainability

  16. Wood-Burning Heating System Deduction | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    State Alabama Program Type Rebate Amount 100% Summary This statute allows individual taxpayers a deduction for the purchase and installation of a wood-burning heating system. The...

  17. Water Sampling At Little Valley Area (Wood, 2002) | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Little Valley Area (Wood, 2002) Exploration Activity Details Location...

  18. Water Sampling At Salton Sea Area (Wood, 2002) | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Salton Sea Area (Wood, 2002) Exploration Activity Details Location Salton...

  19. Water Sampling At Heber Area (Wood, 2002) | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Heber Area (Wood, 2002) Exploration Activity Details Location Heber Area...

  20. Energy and environmental innovations for chemically-preserved wood wastes

    SciTech Connect

    NREL

    2000-04-10

    This report is a fact sheet written for the Inventions and Innovation Program about a new method of disposing of chemically treated wood wastes.

  1. International WoodFuels LLC | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Maine Zip: 4101 Product: Maine-based pellet producer and installer of commercial wood pellet heating systems. Coordinates: 45.511795, -122.675629 Show Map Loading map......

  2. Feasibility for Wood Heat - Collaborative Integrated Wood Energy Program for Yukon Flats Villages

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    for Wood Heat * Non-Profit Consortium of Ten Tribal Governments within the Yukon Flats. * CATG Administers several Tribal Programs on behalf of the Tribes. * CATG also applies for and administers several other grants. - IHS, Regional Clinic (Fort Yukon), Health Aids in Each Village, drug and alcohol programs, and other health related programs. - Natural Resources, EPA/IGAP, ANA (Traditional Land use Planning and Mapping), GIS, USDA RC&D, Contracts/Compacts with the USF&W (first tribal

  3. Distributed resource management: garbage collection

    SciTech Connect

    Bagherzadeh, N.

    1987-01-01

    In recent years, there has been a great interest in designing high-performance distributed symbolic-processing computers. These architectures have special needs for resource management and dynamic reclamation of unused memory cells and objects. The memory management or garbage-collection aspects of these architectures are studied. Also introduced is a synchronous distributed algorithm for garbage collection. A special data structure is defined to handle the distributed nature of the problem. The author formally expresses the algorithm and shows the results of a synchronous garbage-collection simulation and its effect on the interconnection-network message to traffic. He presents an asynchronous distributed garbage collection to handle the resource management for a system that does not require a global synchronization mechanism. The distributed data structure is modified to include the asynchronous aspects of the algorithm. This method is extended to a multiple-mutator scheme, and the problem of having several processors share portion of a cyclical graph is discussed. Two models for the analytical study of the garbage-collection algorithms discussed are provided.

  4. Improved multiprocessor garbage collection algorithms

    SciTech Connect

    Newman, I.A.; Stallard, R.P.; Woodward, M.C.

    1983-01-01

    Outlines the results of an investigation of existing multiprocessor garbage collection algorithms and introduces two new algorithms which significantly improve some aspects of the performance of their predecessors. The two algorithms arise from different starting assumptions. One considers the case where the algorithm will terminate successfully whatever list structure is being processed and assumes that the extra data space should be minimised. The other seeks a very fast garbage collection time for list structures that do not contain loops. Results of both theoretical and experimental investigations are given to demonstrate the efficacy of the algorithms. 7 references.

  5. Garbage as fuel: is it worth the headaches

    SciTech Connect

    Reason, J.

    1982-12-01

    The incentive to develop resource recovery is the pressure that municipalities are under to find better ways of getting rid of garbage. Burning not only reduces the volume (by as much as 90%), but it also offers the possibility of the production of energy whose sale can be used to offset the cost of collecting the garbage. Suitable markets for resource-recovery facilities are direct sale of steam to a local industrial plant, district heating, and electric-power generation and sale to an electric utility.

  6. Garbage project on recycling behavior

    SciTech Connect

    McGuire, R.H.; Hughes, W.W.; Rathje, W.L.

    1982-02-01

    Results are presented of a study undertaken to determine the factors which are most effective in motivating different socio-economic groups to change their recycling behaviors and participate in recycling programs. Four types of data were collected and analyzed in Tucson: (1) purchase data from local recyclers, (2) traditional interview-survey data on recycling behavior, (3) long-term and short-term household refuse data, and (4) combined interview-garbage data. Findings reveal that disposal patterns for newspapers and aluminum cans are tuse data, and (4) combined interview-garbage data. Findings reveal that disposal patterns for newspapers and aluminum cans are the same across census tracts with significantly different socio-economic characteristics. Further, analysis of interview and garbage data matched by household reaffirm that what people say about recycling and how they dispose of recyclable materials are two different things. Thus, interview reports of newspaper recycling correlate with higher income informants, but their interview reports do not correlate with what is thrown into their garbage cans. Money is concluded to be the most powerful incentive toward recycling.

  7. Minnesota wood energy scale-up project 1994 establishment cost data

    SciTech Connect

    Downing, M.; Pierce, R.; Kroll, T.

    1996-03-18

    The Minnesota Wood Energy Scale-up Project began in late 1993 with the first trees planted in the spring of 1994. The purpose of the project is to track and monitor economic costs of planting, maintaining and monitoring larger scale commercial plantings. For 15 years, smaller scale research plantings of hybrid poplar have been used to screen for promising, high-yielding poplar clones. In this project 1000 acres of hybrid poplar trees were planted on Conservation Reserve Program (CRP) land near Alexandria, Minnesota in 1994. The fourteen landowners involved re-contracted with the CRP for five-year extensions of their existing 10-year contracts. These extended contracts will expire in 2001, when the plantings are 7 years old. The end use for the trees planted in the Minnesota Wood Energy Scale-up Project is undetermined. They will belong to the owner of the land on which they are planted. There are no current contracts in place for the wood these trees are projected to supply. The structure of the wood industry in the Minnesota has changed drastically over the past 5 years. Stumpage values for fiber have risen to more than $20 per cord in some areas raising the possibility that these trees could be used for fiber rather than energy. Several legislative mandates have forced the State of Minnesota to pursue renewable energy including biomass energy. These mandates, a potential need for an additional 1700 MW of power by 2008 by Northern States Power, and agricultural policies will all affect development of energy markets for wood produced much like agricultural crops. There has been a tremendous amount of local and international interest in the project. Contractual negotiations between area landowners, the CRP, a local Resource Conservation and Development District, the Minnesota Department of Natural Resources and others are currently underway for additional planting of 1000 acres in spring 1995.

  8. There's gold in garbage

    SciTech Connect

    Pollock, C. )

    1987-03-01

    We haven't begun to mine wealth in the world's wastes, but still insist on burying it - even while cities are running out of landfill space. Most of the products available to consumers are purchased, consumed and tossed with little regard for their remaining value. The energy, materials, and environmental losses associated with this consumption pattern are staggering. Recycling offers the opportunity to trim waste-disposal needs, simultaneously reducing disposal costs and combating global environmental problems. Recycling metals, paper, glass, plastics, and organic wastes lessens the demand for energy and materials.

  9. BIA Southwest Region - Wood Energy Assessment for BIA Schools and Facilities in the Southwest Region

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Wood Energy Assessment for BIA Schools and Facilities in Southwest Region John Waconda, BIA Southwest Region Regional Forester 505-563-3360 Tribal Energy Review October 26, 2006 Project Objectives/Goals * Seek viable solutions to forest product utilization challenges in support of fuels reduction activities, forest health/timber stand improvement projects, and assisting tribal and other forest enterprises seeking higher valued use for waste material. * Demonstrate to tribes and ourselves that

  10. From garbage to electricity

    SciTech Connect

    Nagl, G.

    1997-03-01

    Landfills provide an easy-to-tap source of methane gas to fuel power-generation gas turbines. However, they also produce hydrogen sulfide which when burned in a gas turbine, produces acidic sulfur dioxide that corrodes plant equipment and erodes community support. The Central Sanitary Landfill and Recycling Center in Broward County FL operates the nation`s largest landfill gas to energy plant. After Hurricane Andrew hydrogen sulfide became a big problem. To reduce this and other air pollution problems, the Center installed the LO-CAT II process. This process removes hydrogen sulfide from landfill gas, eliminating oders and cutting corrosion. This article describes process alternatives, the process itself and the success of the project.

  11. Profiles in garbage: Old newspaper

    SciTech Connect

    Miller, C.

    1998-08-01

    Newspapers are printed on newsprint. Newsprint is an uncoated groundwood paper that is made by mechanically grinding wood pulp without first removing lignin and other components of wood pulp. This creates a different product than the chemical pulping process used to make office paper and other grades of paper. Old newspaper (ONP) is the term used for scrap newspapers. More than 64.2 million newspapers are sold every day by the 1,664 daily newspapers in North America. The amount of newspapers generated by increased by 5.2 million tons since 1960, but its market share of solid waste decreased by 27%. Newspaper recycling increased by 4.9 million tons and the recycling rate doubled during that period.

  12. Garbage In, Power Out: South Carolina BMW Plant Demonstrates Landfill Gas

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    to Hydrogen Fuel | Department of Energy Garbage In, Power Out: South Carolina BMW Plant Demonstrates Landfill Gas to Hydrogen Fuel Garbage In, Power Out: South Carolina BMW Plant Demonstrates Landfill Gas to Hydrogen Fuel August 25, 2015 - 2:15pm Addthis The plant BMW plant in Greer, South Carolina is home to the world's largest fleet of fuel cell forklifts. | Photo courtesy of BMW Manufacturing. The plant BMW plant in Greer, South Carolina is home to the world's largest fleet of fuel cell

  13. Methanol production from Eucalyptus wood chips. Working document I. The Florida Eucalyptus energy farm: silvicultural methods and considerations

    SciTech Connect

    Fishkind, H.H.

    1982-04-01

    The silvicultural matrix within which the nation's first large scale wood energy plantation will develop is described in detail. The relevant literature reviewed is identified and distilled. The plantation history, site preparation, planting, species selection, maintenance and management, harvesting, and the Eucalyptus biomass production estimates are presented.

  14. Wood energy and preservation of woodlands in semi-arid developing countries. The case of Dodoma region, Tanzania

    SciTech Connect

    Allen, J.C.

    1985-01-01

    At present little land and labour resources are expended on energy production, but the woodlands in Dodoma are disappearing, causing villagers to save time by switching from fuelwood collected on foot to charcoal shipped in by truck. Results of a linear program show that if the costs of growing the wood for charcoal are counted the switch to charcoal saves time only in areas where population is relatively dense and natural woodland remote. Woodland preservation in Dodoma will require more plantations, increased plantation productivity, improved efficiency of charcoal kilns or stoves and ultimately a switch to some other fuel than wood.

  15. Water Sampling At Hot Lake Area (Wood, 2002) | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Hot Lake Area (Wood, 2002) Exploration Activity Details Location Hot Lake...

  16. Wood pellet production

    SciTech Connect

    Moore, J.W.

    1983-08-01

    Southern Energy Limited's wood pellet refinery, Bristol, Florida, produces wood pellets for fuel from scrap wood from a nearby sawmill and other hog fuel delivered to the plant from nearby forest lands. The refinery will provide 50,000 tons of pellets per year to the Florida State Hospital at Chattahoochee to fire recently converted boilers in the central power plant. The pellets are densified wood, having a moisture content of about 10% and a heating value of 8000 Btu/lb. They are 0.5 inches in diameter and 2 to 3 inches in length.

  17. Final Report: Development of Renewable Microbial Polyesters for Cost Effective and Energy- Efficient Wood-Plastic Composites

    SciTech Connect

    Thompson, David N.; Emerick, Robert W.; England, Alfred B.; Flanders, James P.; Loge, Frank J.; Wiedeman, Katherine A.; Wolcott, Michael P.

    2010-03-31

    In this project, we proposed to produce wood fiber reinforced thermoplastic composites (WFRTCs) using microbial thermoplastic polyesters in place of petroleum-derived plastic. WFRTCs are a rapidly growing product area, averaging a 38% growth rate since 1997. Their production is dependent on substantial quantities of petroleum based thermoplastics, increasing their overall energy costs by over 230% when compared to traditional Engineered Wood Products (EWP). Utilizing bio-based thermoplastics for these materials can reduce our dependence on foreign petroleum. We have demonstrated that biopolymers (polyhydroxyalkanoates, PHA) can be successfully produced from wood pulping waste streams and that viable wood fiber reinforced thermoplastic composite products can be produced from these materials. The results show that microbial polyester (PHB in this study) can be extruded together with wastewater-derived cell mass and wood flour into deck products having performance properties comparable to existing commercial HDPE/WF composite products. This study has thus proven the underlying concept that the microbial polyesters produced from waste effluents can be used to make cost-effective and energy-efficient wood-plastic composites. The cost of purified microbial polyesters is about 5-20 times that of HDPE depending on the cost of crude oil, due to high purification (40%), carbon substrate (40%) and sterilized fermentation (20%) costs for the PHB. Hence, the ability to produce competitive and functional composites with unpurified PHA-biomass mixtures from waste carbon sources in unsterile systems—without cell debris removal—is a significant step forward in producing competitive value-added structural composites from forest products residuals using a biorefinery approach. As demonstrated in the energy and waste analysis for the project, significant energy savings and waste reductions can also be realized using this approach. We recommend that the next step for development of

  18. Title 43 CFR 3620 Free Use of Petrified Wood | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    620 Free Use of Petrified Wood Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- Federal RegulationFederal Regulation: Title 43 CFR 3620 Free Use...

  19. James F. Wood

    Energy.gov [DOE]

    James F. Wood is currently Deputy Assistant Secretary for Clean Coal in the Office of Fossil Energy (FE). In this position, he is responsible for the management and direction of the Office's...

  20. Global garbage collection for distributed heap storage systems

    SciTech Connect

    Ali, K.A.M.; Haridi, S.

    1986-10-01

    The authors present a garbage-collection algorithm, suitable for loosely-coupled multi-processor systems, in which the processing elements (PEs) share only the communication medium. The algorithm is global, i.e., it involves all the PEs in the system. It allows space compaction, and it uses a system-wide marking phase to mark all accessible objects where a combination of parallel breadth-first/depth-first strategies is used for tracing the object-graphs according to a decentralized credit mechanism that regulates the number of garbage collections messages in the system. The credit mechanism is crucial for determining the space requirement of the garbage-collection messages. Also a variation of this algorithm is presented for systems with high locality of reference. It allows each PE to perform first its local garbage collection and only invokes the global garbage collection when the freed space by the local collector is insufficient.

  1. Treating garbage and wastes to obtain methane

    SciTech Connect

    Ishida, M.; Haga, R.; Odawara, Y.

    1981-09-08

    The starch-containing garbage is subjected to an alcohol-producing anaerobic fermentation in the slurry state without sterilizing the garbage in the presence of one or more ethanol-producing yeasts which directly converts starch producing anaerobic fermentation in the presence of CH/sub 4/-producing bacteria. Thus, 3 kg slurry of 10% organic concentration was mixed with 0.5 kg seed culture prepared in advance by mix-culturing Saccharomyces cerevisiae, Saccharomyces diasbtitics, and Candia lipolitica at pH 5 and 30 degrees for 3 days. The mixture was charged into a stainless steel container, stirred at 100 rpm, 30 degrees, and pH 5.0 for 3 days, then from the 4th day onward a continual charging was effected at load of 25 g dried organics per day. The neutralized slurry was gasified in a tank at 60 degrees with residence time of 12 days and pH 7.8. A gas containing 75 volume percent CH/sub 4/ was generated at 35 L/kg slurry.

  2. STEO October 2012 - wood

    Energy Information Administration (EIA) (indexed site)

    More U.S. households burning wood this winter to stay warm, reversing two-decade decline Burning wood as the primary heating source in U.S. households has risen over the last 10 years, reversing the decline seen in the 1980s and 1990s. About 2.6 million households out of 115 million will rely on wood as the main way to warm their homes this winter. That's up 3 percent from last year, according to the U.S. Energy Information Administration's new winter fuels forecast. The West will have the most

  3. Recycling and computerized garbage tracking cut city's costs

    SciTech Connect

    Norris, J.L. )

    1994-02-01

    This article describes Athens, Ohio efforts to encourage recycling and minimizing of landfilled garbage by a sliding rate system for garbage collection that accommodates the highly transient nature of this college community. Residential waste going to the landfill has been reduced by as much as 50 percent. Recycling is scheduled the same day as garbage collection. Recycling crews sort all items and package them for sale. Yard wastes are also recycled and are co-mingled with digested municipal sludge generated at the waste-water treatment plant and applied on agricultural fields as a soil conditioner.

  4. Analysis of the Multi-Phase Copying Garbage Collection Algorithm

    SciTech Connect

    Podhorszki, Norbert

    2009-01-01

    The multi-phase copying garbage collection was designed to avoid the need for large amount of reserved memory usually required for the copying types of garbage collection algorithms. The collection is performed in multiple phases using the available free memory. This paper proves that the number of phases depends on the size of the reserved memory and the ratio of the garbage and accessible objects. The performance of the implemented algorithm is tested in a fine-grained parallel Prolog system. We find that reserving only 10% of memory for garbage collection is sufficient for good performance in practice. Additionally, an improvement of the generic algorithm specifically for the tested parallel Prolog system is described.

  5. Parallel garbage collection on a virtual memory system

    SciTech Connect

    Abraham, S.G.; Patel, J.H.

    1987-01-01

    Since most artificial intelligence applications are programmed in list processing languages, it is important to design architectures to support efficient garbage collection. This paper presents an architecture and an associated algorithm for parallel garbage collection on a virtual memory system. All the previously proposed parallel algorithms attempt to collect cells released by the list processor during the garbage collection cycle. We do not attempt to collect such cells. As a consequence, the list processor incurs little overhead in the proposed scheme, since it need not synchronize with the collector. Most parallel algorithms are designed for shared memory machines which have certain implicit synchronization functions on variable access. The proposed algorithm is designed for virtual memory systems where both the list processor and the garbage collector have private memories. The enforcement of coherence between the two private memories can be expensive and is not necessary in our scheme. 15 refs., 3 figs.

  6. Parallel garbage collection without synchronization overhead. Technical report

    SciTech Connect

    Patel, J.H.

    1984-08-01

    Incremental garbage-collection schemes incur substantial overhead that is directly translated as reduced execution efficiency for the user. Parallel garbage-collection schemes implemented via time-slicing on a serial processor also incur this overhead, which might even be aggravated due to context switching. It is useful, therefore, to examine the possibility of implementing a parallel garbage-collection algorithm using a separate processor operating asynchronously with the main-list processor. The overhead in such a scheme arises from the synchronization necessary to manage the two processors, maintaining memory consistency. In this paper, the authors present an architecture and supporting parallel garbage-collection algorithms designed for a virtual memory system with separate processors for list processing and for garbage collection. Each processor has its own primary memory; in addition, there is a small common memory which both processors may access. Individual memories swap off a common secondary memory, but no locking mechanism is required. In particular, a page may reside in both memories simultaneously, and indeed may be accessed and modified freely by each processor. A secondary memory controller ensures consistency without necessitating numerous lockouts on the pages.

  7. Apparatus for converting garbage into a fuel gas

    SciTech Connect

    Szloboda, D.T.

    1982-10-05

    Garbage to be converted is fed into the upper end of a vertical chamber. A gas collection chamber is provided around the upper end of the chamber and a blower is used for lowering the pressure in this gas collection chamber. The lower pressure causes a draw within a combustion zone defined at the lower end of the garbage chamber. The draw promotes combustion of garbage in the combustion zone much in the same manner that the draw by a pipe smoker will promote combustion within the bowl of his pipe. The gas collected in the gas chamber is delivered through a water filled cleaner or filter. The gas discharged from the upper end of the filter is ready for use in a power device or a furnace, or it may be collected and compressed or even liquified, into a storage container, for easy mobility and later use.

  8. Municipal garbage disposal: A problem we cannot ignore

    SciTech Connect

    Not Available

    1989-01-01

    In 1980 the US generated 150 million metric tons of municipal solid waste, and this figure is expected to increase to over 200 million metric tons by 1990. This comment discusses the traditional approaches to waste management, as well as current options available for waste disposal and the federal environmental laws that impinge on these options. Next, the national dimensions of the garbage disposal problem, as epitomized by the garbage barge and the international export of waste generated by this country, are discussed. This Comment concludes with recommendations for a change in public policy to foster recycling, taxing non-biodegradable products, as well as more stringent regulatory controls on solid waste disposal.

  9. Lab employees don't treat their trash like garbage

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Lab Employees Don't Treat Their Trash Like Garbage Community Connections: Your link to news and opportunities from Los Alamos National Laboratory Latest Issue:November 2, 2016 all issues All Issues » submit Lab employees don't treat their trash like garbage Last year, the Lab recycled 47 percent of its solid, non-hazardous waste. January 1, 2013 dummy image Read our archives Contacts Editor Linda Anderman Email Community Programs Office Kurt Steinhaus Email The Lab's recycle rate of 47 percent

  10. Plant That Makes Fuel Out Of Garbage and Waste Called A Success

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Plant That Makes Fuel Out Of Garbage and Waste Called A Success For more information contact: e:mail: Public Affairs Golden, Colo., May 5, 1999 — The final report on a demonstration of a technology for turning organic wastes into fuel, energy and other products calls the project a success and concludes there are no major issues standing in the way of the technology being commercialized on a larger scale. The report is on the operation of the high solids anaerobic digester (HSAD) in Stanton,

  11. Processes change the look of wood fuel

    SciTech Connect

    Zerbe, J.I.

    1980-06-01

    The various forms of wood-derived fuels are reviewed, these include briquetted and pelleted wood products. Charcoal, obtained by pyrolysis has a heating value one and a half times the equivalent weight of the dry wood from which it was made. By process modifications, more oil and gas may be produced instead of charcoal. At Albany, Oregon two barrels of oil are produced daily by hydrogenation of one ton of dry wood chips. It is stated that methanol can be synthesized from solid wood - by wood gasification - with a 38% energy efficiency while ethanol can also be made from wood. The use of wood fuels for electric power generation and cogeneration are also mentioned.

  12. Processes change the look of wood fuel

    SciTech Connect

    Zerbe, J.I.

    1980-06-01

    The various forms of wood-derived fuels are reviewed; these include briquetted and pelleted wood products. Charcoal, obtained by pyrolysis has a heating value one and a half times the equivalent weight of the dry wood from which it was made. By process modifications, more oil and gas may be produced instead of charcoal. At Albany, Oregon two barrels of oil are produced daily by hydrogenation of one ton of dry wood chips. It is stated that methanol can be synthesized from solid wood - by wood gasification - with a 38% energy efficiency while ethanol can also be made from wood. The use of wood fuels for electric power generation and cogeneration are also mentioned.

  13. Emissions of dioxins and furans from garbage-burning incinerators can be minimized by good combustion practices

    SciTech Connect

    Not Available

    1987-10-01

    The American Society of Mechanical Engineers (ASME) have stated that emissions of dioxin and furan from garbage-burning incinerators can be minimized by good combustion practices. They have found that maintaining the heat of combustion above 815 degrees centigrade and reducing the carbon monoxide level to below 100 ppm will reduce the emissions of furan and dioxin. The combustion research that lead to these conclusions was sponsored by ASME and the New York energy authority

  14. Garbage collection for functional languages in a distributed system

    SciTech Connect

    Eckart, J.D.

    1987-01-01

    Garbage collection is a helpful facility provided by many applicative languages such as Prolog, SISAL, FP, and Lisp. While these, and other, languages provide easy recognition of actions that may be executed in parallel, the garbage-collection algorithms used for single-machine environments become significantly more inefficient in multi-machine environments. Thus, in order to make effective use of these languages, more-efficient algorithms for collecting inter-machine structures is needed. Reference marking is the algorithm developed to meet these needs. It takes advantage of the semantics of applicative languages allowing each parallel action to be responsible for collecting any discarded structures it was responsible for creating. Simulation results comparing the performance of reference marking with other distributed garbage-collection algorithms are given. A variety of problem types and sizes are examined to determine the effects of particular styles of computation on each of the garbage-collection algorithms. The results gathered demonstrate the usefulness of the reference-marking algorithm in both uni- and multi-machine systems.

  15. Making manufacturers responsible for recycling: Passing the garbage buck

    SciTech Connect

    Chilton, K.; Boerner, C.; Ansehl-Fellow, J.

    1995-09-01

    During a meeting with the Conference of Mayor and the National Association of Counties in April of 1993, Senator Max Baucus, then-Chairman of the Senate Environment and Public Works Committee, unveiled his solution to America`s {open_quotes}garbage crisis{close_quotes}. Modeled after Germany`s draconian {open_quotes}green dot{close_quotes} recycling program, the Senator`s solution rested on a principle which he called {open_quotes}manufacturers` responsibility for the life-cycle of a product.{close_quotes} {open_quotes}Anyone who sells a product,{close_quotes} Senator Baucus noted, {open_quotes}should also be responsible for the product when it becomes waste{close_quotes}. Other variations on this life-cycle stewardship concept were a central element of Congress`s failed attempts in 1992-1993 to reauthorize the Resource Conservation and Recovery Act (RCRA). Likewise, on July 11, 1994 the United States Conference of Mayors` Energy and Environment Committee passed a resolution calling on Congress to study the concept of {open_quotes}shared responsibility for waste reduction{close_quotes}. The committee cited the virtues of Western Europe`s systems of manufacturers` responsibility and claimed that a U.S. version would create jobs, promote new environmental technology and {open_quotes}result in the emergence of entire new industries{close_quotes}. This report describes a recycling program in Germany in which the manaufacturers are responsible for waste collection. The overall waste reduction benefits are described.

  16. Methanol production from eucalyptus wood chips. Attachment V. The Florida eucalyptus energy farm: environmental impacts

    SciTech Connect

    Fishkind, H.H.

    1982-06-01

    The overall environmental impact of the eucalyptus to methanol energy system in Florida is assessed. The environmental impacts associated with the following steps of the process are considered: (1) the greenhouse and laboratory; (2) the eucalyptus plantation; (3) transporting the mature logs; (4) the hammermill; and (5) the methanol synthesis plant. Next, the environmental effects of methanol as an undiluted motor fuel, methanol as a gasoline blend, and gasoline as motor fuels are compared. Finally, the environmental effects of the eucalypt gasification/methanol synthesis system are compared to the coal liquefaction and conversion system.

  17. Coordinated garbage collection for raid array of solid state disks

    DOEpatents

    Dillow, David A; Ki, Youngjae; Oral, Hakki S; Shipman, Galen M; Wang, Feiyi

    2014-04-29

    An optimized redundant array of solid state devices may include an array of one or more optimized solid-state devices and a controller coupled to the solid-state devices for managing the solid-state devices. The controller may be configured to globally coordinate the garbage collection activities of each of said optimized solid-state devices, for instance, to minimize the degraded performance time and increase the optimal performance time of the entire array of devices.

  18. Table 3.6 Selected Wood and Wood-Related Products in Fuel Consumption, 2010;

    Energy Information Administration (EIA) (indexed site)

    Table 3.6 Selected Wood and Wood-Related Products in Fuel Consumption, 2010; Level: National and Regional Data; Row: Selected NAICS Codes; Column: Energy Sources; Unit: Trillion Btu. Wood Residues and Wood-Related Pulping Liquor Wood Byproducts and NAICS or Biomass Agricultural Harvested Directly from Mill Paper-Related Code(a) Subsector and Industry Black Liquor Total(b) Waste(c) from Trees(d) Processing(e) Refuse(f) Total United States 311 Food 0 44 43 * * 1 311221 Wet Corn Milling 0 1 1 0 0 0

  19. Garbage power projects multiply as cities seek ways to get rid of trash economically

    SciTech Connect

    Smock, R.

    1984-05-01

    Trash-to-energy projects increased to at least a dozen during 1983 as the refuse-derived fuel (RDF) concept began competing with imported mass-burn technology. Although the trend is encouraging, the potential for power production will be small even if all major cities were to build facilities. The trend is encouraging new suppliers and joint ventures to the market, and the government is asking suppliers to take over the environmental impact analyses and permitting work. No utilities have become owners of garbage-to-energy systems, but many cities are interested in making local efforts. Some utilities are using RDF as a supplemental fuel in boilers designed to burn both coal and RDF. 1 figure.

  20. Biomass: Wood as Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Coordinator USDA Forest Service State & Private Forestry ... habitat and forest health Modern Woody Biomass ... Requires manual fuel delivery & stoking Pellets Meter ...

  1. Logs Wood Chips Straw Corn Switchgrass

    Energy.gov [DOE] (indexed site)

    Clean energy can come from the sun. The energy in wind can make electricity. Bioenergy comes from plants we can turn into fuel. Logs Wood Chips Straw Corn Switchgrass We can use ...

  2. Municipal garbage/trash as a viable fuel for DHC systems

    SciTech Connect

    Levenhagen, J.I.

    1990-01-01

    This paper will discuss the state of the art of MSW plants and offer an overview of the following topics: The history of MSW in the U.S.; The scope of MSW, with emphasis on composition, energy and content; Types of WTE plants; Problems of emissions; Federal and state regulations; Solutions for emissions problems; Final solutions for municipalities. It should be noted that WTE plants are not the final solution for SMW problems in the U.S. There are other options and solutions to the nationwide garbage problems, which include recycling and composting as well as changing the packaging for industrial and consumer goods. Thus, no single technique is the final and complete solution. A combination of WTE plants, recycling, and composting{emdash}as well as a change in attitude toward packing{emdash}will give the U.S. a more final solution.

  3. A garbage collection algorithm for shared memory parallel processors

    SciTech Connect

    Crammond, J. )

    1988-12-01

    This paper describes a technique for adapting the Morris sliding garbage collection algorithm to execute on parallel machines with shared memory. The algorithm is described within the framework of an implementation of the parallel logic language Parlog. However, the algorithm is a general one and can easily be adapted to parallel Prolog systems and to other languages. The performance of the algorithm executing a few simple Parlog benchmarks is analyzed. Finally, it is shown how the technique for parallelizing the sequential algorithm can be adapted for a semi-space copying algorithm.

  4. Restoring Sustainable Forests on Appalachian Mined Lands for Wood Product, Renewable Energy, Carbon Sequestration, and Other Ecosystem Services

    SciTech Connect

    Burger, James A

    2006-09-30

    technology and/or knowledge of reforestation practices in these situations may provide opportunities to reduce the costs of converting many of these sites as research continues into these practices. It also appears that in many cases substantial payments, non-revenue values, or carbon values are required to reach profitability under the present circumstances. It is unclear when, or in what form, markets will develop to support any of these add-on values to supplement commercial forestry revenues. However, as these markets do develop, they will only enhance the viability of forestry on reclaimed mined lands, although as we demonstrate in our analysis of carbon payments, the form of the revenue source may itself influence management, potentially mitigating some of the benefits of reforestation. For a representative mined-land resource base, reforestation of mined lands with mixed pine-hardwood species would result in an average estimated C accumulation in forms that can be harvested for use as wood products or are likely to remain in the soil C pool at ~250 Mg C ha{sup -1} over a 60 year period following reforestation. The additionality of this potential C sequestration was estimated considering data in scientific literature that defines C accumulation in mined-land grasslands over the long term. Given assumptions detailed in the text, these lands have the potential to sequester ~180 Mg C ha{sup -1}, a total of 53.5 x 10{sup 6} Mg C, over 60 years, an average of ~900,000 Mg C / yr, an amount equivalent to about 0.04% of projected US C emissions at the midpoint of a 60-year period (circa 2040) following assumed reforestation. Although potential sequestration quantities are not great relative to potential national needs should an energy-related C emissions offset requirement be developed at some future date, these lands are available and unused for other economically valued purposes and many possess soil and site properties that are well-suited to reforestation. Should such

  5. Garbage collection: an exercise in distributed, fault-tolerant programming

    SciTech Connect

    Vestal, S.C.

    1987-01-01

    Two garbage-collection algorithms are presented to reclaim unused storage in object-oriented systems implemented on local area networks. The algorithms are fault-tolerant and allowed parallel, incremental collection in an object address space distributed throughout the system. The two approaches allow multiple collectors, so some unused storage can be reclaimed in partitioned networks. The first method makes use of fault-tolerant reference counts together with an algorithm to collect cycles of objects that would otherwise remain unclaimed. The second method adapts a parallel collector so that it can be used to collect subspaces of the entire network address space. Throughout this work concern is with a methodology for developing distributed, parallel, fault-tolerant programs. Also, there is concern with the suitability of object-oriented systems for such applications.

  6. Germany, garbage, and the green dot: Challenging the throwaway society

    SciTech Connect

    Fishbein, B.K.

    1994-09-01

    For US policymakers and citizens who are grappling with the question of how to handle this country's mounting municipal garbage and commercial wastes, this report offers a revolutionary approach taken by Germany to promote both recycling and source reduction. The sweeping new German legislation is stimulating industry efforts to reduce packaging and product waste by requiring that the businesses producing packages and products be financially responsible for taking back their used materials and recycling, reusing or disposing of them. This report describes what Germans have done in solid waste policies, the difficulties they are confronting and the impact on wastes to date. It discusses the environmental problems that the US and other industrialized countries face, identifies practical solutions: programs and policies that work to conserve our valuable air, land, water and natural resources and enable us to live and do business less wastefully.

  7. Efficient parallel global garbage collection on massively parallel computers

    SciTech Connect

    Kamada, Tomio; Matsuoka, Satoshi; Yonezawa, Akinori

    1994-12-31

    On distributed-memory high-performance MPPs where processors are interconnected by an asynchronous network, efficient Garbage Collection (GC) becomes difficult due to inter-node references and references within pending, unprocessed messages. The parallel global GC algorithm (1) takes advantage of reference locality, (2) efficiently traverses references over nodes, (3) admits minimum pause time of ongoing computations, and (4) has been shown to scale up to 1024 node MPPs. The algorithm employs a global weight counting scheme to substantially reduce message traffic. The two methods for confirming the arrival of pending messages are used: one counts numbers of messages and the other uses network `bulldozing.` Performance evaluation in actual implementations on a multicomputer with 32-1024 nodes, Fujitsu AP1000, reveals various favorable properties of the algorithm.

  8. Coordinating Garbage Collection for Arrays of Solid-state Drives

    SciTech Connect

    Kim, Youngjae; Lee, Junghee; Oral, H Sarp; Dillow, David A; Wang, Feiyi; Shipman, Galen M

    2014-01-01

    Although solid-state drives (SSDs) offer significant performance improvements over hard disk drives (HDDs) for a number of workloads, they can exhibit substantial variance in request latency and throughput as a result of garbage collection (GC). When GC conflicts with an I/O stream, the stream can make no forward progress until the GC cycle completes. GC cycles are scheduled by logic internal to the SSD based on several factors such as the pattern, frequency, and volume of write requests. When SSDs are used in a RAID with currently available technology, the lack of coordination of the SSD-local GC cycles amplifies this performance variance. We propose a global garbage collection (GGC) mechanism to improve response times and reduce performance variability for a RAID of SSDs. We include a high-level design of SSD-aware RAID controller and GGC-capable SSD devices and algorithms to coordinate the GGC cycles. We develop reactive and proactive GC coordination algorithms and evaluate their I/O performance and block erase counts for various workloads. Our simulations show that GC coordination by a reactive scheme improves average response time and reduces performance variability for a wide variety of enterprise workloads. For bursty, write-dominated workloads, response time was improved by 69% and performance variability was reduced by 71%. We show that a proactive GC coordination algorithm can further improve the I/O response times by up to 9% and the performance variability by up to 15%. We also observe that it could increase the lifetimes of SSDs with some workloads (e.g. Financial) by reducing the number of block erase counts by up to 79% relative to a reactive algorithm for write-dominant enterprise workloads.

  9. Looking down in the dumps for energy

    SciTech Connect

    Teresi, D.

    1980-01-01

    General review of the mounting garbage in the US and methods used to recycle it into energy are discussed. These methods include drilling garbage landfills for methane at the Palos Verdes site, processing refuse to convert it into electricity at Hempstead and material recovery of iron, steel, aluminum and glass, also at Hempstead.

  10. RESTORING SUSTAINABLE FORESTS ON APPALACHIAN MINED LANDS FOR WOOD PRODUCTS, RENEWABLE ENERGY, CARBON SEQUESTRATION, AND OTHER ECOSYSTEM SERVICES

    SciTech Connect

    J. Burger; J. Galbraith; T. Fox; G. Amacher; J. Sullivan; C. Zipper

    2003-12-18

    The overall purpose of this project is to evaluate the biological and economic feasibility of restoring high-quality forests on mined land, and to measure carbon sequestration and wood production benefits that would be achieved from forest restoration procedures. In this quarterly report, we present a preliminary comparison of the carbon sequestration benefits for two forest types used to convert abandoned grasslands for carbon sequestration. Annual mixed hardwood benefits, based on total stand carbon volume present at the end of a given year, range from a minimum of $0/ton of carbon to a maximum of $5.26/ton of carbon (low prices). White pine benefits based on carbon volume range from a minimum of $0/ton of carbon to a maximum of $18.61/ton of carbon (high prices). The higher maximum white pine carbon payment can primarily be attributed to the fact that the shorter rotation means that payments for white pine carbon are being made on far less cumulative carbon tonnage than for that of the long-rotation hardwoods. Therefore, the payment per ton of white pine carbon needs to be higher than that of the hardwoods in order to render the conversion to white pine profitable by the end of a rotation. These carbon payments may seem appealingly low to the incentive provider. However, payments (not discounted) made over a full rotation may add up to approximately $17,493/ha for white pine (30-year rotation), and $18,820/ha for mixed hardwoods (60-year rotation). The literature suggests a range of carbon sequestration costs, from $0/ton of carbon to $120/ton of carbon, although the majority of studies suggest a cost below $50/ ton of carbon, with van Kooten et al. (2000) suggesting a cutoff cost of $20/ton of carbon sequestered. Thus, the ranges of carbon payments estimated for this study fall well within the ranges of carbon sequestration costs estimated in previous studies.

  11. RESTORING SUSTAINABLE FORESTS ON APPALACHIAN MINED LANDS FOR WOOD PRODUCTS, RENEWABLE ENERGY, CARBON SEQUESTRATION, AND OTHER ECOSYSTEM SERVICES

    SciTech Connect

    J. Burger; J. Galbraith; T. Fox; G. Amacher; J. Sullivan; C. Zipper

    2004-06-04

    The overall purpose of this project is to evaluate the biological and economic feasibility of restoring high-quality forests on mined land, and to measure carbon sequestration and wood production benefits that would be achieved from forest restoration procedures. In this quarterly report, we present a preliminary comparison of the carbon sequestration potential of forests growing on 14 mined sites in a seven-state region in the Midwestern and Eastern Coalfields. Carbon contents of these forests were compared to adjacent forests on non-mined land. The study was installed as a 3 x 3 factorial in a random complete block design with three replications at each location. The treatments include three forest types (white pine, hybrid poplar, mixed hardwood) and three silvicultural regimes (competition control, competition control plus tillage, competition control plus tillage plus fertilization). Each individual treatment plot is 0.5 acres. Each block of nine plots requires 4.5 acres, and the complete installation at each site requires 13.5 acres. The plots at all three locations have been installed and the plot corners marked with PVC stakes. GPS coordinates of each plot have been collected. Soil samples were collected from each plot to characterize the sites prior to treatment. Analysis of soil samples was completed and these data are being used to prepare fertilizer prescriptions. Fertilizer prescripts will be developed for each site. Fertilizer will be applied during the second quarter 2004. Data are included as appendices in this report. As part of our economic analysis of mined land reforestation, we focused on the implications of a shift in reforestation burden from the landowner to the mine operator. Results suggest that the reforestation of mined lands as part of the mining operation creates a viable and profitable forest enterprise for landowners with greater potential for carbon sequestration.

  12. RESTORING SUSTAINABLE FORESTS ON APPALACHIAN MINED LANDS FOR WOOD PRODUCTS, RENEWABLE ENERGY, CARBON SEQUESTRATION, AND OTHER ECOSYSTEM SERVICES

    SciTech Connect

    Jonathan Aggett

    2003-12-15

    The overall purpose of this project is to evaluate the biological and economic feasibility of restoring high-quality forests on mined land, and to measure carbon sequestration and wood production benefits that would be achieved from forest restoration procedures. In this segment of work, our goal was to review methods for estimating tree survival, growth, yield and value of forests growing on surface mined land in the eastern coalfields of the USA, and to determine the extent to which carbon sequestration is influenced by these factors. Public Law 95-87, the Surface Mining Control and Reclamation Act of 1977 (SMCRA), mandates that mined land be reclaimed in a fashion that renders the land at least as productive after mining as it was before mining. In the central Appalachian region, where prime farmland and economic development opportunities for mined land are scarce, the most practical land use choices are hayland/pasture, wildlife habitat, or forest land. Since 1977, the majority of mined land has been reclaimed as hayland/pasture or wildlife habitat, which is less expensive to reclaim than forest land, since there are no tree planting costs. As a result, there are now hundreds of thousands of hectares of grasslands and scrublands in various stages of natural succession located throughout otherwise forested mountains in the U.S. A literature review was done to develop the basis for an economic feasibility study of a range of land-use conversion scenarios. Procedures were developed for both mixed hardwoods and white pine under a set of low product prices and under a set of high product prices. Economic feasibility is based on land expectation values. Further, our review shows that three types of incentive schemes might be important: (1) lump sum payment at planting (and equivalent series of annual payments); (2) revenue incentive at harvest; and (3) benefit based on carbon volume.

  13. A Semi-Preemptive Garbage Collector for Solid State Drives

    SciTech Connect

    Lee, Junghee; Kim, Youngjae; Shipman, Galen M; Oral, H Sarp; Wang, Feiyi; Kim, Jongman

    2011-01-01

    NAND flash memory is a preferred storage media for various platforms ranging from embedded systems to enterprise-scale systems. Flash devices do not have any mechanical moving parts and provide low-latency access. They also require less power compared to rotating media. Unlike hard disks, flash devices use out-of-update operations and they require a garbage collection (GC) process to reclaim invalid pages to create free blocks. This GC process is a major cause of performance degradation when running concurrently with other I/O operations as internal bandwidth is consumed to reclaim these invalid pages. The invocation of the GC process is generally governed by a low watermark on free blocks and other internal device metrics that different workloads meet at different intervals. This results in I/O performance that is highly dependent on workload characteristics. In this paper, we examine the GC process and propose a semi-preemptive GC scheme that can preempt on-going GC processing and service pending I/O requests in the queue. Moreover, we further enhance flash performance by pipelining internal GC operations and merge them with pending I/O requests whenever possible. Our experimental evaluation of this semi-preemptive GC sheme with realistic workloads demonstrate both improved performance and reduced performance variability. Write-dominant workloads show up to a 66.56% improvement in average response time with a 83.30% reduced variance in response time compared to the non-preemptive GC scheme.

  14. Restoring Sustainable Forests on Appalachian Mined Lands for Wood Products, Renewable Energy, Carbon Sequestration, and Other Ecosystem Services

    SciTech Connect

    James A. Burger; J. Galbraith; T. Fox; G. Amacher; J. Sullivan; C. Zipper

    2005-12-01

    The overall purpose of this project is to evaluate the biological and economic feasibility of restoring high-quality forests on mined land, and to measure carbon sequestration and wood production benefits that would be achieved from forest restoration procedures. We are currently estimating the acreage of lands in Virginia, West Virginia, Kentucky, Ohio, and Pennsylvania mined under SMCRA and reclaimed to non-forested post-mining land uses that are not currently under active management, and therefore can be considered as available for carbon sequestration. To determine actual sequestration under different forest management scenarios, a field study was installed as a 3 x 3 factorial in a random complete block design with three replications at each of three locations, one each in Ohio, West Virginia, and Virginia. The treatments included three forest types (white pine, hybrid poplar, mixed hardwood) and three silvicultural regimes (competition control, competition control plus tillage, competition control plus tillage plus fertilization). Each individual treatment plot is 0.5 acres. Each block of nine plots is 4.5 acres, and the complete installation at each site is 13.5 acres. Regression models of chemical and physical soil properties were created in order to estimate the SOC content down the soil profile. Soil organic carbon concentration and volumetric percent of the fines decreased exponentially down the soil profile. The results indicated that one-third of the total SOC content on mined lands was found in the surface 0-13 cm soil layer, and more than two-thirds of it was located in the 0-53 cm soil profile. A relative estimate of soil density may be best in broad-scale mine soil mapping since actual D{sub b} values are often inaccurate and difficult to obtain in rocky mine soils. Carbon sequestration potential is also a function of silvicultural practices used for reforestation success. Weed control plus tillage may be the optimum treatment for hardwoods and

  15. RESTORING SUSTAINABLE FORESTS ON APPALACHIAN MINED LANDS FOR WOOD PRODUCTS, RENEWABLE ENERGY, CARBON SEQUESTRATION, AND OTHER ECOSYSTEM SERVICES

    SciTech Connect

    James A. Burger; J. Galbraith; T. Fox; G. Amacher; J. Sullivan; C. Zipper

    2005-06-08

    The overall purpose of this project is to evaluate the biological and economic feasibility of restoring high-quality forests on mined land, and to measure carbon sequestration and wood production benefits that would be achieved from forest restoration procedures. We are currently estimating the acreage of lands in VA, WV, KY, OH, and PA mined under SMCRA and reclaimed to non-forested post-mining land uses that are not currently under active management, and therefore can be considered as available for carbon sequestration. To determine actual sequestration under different forest management scenarios, a field study was installed as a 3 x 3 factorial in a random complete block design with three replications at each of three locations, Ohio, West Virginia, and Virginia. The treatments included three forest types (white pine, hybrid poplar, mixed hardwood) and three silvicultural regimes (competition control, competition control plus tillage, competition control plus tillage plus fertilization). Each individual treatment plot is 0.5 acres. Each block of nine plots is 4.5 acres, and the complete installation at each site is 13.5 acres. During the reporting period we compiled and evaluated all soil properties measured on the study sites. Statistical analysis of the properties was conducted, and first year survival and growth of white pine, hybrid poplars, and native hardwoods was assessed. Hardwood species survived better at all sites than white pine or hybrid poplar. Hardwood survival across treatments was 80%, 85%, and 50% for sites in Virginia, West Virginia, and Ohio, respectively, while white pine survival was 27%, 41%, and 58%, and hybrid poplar survival was 37%, 41%, and 72% for the same sites, respectively. Hybrid poplar height and diameter growth were superior to those of the other species tested, with the height growth of this species reaching 126.6cm after one year in the most intensive treatment at the site in Virginia. To determine carbon in soils on these

  16. Wood fuel technologies and group-oriented Timber Stand Improvement Program: model for waste wood utilization and resource renewal

    SciTech Connect

    Not Available

    1980-01-01

    Progress is reported on the following: educating and assisting landowners in the most efficient and profitable use of wood resources; developing local timber resources as energy alternatives by representing collective interests to Consumers Power, the woodchip industry, firewood retailers, country residents, and woodlot owners; and providing public information on the economics and methods of wood heat as a supplemental energy source. (MHR)

  17. Blog Feed: Vehicles | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    class"field-item odd">Source: Energy Information Administration Short Term Energy Outlook. Chart by energy.govcontributorsdaniel-wood">Daniel Wood.<...

  18. Restoring Sustainable Forests on Appalachian Mined Lands for Wood Products, Renewable Energy, Carbon Sequestration, and Other Ecosystem Services

    SciTech Connect

    Burger, James A

    2005-07-20

    The overall purpose of this project is to evaluate the biological and economic feasibility of restoring high-quality forests on mined land, and to measure carbon sequestration and wood production benefits that would be achieved from forest restoration procedures. We are currently estimating the acreage of lands in Virginia, West Virginia, Kentucky, Ohio, and Pennsylvania mined under SMCRA and reclaimed to non-forested post-mining land uses that are not currently under active management, and therefore can be considered as available for carbon sequestration. To determine actual sequestration under different forest management scenarios, a field study was installed as a 3 x 3 factorial in a random complete block design with three replications at each of three locations, one each in Ohio, West Virginia, and Virginia. The treatments included three forest types (white pine, hybrid poplar, mixed hardwood) and three silvicultural regimes (competition control, competition control plus tillage, competition control plus tillage plus fertilization). Each individual treatment plot is 0.5 acres. Each block of nine plots is 4.5 acres, and the complete installation at each site is 13.5 acres. During the reporting period we determined that by grinding the soil samples to a finer particle size of less than 250 μm (sieve No. 60), the effect of mine soil coal particle size on the extent to which these particles will be oxidized during the thermal treatment of the carbon partitioning procedure will be eliminated, thus making the procedure more accurate and precise. In the second phase of the carbon sequestration project, we focused our attention on determining the sample size required for carbon accounting on grassland mined fields in order to achieve a desired accuracy and precision of the final soil organic carbon (SOC) estimate. A mine land site quality classification scheme was developed and some field-testing of the methods of implementation was completed. The classification model

  19. Cord Wood Testing in a Non-Catalytic Wood Stove

    SciTech Connect

    Butcher, T.; Trojanowski, R.; Wei, G.

    2014-06-30

    EPA Method 28 and the current wood stove regulations have been in-place since 1988. Recently, EPA proposed an update to the existing NSPS for wood stove regulations which includes a plan to transition from the current crib wood fuel to cord wood fuel for certification testing. Cord wood is seen as generally more representative of field conditions while the crib wood is seen as more repeatable. In any change of certification test fuel, there are questions about the impact on measured results and the correlation between tests with the two different fuels. The purpose of the work reported here is to provide data on the performance of a noncatalytic stove with cord wood. The stove selected has previously been certified with crib wood which provides a basis for comparison with cord wood. Overall, particulate emissions were found to be considerably higher with cord wood.

  20. Garbage in, garbage out

    SciTech Connect

    Mann, C.

    1987-01-01

    Many US cities are using incinerators to replace landfills for municipal waste disposal. The plants burn municipal waste as fuel to generate steam and electricity, while reducing the volume of trash by 60-90%. But, along with electricity the plants are generating concern among environmentalists, who say the ash the plants produce and the emissions from their stacks are serious health hazards. In EPA tests every sample of fly ash showed unacceptable levels of toxic metals such as lead and cadmium. Concentrations of dioxin and furan are also present in fly ash.

  1. Generating power with waste wood

    SciTech Connect

    Atkins, R.S.

    1995-02-01

    Among the biomass renewables, waste wood has great potential with environmental and economic benefits highlighting its resume. The topics of this article include alternate waste wood fuel streams; combustion benefits; waste wood comparisons; waste wood ash; pilot scale tests; full-scale test data; permitting difficulties; and future needs.

  2. Transportation fuels from wood

    SciTech Connect

    Baker, E.G.; Elliott, D.C.; Stevens, D.J.

    1980-01-01

    The various methods of producing transportation fuels from wood are evaluated in this paper. These methods include direct liquefaction schemes such as hydrolysis/fermentation, pyrolysis, and thermochemical liquefaction. Indirect liquefaction techniques involve gasification followed by liquid fuels synthesis such as methanol synthesis or the Fischer-Tropsch synthesis. The cost of transportation fuels produced by the various methods are compared. In addition, three ongoing programs at Pacific Northwest Laboratory dealing with liquid fuels from wood are described.

  3. Methanol production from eucalyptus wood chips. Attachment III. Florida's eucalyptus energy farm and methanol refinery: the background environment

    SciTech Connect

    Fishkind, H.H.

    1982-04-01

    A wide array of general background information is presented on the Central Florida area in which the eucalyptus energy plantation and methanol refinery will be located. Five counties in Central Florida may be affected by the project, DeSoto, Hardee, Hillsborough, Manatee, and Polk. The human resources of the area are reviewed. Included are overviews of population demographic and economic trends. Land use patterns and the transportation are system described, and the region's archeological and recreational resources are evaluated. The region's air quality is emphasized. The overall climate is described along with noise and air shed properties. An analysis of the region's water resources is included. Ground water is discussed first followed by an analysis of surface water. Then the overall quality and water supply/demand balance for the area is evaluated. An overview of the region's biota is presented. Included here are discussions of the general ecosystems in Central Florida, and an analysis of areas with important biological significance. Finally, land resources are examined.

  4. Table 3.6 Selected Wood and Wood-Related Products in Fuel Consumption, 2002

    Energy Information Administration (EIA) (indexed site)

    6 Selected Wood and Wood-Related Products in Fuel Consumption, 2002;" " Level: National and Regional Data; " " Row: Selected NAICS Codes; Column: Energy Sources;" " Unit: Trillion Btu." ,,"S e l e c t e d","W o o d","a n d","W o o d -","R e l a t e d","P r o d u c t s" ,,,,,"B i o m a s s" ,,,,,,"Wood Residues" ,,,,,,"and","Wood-Related" " ","

  5. Using landfill gas for energy: Projects that pay

    SciTech Connect

    1995-02-01

    Pending Environmental Protection Agency regulations will require 500 to 700 landfills to control gas emissions resulting from decomposing garbage. Conversion of landfill gas to energy not only meets regulations, but also creates energy and revenue for local governments.

  6. Effect of wood chip size on update gasifier-combustor operation

    SciTech Connect

    Payne, F.A.; Dunlap, J.L.; Caussanel, P.

    1984-01-01

    Three wood chip sizes were tested in a 0.3 GJ/h updraft gasifier-combustor. Thermal output did not vary significantly between wood chips. Pressure and temperature profiles were measured in the gasifier bed. Channeling occurred with the small wood chips. Efficiency of the combustor was determined by a mass and energy balance and an enthalpy technique.

  7. Precision wood particle feedstocks

    DOEpatents

    Dooley, James H; Lanning, David N

    2013-07-30

    Wood particles having fibers aligned in a grain, wherein: the wood particles are characterized by a length dimension (L) aligned substantially parallel to the grain, a width dimension (W) normal to L and aligned cross grain, and a height dimension (H) normal to W and L; the L.times.H dimensions define two side surfaces characterized by substantially intact longitudinally arrayed fibers; the W.times.H dimensions define two cross-grain end surfaces characterized individually as aligned either normal to the grain or oblique to the grain; the L.times.W dimensions define two substantially parallel top and bottom surfaces; and, a majority of the W.times.H surfaces in the mixture of wood particles have end checking.

  8. Gas pollution control apparatus and method and wood drying system employing same

    SciTech Connect

    Eatherton, J.R.

    1984-02-14

    Pollution control apparatus and method are disclosed in which hot exhaust gas containing pollutants including solid particles and hydrocarbon vapors is treated by transmitting such exhaust gas through a container containing wood members, such as wood chips, which serve as a filter media for filtering out such pollutants by causing such solids to deposit and such hydrocarbon vapors to condense upon the surface of the wood members. The contaminated wood chips are discharged from the filter and further processed into chip board or other commercial wood products thereby disposing of the pollutants. Lumber may be used as the wood members of the filter in a lumber kiln by deposition of solid particles on the rough surface of such lumber. The contaminated surfaces of the lumber are removed by a planer which produces a smooth finished lumber and contaminated wood chips that may be processed into chip board or other commercial wood products. A wood drying system employing such pollution control apparatus and method includes a hot air dryer for wood or other organic material, such as a wood chip rotary dryer or a wood veneer dryer, which produces hot exhaust gases containing pollutants including hydrocarbon vapors and solid particles. This hot exhaust air is transmitted through a lumber kiln to dry lumber thereby conserving heat energy and causing solid particle pollutants to deposit on the surface of the lumber. The kiln exhaust air containing solid and hydrocarbon vapor pollutants is then transmitted up through a filter stack of wood chips.

  9. How Much Wood Would a North Country School Chip

    Office of Energy Efficiency and Renewable Energy (EERE)

    North Country School in Lake Placid, New York, recently installed a high-efficiency wood chip boiler using Recovery Act funds from the New York State Energy Research and Development Authority. Using wood sourced from their sustainably managed woodlot and local forests, the school will be able to cut energy costs by $38,970 annually and reduce carbon dioxide emissions by 184 tons per year.

  10. Harmonia: A Globally Coordinated Garbage Collector for Arrays of Solid-state Drives

    SciTech Connect

    Kim, Youngjae; Oral, H Sarp; Shipman, Galen M; Lee, Junghee; Dillow, David A; Wang, Feiyi

    2011-01-01

    Solid-State Drives (SSDs) offer significant performance improvements over hard disk drives (HDD) on a number of workloads. The frequency of garbage collection (GC) activity is directly correlated with the pattern, frequency, and volume of write requests, and scheduling of GC is controlled by logic internal to the SSD. SSDs can exhibit significant performance degradations when garbage collection (GC) conflicts with an ongoing I/O request stream. When using SSDs in a RAID array, the lack of coordination of the local GC processes amplifies these performance degradations. No RAID controller or SSD available today has the technology to overcome this limitation. This paper presents Harmonia, a Global Garbage Collection (GGC) mechanism to improve response times and reduce performance variability for a RAID array of SSDs. Our proposal includes a high-level design of SSD-aware RAID controller and GGC-capable SSD devices, as well as algorithms to coordinate the global GC cycles. Our simulations show that this design improves response time and reduces performance variability for a wide variety of enterprise workloads. For bursty, write dominant workloads response time was improved by 69% while performance variability was reduced by 71%.

  11. Comparing Coordinated Garbage Collection Algorithms for Arrays of Solid-state Drives

    SciTech Connect

    Lee, Junghee; Kim, Youngjae; Oral, H Sarp; Shipman, Galen M; Dillow, David A; Wang, Feiyi

    2012-01-01

    Solid-State Drives (SSDs) offer significant performance improvements over hard disk drives (HDD) on a number of workloads. The frequency of garbage collection (GC) activity is directly correlated with the pattern, frequency, and volume of write requests, and scheduling of GC is controlled by logic internal to the SSD. SSDs can exhibit significant performance degradations when garbage collection (GC) conflicts with an ongoing I/O request stream. When using SSDs in a RAID array, the lack of coordination of the local GC processes amplifies these performance degradations. No RAID controller or SSD available today has the technology to overcome this limitation. In our previous work, we presented a Global Garbage Collection (GGC) mechanism to improve response times and reduce performance variability for a RAID array of SSDs. A coordination method is employed so that GCs in the array can run at the same time. The coordination can exhibit substantial performance improvement. In this paper, we explore various GC coordination algorithms. We develop reactive and proactive GC coordination algorithms and evaluate their I/O performance and block erase counts for various workloads. We show that a proactive GC coordination algorithm can improve the I/O response times by up to 9% further and increase the lifetime of SSDs by reducing the number of block erase counts by up to 79% compared to a reactive algorithm.

  12. Mann Naturenergie GmbH Co KG | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Biofuels, Renewable Energy Product: Mann Naturenergie is engaged in renewable energy production and distribution. It offers biofuels like wood chips, wood briquettes or...

  13. Evaluation of processes for producing gasoline from wood. Final report

    SciTech Connect

    1980-05-01

    Three processes for producing gasoline from wood by pyrolysis have been investigated. Technical and economic comparisons among the processes have been made, based on a hypothetical common plant size of 2000 tons per day green wood chip feedstock. In order to consider the entire fuel production process, the energy and cost inputs for producing and delivering the feedstock were included in the analysis. In addition, perspective has been provided by comparisons of the wood-to-gasoline technologies with other similar systems, including coal-to-methanol and various biomass-to-alcohol systems. Based on several assumptions that were required because of the candidate processes' information gaps, comparisons of energy efficiency were made. Several descriptors of energy efficiency were used, but all showed that methanol production from wood, with or without subsequent processing by the Mobil route to gasoline, appears most promising. It must be emphasized, however, that the critical wood-to-methanol system remains conceptual. Another observation was that the ethanol production systems appear inferior to the wood-to-gasoline processes. Each of the processes investigated requires further research and development to answer the questions about their potential contributions confidently. The processes each have so many unknowns that it appears unwise to pursue any one while abandoning the others.

  14. Fast Curing of Composite Wood Products

    SciTech Connect

    Dr. Arthur J. Ragauskas

    2006-04-26

    The overall objective of this program is to develop low temperature curing technologies for UF and PF resins. This will be accomplished by: • Identifying the rate limiting UF and PF curing reactions for current market resins; • Developing new catalysts to accelerate curing reactions at reduced press temperatures and times. In summary, these new curing technologies will improve the strength properties of the composite wood products and minimize the detrimental effects of wood extractives on the final product while significantly reducing energy costs for wood composites. This study is related to the accelerated curing of resins for wood composites such as medium density fiberboard (MDF), particle board (PB) and oriented strandboard (OSB). The latter is frequently manufactured with a phenol-formaldehyde resin whereas ureaformaldehyde (UF) resins are usually used in for the former two grades of composite wood products. One of the reasons that hinder wider use of these resins in the manufacturing of wood composites is the slow curing speed as well as inferior bondability of UF resin. The fast curing of UP and PF resins has been identified as an attractive process development that would allow wood to be bonded at higher moisture contents and at lower press temperatures that currently employed. Several differing additives have been developed to enhance cure rates of PF resins including the use of organic esters, lactones and organic carbonates. A model compound study by Conner, Lorenz and Hirth (2002) employed 2- and 4-hydroxymethylphenol with organic esters to examine the chemical basis for the reported enhanced reactivity. Their studies suggested that the enhance curing in the presence of esters could be due to enhanced quinone methide formation or enhanced intermolecular SN2 reactions. In either case the esters do not function as true catalysts as they are consumed in the reaction and were not found to be incorporated in the polymerized resin product. An

  15. 1994 Washington State directory of Biomass Energy Facilities

    SciTech Connect

    Deshaye, J.A.; Kerstetter, J.D.

    1994-03-01

    This is the fourth edition of the Washington Directory of Biomass Energy Facilities, the first edition was published in 1987. The purpose of this directory is to provide a listing of and basic information about known biomass producers and users within the state to help demonstrate the importance of biomass energy in fueling our state`s energy needs. In 1992 (latest statistical year), estimates show that the industrial sector in Washington consumed nearly 128 trillion Btu of electricity, nearly 49.5 trillion Btu of petroleum, over 82.2 trillion Btu of natural gas, and over 4.2 trillion Btu of coal. Facilities listed in this directory generated approximately 114 trillion Btu of biomass energy - 93 trillion were consumed from waste wood and spent chemicals. In the total industrial energy picture, wood residues and chemical cooking liquors placed second only to electricity. This directory is divided into four main sections biogas production, biomass combustion, ethanol production, and solid fuel processing facilities. Each section contains maps and tables summarizing the information for each type of biomass. Provided in the back of the directory for reference are a conversion table, a table of abbreviations, a glossary, and an index. Chapter 1 deals with biogas production from both landfills and sewage treatment plants in the state. Biogas produced from garbage and sewage can be scrubbed and used to generate electricity. At the present time, biogas collected at landfills is being flared on-site, however four landfills are investigating the feasibility of gas recovery for energy. Landfill biogas accounted for approximately 6 percent of the total biomass reported. Sewage treatment biogas accounted for 0.6 percent. Biogas generated from sewage treatment plants is primarily used for space and process heat, only one facility presently scrubs and sells methane. Together, landfill and sewage treatment plant biogas represented over 6.6 percent of the total biomass reported.

  16. The possibility of garbage, medical and other toxic waste treatment by plasma chemical method

    SciTech Connect

    Rutberg, P.G.; Safronov, A.A.; Bratsev, A.N.; Kuznetsov, V.E.

    1998-12-31

    This paper describes the creation of plasma facility for treatment of toxic waste. All industrialized countries are greatly interested in plasma chemical technology application for the destruction of different types of industrial, building, purification works toxic waste and waste of plants for garbage treatment. On the basis of three-phase plasma generators with power 0.1--1 MW intended for work in air a row of pilot facilities were created for carrying out of experiments on destruction of medical waste and fluorine-chlorine containing substances. The obtained results allow to design and create pilot-commercial plants with treatment productivity of 200 t/24 hours.

  17. Fort Yukon Wood Energy Program: Wood Boiler Deployment

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... 5) operating the Kubota Pictured below (Fig 6), Cynthia James training on the New Holland. ... Shawn Champagne Equipment Training New Holland Tractor and Kubota Kubota Training: ...

  18. Fort Yukon Wood Energy Program: Wood Boiler Deployment

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... Safety Operational efficiency Regulatory compliance Gerald James pictured above (Fig 5) operating the Kubota Pictured below (Fig 6), Cynthia James training on the New Holland. ...

  19. Moisture Distribution and Flow During Drying of Wood and Fiber

    SciTech Connect

    Zink-Sharp, Audrey; Hanna, Robert B.

    2001-12-28

    New understanding, theories, and techniques for moisture flow and distribution were developed in this research on wood and wood fiber. Improved understanding of the mechanisms of flake drying has been provided. Observations of flake drying and drying rate curves revealed that rate of moisture loss consisted of two falling rate periods and no constant rate drying period was observed. Convective heat transfer controls the first period, and bound water diffusion controls the second period. Influence of lower drying temperatures on bending properties of wood flakes was investigated. Drying temperature was found to have a significant influence on bending stiffness and strength. A worksheet for calculation of the energy required to dry a single strandboard flake was developed but has not been tested in an industrial setting yet. A more complete understanding of anisotropic transverse shrinkage of wood is proposed based on test results and statistical analysis. A simplified mod el of a wood cell's cross-section was drawn for calculating differential transverse shrinkage. The model utilizes cell wall thickness and microfibrillar packing density and orientation. In spite of some phenomena of cell wall structure not yet understood completely, the results might explain anisotropic transverse shrinkage to a major extent. Boundary layer theory was found useful for evaluating external moisture resistance during drying. Simulated moisture gradients were quire comparable to the actual gradients in dried wood. A mathematical procedure for determining diffusion and surface emission coefficients was also developed. Thermal conductivity models of wood derived from its anatomical structure were created and tested against experimental values. Model estimations provide insights into changes in heat transfer parameters during drying. Two new techniques for measuring moisture gradients created in wood during drying were developed. A new technique that utilizes optical properties of cobalt

  20. Particulate matter emissions from combustion of wood in district heating applications

    SciTech Connect

    Ghafghazi, S.; Sowlati, T.; Sokhansanj, Shahabaddine; Bi, X.T.; Melin, Staffan

    2011-01-01

    The utilization of wood biomass to generate district heat and power in communities that have access to this energy source is increasing. In this paper the effect of wood fuel properties, combustion condition, and flue gas cleaning system on variation in the amount and formation of particles in the flue gas of typical district heating wood boilers are discussed based on the literature survey. Direct measurements of particulate matter (PM) emissions from wood boilers with district heating applications are reviewed and presented. Finally, recommendations are given regarding the selection of wood fuel, combustion system condition, and flue gas cleaning system in district heating systems in order to meet stringent air quality standards. It is concluded that utilization of high quality wood fuel, such as wood pellets produced from natural, uncontaminated stem wood, would generate the least PM emissions compared to other wood fuel types. Particulate matter emissions from grate burners equipped with electrostatic precipitators when using wood pellets can be well below stringent regulatory emission limit such as particulate emission limit of Metro Vancouver, Canada.

  1. British Thermal Units (Btu) - Energy Explained, Your Guide To...

    Energy Information Administration (EIA) (indexed site)

    Wood and Wood Waste Waste-to-Energy (MSW) Landfill Gas and Biogas Biomass & the Environment See also: Biofuels Biofuels: Ethanol & Biodiesel Ethanol Use of Ethanol Ethanol & the ...

  2. URBAN WOOD/COAL CO-FIRING IN THE NIOSH BOILERPLANT

    SciTech Connect

    James T. Cobb, Jr.; Gene E. Geiger; William W. Elder III; Thomas Stickle; Jun Wang; Hongming Li; William P. Barry

    2002-06-13

    During the third quarter, the experimental portion of the project was carried out. Three one-day tests using wood/coal blends of 33% wood by volume (both construction wood and demolition wood) were conducted at the NIOSH Boiler Plant (NBP). Blends using hammer-milled wood were operationally successful and can form the basis of Phase II. Emissions of SO{sub 2} and NOx decreased and that of CO increased when compared with combusting coal alone. Mercury emissions were measured and the mathematical modeling of mercury speciation reactions continued, yielding many interesting results. Material and energy balances for the test periods at the NBP, as well as at the Bellefield Boiler Plant, were prepared. Steps were taken to remove severe constraints from the Pennsylvania Switchgrass Energy and Conservation Project and to organize the supplying of landfill gas to the Bruceton federal complex. Two presentations were made to meetings of the Electric Power Research Institute and the National Energy Technology Laboratory.

  3. Alpha Renewable Energy | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Renewable Energy Jump to: navigation, search Name: Alpha Renewable Energy Place: Atlanta, Georgia Sector: Biomass Product: Manufacturer of biomass wood gas stoves and standalone...

  4. Point Bio Energy LLC | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Point Bio Energy LLC Jump to: navigation, search Name: Point Bio Energy LLC Place: La Pointe, Wisconsin Product: Wisconsin-based wood fuel pellet producer. References: Point Bio...

  5. Analysis of shared data structures for compile-time garbage collection in logic programs

    SciTech Connect

    Mulkers, A.; Bruynooghe, M. . Dept. Computerwetenschappen); Winsborough, W. )

    1990-01-01

    One of the central problems in program analysis for compile-time garbage collection is detecting the sharing of term substructure that can occur during program execution. We present an abstract domain for representing possibly shared structures and an abstract unification operation based on this domain. When supplied to an abstract interpretation framework, this domain induces a powerful analysis of shared structures. We show that the analysis is sound by relating the abstract domain and operation to variants of the concrete domain and operation (substitutions with term unification) that are augmented with information about the term structures shared in actual implementations. We show these instrumented versions of the concrete domain and operation characterize the takes place in standard implementations. 22 refs., 3 figs.

  6. Scaling up logic-based truth maintenance systems via fact garbage collection

    SciTech Connect

    Everett, J.O.; Forbus, K.D.

    1996-12-31

    Truth maintenance systems provide caches of beliefs and inferences that support explanations and search. Traditionally, the cost of using a TMS is monotonic growth in the size of this cache. In some applications this cost is too high; for example, intelligent learning environments may require students to explore many alternatives, which leads to unacceptable performance. This paper describes an algorithm for fact garbage collection that retains the explanation-generating capabilities of a TMS while eliminating the increased storage overhead. We describe the application context that motivated this work and the properties of applications that benefit from this technique. We present the algorithm, showing how to balance the tradeoff between maintaining a useful cache and reclaiming storage, and analyze its complexity. We demonstrate that this algorithm can eliminate monotonic storage growth, thus making it more practical to field large-scale TMS-based systems.

  7. Energy Information Administration - Energy Efficiency-table 8b...

    Gasoline and Diesel Fuel Update

    sum of all of the listed energy sources, and other energy sources such as wood waste, hydrogen, and waste oils and tars. Sources: Energy Information Administration, Manufacturing...

  8. Energy Information Administration - Energy Efficiency-table 8b...

    Gasoline and Diesel Fuel Update

    sum of all of the listed energy sources, and other energy sources such as wood waste, hydrogen, and waste oils and tars. Sources:Energy Information Administration, Manufacturing...

  9. U.S. Energy Information Administration | State Energy Data 2014...

    Annual Energy Outlook

    87 Section 5. Renewable Energy Renewable energy sources included in the State Energy Data System (SEDS) comprise fuel ethanol, wood, waste, hydroelectric, geothermal, wind, ...

  10. Measure Guideline. Wood Window Repair, Rehabilitation, and Replacement

    SciTech Connect

    Baker, P.; Eng, P.

    2012-12-01

    This measure guideline provides information and guidance on rehabilitating, retrofitting, and replacing existing window assemblies in residential construction. The intent is to provide information regarding means and methods to improve the energy and comfort performance of existing wood window assemblies in a way that takes into consideration component durability, in-service operation, and long term performance of the strategies.

  11. Fossil | Department of Energy

    Energy.gov [DOE] (indexed site)

    by Daniel Wood, Energy Department. Fossil energy sources, including oil, coal and natural gas, are non-renewable resources that formed when prehistoric plants and animals died...

  12. Marcia A. Wood | Argonne National Laboratory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Marcia A. Wood Group Leader, Information Solutions and Technology Assurance B.S. Computer Science, University of St. Francis Telephone 630.252.4656 Fax 630.252.6866 E-mail wood@anl.gov

  13. Wanda Woods | Argonne Leadership Computing Facility

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Wanda Woods Budget & Resource Administrator Wanda Woods Argonne National Laboratory 9700 South Cass Avenue Building 240 - Wkstn. 1C9 Argonne, IL 60439 630-252-1353 wwoods@alcf.anl.gov

  14. Kenneth L. Wood | Argonne National Laboratory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Kenneth L. Wood Senior Engineering Specialist Telephone (630) 252-3971 E-mail klw@hep.anl

  15. Wood Pulp Digetster Wall Corrosion Investigation

    SciTech Connect

    Giles, GE

    2003-09-18

    The modeling of the flow in a wood pulp digester is but one component of the investigation of the corrosion of digesters. This report describes the development of a Near-Wall-Model (NWM) that is intended to couple with a CFD model that determines the flow, heat, and chemical species transport and reaction within the bulk flow of a digester. Lubrication theory approximations were chosen from which to develop a model that could determine the flow conditions within a thin layer near the vessel wall using information from the interior conditions provided by a CFD calculation of the complete digester. The other conditions will be determined by coupled solutions of the wood chip, heat, and chemical species transport and chemical reactions. The NWM was to couple with a digester performance code in an iterative fashion to provide more detailed information about the conditions within the NW region. Process Simulations, Ltd (PSL) is developing the digester performance code. This more detailed (and perhaps more accurate) information from the NWM was to provide an estimate of the conditions that could aggravate the corrosion at the wall. It is intended that this combined tool (NWM-PSL) could be used to understand conditions at/near the wall in order to develop methods to reduce the corrosion. However, development and testing of the NWM flow model took longer than anticipated and the other developments (energy and species transport, chemical reactions and linking with the PSL code) were not completed. The development and testing of the NWM are described in this report. In addition, the investigation of the potential effects of a clear layer (layer reduced in concentration of wood chips) near the wall is reported in Appendix D. The existence of a clear layer was found to enhance the flow near the wall.

  16. Thermal Impact of Fasteners in High-Performance Wood-Framed Walls

    SciTech Connect

    Dane Christensen

    2011-01-01

    This paper discusses high-performance wood-framed walls that use much less than 40% of the energy consumed by similar homes built to minimum code, and evaluates the thermal impact of fasteners used to construct these walls.

  17. ART ICHMI DOE Review Oct2015 Wood-1.pptx

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Technologies- Instrumentation, Control, and Human- Machine Interface (ICHMI) Technology Area Overview Richard Wood Oak Ridge National Laboratory Presented during 2015 Nuclear Energy I&C Review U.S. Department of Energy - Webinar October 28, 2015 2 ICHMI Technology Area Focus is on Achieving Goals and Resolving Challenges for Advanced Reactors * DOE-NE R&D Objective #2 [Develop improvements in the affordability of new reactors...] establishes the primary goal for ART ICHMI research -

  18. Energy.gov's Spooky Energy Units Calculator | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy.gov's Spooky Energy Units Calculator Energy.gov's Spooky Energy Units Calculator This interactive map is not viewable in your browser. Please view it in a modern browser. Calculator by Daniel Wood.

  19. Densified fuels from wood waste

    SciTech Connect

    Pickering, W.H.

    1995-11-01

    Wood compressed to a specific gravity of about 1.2 constitutes an excellent clean burning fuel. {open_quotes}Prestologs{close_quotes} were marketed before 1940, but in the past ten years a much larger and growing market is densified pellet fuel has developed. The market for pellet fuel is about 90% residential, using special pellet burning stoves. Initial sales were almost entirely in the northwest, but sales in other parts of the country are now growing rapidly. Approximately 300,000 stoves are in use. Note that this industry developed from the private sector with little or no support from federal or state governments. Densified fuel is manufactured by drying and compressing sawdust feedstock. Combustion is different than that of normal wood. For example, wood pellets require ample supplies of air. They then burn with a hot flame and very low particulate emissions. Volatile organic compounds are burned almost completely and carbon monoxide can also be kept very low. Stoves burning pellets easily meet EPA standards. This paper discusses technical and economic factors associated with densified fuel and considers the future of the industry.

  20. Monthly Energy Review The Monthly Energy Review

    Gasoline and Diesel Fuel Update

    generated for distribution from wood, waste, geothermal, wind, photovoltaic, and solar thermal energy. e Includes supplemental gaseous fuels. f Products obtained from the...

  1. Dynamics of Wood Chip Storage: Task I

    SciTech Connect

    Sworden, P. G.

    1982-08-01

    The purpose of this report is to document Dow Corning's decision making process in establishing a fuelwood supply and procurement system with emphasis on how this relates to private forest landowners. The report will provide background on the decision to investigate wood energy systems and key management questions in that decision process. Information used to answer the key management questions will be high-lighted and its usefulness documented, including resource assessment and requirements. The report will discuss the development and implementation of the landowner assistance program and supplier-producer program. At the end of the report, Dow Corning's experiences will be summarized and some conclusions drawn concerning the success of the program.

  2. Home Heating | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Heating Home Heating Energy Saver 101 Infographic: Home Heating Energy Saver 101 Infographic: Home Heating Everything you need to know about home heating, including how heating systems work, the different types on the market and proper maintenance. Read more Thermostats Thermostats Save money on heating by automatically setting back your thermostat when you are asleep or away. Read more Wood and Pellet Heating Wood and Pellet Heating Wood and pellets are renewable fuel sources, and modern wood

  3. Energy Information Administration - Energy Efficiency-Table 4...

    Gasoline and Diesel Fuel Update

    3. 'Total' is the sum of all of the listed energy sources, including wood waste, hydrogen, and waste oils and tars. Sources: Energy Information Administration, Manufacturing...

  4. U.S. Energy Information Administration | State Energy Data 2014...

    Annual Energy Outlook

    of hydropower and geothermal, wind, wood, waste, photovoltaic, and solar thermal energy. ... Hydroelectric, Geothermal, Wind, Photovoltaic, and Solar Thermal Energy In SEDS, it is ...

  5. U.S. Energy Information Administration | State Energy Data 2014...

    Annual Energy Outlook

    Expenditures developed in the EIA State Energy Data System (SEDS) are calculated by ... geothermal, wind, solar thermal and photovoltaic energy sources, and some wood and waste. ...

  6. Alice Dasek | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Alice Dasek About Us Alice Dasek - Project Officer, Department of Energy State Energy Program Most Recent How Much Wood Would a North Country School Chip November...

  7. Table N5.2. Selected Wood and Wood-Related Products in Fuel...

    Energy Information Administration (EIA) (indexed site)

    ... for any table cell, multiply the cell's" "corresponding RSE column and RSE row factors. ... "Table N5.2. Selected Wood and Wood-Related Products in Fuel Consumption, 1998;" " Level: ...

  8. Wood and Pellet Heating | Department of Energy

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    a low smolder to avoid overheating, which wastes fuel and is one of the biggest causes of air pollution. An under-sized unit will not provide sufficient heat. You should discuss...

  9. Waste wood processing and combustion for energy

    SciTech Connect

    Not Available

    1992-12-31

    This volume contains the proceedings of the Fifth Annual National Biofuels Conference and Exhibition held October 19--22, 1992 in Newton, Massachusetts. Individual papers have been abstracted and indexed for the database.

  10. Grant F. Wood | Argonne Leadership Computing Facility

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Grant F. Wood Consultant - Project Management 9700 S. Cass Avenue Building 240 Wkstn. 3D18 Argonne, IL 60439 630-252-5315 gfwood

  11. Preemptible I/O Scheduling of Garbage Collection for Solid State Drives

    SciTech Connect

    Lee, Junghee; Kim, Youngjae; Shipman, Galen M; Oral, H Sarp; Kim, Jongman

    2012-01-01

    Abstract Unlike hard disks, flash devices use out-of-update operations and they require a garbage collection (GC) process to reclaim invalid pages to create free blocks. This GC process is a major cause of performance degradation when running concurrently with other I/O operations as internal bandwidth is consumed to reclaim these invalid pages. The invocation of the GC process is generally governed by a low watermark on free blocks and other internal device metrics that different workloads meet at different intervals. This results in I/O performance that is highly dependent on workload characteristics. In this paper, we examine the GC process and propose a semi-preemptible GC scheme that allows GC processing to be preempted while pending I/O requests in the queue are serviced. Moreover, we further enhance flash performance by pipelining internal GC operations and merge them with pending I/O requests whenever possible. Our experimental evaluation of this semipreemptible GC scheme with realistic workloads demonstrate both improved performance and reduced performance variability. Write-dominant workloads show up to a 66.56% improvement in average response time with a 83.30% reduced variance in response time compared to the non-preemptible GC scheme. In addition, we explore opportunities of a new NAND flash device that supports suspend/resume commands for read, write and erase operations for fully preemptible GC. Our experiments with a fully preemptible GC enabled flash device show that request response time can be improved by up to 14.57% compared to semi-preemptible GC.

  12. The effects of storage on the net calorific value of wood pellets

    DOE PAGES [OSTI]

    Lee, Jun Sian; Sokhansanj, S.; Lau, A. K.; Lim, C. J.; Bi, X. T.; Basset, Vaughan; Yazdanpanah, F.; Melin, S.

    2015-06-30

    The wood pellet export from Canada to Europe has been increasing steadily in recent years (roughly 1.8 million ton in 2013). Due to distances involved, wood pellets remain in transit and storage for months before their final consumption. The net calorific value determines the price of wood pellet purchase in Europe. There have been concerns about the changes of net calorific values over time. In this study, the effects of storage time, storage configuration, storage temperature, and wood pellet quality on the net calorific value of wood pellets for a period of 6 months were investigated. Storage configurations were openmore » or closed and storage temperatures were 25 °C, 35 °C and 45 °C. Two types of wood pellets used were whitewood and mixed. The results in closed storage indicated that storage time had a positive effect on the net calorific value where the net calorific value increased by 1% to 2% over the storage period. In open storage, the moisture content had the most significant impact on the net calorific value. The net calorific values of the two types of wood pellets were found to be significantly different at p < 0.001. A multivariable linear regression and analyses of variance performed verified the graphical results. Lastly, the authors postulated that the higher energy potential compounds, such as aldehyde and ketone, produced during pellet storage, caused the increase in net calorific values.« less

  13. The effects of storage on the net calorific value of wood pellets

    SciTech Connect

    Lee, Jun Sian; Sokhansanj, S.; Lau, A. K.; Lim, C. J.; Bi, X. T.; Basset, Vaughan; Yazdanpanah, F.; Melin, S.

    2015-06-30

    The wood pellet export from Canada to Europe has been increasing steadily in recent years (roughly 1.8 million ton in 2013). Due to distances involved, wood pellets remain in transit and storage for months before their final consumption. The net calorific value determines the price of wood pellet purchase in Europe. There have been concerns about the changes of net calorific values over time. In this study, the effects of storage time, storage configuration, storage temperature, and wood pellet quality on the net calorific value of wood pellets for a period of 6 months were investigated. Storage configurations were open or closed and storage temperatures were 25 °C, 35 °C and 45 °C. Two types of wood pellets used were whitewood and mixed. The results in closed storage indicated that storage time had a positive effect on the net calorific value where the net calorific value increased by 1% to 2% over the storage period. In open storage, the moisture content had the most significant impact on the net calorific value. The net calorific values of the two types of wood pellets were found to be significantly different at p < 0.001. A multivariable linear regression and analyses of variance performed verified the graphical results. Lastly, the authors postulated that the higher energy potential compounds, such as aldehyde and ketone, produced during pellet storage, caused the increase in net calorific values.

  14. Waste to Energy

    Energy.gov [DOE] (indexed site)

    pellets or logs from wood, plants, or paper So, what ... Waste to energy - gasification http:... George Roe Research Professor Alaska Center ...

  15. Renewable Energy Systems Exemption

    Energy.gov [DOE]

    Recognized forms of energy generation include solar photovoltaics, passive solar, wind, solid waste, decomposition of organic wastes, geothermal, small hydropower plants, low-emission wood or...

  16. Marcegaglia | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Place: Italy Product: Italy-based steel manufacturer. The company is involved in wood to energy processing and PV module production. References: Marcegaglia1 This article...

  17. Flash pyrolysis products from beech wood

    SciTech Connect

    Beaumont, O.

    1985-04-01

    Flash pyrolysis products from beech wood obtained in an original pyrolysis apparatus were analyzed. The analytical procedure is described, and the composition of pyrolytic oil presented with more than 50 compounds. Comparison of pyrolytic products of cellulose, hemicellulose, and wood indicates the origin of each product. 19 references.

  18. Compound and Elemental Analysis At Little Valley Area (Wood,...

    OpenEI (Open Energy Information) [EERE & EIA]

    Little Valley Area (Wood, 2002) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Compound and Elemental Analysis At Little Valley Area (Wood,...

  19. Incorporation of metal nanoparticles into wood substrate and methods

    DOEpatents

    Rector, Kirk D; Lucas, Marcel

    2015-11-04

    Metal nanoparticles were incorporated into wood. Ionic liquids were used to expand the wood cell wall structure for nanoparticle incorporation into the cell wall structure. Nanoparticles of elemental gold or silver were found to be effective surface enhanced Raman spectroscopy (SERS) imaging contrast or sensing agents. Nanoparticles of elemental iron were found to be efficient microwave absorbers and caused localized heating for disrupting the integrity of the lignocellulosic matrix. Controls suggest that the localized heating around the iron nanoparticles reduces losses of cellulose in the form of water, volatiles and CO.sub.2. The ionic liquid is needed during the incorporation process at room temperature. The use of small amounts of ionic liquid combined with the absence of an ionic liquid purification step and a lower energy and water use are expected to reduce costs in an up-scaled pretreatment process.

  20. URBAN WOOD/COAL CO-FIRING IN THE BELLEFIELD BOILERPLANT

    SciTech Connect

    James T. Cobb Jr.; Gene E. Geiger; William W. Elder III; William P. Barry; Jun Wang; Hongming Li

    2004-04-08

    An Environmental Questionnaire for the demonstration at the Bellefield Boiler Plant (BBP) was submitted to the national Energy Technology Laboratory. An R&D variance for the air permit at the BBP was sought from the Allegheny County Health Department (ACHD). R&D variances for the solid waste permits at the J. A. Rutter Company (JARC), and Emery Tree Service (ETS) were sought from the Pennsylvania Department of Environmental Protection (PADEP). Construction wood was acquired from Thompson Properties and Seven D Corporation. Verbal authorizations were received in all cases. Memoranda of understanding were executed by the University of Pittsburgh with BBP, JARC and ETS. Construction wood was collected from Thompson Properties and from Seven D Corporation. Forty tons of pallet and construction wood were ground to produce BioGrind Wood Chips at JARC and delivered to Mon Valley Transportation Company (MVTC). Five tons of construction wood were hammer milled at ETS and half of the product delivered to MVTC. Blends of wood and coal, produced at MVTC by staff of JARC and MVTC, were shipped by rail to BBP. The experimental portion of the project was carried out at BBP in late March and early April 2001. Several preliminary tests were successfully conducted using blends of 20% and 33% wood by volume. Four one-day tests using a blend of 40% wood by volume were then carried out. Problems of feeding and slagging were experienced with the 40% blend. Light-colored fly ash was observed coming from the stack during all four tests. Emissions of SO{sub 2}, NOx and total particulates, measured by Energy Systems Associates, decreased when compared with combusting coal alone. A procedure for calculating material and energy balances on BBP's Boiler No.1 was developed, using the results of an earlier compliance test at the plant. Material and energy balances were then calculated for the four test periods. Boiler efficiency was found to decrease slightly when the fuel was shifted from coal

  1. Energy Markets

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy Markets November 16, 2015 0 2 4 6 8 10 1990 1994 1998 2002 2006 2010 2014 biofuels geothermal solar wind waste hydroelectric wood 0 2 4 6 8 10 1990 1994 1998 2002 2006 2010...

  2. Energy Markets

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy Markets October 22, 2015 0 2 4 6 8 10 1990 1994 1998 2002 2006 2010 2014 biofuels geothermal solar wind waste hydroelectric wood 0 2 4 6 8 10 1990 1994 1998 2002 2006 2010...

  3. Energy Markets

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy Markets October 29, 2015 0 2 4 6 8 10 1990 1994 1998 2002 2006 2010 2014 biofuels geothermal solar wind waste hydroelectric wood 0 2 4 6 8 10 1990 1994 1998 2002 2006 2010...

  4. Solvolytic liquefaction of wood under mild conditions

    SciTech Connect

    Yu, S.M.

    1982-04-01

    Conversion of wood to liquid products requires cleavage of bonds which crosslink the wood structure. This study examines a low-severity wood solubilization process utilizing a solvent medium consisting of a small amount of sulfuric acid and a potentially wood-derivable alcohol. In one half hour of reaction time at 250/sup 0/C under 15 psia starting nitrogen pressure, over 95% of the wood (maf) was rendered acetone-soluble. The product is a soft, black, bitumen-like solid at room temperature but readily softens at 140/sup 0/C. Between 25 and 50% of the original wood oxygen, depending on alcohol used, was removed as water. Approximately 2 to 17% of the alcohols were retained in the product. Gel permeation chromatography showed that the product's median molecular weight is around 300. Based on experimental and literature results, a mechanism for wood solubilization is proposed. This involves protonation of the etheric oxygen atoms, leading to subsequent bond scission to form carbonium ions which are stabilized by solvent alkoxylation. At severe conditions, polymerization and condensation reactions result in acetone-insoluble materials.

  5. How Much Energy Does Your State Produce? | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy Does Your State Produce? How Much Energy Does Your State Produce? November 10, 2014 - 2:52pm Addthis Energy Production in Trillion Btu: 2012 Click on each state to learn more about how much energy it produces Source: EIA State Energy Data Systems Daniel Wood Daniel Wood Data Visualization and Cartographic Specialist, Office of Public Affairs More Energy Maps Interested in learning more about national energy trends? Learn how much you spend on energy and how much energy you consume. Here

  6. Wood fuel in fluidized bed boilers

    SciTech Connect

    Virr, M.J.

    1982-01-01

    Development of fluidized bed fire-tube and water-tube boilers for the burning of wood, gas, and refuse-derived fuel will be reviewed. Experience gained in already installed plants will be outlined. Research experiments results on the use of various forms of wood and other biomass fuels, such as wood chips, pellets, peach pits, nut shells and kernels and refuse-derived fuels, will be described for small and medium sized fire-tube boilers, and for larger water-tube boilers for co-generation. (Refs. 4).

  7. Assessment of potential wood supply for intermediate scale thermoconversion facilities, Tasks I, II, III

    SciTech Connect

    Not Available

    1985-11-01

    The Department of Energy's Biomass Thermochemical Conversion Program has been concerned with the potential of wood biomass to contribute to the Nation's energy supply. One of the factors inhibiting the selection of wood biomass for energy by non-forest industries, especially by those requiring large quantities (500 to 2000 green tons per day), is concern with adequate fuel supply in terms of both a supply system and an adequate resource base. With respect to the latter, this report looks at the gross resource base as has been historically reported and also examines factors other than traditional product removals that could reduce to some degree the amount of resource that is available. The study also examined the conversion of a New England utility from coal to wood chips.

  8. Commercial Buildings Energy Consumption and Expenditures 1992...

    Energy Information Administration (EIA) (indexed site)

    Consumption and Expenditures Electricity Consumption Natural Gas Consumption Wood and Solar Energy Consumption Fuel Oil and District Heat Consumption Energy Consumption in...

  9. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    Residential Alternative Energy Tax Deduction Eligible biomass energy devices include a pellet stove or EPA-certified wood stove if: Eligibility: Residential Savings Category: Solar...

  10. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    Wind (Small), Geothermal Direct-Use Residential Alternative Energy Tax Deduction Eligible biomass energy devices include a pellet stove or EPA-certified wood stove if: Eligibility:...

  11. Tax Credits, Rebates & Savings | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Fuel Cells using Renewable Fuels Residential Alternative Energy Tax Deduction Eligible biomass energy devices include a pellet stove or EPA-certified wood stove if: Eligibility:...

  12. Tax Credits, Rebates & Savings | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Hydroelectric, Landfill Gas Residential Alternative Energy Tax Deduction Eligible biomass energy devices include a pellet stove or EPA-certified wood stove if: Eligibility:...

  13. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    Residential Alternative Energy Tax Deduction Eligible biomass energy devices include a pellet stove or EPA-certified wood stove if: Eligibility: Residential Savings Category:...

  14. URBAN WOOD/COAL CO-FIRING IN THE BELLEFIELD BOILERPLANT

    SciTech Connect

    James T. Cobb, Jr.; Gene E. Geiger; William W. Elder III; William P. Barry; Jun Wang; Hongming Li

    2001-08-21

    During the third quarter, important preparatory work was continued so that the experimental activities can begin early in the fourth quarter. Authorization was awaited in response to the letter that was submitted to the Allegheny County Health Department (ACHD) seeking an R&D variance for the air permit at the Bellefield Boiler Plant (BBP). Verbal authorizations were received from the Pennsylvania Department of Environmental Protection (PADEP) for R&D variances for solid waste permits at the J. A. Rutter Company (JARC), and Emery Tree Service (ETS). Construction wood was acquired from Thompson Properties and Seven D Corporation. Forty tons of pallet and construction wood were ground to produce BioGrind Wood Chips at JARC and delivered to Mon Valley Transportation Company (MVTC). Five tons of construction wood were milled at ETS and half of the product delivered to MVTC. Discussions were held with BBP and Energy Systems Associates (ESA) about the test program. Material and energy balances on Boiler No.1 and a plan for data collection were prepared. Presentations describing the University of Pittsburgh Wood/Coal Co-Firing Program were provided to the Pittsburgh Chapter of the Pennsylvania Society of Professional Engineers, and the Upgraded Coal Interest Group and the Biomass Interest Group (BIG) of the Electric Power Research Institute (EPRI). An article describing the program appeared in the Pittsburgh Post-Gazette. An application was submitted for authorization for a Pennsylvania Switchgrass Energy and Conservation Program.

  15. From the Woods to the Refinery

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    the Woods to the Refinery CORRIM Life Cycle Analyses of Woody Feedstocks Dr. Steve Kelley ... composition, sugar types, residue fuel value * TC models are sensitive to MC, much less ...

  16. Marin County- Wood Stove Replacement Rebate Program

    Energy.gov [DOE]

    Homes in the San Geronimo Valley (Forest Knolls, Lagunitas, San Geronimo, and Woodacre) can receive a rebate of $1,500 for the removal and replacement of non-certified wood burning appliances with...

  17. Cheshire County, New Hampshire: Energy Resources | Open Energy...

    OpenEI (Open Energy Information) [EERE & EIA]

    5 Climate Zone Subtype A. Registered Energy Companies in Cheshire County, New Hampshire New England Wood Pellet LLC Places in Cheshire County, New Hampshire Alstead, New...

  18. Jaffrey, New Hampshire: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Cheshire County, New Hampshire.1 Registered Energy Companies in Jaffrey, New Hampshire New England Wood Pellet LLC References US Census Bureau Incorporated place and minor...

  19. Amelia County, Virginia: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    4 Climate Zone Subtype A. Energy Generation Facilities in Amelia County, Virginia Scott Wood Biomass Facility Retrieved from "http:en.openei.orgwindex.php?titleAmeliaCo...

  20. Energy Efficiency in Log Homes | Department of Energy

    Office of Environmental Management (EM)

    or purchasing a manufactured log home, you should consider several factors related to energy efficiency. The R-Value of Wood A material's thermal resistance or resistance to...

  1. Worcester Energy Partners Inc WECO | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Worcester Energy Partners Inc (WECO) Place: Deblois, Maine Sector: Biomass Product: Wood processing and biomass power generation business. Coordinates: 44.741278,...

  2. Process for the utilization of household rubbish or garbage and other organic waste products for the production of methane gas

    SciTech Connect

    Hunziker, M.; Schildknecht, A.

    1985-04-16

    Non-organic substances are separated from household garbage and the organic substances are fed in proportioned manner into a mixing tank and converted into slurry by adding liquid. The slurry is crushed for homogenization purposes in a crushing means and passed into a closed holding container. It is then fed over a heat exchanger and heated to 55/sup 0/ to 60/sup 0/ C. The slurry passes into a plurality of reaction vessels in which the methane gas and carbon dioxide are produced. In a separating plant, the mixture of gaseous products is broken down into its components and some of the methane gas is recycled by bubbling it through both the holding tank and the reaction tank, the remainder being stored in gasholders. The organic substances are degraded much more rapidly through increasing the degradation temperature and as a result constructional expenditure can be reduced.

  3. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ago. Besides grinding flour, the power of the water was used to saw wood and power textile mills and manufacturing plants. http:energy.goveerewaterhistory-hydropower...

  4. Search results | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ago. Besides grinding flour, the power of the water was used to saw wood and power textile mills and manufacturing plants. http:energy.goveerewaterhistory-hydropower Page...

  5. Biofuel Solutions | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    developer, which had been developing one plant in Fairmont, Minnesota and another in Wood River, Biofuel Energy LLC took over plant development of Biofuel Solutions' projects in...

  6. Electric co-generation units equipped with wood gasifier and Stirling engine

    SciTech Connect

    Bartolini, C.M.; Caresana, F.; Pelagalli, L.

    1998-07-01

    The disposal of industrial waste such as oil sludges, waste plastic, lubricant oils, paper and wood poses serious problems due to the ever increasing amount of material to be disposed of and to the difficulty in finding new dumping sites. The interest in energy recovery technologies is accordingly on the increase. In particular, large amounts of waste wood are simply burned or thrown away causing considerable environmental damage. In this context the co-generation technique represents one of the possible solutions for efficient energy conversion. The present paper proposes the employment of a Stirling engine as prime mover in a co-generation set equipped with a wood gasifier. A Stirling engine prototype previously developed in a joint project with Mase Generators, an Italian manufacturer of fixed and portable electrogenerators, is illustrated and its design is described.

  7. Hawaii Renewable Electric Power Industry Net Generation, by Energy...

    Energy Information Administration (EIA) (indexed site)

    Hawaii" "Energy Source",2006,2007,2008,2009,2010 "Geothermal",212,230,234,168,201 "Hydro Conventional",120,92,84,113,70 "Solar","-","-","s",1,2 "Wind",80,238,240,251,261 "WoodWood ...

  8. Lowell L. Wood, 1981 | U.S. DOE Office of Science (SC)

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Lowell L. Wood, 1981 The Ernest Orlando Lawrence Award Lawrence Award Home Nomination & Selection Guidelines Award Laureates 2010's 2000's 1990's 1980's 1970's 1960's Ceremony The Life of Ernest Orlando Lawrence Contact Information The Ernest Orlando Lawrence Award U.S. Department of Energy SC-2/Germantown Building 1000 Independence Ave., SW Washington, DC 20585 P: (301) 903-2411 E: Email Us 1980's Lowell L. Wood, 1981 Print Text Size: A A A FeedbackShare Page National Security: For his

  9. International Trade of Wood Pellets (Brochure)

    SciTech Connect

    Not Available

    2013-05-01

    The production of wood pellets has increased dramatically in recent years due in large part to aggressive emissions policy in the European Union; the main markets that currently supply the European market are North America and Russia. However, current market circumstances and trade dynamics could change depending on the development of emerging markets, foreign exchange rates, and the evolution of carbon policies. This fact sheet outlines the existing and potential participants in the wood pellets market, along with historical data on production, trade, and prices.

  10. Residential Wood Heating Fuel Exemption

    Office of Energy Efficiency and Renewable Energy (EERE)

    The New York Department of Taxation and Finance publishes a variety of sales tax reports detailing local tax rates and exemptions, including those for residential energy services. The residential...

  11. Woods County, Oklahoma: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    County, Oklahoma Alva, Oklahoma Avard, Oklahoma Capron, Oklahoma Dacoma, Oklahoma Freedom, Oklahoma Waynoka, Oklahoma Retrieved from "http:en.openei.orgw...

  12. Wood County, Ohio: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Ohio Haskins, Ohio Hoytville, Ohio Jerry City, Ohio Luckey, Ohio Millbury, Ohio Milton Center, Ohio North Baltimore, Ohio Northwood, Ohio Pemberville, Ohio Perrysburg, Ohio...

  13. Wood County, Wisconsin: Energy Resources | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Marshfield, Wisconsin Milladore, Wisconsin Nekoosa, Wisconsin Pittsville, Wisconsin Port Edwards, Wisconsin Remington, Wisconsin Richfield, Wisconsin Rock, Wisconsin Rudolph,...

  14. Method of predicting mechanical properties of decayed wood

    DOEpatents

    Kelley, Stephen S.

    2003-07-15

    A method for determining the mechanical properties of decayed wood that has been exposed to wood decay microorganisms, comprising: a) illuminating a surface of decayed wood that has been exposed to wood decay microorganisms with wavelengths from visible and near infrared (VIS-NIR) spectra; b) analyzing the surface of the decayed wood using a spectrometric method, the method generating a first spectral data of wavelengths in VIS-NIR spectra region; and c) using a multivariate analysis to predict mechanical properties of decayed wood by comparing the first spectral data with a calibration model, the calibration model comprising a second spectrometric method of spectral data of wavelengths in VIS-NIR spectra obtained from a reference decay wood, the second spectral data being correlated with a known mechanical property analytical result obtained from the reference decayed wood.

  15. Genomics of wood-degrading fungi (Journal Article) | DOE PAGES

    Office of Scientific and Technical Information (OSTI)

    Genomics of wood-degrading fungi Prev Next Title: Genomics of wood-degrading fungi Authors: Ohm, Robin A. ; Riley, Robert ; Salamov, Asaf ; Min, Byoungnam ; Choi, In-Geol ; ...

  16. Confederated Tribes of the Umatilla Indian Reservation Energy...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... program Wood stove replacement program Bio diesel Bio diesel Hired Biodiesel expertise Hired Biodiesel expertise Energy Policy Act mandates alternative fuels in Energy Policy ...

  17. US Crude Oil Production Surpasses Net Imports | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    US Crude Oil Production Surpasses Net Imports US Crude Oil Production Surpasses Net Imports Source: Energy Information Administration Short Term Energy Outlook. Chart by Daniel Wood.

  18. Size, shape and flow characterization of ground wood chip and ground wood pellet particles

    DOE PAGES [OSTI]

    Rezaei, Hamid; Lim, C. Jim; Lau, Anthony; Sokhansanj, Shahab

    2016-07-11

    Size, shape and density of biomass particles influence their transportation, fluidization, rates of drying and thermal decomposition. Pelleting wood particles increases the particle density and reduces the variability of physical properties among biomass particles. In this study, pine chips prepared for pulping and commercially produced pine pellets were ground in a hammer mill using grinder screens of 3.2, 6.3, 12.7 and 25.4mmperforations. Pellets consumed about 7 times lower specific grinding energy than chips to produce the same size of particles. Grinding pellets produced the smaller particles with narrower size distribution than grinding chips. Derived shape factors in digital image analysismore » showed that chip particles were rectangular and had the aspect ratios about one third of pellet particles. Pellet particles were more circular shape. The mechanical sieving underestimated the actual particle size and did not represent the size of particles correctly. Instead, digital imaging is preferred. Angle of repose and compressibility tests represented the flow properties of ground particles. Pellet particles made a less compacted bulk, had lower cohesion and did flow easier in a pile of particles. In conclusion, particle shape affected the flow properties more than particle size« less

  19. Forest and wood products role in carbon sequestration

    SciTech Connect

    Sampson, R.N.

    1997-12-31

    An evaluation of the use of U.S. forests and forest products for carbon emission mitigation is presented. The current role of forests in carbon sequestration is described in terms of regional differences and forest management techniques. The potential for increasing carbon storage by converting marginal crop and pasture land, increasing timberland growth, reducing wildfire losses, and changing timber harvest methods is examined. Post-harvest carbon flows, environmental impacts of wood products, biomass energy crops, and increased use of energy-conserving trees are reviewed for their potential in reducing or offsetting carbon emissions. It is estimated that these techniques could offset 20 to 40 percent of the carbon emitted annually in the U.S. 39 refs., 5 tabs.

  20. Effect of species and wood to bark ratio on pelleting of southern woods

    SciTech Connect

    Bradfield, J.; Levi, M.P.

    1984-01-01

    Six common southern hardwoods and loblolly pine were pelleted in a laboratory pellet mill. The pellet furnishes were blended to test the effect of different wood to bark ratios on pellet durability and production rate. Included was a ratio chosen to simulate the wood to bark ratio found in whole-tree chips. This furnish produced good quality pellets for all species tested. Pelleting of the pure wood of hardwoods was not successful; furnish routinely blocked the pellet mill dies. Pure pine wood, however, did produce acceptable pellets. It was noted that, as lignin and extractive content increased above a threshold level, the precentage of fines produced in a pellet durability test increased. Thus, all pine and tupelo wood/bark mixes produces high fines. This reduces the desirability of the pellets in the marketplace. Further research is necessary to confirm this relationship. This study suggests that both tree species and wood/bark ratio affect the durability of pellets and the rate with which they can be produced in a laboratory pellet mill. 9 references.

  1. Byggmeister Test Home. Analysis and Initial Results of Cold Climate Wood-Framed Home Retrofit

    SciTech Connect

    Gates, C.

    2013-01-01

    BSC seeks to further the energy efficiency market for New England area retrofit projects by supporting projects that are based on solid building science fundamentals that will benefit the homeowner through a combination of energy savings, improved durability, and occupant comfort. This report describes a deep retrofit project of a two-family wood-framed home in Belmont, Massachusetts, and examines the retrofit measures for the enclosure amd mechanical systems and reviews the decision-making process that took place during planning.

  2. Tax Credits, Rebates & Savings | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    of energy generation include solar photovoltaics, passive solar, wind, solid waste, decomposition of organic wastes, geothermal, small hydropower plants, low-emission wood or......

  3. Manufacturing Energy Consumption Survey (MECS) - Analysis & Projection...

    Gasoline and Diesel Fuel Update

    iron and steel, paper, wood products, and food, as well as less energy-intensive industries such as textiles, leather, apparel, furniture, machinery, and electrical equipment. ...

  4. Small-Scale Renewable Energy Incentive Program

    Office of Energy Efficiency and Renewable Energy (EERE)

    Vermont's Small Scale Renewable Energy Incentive Program (SSREIP), initiated in June 2003, currently provides funding for new solar water heating and advanced wood pellet heating installations. T...

  5. A Common Definition for Zero Energy Buildings

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... electricity, steam, hot water or chilled water, natural ... fuel oil, alcohol based fuels, wood, biomass and ... energy consumed in the extraction, processing and ...

  6. Wheelabrator Technologies Inc | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Inc Place: Hampton, New Hampshire Zip: 3842 Product: Owner and operator of 17 waste to energy facilities (>750MW) in the USA, processing municipal solid waste, wood,...

  7. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    Deduction Eligible biomass energy devices include a pellet stove or EPA-certified wood stove if: Eligibility: Residential Savings Category: Solar - Passive, Solar Water Heat,...

  8. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    Energy Incentive Program (SSREIP), initiated in June 2003, provides funding for new solar water heating, solar electric (photovoltaic), modern wood pellet heating,... Eligibility:...

  9. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    Tax Deduction Eligible biomass energy devices include a pellet stove or EPA-certified wood stove if: Eligibility: Residential Savings Category: Solar - Passive, Solar Water Heat,...

  10. Feasibility study of wood-fired cogeneration at a Wood Products Industrial Park, Belington, WV. Phase II

    SciTech Connect

    Vasenda, S.K.; Hassler, C.C.

    1992-06-01

    Customarily, electricity is generated in a utility power plant while thermal energy is generated in a heating/cooling plant; the electricity produced at the power plant is transmitted to the heating/cooling plant to power equipments. These two separate systems waste vast amounts of heat and result in individual efficiencies of about 35%. Cogeneration is the sequential production of power (electrical or mechanical) and thermal energy (process steam, hot/chilled water) from a single power source; the reject heat of one process issued as input into the subsequent process. Cogeneration increases the efficiency of these stand-alone systems by producing these two products sequentially at one location using a small additional amount of fuel, rendering the system efficiency greater than 70%. This report discusses cogeneration technologies as applied to wood fuel fired system.

  11. Laidlaw Energy Group Inc | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    The first project is with NYSERDA to convert a plant from natural gas to clean wood chips. References: Laidlaw Energy Group Inc1 This article is a stub. You can help...

  12. U.S. Energy Production Through the Years | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy Production Through the Years U.S. Energy Production Through the Years December 10, 2014 - 1:00pm Addthis US Energy Production Through the Years Click on each state to learn more about how much energy it produces Pick an energy source Total Energy Produced Coal Crude Oil Natural Gas Total Renewable Energy Non-Biofuel Renewable Energy Biofuels Nuclear Power Source: EIA State Energy Data Systems Daniel Wood Daniel Wood Data Visualization and Cartographic Specialist, Office of Public Affairs

  13. Energy for underdeveloped areas

    SciTech Connect

    Not Available

    1984-01-01

    This book presents the papers given at a conference on energy sources for developing countries. Topics considered at the conference included energy consumption, wood fuel requirements of rural populations, tree species for fuelwood production, a graduate program in alternative energy technologies, wood stoves, solar water heaters, biogas, rural electrification, small-scale hydro plants, windmills to pump rural water supplies, and a straight bladed Darrieus wind turbine for low technology applications.

  14. Doors | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Design » Windows, Doors, & Skylights » Doors Doors Although many people choose wood doors for their beauty, insulated steel and fiberglass doors are more energy-efficient. | Photo courtesy of ©iStockphoto/cstewart Although many people choose wood doors for their beauty, insulated steel and fiberglass doors are more energy-efficient. | Photo courtesy of ©iStockphoto/cstewart Your home's exterior doors can contribute significantly to air leakage, and can also waste energy through

  15. 2016 ASI Annual Review UTK Wood Final

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Annual Review Meeting Development and Demonstration of a Model Based Assessment Process for Qualification of Embedded Digital Devices in Nuclear Power Applications Richard Wood The University of Tennessee NEET Project No.: 15-8097 October 12-13, 2016 2 Project Overview nProject Goal Develop an effective approach to resolve concerns about common-cause failure (CCF) vulnerabilities in embedded digital devices (EDDs) nFocus Address the challenge of establishing high levels of safety and reliability

  16. Western BioEnergy Ltd | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    BioEnergy Ltd Jump to: navigation, search Name: Western BioEnergy Ltd Place: Cardiff, United Kingdom Zip: CF24 0EB Product: Developing a 13.8MW wood burning project in Margam,...

  17. U.S. Energy Information Administration | Renewable Energy...

    Gasoline and Diesel Fuel Update

    5 Table 1.20 Total renewable net generation by energy source and State, 2009 (thousand ... Waste Wood and Derived Fuels 3 46 U.S. Energy Information Administration | Renewable ...

  18. U.S. Energy Information Administration | Renewable Energy...

    Gasoline and Diesel Fuel Update

    7 Table 1.26 Total renewable net summer capacity by energy source and State, 2009 ... Waste Wood and Derived Fuels 3 58 U.S. Energy Information Administration | Renewable ...

  19. U.S. Energy Information Administration | Renewable Energy...

    Annual Energy Outlook

    9 Table 1.17 Total renewable net generation by energy source and State, 2008 (thousand ... Waste Wood and Derived Fuels 3 40 U.S. Energy Information Administration | Renewable ...

  20. U.S. Energy Information Administration | Renewable Energy...

    Gasoline and Diesel Fuel Update

    3 Table 1.19 Renewable commercial and industrial sector net generation by energy source ... Waste Wood and Derived Fuels 3 44 U.S. Energy Information Administration | Renewable ...

  1. S U M M A R I E S U.S. Energy Information Administration | State...

    Annual Energy Outlook

    State Coal a Natural Gas b Petroleum Biomass Geothermal SolarPV e Retail Electricity ... and olefins. d Wood and wood-derived fuels. e Solar thermal and photovoltaic energy. ...

  2. Environmental-performance research priorities: Wood products. Final report

    SciTech Connect

    1998-01-15

    This report describes a research plan to establish environmental, energy, and economic performance measures for renewable building materials, and to identify management and technology alternatives to improve environmental performance in a cost-effective manner. The research plan is designed to: (1) collect environmental and economic data on all life-cycle stages of the materials, (2) ensure that the data follows consistent definitions and collection procedures, and (3) develop analytical procedures for life-cycle analysis to address environmental performance questions. The research will be subdivided into a number of individual project modules. The five processing stages of wood used to organize the research plan are: (1) resource management and harvesting; (2) processing; (3) design and construction of structures; (4) use, maintenance, and disposal; and (5) waste recycling. Individual research module descriptions are provided in the report, as well as assessment techniques, research standards and protocol, and research management. 13 refs., 5 figs., 3 tabs.

  3. Ecological objectives can be achieved with wood-derived bioenergy

    SciTech Connect

    Dale, Virginia H.; Kline, Keith L.; Marland, Gregg; Miner, Reid A.

    2015-08-01

    Renewable, biomass-based energy options can reduce the climate impacts of fossil fuels. However, calculating the effects of wood-derived bioenergy on greenhouse gases (GHGs), and thus on climate, is complicated (Miner et al. 2015). To clarify concerns and options about bioenergy, in November 2014, the US Environmental Protection Agency (EPA) produced a second draft of its Framework for Assessing Biogenic CO2 Emissions fromStationary Sources (http://1.usa.gov/1dikgHq), which considers the latest scientific information and input from stakeholders. Furthermore, the EPA is expected to make decisions soon about the use of woody biomass under the Clean Power Plan, which sets targets for carbon pollution from power plants.

  4. Ecological objectives can be achieved with wood-derived bioenergy

    DOE PAGES [OSTI]

    Dale, Virginia H.; Kline, Keith L.; Marland, Gregg; Miner, Reid A.

    2015-08-01

    Renewable, biomass-based energy options can reduce the climate impacts of fossil fuels. However, calculating the effects of wood-derived bioenergy on greenhouse gases (GHGs), and thus on climate, is complicated (Miner et al. 2015). To clarify concerns and options about bioenergy, in November 2014, the US Environmental Protection Agency (EPA) produced a second draft of its Framework for Assessing Biogenic CO2 Emissions fromStationary Sources (http://1.usa.gov/1dikgHq), which considers the latest scientific information and input from stakeholders. Furthermore, the EPA is expected to make decisions soon about the use of woody biomass under the Clean Power Plan, which sets targets for carbon pollutionmore » from power plants.« less

  5. Ecological objectives can be achieved with wood-derived bioenergy

    SciTech Connect

    Dale, Virginia H.; Kline, Keith L.; Marland, Gregg; Miner, Reid A.

    2015-08-01

    Renewable, biomass-based energy options can reduce the climate impacts of fossil fuels. However, calculating the effects of wood-derived bioenergy on greenhouse gases (GHGs), and thus on climate, is complicated (Miner et al. 2015). To clarify concerns and options about bioenergy, in November 2014, the US Environmental Protection Agency (EPA) produced a second draft of its Framework for Assessing Biogenic CO2 Emissions fromStationary Sources (http://1.usa.gov/1dikgHq), which considers the latest scientific information and input from stakeholders. In addition, the EPA is expected to make decisions soon about the use of woody biomass under the Clean Power Plan, which sets targets for carbon pollution from power plants.

  6. Haneco sro | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    sro Place: Zru-Senec, Czech Republic Zip: 330 08 Sector: Renewable Energy Product: Wood processing company active in renewable energy sector currently operating 0.6MW PV plant...

  7. Method for improving separation of carbohydrates from wood pulping and wood or biomass hydrolysis liquors

    DOEpatents

    Griffith, William Louis; Compere, Alicia Lucille; Leitten, Jr., Carl Frederick

    2010-04-20

    A method for separating carbohydrates from pulping liquors includes the steps of providing a wood pulping or wood or biomass hydrolysis pulping liquor having lignin therein, and mixing the liquor with an acid or a gas which forms an acid upon contact with water to initiate precipitation of carbohydrate to begin formation of a precipitate. During precipitation, at least one long chain carboxylated carbohydrate and at least one cationic polymer, such as a polyamine or polyimine are added, wherein the precipitate aggregates into larger precipitate structures. Carbohydrate gel precipitates are then selectively removed from the larger precipitate structures. The method process yields both a carbohydrate precipitate and a high purity lignin.

  8. file://C:\\Documents and Settings\\bh5\\My Documents\\Energy Effici

    Annual Energy Outlook

    3. 'Total' is the sum of all of the listed energy sources, including wood waste, hydrogen, and waste oils and tars. Sources: Energy Information Administration, Manufacturing...

  9. Building America Case Study: Retrofit Measure for Embedded Wood...

    Energy Saver

    Existing Homes Building America Case Study Retrofit Measures for Embedded Wood Members in Insulated Mass Masonry Walls Lawrence, Massachusetts PROJECT INFORMATION Project Name: The...

  10. Thermal Pretreatment of Wood for Cogasification/cofiring of Biomass...

    Office of Scientific and Technical Information (OSTI)

    ...cofiring of Biomass and Coal Citation Details In-Document Search Title: Thermal Pretreatment of Wood for Cogasificationcofiring of Biomass and Coal Utilization of biomass as a ...

  11. Water Sampling At Dixie Valley Geothermal Area (Wood, 2002) ...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Dixie Valley Geothermal Area (Wood, 2002) Exploration Activity Details...

  12. Water Sampling At Alvord Hot Springs Area (Wood, 2002) | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Alvord Hot Springs Area (Wood, 2002) Exploration Activity Details Location...

  13. Water Sampling At Beowawe Hot Springs Area (Wood, 2002) | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Beowawe Hot Springs Area (Wood, 2002) Exploration Activity Details...

  14. Water Sampling At Mccredie Hot Springs Area (Wood, 2002) | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Mccredie Hot Springs Area (Wood, 2002) Exploration Activity Details...

  15. Water Sampling At Umpqua Hot Springs Area (Wood, 2002) | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Umpqua Hot Springs Area (Wood, 2002) Exploration Activity Details Location...

  16. Water Sampling At Zim's Hot Springs Geothermal Area (Wood, 2002...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Zim's Hot Springs Geothermal Area (Wood, 2002) Exploration Activity...

  17. Water Sampling At Breitenbush Hot Springs Area (Wood, 2002) ...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Breitenbush Hot Springs Area (Wood, 2002) Exploration Activity Details...

  18. Water Sampling At Crane Hot Springs Area (Wood, 2002) | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Crane Hot Springs Area (Wood, 2002) Exploration Activity Details Location...

  19. Water Sampling At Mickey Hot Springs Area (Wood, 2002) | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Mickey Hot Springs Area (Wood, 2002) Exploration Activity Details Location...

  20. Title: Ames Blue Alert- Wood Cabinet Falls Apart

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Ames Blue Alert- Wood Cabinet Falls Apart Lessons Learned Statement- Cumulative damage can cause a loss of structural integrity. When furnishings are repeatedly exposed to water,...

  1. Commercial Demonstration of Wood Recovery, Recycling, and Value Adding Technologies

    SciTech Connect

    Auburn Machinery, Inc.

    2004-07-15

    This commercial demonstration project demonstrated the technical feasibility of converting low-value, underutilized and waste stream solid wood fiber material into higher valued products. With a growing need to increase product/production yield and reduce waste in most sawmills, few recovery operations and practically no data existed to support the viability of recovery operations. Prior to our efforts, most all in the forest products industry believed that recovery was difficult, extremely labor intensive, not cost effective, and that recovered products had low value and were difficult to sell. This project provided an opportunity for many within the industry to see through demonstration that converting waste stream material into higher valued products does in fact offer a solution. Our work, supported by the U.S. Department of Energy, throughout the project aimed to demonstrate a reasonable approach to reducing the millions of recoverable solid wood fiber tons that are annually treated as and converted into low value chips, mulch and fuel. Consequently sawmills continue to suffer from reduced availability of forest resources, higher raw material costs, growing waste disposal problems, increased global competition, and more pressure to operate in an Environmentally Friendly manner. It is our belief (based upon the experience of this project) that the successful mainstreaming of the recovery concept would assist in alleviating this burden as well as provide for a realistically achievable economic benefit to those who would seriously pursue the concept and tap into the rapidly growing ''GREEN'' building marketplace. Ultimately, with participation and aggressive pursuit of the recovery concept, the public would benefit in that: (1) Landfill/disposal waste volume could be reduced adding greater life to existing municipal landfill sites thereby minimizing the need to prematurely license and open added facilities. Also, there would be a cost avoidance benefit associated

  2. Genetics of Wood Formation | U.S. DOE Office of Science (SC)

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Genetics of Wood Formation Biological and Environmental Research (BER) BER Home About Research Facilities Science Highlights Searchable Archive of BER Highlights External link Benefits of BER Funding Opportunities Biological & Environmental Research Advisory Committee (BERAC) Community Resources Contact Information Biological and Environmental Research U.S. Department of Energy SC-23/Germantown Building 1000 Independence Ave., SW Washington, DC 20585 P: (301) 903-3251 F: (301) 903-5051 E:

  3. How chip size impacts steam pretreatment effectiveness for biological conversion of poplar wood into fermentable sugars

    DOE PAGES [OSTI]

    DeMartini, Jaclyn D.; Foston, Marcus; Meng, Xianzhi; Jung, Seokwon; Kumar, Rajeev; Ragauskas, Arthur J.; Wyman, Charles E.

    2015-12-09

    We report that woody biomass is highly recalcitrant to enzymatic sugar release and often requires significant size reduction and severe pretreatments to achieve economically viable sugar yields in biological production of sustainable fuels and chemicals. However, because mechanical size reduction of woody biomass can consume significant amounts of energy, it is desirable to minimize size reduction and instead pretreat larger wood chips prior to biological conversion. To date, however, most laboratory research has been performed on materials that are significantly smaller than applicable in a commercial setting. As a result, there is a limited understanding of the effects that largermore » biomass particle size has on the effectiveness of steam explosion pretreatment and subsequent enzymatic hydrolysis of wood chips. To address these concerns, novel downscaled analysis and high throughput pretreatment and hydrolysis (HTPH) were applied to examine whether differences exist in the composition and digestibility within a single pretreated wood chip due to heterogeneous pretreatment across its thickness. Heat transfer modeling, Simons’ stain testing, magnetic resonance imaging (MRI), and scanning electron microscopy (SEM) were applied to probe the effects of pretreatment within and between pretreated wood samples to shed light on potential causes of variation, pointing to enzyme accessibility (i.e., pore size) distribution being a key factor dictating enzyme digestibility in these samples. Application of these techniques demonstrated that the effectiveness of pretreatment of Populus tremuloides can vary substantially over the chip thickness at short pretreatment times, resulting in spatial digestibility effects and overall lower sugar yields in subsequent enzymatic hydrolysis. Finally, these results indicate that rapid decompression pretreatments (e.g., steam explosion) that specifically alter accessibility at lower temperature conditions are well suited for larger

  4. How chip size impacts steam pretreatment effectiveness for biological conversion of poplar wood into fermentable sugars

    SciTech Connect

    DeMartini, Jaclyn D.; Foston, Marcus; Meng, Xianzhi; Jung, Seokwon; Kumar, Rajeev; Ragauskas, Arthur J.; Wyman, Charles E.

    2015-12-09

    We report that woody biomass is highly recalcitrant to enzymatic sugar release and often requires significant size reduction and severe pretreatments to achieve economically viable sugar yields in biological production of sustainable fuels and chemicals. However, because mechanical size reduction of woody biomass can consume significant amounts of energy, it is desirable to minimize size reduction and instead pretreat larger wood chips prior to biological conversion. To date, however, most laboratory research has been performed on materials that are significantly smaller than applicable in a commercial setting. As a result, there is a limited understanding of the effects that larger biomass particle size has on the effectiveness of steam explosion pretreatment and subsequent enzymatic hydrolysis of wood chips. To address these concerns, novel downscaled analysis and high throughput pretreatment and hydrolysis (HTPH) were applied to examine whether differences exist in the composition and digestibility within a single pretreated wood chip due to heterogeneous pretreatment across its thickness. Heat transfer modeling, Simons’ stain testing, magnetic resonance imaging (MRI), and scanning electron microscopy (SEM) were applied to probe the effects of pretreatment within and between pretreated wood samples to shed light on potential causes of variation, pointing to enzyme accessibility (i.e., pore size) distribution being a key factor dictating enzyme digestibility in these samples. Application of these techniques demonstrated that the effectiveness of pretreatment of Populus tremuloides can vary substantially over the chip thickness at short pretreatment times, resulting in spatial digestibility effects and overall lower sugar yields in subsequent enzymatic hydrolysis. Finally, these results indicate that rapid decompression pretreatments (e.g., steam explosion) that specifically alter accessibility at lower temperature conditions are well suited for larger wood

  5. Press Room - Press Releases - U.S. Energy Information Administration...

    Gasoline and Diesel Fuel Update

    iron and steel, paper, wood products, and food, as well as less energy-intensive industries such as textiles, leather, apparel, furniture, machinery, and electrical equipment. ...

  6. Southeast Alaska Energy Efficiency Audit, Assessment, and Alternative...

    Office of Environmental Management (EM)

    ... insulation) * Air Source Heat Pumps * Biomass Heating * Solar PV * Improved ventilation ... Center is highly energy efficient and is heated with a cord wood gasification boiler. ...

  7. Assumption to the Annual Energy Outlook 2014 - Residential Demand...

    Annual Energy Outlook

    oil, liquefied petroleum gas, natural gas, kerosene, electricity, wood, geothermal, and solar energy. The module's output includes number of households, equipment stock, average...

  8. Where to Insulate in a Home | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... Provides a continuous layer of insulation, which reduces thermal bridging through wood studs, saving energy and improving comfort. Is easier to cut and install than heavier ...

  9. Fuels for Schools Program Uses Leftover Wood to Warm Buildings

    Energy.gov [DOE]

    In parts of this country, wood seems like the outsider in the biomass family. New ethanol plants that grind down millions of bushels of corn in the Midwest and breakthroughs in algae along the coasts always garner the most attention. But in states like Montana, a place with over 70 million acres of forest, wood is the biofuel of choice.

  10. The politics of garbage

    SciTech Connect

    Taylor, H.F. )

    1989-10-01

    This article examines the forces that lead to the success or failure of waste management strategies. The topics discussed include hierarchy logic; disposal strategies; public perceptions, misconceptions, and education; rejection of combustion; siting and not in my back yard; myths versus facts in the battle of public perception; and logic, facts and lessons.

  11. Growth and garbage

    SciTech Connect

    Beaton, K.

    1996-08-01

    Construction and demolition wastes are addressed in this paper. Waste audits are summarized to show average construction waste compositions; 86% to 94% of the construction waste is estimated to be recycable. Potential end-uses for construction wastes are identified. Barriers to recycling construction wastes in Colorado are also identified; they include lack of recycling facilities, additional costs associated with recycling, low landfill tipping fees, and lack of transportation routes to facilities.

  12. Garbage in perspective

    SciTech Connect

    Alexander, J.H.

    1995-09-01

    This paper reviews the relationship of the volume, costs, and benefits of municipal solid wastes to other elements of our economy and to the public welfare. It is illustrated that mandated recycling is more expensive and less efffective than the public presumes.

  13. Thermal Impact of Fasteners in High-Performance Wood-Framed Walls: Preprint

    SciTech Connect

    Christensen, D.

    2011-01-01

    Buildings are heavy consumers of energy, and residential building design is rapidly addressing topics to maximize energy conservation en route to net-zero energy consumption. Annual energy analysis of a building informs the choice among disparate energy measures, for cost, durability, occupant comfort, and whole-house energy use. Physics-based and empirical models of elements of a building are used in such analyses. High-performance wood-framed walls enable builders to construct homes that use much less than 40% of the energy consumed by similar homes built to minimum code. Modeling for these walls has considered physical features such as framing factor, insulation and framing properties, roughness and convective effects, and air leakage. The thermal effects of fasteners used to construct these walls have not been fully evaluated, even though their thermal conductivity is orders of magnitudes higher than that of other building materials. Drywall screws and siding nails are considered in this finite element thermal conductivity analysis of wall sections that represent wood-framed walls that are often used in high-performance homes. Nails and screws reduce even the best walls' insulating performance by approximately 3% and become increasingly significant as the framing factor increases.

  14. Review of the Regional Biomass Energy Program: Technical projects

    SciTech Connect

    Lusk, P.

    1994-12-31

    This article summarizes technical projects of the regional Biomass Energy Program. Projects included are as follows: economic impact studies for renewable energy resources; alternative liquid fuels; Wood pellets fuels forum; residential fuel wood consumption; waste to energy decision-makers guide; fuel assessment for cogeneration facilities; municipal solid waste combustion characteristics.

  15. Multipass comminution process to produce precision wood particles of uniform size and shape with disrupted grain structure from wood chips

    DOEpatents

    Dooley, James H; Lanning, David N

    2014-05-27

    A process of comminution of wood chips (C) having a grain direction to produce a mixture of wood particles (P), wherein the wood chips are characterized by an average length dimension (L.sub.C) as measured substantially parallel to the grain, an average width dimension (W.sub.C) as measured normal to L.sub.C and aligned cross grain, and an average height dimension (H.sub.C) as measured normal to W.sub.C and L.sub.C, and wherein the comminution process comprises the step of feeding the wood chips in a direction of travel substantially randomly to the grain direction one or more times through a counter rotating pair of intermeshing arrays of cutting discs (D) arrayed axially perpendicular to the direction of wood chip travel.

  16. Implementing Strategies for Drying and Pressing Wood Without Emissions Controls

    SciTech Connect

    Sujit Banerjee; Terrance Conners

    2007-09-07

    Drying and pressing wood for the manufacture of lumber, particleboard, oriented strand board (OSB), veneer and medium density fiberboard (MDF) release volatile organic compounds (VOCs) into the atmosphere. These emissions require control equipment that are capital-intensive and consume significant quantities of natural gas and electricity. The objective of our work was to understand the mechanisms through which volatile organic compounds are generated and released and to develop simple control strategies. Of the several strategies developed, two have been implemented for OSB manufacture over the course of this study. First, it was found that increasing final wood moisture by about 2-4 percentage points reduced the dryer emissions of hazardous air pollutants by over 70%. As wood dries, the escaping water evaporatively cools the wood. This cooling tapers off wood when the wood is nearly dry and the wood temperature rises. Thermal breakdown of the wood tissue occurs and VOCs are released. Raising the final wood moisture by only a few percentage points minimizes the temperature rise and reduces emissions. Evaporative cooling also impacts has implications for VOC release from wood fines. Flaking wood for OSB manufacture inevitable generates fines. Fines dry out rapidly because of their high surface area and evaporative cooling is lost more rapidly than for flakes. As a result, fines emit a disproportionate quantity of VOCs. Fines can be reduced in two ways: through screening of the green furnish and through reducing their generation during flaking. The second approach is preferable because it also increased wood yield. A procedure to do this by matching the sharpness angle of the flaker knife to the ambient temperature was also developed. Other findings of practical interests are as follows: Dielectric heating of wood under low-headspace conditions removes terpenes and other extractives from softwood; The monoterpene content in trees depend upon temperature and seasonal

  17. NuPower LLC | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Energy Product: Renewable energy project developer, involved in a JV for a 30.0MW wood-fueled power project in Plainfield. Coordinates: 43.83033, -90.622007 Show Map...

  18. #AskEnergySaver: Home Heating | Department of Energy

    Energy.gov [DOE] (indexed site)

    via email IW: It's not the fuel, it's how you burn it. Any fossil fuel -- gas, oil or propane -- or even wood or coal needs to be completely burned and its energy extracted as...

  19. Biomass Energy Basics | NREL

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Biomass Energy Basics We have used biomass energy, or "bioenergy"-the energy from plants and plant-derived materials-since people began burning wood to cook food and keep warm. Wood is still the largest biomass energy resource today, but other sources of biomass can also be used. These include food crops, grassy and woody plants, residues from agriculture or forestry, oil-rich algae, and the organic component of municipal and industrial wastes. Even the fumes from landfills (which are

  20. Wood chips: an exploration of problems and opportunities. Final report

    SciTech Connect

    Not Available

    1985-01-01

    This report evaluates the current use of and potential market for wood chips as a fuel in the Northeast. This study covers the residential, commercial, and light industrial sectors and addresses cost, reliability, marketing systems, and technology improvements. A review of the available equipment for wood chip harvesting, processing, handling, drying, and transport is included. Three representative strategic business guides for different chip suppliers are presented. There is also a recommended action plan for future programs with initiatives that could facilitate the development of the wood chip market. 25 refs., 8 figs., 11 tabs.

  1. Wood-Polymer composites obtained by gamma irradiation

    SciTech Connect

    Gago, J.; Lopez, A.; Rodriguez, J.; Santiago, J.; Acevedo, M.

    2007-10-26

    In this work we impregnate three Peruvian woods (Calycophy spruceanum Be, Aniba amazonica Meiz and Hura crepitans L) with styrene-polyester resin and methyl methacrylate. The polymerization of the system was promoted by gamma radiation and the experimental optimal condition was obtained with styrene-polyester 1:1 and 15 kGy. The obtained composites show reduced water absorption and better mechanical properties compared to the original wood. The structure of the wood-polymer composites was studied by light microscopy. Water absorption and hardness were also obtained.

  2. An economical and market analysis of Canadian wood pellets.

    SciTech Connect

    Peng, J.

    2010-08-01

    This study systematically examined the current and future wood pellet market, estimated the cost of Canadian torrefied pellets, and compared the torrefied pellets with the conventional pellets based on literature and industrial data. The results showed that the wood pellet industry has been gaining significant momentum due to the European bioenergy incentives and the rising oil and natural gas prices. With the new bioenergy incentives in USA, the future pellets market may shift to North America, and Canada can potentially become the largest pellet production centre, supported by the abundant wood residues and mountain pine beetle (MPB) infested trees.

  3. Measure Guideline: Deep Energy Enclosure Retrofit for Zero Energy Ready House Flat Roofs

    SciTech Connect

    Loomis, H.; Pettit, B.

    2015-05-01

    This Measure Guideline provides design and construction information for a deep energy enclosure retrofit (DEER) solution of a flat roof assembly. It describes the strategies and procedures for an exterior retrofit of a flat, wood-framed roof with brick masonry exterior walls, using exterior and interior (framing cavity) insulation. The approach supported in this guide could also be adapted for use with flat, wood-framed roofs with wood-framed exterior walls.

  4. Measure Guideline. Deep Energy Enclosure Retrofit for Zero Energy Ready House Flat Roofs

    SciTech Connect

    Loomis, H.; Pettit, B.

    2015-05-29

    This Measure Guideline provides design and construction information for a deep energy enclosure retrofit solution of a flat roof assembly. It describes the strategies and procedures for an exterior retrofit of a flat wood-framed roof with brick masonry exterior walls using exterior and interior (framing cavity) insulation. The approach supported in this guide could also be adapted for use with flat wood-framed roofs with wood-framed exterior walls.

  5. Energy

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Sandia Energy Energy Search Icon Sandia Home Locations Contact Us Employee Locator Energy & Climate Secure & Sustainable Energy Future Stationary Power Energy Conversion Efficiency ...

  6. Energy

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    3 - Sandia Energy Energy Search Icon Sandia Home Locations Contact Us Employee Locator Energy & Climate Secure & Sustainable Energy Future Stationary Power Energy Conversion ...

  7. Energy

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    2 - Sandia Energy Energy Search Icon Sandia Home Locations Contact Us Employee Locator Energy & Climate Secure & Sustainable Energy Future Stationary Power Energy Conversion ...

  8. Method for lowering the VOCS emitted during drying of wood products

    DOEpatents

    Banerjee, Sujit (1832 Jacksons Creek Point, Marietta, GA 30068); Boerner, James Robert (154 Junedale Rd., Cincinnati, OH 45218); Su, Wei (2262 Orleans Ave., Marietta, GA 30062)

    2000-01-01

    The present invention is directed to a method for removal of VOCs from wood products prior to drying the wood products. The method of the invention includes the steps of providing a chamber having an opening for receiving wood and loading the chamber with green wood. The wood is loaded to an extent sufficient to provide a limited headspace in the chamber. The chamber is then closed and the wood is heated in the chamber for a time and at a temperature sufficient to saturate the headspace with moisture and to substantially transfer VOCs from the wood product to the moisture in the headspace.

  9. One on One - Douglas K Woods | Department of Energy

    Energy.gov [DOE] (indexed site)

    Mays, Gas Technology Institute U.S. DOE Advanced Manufacturing Office Program Review Meeting Washington, D.C. June 14-15, 2016 This presentation does not contain any proprietary, confidential, or otherwise restricted information. Project Objective  Develop low-cost hydrogen production technology, utilizing Sorption Enhanced Reforming (SER), for large-scale commercial applications  Reducing cost of hydrogen by 15-20% vs. current technology  Reducing cost of carbon capture from natural

  10. Council of Athabascan Tribal Governments - Wood Energy Feasibility...

    Energy.gov [DOE] (indexed site)

    G. Z. has 600+ shareholders, not all tribal members are shareholders, because the corporation hasn't voted to enroll children born after 1971. Some of the economic projects the ...

  11. Council of Athabascan Tribal Government - Wood Energy Program...

    Energy.gov [DOE] (indexed site)

    -20F Rural AK Powered by Diesel Fuel Oil Rural AK Powered ... 30,000gals 125K *Run Generators 197,000gals 837K ... with proven with proven reliability reliability will be will ...

  12. Hancock-Wood Electric Coop Inc | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    www.facebook.comhwe.coop Outage Hotline: 800-445-4840 or 888-417-3010 Outage Map: oms.hwe.coop References: EIA Form EIA-861 Final Data File for 2010 - File1a1 EIA Form...

  13. Renewables in Alaska Native Villages: Fort Yukon Wood Energy...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    : B : kC : d P eo A oP : k d : p nd P p P : K o ' : P l ' : K kK oa P a K K P d o i : p S a P p K d : o o : oP P : p i i : nK P B P p : P K o: P ...

  14. Enhanced Biomass Digestion with Wood Wasp Bacteria - Energy Innovation...

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    In nature, certain microbes can deconstruct biomass into simple sugars by secreting combinations of enzymes. Two organisms that utilize cellulose are Clostridium thermocellum - a ...

  15. Study of emissions from small woods - fired boiler systems

    SciTech Connect

    1994-12-31

    This short article announces a testing project RFP to determine the air emissions produced by small wood-chip fired combustion systems and to determine associated health risks if any.

  16. Improving combustion in residential size wood chip fireboxes

    SciTech Connect

    Huff, E.R.

    1982-12-01

    In a small experimental wood chip firebox with separate control of grate and overfire air, combustion intensity was increased with reduction in flyash and carbon monoxide by reducing air through the grate to a small fraction of stoichiometric air.

  17. Community Based Wood Heat System for Fort Yukon

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    80,000 acres in one month Proposed Rural Wood Fuel Supply System *Capital costs for system capable of producing 7,000 TPY: 600,000 Key Obstacles to Overcome Development...

  18. Wood-Composites Industry Benefits from ALS Research

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    that wood-composite development is something that will bolster the U.S. economy, matches the funding from the WBC. "People in this industry are always looking for ways to...

  19. Genomics of wood-degrading fungi (Journal Article) | DOE PAGES

    Office of Scientific and Technical Information (OSTI)

    Genomics of wood-degrading fungi Title: Genomics of wood-degrading fungi Authors: Ohm, Robin A. ; Riley, Robert ; Salamov, Asaf ; Min, Byoungnam ; Choi, In-Geol ; Grigoriev, Igor V. Publication Date: 2014-11-01 OSTI Identifier: 1222394 Grant/Contract Number: AC02-05CH11231 Type: Publisher's Accepted Manuscript Journal Name: Fungal Genetics and Biology (Print) Additional Journal Information: Journal Name: Fungal Genetics and Biology (Print); Journal Volume: 72; Journal Issue: C; Journal ID: ISSN

  20. Fuel switching from wood to LPG can benefit the environment

    SciTech Connect

    Nautiyal, Sunil Kaechele, Harald

    2008-11-15

    The Himalaya in India is one of the world's biodiversity hotspots. Various scientific studies have reported and proven that many factors are responsible for the tremendous decline of the Himalayan forests. Extraction of wood biomass from the forests for fuel is one of the factors, as rural households rely entirely on this for their domestic energy. Efforts continue for both conservation and development of the Himalayan forests and landscape. It has been reported that people are still looking for more viable solutions that could help them to improve their lifestyle as well as facilitate ecosystem conservation and preservation of existing biodiversity. In this direction, we have documented the potential of the introduction of liquefied petroleum gas (LPG), which is one of the solutions that have been offered to the local people as a substitute for woodfuel to help meet their domestic energy demand. The results of the current study found dramatic change in per capita woodfuel consumption in the last two decades in the villages where people are using LPG. The outcome showed that woodfuel consumption had been about 475 kg per capita per year in the region, but after introduction of LPG, this was reduced to 285 kg per capita per year in 1990-1995, and was further reduced to 46 kg per capita per year in 2000-2005. Besides improving the living conditions of the local people, this transformation has had great environmental consequences. Empirical evidence shows that this new paradigm shift is having positive external effects on the surrounding forests. Consequently, we have observed a high density of tree saplings and seedlings in adjacent forests, which serves as an assessment indicator of forest health. With the help of the current study, we propose that when thinking about a top-down approach to conservation, better solutions, which are often ignored, should be offered to local people.

  1. DOE/EIA-0035(93/05) Energy R*y

    Gasoline and Diesel Fuel Update

    wind, photovoltaic, and solar b Production and consumption totals exclude wood, waste, geothermal, thermal energy; and net imports of electricity and coal coke. wind,...

  2. DOE/EIA-0035(93/07) Monthly Energy Review W S. IRA W,

    Gasoline and Diesel Fuel Update

    wind, photovoltaic, and solar b Production and consumption totals exclude wood, waste, geothermal, thermal energy; and net imports of electricity and coal coke. wind,...

  3. Nuclear Car Wash sensitivity in varying thicknesses of wood and steel cargo

    SciTech Connect

    Church, J; Slaughter, D; Asztalos, S; Biltoft, P; Descalle, M; Hall, J; Manatt, D; Mauger, J; Norman, E; Petersen, D; Prussin, S

    2006-10-05

    The influence of incident neutron attenuation on signal strengths in the Nuclear Car Wash has been observed experimentally for both wood and steel-pipe mock cargos. Measured decay curves are presented for {beta}-delayed high-energy {gamma}-rays and thermalized neutrons following neutron-induced fission of HEU through varying irradiation lengths. Error rates are extracted for delayed-{gamma} and delayed-n signals integrated to 30 seconds, assuming Gaussian distributions for the active background. The extrapolation to a field system of 1 mA deuterium current and to a 5 kg sample size is discussed.

  4. Thermal Pretreatment of Wood for Cogasification/cofiring of Biomass and Coal

    SciTech Connect

    Wang, Ping; Howard, Bret; Hedges, Sheila; Morreale, Bryan; Van Essendelft, Dirk; Berry, David

    2013-10-29

    Utilization of biomass as a co-feed in coal and biomass co-firing and co-gasification requires size reduction of the biomass. Reducing biomass to below 0.2 mm without pretreatment is difficult and costly because biomass is fibrous and compressible. Torrefaction is a promising thermal pretreatment process and has the advantages of increasing energy density, improving grindability, producing fuels with more homogenous compositions and hydrophobic behavior. Temperature is the most important factor for the torrefaction process. Biomass grindability is related to cell wall structure, thickness and composition. Thermal treatment such as torrefaction can cause chemical changes that significantly affect the strength of biomass. The objectives of this study are to understand the mechanism by which torrefaction improves the grindability of biomass and discuss suitable temperatures for thermal pretreatment for co-gasification/cofiring of biomass and coal. Wild cherry wood was selected as the model for this study. Samples were prepared by sawing a single tangential section from the heartwood and cutting it into eleven pieces. The samples were consecutively heated at 220, 260, 300, 350, 450 and 550oC for 0.5 hr under flowing nitrogen in a tube furnace. Untreated and treated samples were characterized for physical properties (color, dimensions and weight), microstructural changes by SEM, and cell wall composition changes and thermal behaviors by TGA and DSC. The morphology of the wood remained intact through the treatment range but the cell walls were thinner. Thermal treatments were observed to decompose the cell wall components. Hemicellulose decomposed over the range of ~200 to 300oC and resulted in weakening of the cell walls and subsequently improved grindability. Furthermore, wood samples treated above 300oC lost more than 39% in mass. Therefore, thermal pretreatment above the hemicelluloses decomposition temperature but below 300oC is probably sufficient to improve

  5. Opportunity fuels

    SciTech Connect

    Lutwen, R.C.

    1994-12-31

    Opportunity fuels - fuels that can be converted to other forms of energy at lower cost than standard fossil fuels - are discussed in outline form. The type and source of fuels, types of fuels, combustability, methods of combustion, refinery wastes, petroleum coke, garbage fuels, wood wastes, tires, and economics are discussed.

  6. Cofiring Wood and Coal to Stoker Boilers in Pittsburgh

    SciTech Connect

    Cobb, J.T., Jr.; Elder, W.W.

    1997-07-01

    The prime objective of the University of Pittsburgh's overall wood/coal cofiring program is the successful introduction of commercial cofiring of urban wood wastes into the stoker boilers of western Pennsylvania. Central to this objective is the demonstration test at the Pittsburgh Brewing Company. In this test the project team is working to show that two commercially-available clean wood wastes - tub-ground pallet waste and chipped clearance wood - can be included in the fuel fed daily to an industrial stoker boiler. Irrespective of its economic outcome, the technical success of the demonstration at the brewery will allow the local air quality regulation agency to permit a parametric test at the Bellefield Boiler Plant. The objective of this test is to obtain comprehensive data on all key parameters of this operational boiler while firing wood with coal. The data would then be used for thorough generic technical and economic analyses. The technical analysis would be added to the open literature for the general planning and operational guidance for boiler owners and operators. The economic analysis would gage the potential for providing this stoker fuel commercially in an urban setting and for purchasing it regularly for combustion in an urban stoker boiler.

  7. Study of lay people's perceptions of appropriate management of gasoline/soil mixtures, hazardous waste mixtures, and trash/garbage mixtures

    SciTech Connect

    Simon, L.E.

    1988-01-01

    The method used was a researcher-developed questionnaire that was given to San Diego residents who were either Naval Reservists or worked at the corporate headquarters of a fast food chain. The respondents were chosen to yield a cross section of lay people. The forced-choice questionnaire asked identical questions about each of the wastes. The sequence in which each waste appeared was varied in order not to imply a ranking. One-way ANOVA and Bonferroni's Method was used to identify any significant differences. On all eight elements, there was a significant difference between each of the wastes at the p < .05 level. Lay people perceive a significant difference in what constitutes appropriate management of the three waste mixtures. Lay people who participated in the study saw Gasoline/Soil Mixtures as requiring management that was significantly more lenient that what they saw as needed for Hazardous Waste Mixtures and significantly more strict than what they saw as needed for Trash/Garbage Mixtures. The establishment of an intermediate category of solid waste between the existing categories of Hazardous Waste and Non-Hazardous Waste was clearly identified as a possibility by the respondents. If such a category were established it would: (1) clarify and resolve existing contradictions between various regulations; (2) reduce unnecessary filling of scarce hazardous waste disposal capacity; (3) reduce uncertainty, delay and expense to businesses trying to comply with the regulations.

  8. State of the Union Remarks on Energy in Four Charts | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    State of the Union Remarks on Energy in Four Charts State of the Union Remarks on Energy in Four Charts January 22, 2015 - 10:23am Addthis Daniel Wood Daniel Wood Data Visualization and Cartographic Specialist, Office of Public Affairs Sarah Gerrity Sarah Gerrity Former Multimedia Editor, Office of Public Affairs More State of the Union Coverage Interested in hearing the President's energy and climate change related remarks from the State of the Union? Watch the video! In Tuesday's State of the

  9. Comminution process to produce precision wood particles of uniform size and shape with disrupted grain structure from wood chips

    DOEpatents

    Dooley, James H.; Lanning, David N.

    2015-06-23

    A process of comminution of wood chips (C) having a grain direction to produce a mixture of wood particles (P), wherein the wood chips are characterized by an average length dimension (L.sub.C) as measured substantially parallel to the grain, an average width dimension (W.sub.C) as measured normal to L.sub.C and aligned cross grain, and an average height dimension (H.sub.C) as measured normal to W.sub.C and L.sub.C, wherein W.sub.C>L.sub.C, and wherein the comminution process comprises the step of feeding the wood chips in a direction of travel substantially randomly to the grain direction through a counter rotating pair of intermeshing arrays of cutting discs (D) arrayed axially perpendicular to the direction of wood chip travel, wherein the cutting discs have a uniform thickness (T.sub.D), and wherein at least one of L.sub.C, W.sub.C, and H.sub.C is less than T.sub.D.

  10. Comminution process to produce precision wood particles of uniform size and shape with disrupted grain structure from wood chips

    DOEpatents

    Dooley, James H; Lanning, David N

    2013-08-13

    A process of comminution of wood chips (C) having a grain direction to produce a mixture of wood particles (P), wherein the wood chips are characterized by an average length dimension (L.sub.C) as measured substantially parallel to the grain, an average width dimension (W.sub.C) as measured normal to L.sub.C and aligned cross grain, and an average height dimension (H.sub.C) as measured normal to W.sub.C and L.sub.C, and wherein the comminution process comprises the step of feeding the wood chips in a direction of travel substantially randomly to the grain direction through a counter rotating pair of intermeshing arrays of cutting discs (D) arrayed axially perpendicular to the direction of wood chip travel, wherein the cutting discs have a uniform thickness (T.sub.D), and wherein at least one of L.sub.C, W.sub.C, and H.sub.C is greater than T.sub.D.

  11. Trends in Commercial Buildings--Trends in Energy Consumption...

    Energy Information Administration (EIA) (indexed site)

    the use of the four major sources and other energy sources (e.g., district chilled water, solar, wood). Energy consumed in commercial buildings is a significant fraction of that...

  12. A Look at Commercial Buldings in 1995: Characteristics, Energy...

    Gasoline and Diesel Fuel Update

    to collect information on the use of renewable energy sources by including wood and solar thermal panels in the list of possible energy sources that were used to supply...

  13. Level: National and Regional Data; Row: NAICS Codes; Column: All Energy Sources Collected;

    Energy Information Administration (EIA) (indexed site)

    Table 7.1 Average Prices of Purchased Energy Sources, 2006; Level: National and Regional Data; Row: NAICS Codes; Column: All Energy Sources Collected; Unit: U.S. Dollars per Physical Units. Selected Wood and Other Biomass Components Coal Components Coke Electricity Components Natural Gas Components Steam Components Total Wood Residues Bituminous Electricity Diesel Fuel Motor Natural Gas Steam and Wood-Related and Electricity from Sources and Gasoline Pulping Liquor Natural Gas from Sources

  14. Michigan Save Energy Now | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Michigan Save Energy Now Michigan Save Energy Now Map highlighting Michigan Industry is a vital part of Michigan's economy. The state's major industries-which include primary metals, automotive manufacturers, chemical plants, paper and wood products manufacturers, metal casters, and petroleum refineries-are extremely energy intensive and are facing increased global competition. In 2009, the Advanced Manufacturing Office (AMO; formerly the Industrial Technologies Program) of the U.S. Department

  15. Residential Central Wood Pellet Heating Program

    Energy.gov [DOE]

    Project sites must be located in a utility territory that contributes to the Renewable Energy Trust Fund (National Grid, Eversource, Unitil, and municipal light plants that have agreed to pay int...

  16. 01-02-2008 - Wood Cabinet Falls Apart | The Ames Laboratory

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    8 - Wood Cabinet Falls Apart Document Number: NA Effective Date: 012008 File (public): PDF icon 01-02-2008blue...

  17. Understanding Energy Consumption, One Candy Corn at a Time | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy Understanding Energy Consumption, One Candy Corn at a Time Understanding Energy Consumption, One Candy Corn at a Time October 21, 2016 - 5:50pm Addthis Understanding Energy Consumption, One Candy Corn at a Time Daniel Wood Daniel Wood Data Visualization and Cartographic Specialist, Office of Public Affairs Click here to see the calculator in action! To commemorate National Energy Action Month, we're featuring some scarily effective ways to save energy at home. As cooler weather lurks

  18. Wood pellet market and trade: a global perspective

    SciTech Connect

    Chun Sheng Goh; Martin Junginger; Maurizio Cocchi; Didier Marchal; Daniela Thran; Christiane Hennig; Jussi Heinimo; Lars Nikolaisen; Peter-Paul Schouwenberg; Douglas Bradley; J. Richard Hess; Jacob J. Jacobson; Leslie Ovard; Michael Deutmeyer

    2001-01-01

    This perspective provides an overview of wood pellet markets in a number of countries of high significance, together with an inventory of market factors and relevant past or existing policies. In 2010, the estimated global wood pellet production and consumption were close to 14.3 Mt (million metric tonnes) and 13.5 Mt, respectively, while the global installed production capacity had reached over 28 Mt. Two types of pellets are mainly traded (i) for residential heating and (ii) for large-scale district heating or co-fi ring installations. The EU was the primary market, responsible for nearly 61% and 85% of global production and consumption, respectively in 2010. EU markets were divided according to end use: (i) residential and district heating, (ii) power plants driven market, (iii) mixed market, and (iv) export-driven countries. North America basically serves as an exporter, but also with signifi cant domestic consumption in USA. East Asia is predicted to become the second-largest consumer after the EU in the near future. The development perspective in Latin America remains unclear. Five factors that determine the market characteristics are: (i) the existence of coal-based power plants, (ii) the development of heating systems, (iii) feedstock availability, (iv) interactions with wood industry, and (v) logistics factor. Furthermore, intervention policies play a pivotal role in market development. The perspective of wood pellets industry was also analyzed from four major aspects: (i) supply potential, (ii) logistics issues, (iii) sustainability considerations, and (iv) technology development.

  19. Engineering methods for the design and employment of wood cribs

    SciTech Connect

    Barczak, T.M. ); Gearhart, D.F. )

    1993-01-01

    Wood cribs are used extensively by the mining industry to stabilize mine openings. While the cost per crib is relatively low, their extensive use can result in annual mine costs of over $1 million. In an effort to improve the utilization of these supports and to reduce ground control hazards, the US Bureau of Mines has developed engineering methods to assist mine operators in wood-crib design and employment. Design and employment criteria are established based on the strength, stiffness, and stability of the crib structure in relation to the load conditions imposed by the mine environment. Models have been developed based on full-scale tests in the USBM's Mine Roof Simulator that compute the capacity of wood cribs of various configurations and material constructions as a function of displacement of the crib structure due to roof-and-floor convergence. These models permit the comparison of the loading characteristics and cost of employment of different crib designs, and in conjunction with roof behavior models, provide a means to determine the optimum design and employment strategy. In eastern coal mines, wood cribs generally are constructed from hardwood timbers, while softwood timbers generally are used in western coal mines. 11 refs., 27 figs., 2 tabs.

  20. Vertical feed stick wood fuel burning furnace system

    DOEpatents

    Hill, Richard C.

    1982-01-01

    A stove or furnace for efficient combustion of wood fuel includes a vertical feed combustion chamber (15) for receiving and supporting wood fuel in a vertical attitude or stack. A major upper portion of the combustion chamber column comprises a water jacket (14) for coupling to a source of water or heat transfer fluid for convection circulation of the fluid. The locus (31) of wood fuel combustion is thereby confined to the refractory base of the combustion chamber. A flue gas propagation delay channel (34) extending laterally from the base of the chamber affords delayed travel time in a high temperature refractory environment sufficient to assure substantially complete combustion of the gaseous products of wood burning with forced air prior to extraction of heat in heat exchanger (16). Induced draft draws the fuel gas and air mixture laterally through the combustion chamber and refractory high temperature zone to the heat exchanger and flue. Also included are active sources of forced air and induced draft, multiple circuit couplings for the recovered heat, and construction features in the refractory material substructure and metal component superstructure.

  1. Vertical feed stick wood fuel burning furnace system

    DOEpatents

    Hill, Richard C.

    1984-01-01

    A new and improved stove or furnace for efficient combustion of wood fuel including a vertical feed combustion chamber for receiving and supporting wood fuel in a vertical attitude or stack, a major upper portion of the combustion chamber column comprising a water jacket for coupling to a source of water or heat transfer fluid and for convection circulation of the fluid for confining the locus of wood fuel combustion to the bottom of the vertical gravity feed combustion chamber. A flue gas propagation delay channel extending from the laterally directed draft outlet affords delayed travel time in a high temperature environment to assure substantially complete combustion of the gaseous products of wood burning with forced air as an actively induced draft draws the fuel gas and air mixture laterally through the combustion and high temperature zone. Active sources of forced air and induced draft are included, multiple use and circuit couplings for the recovered heat, and construction features in the refractory material substructure and metal component superstructure.

  2. Production of chemical feedstock by the methanolysis of wood

    DOEpatents

    Steinberg, M.; Fallon, P.

    1983-06-01

    A process is discussed for the production of ethylene, benzene and carbon monoxide from particulated biomass such as wood by reaction with methane at a temperature of from 700/sup 0/C to 1200/sup 0/C, at a pressure of from 20 psi to 100 psi for a period of from 0.2 to 10 seconds.

  3. Production of chemical feedstock by the methanolysis of wood

    DOEpatents

    Steinberg, Meyer; Fallon, Peter

    1984-07-31

    A process for the production of ethylene, benzene and carbon monoxide from particulated biomass such as wood by reaction with methane at a temperature of from 700.degree. C. to 1200.degree. C., at a pressure of from 20 psi to 100 psi for a period of from 0.2 to 10 seconds.

  4. Improved Wood Properties Through Genetic Manipulation

    SciTech Connect

    2006-10-01

    This factsheet describes a research project to replacing the more chemically resistant guaiacyl (G) lignin with the less resistant hardwood guaiacyl (G)-syringyl (S) lignin genes. Achieving this genetic change would reduce the energy, chemical, and bleaching required in Kraft pulp production of softwoods.

  5. Using recycled wood waste as a fuel in the northeast: A handbook for prospective urban wood waste producers, suppliers and consumers

    SciTech Connect

    Prast, W.G.; Donovan, C.T.

    1988-03-01

    This report provides a comprehensive analysis of existing and future markets for recycled wood wastes in the eleven-state northeast region. The purpose of the report is to estimate the availability of wood and woody materials in the solid waste stream and to determine the technical and economic viability of separating and recycling them for other uses. The topics discussed include: current and future markets for recycled wood wastes; key components of successful wood waste processing facilities; decisionmaking process used to determine technical and economic viability of a proposed processing facility; environmental regulations and the permitting process required for recycled wood waste processors and users; case studies and annotated listings of existing wood waste processors and uses; detailed assessments of market opportunities in three metropolitan areas including Boston, New York, and Philadelphia; and a proposed action plan to stimulate and facilitate future market development.

  6. ENERGY

    Energy.gov [DOE] (indexed site)

    U.S. Department of ENERGY Department of Energy Quadrennial Technology Review-2015 Framing Document http:energy.govqtr 2015-01-13 Page 2 The United States faces serious ...

  7. Energy

    Office of Legacy Management (LM)

    Energy Washington; DC 20585 : . ' , - o" ' ' ,' DEC ?; ;y4,,, ' . The Honorable ... Dear,Mayor 'Kalwitz: " . " Secretary of Energy Hazel' O'Leary has announceha new,approach ...

  8. Renewable energy annual 1996

    SciTech Connect

    1997-03-01

    This report presents summary data on renewable energy consumption, the status of each of the primary renewable technologies, a profile of each of the associated industries, an analysis of topical issues related to renewable energy, and information on renewable energy projects worldwide. It is the second in a series of annual reports on renewable energy. The renewable energy resources included in the report are biomass (wood and ethanol); municipal solid waste, including waste-to-energy and landfill gas; geothermal; wind; and solar energy, including solar thermal and photovoltaic. The report also includes various appendices and a glossary.

  9. INTERACTIVE: Energy Intensity and Carbon Intensity by the Numbers |

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Department of Energy INTERACTIVE: Energy Intensity and Carbon Intensity by the Numbers INTERACTIVE: Energy Intensity and Carbon Intensity by the Numbers February 19, 2016 - 11:53am Addthis Daniel Wood Daniel Wood Data Visualization and Cartographic Specialist, Office of Public Affairs Watch our CO2 drop dramatically compared to other countries in this interactive Curious about the total amount of carbon we emit into the atmosphere? Compare countries from around the globe using this tool. If

  10. URBAN WOOD/COAL CO-FIRING IN THE NIOSH BOILER PLANT

    SciTech Connect

    James T. Cobb Jr.

    2005-02-10

    Phase I of this project began by obtaining R&D variances for permits at the NIOSH boilerplant (NBP), Emery Tree Service (ETS) and the J. A. Rutter Company (JARC) for their portions of the project. Wood for the test burn was obtained from the JARC inventory (pallets), Thompson Properties and Seven D Corporation (construction wood), and the Arlington Heights Housing Project (demolition wood). The wood was ground at ETS and JARC, delivered to the Three Rivers Terminal and blended with coal. Three one-day tests using wood/coal blends of 33% wood by volume (both construction wood and demolition wood) were conducted at the NBP. Blends using hammermilled wood were operationally successful. Emissions of SO{sub 2} and NOx decreased and that of CO increased when compared with combusting coal alone. Mercury emissions were measured and evaluated. During the first year of Phase II the principal work focused upon searching for a replacement boilerplant and developing a commercial supply of demolition wood. The NBP withdrew from the project and a search began for another stoker boilerplant in Pennsylvania to replace it on the project. Three potential commercial demolition wood providers were contacted. Two were not be able to supply wood. At the end of the first year of Phase II, discussions were continuing with the third one, a commercial demolition wood provider from northern New Jersey. During the two-and-a-third years of the contract extension it was determined that the demolition wood from northern New Jersey was impractical for use in Pittsburgh, in another power plant in central New Jersey, and in a new wood gasifier being planned in Philadelphia. However, the project team did identify sufficient wood from other sources for the gasifier project. The Principal Investigator of this project assisted a feasibility study of wood gasification in Clarion County, Pennsylvania. As a result of the study, an independent power producer in the county has initiated a small wood

  11. Energy

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy Energy National security depends on science and technology. The United States relies on Los Alamos National Laboratory for the best of both. No place on Earth pursues a broader array of world-class scientific endeavors. Energy Overview Charlie McMillan, Director of Los Alamos National Laboratory 0:50 Director McMillan on energy security With energy use increasing across the nation and the world, Los Alamos National Laboratory is using its world-class scientific capabilities to enhance

  12. Building America Case Study: Retrofit Measure for Embedded Wood Members in Insulated Mass Masonry Walls, Lawrence, Massachusetts

    SciTech Connect

    2015-10-01

    ?There are many existing buildings with load-bearing mass masonry walls, whose energy performance could be improved with the retrofit of insulation. However, adding insulation to the interior side of walls of such masonry buildings in cold (and wet) climates may cause performance and durability problems. Some concerns, such as condensation and freeze-thaw have known solutions. But wood members embedded in the masonry structure will be colder (and potentially wetter) after an interior insulation retrofit. Moisture content and relative humidity were monitored at joist ends in historic mass brick masonry walls retrofitted with interior insulation in a cold climate (Zone 5A); data were collected from 2012-2015. Eleven joist ends were monitored in all four orientations. One limitation of these results is that the renovation is still ongoing, with limited wintertime construction heating and no permanent occupancy to date. Measurements show that many joists ends remain at high moisture contents, especially at north- and east-facing orientations, with constant 100 percent RH conditions at the worst cases. These high moisture levels are not conducive for wood durability, but no evidence for actual structural damage has been observed. Insulated vs. non-insulated joist pockets do not show large differences. South facing joists have safe (10-15 percent) moisture contents. Given the uncertainty pointed out by research, definitive guidance on the vulnerability of embedded wood members is difficult to formulate. In high-risk situations, or when a very conservative approach is warranted, the embedded wood member condition can be eliminated entirely, supporting the joist ends outside of the masonry pocket.

  13. Biomass energies: resources, links, constraints

    SciTech Connect

    Smil, V.

    1983-01-01

    This book presents information on the following topics: radiation and photosynthesis; primary production and biomass; resources; wood for energy; silviculture; requirements and effects; crop residues; residues for energy conversion; sugar crops and grain; cassava; fuel crops; aquatic plants; freshwater plants; ocean algae; animal wastes; Chinese biogas generation; and ecodisasters.

  14. Tax Credits, Rebates & Savings | Department of Energy

    Energy.gov [DOE] (indexed site)

    Qualifying Wood Stove Deduction This incentive allows Arizona taxpayers to deduct the cost of converting an existing wood fireplace to a qualifying wood stove, a qualified wood...

  15. Assessment of superheated steam drying of wood waste

    SciTech Connect

    Woods, B.G.; Nguyen, Y.; Bruce, S.

    1994-12-31

    A 5 MW co-generation facility using wood waste is described which will supply power to Ontario Hydro, steam to the sawmill for process heating, and hot water for district heating customers in the town. The use of superheated steam for drying the wood was investigated to determine the impact on boiler performance, the environmental impact and the economic feasibility. The main benefit with superheated steam drying is the reduction in VOC emissions. The capital cost is currently higher with superheated steam drying, but further investigation is warranted to determine if the cost reductions which could be achieved by manufacturing the major components in North America are sufficient to make the technology cost competitive.

  16. Kinetics of fluidized bed combustion of wood pellets

    SciTech Connect

    Leckner, B.; Hansson, K.M.; Tullin, C.; Borodulya, A.V.; Dikalenko, V.I.; Palchonok, G.I.

    1999-07-01

    Devolatilization and char combustion of a single wood pellet in a fluidized bed has been studied. The effect of operation parameters (bed temperature, bed particle size, oxygen concentration) and pellet characteristics has been investigated. A simplified analytical model of heat-transfer controlled pyrolysis has been developed to interpret the measured volatiles release time. The model predictions are in a good agreement with the experimental data, provided that the initial physical properties of the pellet are used. The model can be used to estimate the devolatilization times in other combustion systems. Kinetic parameters of char combustion are obtained, based on the measured burnout times and simple model considerations. The physical properties of wood pellets need further study.

  17. Characterization of ashes from co-combustion of refuse-derived fuel with coal, wood and bark in a fluidized bed

    SciTech Connect

    Zevenhoven, R.; Skrifvars, B.J.; Hupa, M.

    1998-12-31

    The technical and environmental feasibility of co-combustion of a recovered fuel (RF) prepared from combustible waste fractions (separated at the source), together with coal, peat, wood or wood-waste in thermal power/electricity generation has been studied in several R and D projects within Finland. The current work focuses on eventual changes in ash characteristics during co-combustion of RF with coal, wood or bark, which could lead to bed agglomeration, slagging, fouling and even corrosion in the boiler. Ashes were produced in a 15 kW bubbling fluidized bed (BFB) combustion reactor, the fly ash captured by the cyclone was further analyzed by XRF. The sintering tendency behavior of these ashes was investigated using a test procedure developed at Aabo Akademi University. Earlier, a screening program involved ashes from RF (from a waste separation scheme in Finland) co-combustion with peat, wood and bark, in which ash pellets were thermally treated in air. This showed significant sintering below 600 C as well as above 800 C for RF/wood and RF/bark, but not for RF/peat. This seemed to correlate with alkali chloride and sulfate concentrations in the ashes. The current work addresses a Danish refuse-derived fuel (RDF), co-combusted with bark, coal, bark+coal, wood, and wood+coal (eight tests). Ash pellets were thermally treated in nitrogen in order to avoid residual carbon combustion. The results obtained show no sintering tendencies below 600 C, significant changes in sintering are seen with pellets treated at 1,000 C. Ash from 100% RDF combustion does not sinter, 25% RDF co-combustion with wood and peat, respectively, gives an insignificant effect. The most severe sintering occurs during co-combustion of RDF with bark. Furthermore, it appears that the presence of a 25% coal fraction (on energy basis) seems to have a negative effect on all fuel blends. Analysis of the sintering results versus ash chemical composition shows that, in general, an increased level of

  18. Quality of Wood Pellets Produced in British Columbia for Export

    SciTech Connect

    J. S. Tumuluru; S. Sokhansanj; C. J. Lim; T. Bi; A. Lau; S. Melin; T. Sowlati; E. Oveisi

    2010-11-01

    Wood pellet production and its use for heat and power production are increasing worldwide. The quality of export pellets has to consistently meet certain specifications as stipulated by the larger buyers, such as power utilities or as specified by the standards used for the non-industrial bag market. No specific data is available regarding the quality of export pellets to Europe. To develop a set of baseline data, wood pellets were sampled at an export terminal in Vancouver, British Columbia, Canada. The sampling period was 18 months in 2007-2008 when pellets were transferred from storage bins to the ocean vessels. The sampling frequency was once every 1.5 to 2 months for a total of 9 loading/shipping events. The physical properties of the wood pellets measured were moisture content in the range of 3.5% to 6.5%, bulk density from 728 to 808 kg/m3, durability from 97% to 99%, fines content from 0.03% to 0.87%, calorific value as is from 17 to almost 18 MJ/kg, and ash content from 0.26% to 0.93%.The diameter and length were in the range of 6.4 to 6.5 mm and 14.0 to 19.0 mm, respectively. All of these values met the published non-industrial European grades (CEN) and the grades specified by the Pellet Fuel Institute for the United States for the bag market. The measured values for wood pellet properties were consistent except the ash content values decreased over the test period.

  19. QUALITY OF WOOD PELLETS PRODUCED IN BRITISH COLUMBIA FOR EXPORT

    SciTech Connect

    Tumuluru, J.S.; Sokhansanj, Shahabaddine; Lim, C. Jim; Bi, X.T.; Lau, A.K.; Melin, Staffan; Oveisi, E.; Sowlati, T.

    2010-11-01

    Wood pellet production and its use for heat and power production are increasing worldwide. The quality of export pellets has to consistently meet certain specifications as stipulated by the larger buyers, such as power utilities or as specified by the standards used for the non-industrial bag market. No specific data is available regarding the quality of export pellets to Europe. To develop a set of baseline data, wood pellets were sampled at an export terminal in Vancouver, British Columbia, Canada. The sampling period was 18 months in 2007-2008 when pellets were transferred from storage bins to the ocean vessels. The sampling frequency was once every 1.5 to 2 months for a total of 9 loading/shipping events. The physical properties of the wood pellets measured were moisture content in the range of 3.5% to 6.5%, bulk density from 728 to 808 kg/m3, durability from 97% to 99%, fines content from 0.03% to 0.87%, calorific value as is from 17 to almost 18 MJ/kg, and ash content from 0.26% to 0.93%.The diameter and length were in the range of 6.4 to 6.5 mm and 14.0 to 19.0 mm, respectively. All of these values met the published non-industrial European grades (CEN) and the grades specified by the Pellet Fuel Institute for the United States for the bag market. The measured values for wood pellet properties were consistent except the ash content values decreased over the test period.

  20. Mechanics of compression drying solid wood cubes and chip mats

    SciTech Connect

    Haygreen, J.G.

    1982-10-01

    Wood cubes and chip mats were compressed in a cell under ram face pressures to 13,000 psi. The amount of water removed was determined for a range of species of various specific gravities and at several green moisture contents (MCs). The time dependence of the process was also studied. The purpose of this work was to describe the mechanics of compression drying which must be considered in designing commercial equipment. Green MC of wood chip mats was reduced to 45 to 50 percent MC (31% to 33% MC, wet basis) at pressures of 13,000 psi. At low pressures of 1,000 to 2,000 psi, moisture was reduced to 60 to 75 percent MC (38% to 43% MC, wet basis). There was a significantly greater moisture reduction at these low pressures if the pressure is maintained for up to 2 minutes rather than releasing it immediately once the target pressure is obtained. Water can be removed from high density species but pressures required are higher by a factor of 2 to 3. The chip mat is reduced to about one-sixth of its original volume at 2,000 psi and one-seventh at 6,000 psi. When pressing cubes of high green MC, about 7,000 foot-pounds of work (equivalent to 9 Btu) applied to the wood will remove up to 1 pound of water. (Refs. 9).

  1. Characterization of selected application of biomass energy technologies and a solar district heating and cooling system

    SciTech Connect

    D'Alessio, Dr., Gregory J.; Blaunstein, Robert P.

    1980-09-01

    The following systems are discussed: energy self-sufficient farms, wood gasification, energy from high-yield silviculture farms, and solar district heating and cooling. System descriptions and environmental data are included for each one. (MHR)

  2. Bioenergy Basics | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Education & Workforce Development » Bioenergy Basics Bioenergy Basics Biomass is an energy resource derived from organic matter, which includes wood, agricultural waste, and other living-cell material that can be burned to produce heat energy. It also includes algae, sewage, and other organic substances that may be used to make energy through chemical processes. Biomass currently supplies about 3% of total U.S. energy consumption in the form of electricity, process heat, and transportation

  3. Energy Statistics, Third Quarter, 1991

    SciTech Connect

    Not Available

    1991-01-01

    Data are presented on 104 tables on the following energy sources: petroleum, coal, natural gas, biomass, and electric power by hydroelectric, nuclear, and renewable sources (wood, waste, geothermal, wind, photovoltaic, and solar thermal). Tables include information on imports, energy production, energy consumption, prices, well drilling, seismic survey activity, pipeline mileage, reserves, energy supplies, storage facilities, exports, residential sector use, regional analyses, and business indicators (e.g., price indexes, balance of trade, exchange rates). Gas liquids, petroleum products, and peat information is included.

  4. Wood-fuel use in Papua New Guinea: an assessment of industrial combustion equipment

    SciTech Connect

    Mendis, M.S.

    1980-11-01

    This report presents the results of an engineering and economic assessment of new and retrofit industrial combustion equipment for wood-fuel use in Papua New Guinea. Existing industrial combustion equipment and practices in Papua New Guinea are appraised. Potential industrial wood-fuel systems that utilize wood, wood wastes, charcoal and pyrolytic oils and which are particularly applicable to Papua New Guinea are identified. An economic assessment of wood-fuel systems is conducted for eleven case studies which are representative of a cross-section of Papua New Guinea industry. Conclusions and recommendations are presented to aid both government and industry in Papua New Guinea in fostering the development of appropriate wood-fuel technologies and thereby help displace the consumption of imported petroleum.

  5. Method for predicting dry mechanical properties from wet wood and standing trees

    DOEpatents

    Meglen, Robert R.; Kelley, Stephen S.

    2003-08-12

    A method for determining the dry mechanical strength for a green wood comprising: illuminating a surface of the wood to be determined with light between 350-2,500 nm, the wood having a green moisture content; analyzing the surface using a spectrometric method, the method generating a first spectral data, and using a multivariate analysis to predict the dry mechanical strength of green wood when dry by comparing the first spectral data with a calibration model, the calibration model comprising a second spectrometric method of spectral data obtained from a reference wood having a green moisture content, the second spectral data correlated with a known mechanical strength analytical result obtained from a reference wood when dried and having a dry moisture content.

  6. ITP Forest Products: Energy and Environmental Profile of the...

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... Energy UseYr: 554 10 12 Btu (based on annual paper production of 88.4 ... wood chips prior to pulping using hot water extraction in low-pressure digesters (Thorp 2004). ...

  7. Space-Based Solar Power | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Space-Based Solar Power Space-Based Solar Power March 6, 2014 - 12:10pm Addthis Graphics by Sarah Gerrity. Interactivity by Daniel Wood. Daniel Wood Daniel Wood Data Visualization and Cartographic Specialist, Office of Public Affairs SPACEWEEK: It's Space Week on Energy.gov -- and we're highlighting the contributions of the Energy Department and our National Labs to the U.S. space program. Want to learn more about SBSP? Read up on what current technologies can be used in SBSP by this paper from

  8. 6 Charts that Will Make You Optimistic About America's Clean Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Future | Department of Energy 6 Charts that Will Make You Optimistic About America's Clean Energy Future 6 Charts that Will Make You Optimistic About America's Clean Energy Future September 28, 2016 - 11:47am Addthis Daniel Wood Daniel Wood Data Visualization and Cartographic Specialist, Office of Public Affairs Over the last few years, we've been in the midst of a clean energy revolution. New technologies, once unthinkably expensive to install and use, have become increasingly

  9. They`re up! They`re down! They`re waste-to-energy plants

    SciTech Connect

    Varrasi, J.

    1996-03-01

    Burning garbage - either just to get rid of it, or to recover its latent energy as heat or electricity - has never been a sweet-sounding or -smelling idea. Long before the first boiler and turbine/generator were integrated with a trash incinerator - turning it into a waste-to-energy (WTE) plant - public concern about the air pollution produced by burning municipal solid waste (MSW) began placing an upper bound on the growth of the WTE industry, as it continues to do today. This paper describes some statistics, benefits and problems related to WTE plants.

  10. Particulate emissions from residential wood combustion: Final report: Norteast regional Biomass Program

    SciTech Connect

    Not Available

    1987-01-01

    The objective of this study was to provide a resource document for the Northeastern states when pursuing the analysis of localized problems resulting from residential wood combustion. Specific tasks performed include assigning emission rates for total suspended particulates (TSP) and benzo(a)pyrene (BaP) from wood burning stoves, estimating the impact on ambient air quality from residential wood combustion and elucidating the policy options available to Northeastern states in their effort to limit any detrimental effects resulting from residential wood combustion. Ancillary tasks included providing a comprehensive review on the relevant health effects, indoor air pollution and toxic air pollutant studies. 77 refs., 11 figs., 25 tabs.

  11. Genomics of wood-degrading fungi (Journal Article) | SciTech...

    Office of Scientific and Technical Information (OSTI)

    Details In-Document Search This content will become publicly available on November 1, 2015 Title: Genomics of wood-degrading fungi Authors: Ohm, Robin A. ; Riley, Robert ;...

  12. Water Sampling At Belknap-Foley-Bigelow Hot Springs Area (Wood...

    OpenEI (Open Energy Information) [EERE & EIA]

    Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water Sampling At Belknap-Foley-Bigelow Hot Springs Area (Wood, 2002) Exploration Activity...

  13. Techno-economic analysis of wood biomass boilers for the greenhouse industry

    SciTech Connect

    Chau, J.; Sowlati, T.; Sokhansanj, Shahabaddine; Bi, X.T.; Preto, F.; Melin, Staffan

    2009-01-01

    The objective of this study is to perform a techno-economic analysis on a typical wood pellet and wood residue boiler for generation of heat to an average-sized greenhouse in British Columbia. The variables analyzed included greenhouse size and structure, boiler efficiency, fuel types, and source of carbon dioxide (CO2) for crop fertilization. The net present value (NPV) show that installing a wood pellet or a wood residue boiler to provide 40% of the annual heat demand is more economical than using a natural gas boiler to provide all the heat at a discount rate of 10%. For an assumed lifespan of 25 years, a wood pellet boiler system could generate NPV of C$259,311 without electrostatic precipitator (ESP) and C$74,695 with ESP, respectively. While, installing a wood residue boiler with or without an ESP could provide NPV of C$919,922 or C$1,104,538, respectively. Using a wood biomass boiler could also eliminate over 3000 tonne CO2 equivalents of greenhouse gases annually. Wood biomass combustion generates more particulate matters than natural gas combustion. However, an advanced emission control system could significantly reduce particulate matters emission from wood biomass combustion which would bring the particulate emission to a relatively similar level as for natural gas.

  14. New Methods for Investigating Wood Formation | U.S. DOE Office...

    Office of Science (SC)

    analyses of the evolution of genetic regulation and modifications relating to or ... transcription factor-DNA interactions associated with the regulation of wood formation. ...

  15. Profiles in garbage: Office paper

    SciTech Connect

    Miller, C.

    1998-04-01

    The primary markets for recycled office paper are tissue mills, printing and writing paper, and paperboard packaging. Other uses include exports and newsprint. As recently as 1990, more than half of recovered office paper was exported, primarily to paper mills in Pacific Rim countries. This decade has seen an increase in the number of mills using deinked market pulp made from office paper. North American capacity to produce deinked market pulp skyrocketed in the first half of this decade. However, oversupply in the end markets for office paper led to financial problems and shutdown for several of these new mills.

  16. Profiles in garbage glass containers

    SciTech Connect

    Miller, C.

    1997-09-01

    Glass containers are made from sand, limestone, soda ash, cullet (crushed bottles), and various additives, including those used to color brown, green, or blue bottles. Sixty percent of the glass used in the US is clear (flint) and one-fourth is brown (amber). Almost half of the green bottles are imported wind and beer bottles. Other glass products include flat glass such as windows; fiberglass insulation; and glassware. These products use different manufacturing processes and different additives than container glass. This profile covers only container glass. Glass bottles are commonly collected in curb-side programs. Losses due to breakage and the abrasiveness of glass during collection and processing offset their low collection and processing costs. Breakage solutions include installation of interior baffles or nets in the collection trucks, special glass-only truck compartments, and limiting the number of times glass is transferred after collection before final processing. Ten states require deposits on glass bottles for beer and soft drinks and related items.

  17. Profiles in garbage: Corrugated boxes

    SciTech Connect

    Miller, C.

    1997-12-01

    Corrugated boxes (also known as old corrugated containers, or OCC) are used to ship products to factories, warehouses, retail stores, offices, and homes. The primary market for OCC is the paperboard industry, which uses OCC for corrugated medium, linerboard, recycled paperboard, and other paper products. In addition, 2.6 million tons of OCC were exported in 1996. OCC provided 37% of the scrap paper that was exported in 1996. Some corrugated boxes can be reused before recycling. Corrugated boxes are easily and highly recyclable. Large producers such as grocery store warehouses and factories have recycled their corrugated boxes for some time. If shredded properly, uncoated corrugated boxes are easily compostable.

  18. Profiles in garbage: Steel cans

    SciTech Connect

    Miller, C.

    1998-02-01

    Steel mills are the largest market for steel cans. Integrated mills use the basic oxygen process to manufacture tinplate, appliances, car bodies, and steel framing. Electric arc furnaces use 100% scrap to produce steel shapes such as railroad ties and bridge spans. Electric arc furnaces are more geographically diverse and tend to have smaller capacities than basic oxygen furnaces. Detinners remove the tin from steel cans for resale to tin using industries. With less tin use in steel cans, the importance of the detinning market has declined substantially. Foundries use scrap as a raw material in making castings and molds for industrial users.

  19. Profiles in garbage: Polyethylene terephthalate

    SciTech Connect

    Miller, C.

    1997-11-01

    Polyethylene terephthalate (PET) is a plastic resin used primarily to make bottles. Soft drinks -- along with salad dressing, fruit juices, peanut butter, and other household and consumer products -- use PET bottles. PET also is used for film, sheeting for cups and food trays, oven-safe trays, and other uses. PET is a relatively new packaging resin, first commercialized in the early 1970s. Because it is an ``engineered`` resin, PET is more expensive than commodity resins such as high-density polyethylene (HDPE) and, for the same reason, it is usually the highest valued plastic recyclable.

  20. Development of size reduction equations for calculating power input for grinding pine wood chips using hammer mill

    DOE PAGES [OSTI]

    Naimi, Ladan J.; Collard, Flavien; Bi, Xiaotao; Lim, C. Jim; Sokhansanj, Shahab

    2016-01-05

    Size reduction is an unavoidable operation for preparing biomass for biofuels and bioproduct conversion. Yet, there is considerable uncertainty in power input requirement and the uniformity of ground biomass. Considerable gains are possible if the required power input for a size reduction ratio is estimated accurately. In this research three well-known mechanistic equations attributed to Rittinger, Kick, and Bond available for predicting energy input for grinding pine wood chips were tested against experimental grinding data. Prior to testing, samples of pine wood chips were conditioned to 11.7% wb, moisture content. The wood chips were successively ground in a hammer millmore » using screen sizes of 25.4 mm, 10 mm, 6.4 mm, and 3.2 mm. The input power and the flow of material into the grinder were recorded continuously. The recorded power input vs. mean particle size showed that the Rittinger equation had the best fit to the experimental data. The ground particle sizes were 4 to 7 times smaller than the size of installed screen. Geometric mean size of particles were calculated using two methods (1) Tyler sieves and using particle size analysis and (2) Sauter mean diameter calculated from the ratio of volume to surface that were estimated from measured length and width. The two mean diameters agreed well, pointing to the fact that either mechanical sieving or particle imaging can be used to characterize particle size. In conclusion, specific energy input to the hammer mill increased from 1.4 kWh t–1 (5.2 J g–1) for large 25.1-mm screen to 25 kWh t–1 (90.4 J g–1) for small 3.2-mm screen.« less

  1. Environmental characterization studies of a high-throughput wood gasifier

    SciTech Connect

    Chang, H.; Niemann, R.C.; Wilzbach, K.E.; Paisley, M.

    1983-01-01

    Potential environmental effects associated with thermochemical biomass gasification have been studied by Argonne National Laboratory in cooperation with Battelle Columbus Laboratories (BCL). A series of samples from the process research unit of an indirectly heated, high-throughput wood gasifier operated by BCL has been analyzed for potentially toxic organic compounds and trace elements. The results indicate that, under the test-run conditions, the gasification of both pine and hardwood is accompanied by the formation of some oil, the heavier fraction of which gives a positive response in the Ames assay for mutagenicity and contains numerous phenols and polycyclic aromatic hydrocarbons, including some carcinogens. The implications of these observations are discussed.

  2. Investigations on catalyzed steam gasification of biomass. Appendix A. Feasibility study of methane production via catalytic gasification of 2000 tons of wood per day

    SciTech Connect

    Mudge, L.K.; Weber, S.L.; Mitchell, D.H.; Sealock, L.J. Jr.; Robertus, R.J.

    1981-01-01

    A study has been made of the economic feasibility of producing substitute natural gas (SNG) from wood via catalytic gasification with steam. The plant design in this study was developed from information on gasifier operation supplied by the Pacific Northwest Laboratory (PNL). The plant is designed to process 2000 tons per day of dry wood to SNG. Plant production is 21.6 MM scfd of SNG with a HHV of 956 Btu per scf. All process and support facilities necessary to convert wood to SNG are included. The plant location is Newport, Oregon. The capital cost for the plant is $95,115,000 - September, 1980 basis. Gas production costs which allow for return on capital have been calculated for various wood prices for both utility and private investor financing. For utility financing, the gas production costs are respectively $5.09, $5.56, $6.50, and $8.34 per MM Btu for wood costs of $5, $10, $20, and $40 per dry ton delivered to the plant at a moisture content of 49.50 wt %. For private investor financing, the corresponding product costs are $6.62, $7.11, $8.10, and $10.06 per MM Btu. The cost calculated by the utility financing method includes a return on equity of 15% and an interest rate of 10% on the debt. The private investor financing method, which is 100% equity financing, incorporates a discounted cash flow (DCF) return on equity of 12%. The thermal efficiency without taking an energy credit for by-product char is 58.3%.

  3. Waste-to-energy: Benefits beyond waste disposal

    SciTech Connect

    Charles, M.A.; Kiser, J.V.L. )

    1995-01-01

    More than 125 waste-to-energy plants operate in North America, providing dependable waste disposal for thousands of communities. But the benefits of waste-to-energy plants go beyond getting rid of the garbage. Here's a look at some of the economic, environmental, and societal benefits that waste-to-energy projects have brought to their communities. The reasons vary considerably as to why communities have selected waste-to-energy as a part of their waste management systems. Common on the lists in many communities are a variety of benefits beyond dependable waste disposal. A look at experiences in four communities reveals environmental, economic, energy, and societal benefits that the projects provide to the communities they serve.

  4. System Modeling of ORNL s 20 MW(t) Wood-fired Gasifying Boiler

    SciTech Connect

    Daw, C Stuart; FINNEY, Charles E A; Wiggins, Gavin; Hao, Ye

    2010-01-01

    We present an overview of the new 20 MW(t) wood-fired steam plant currently under construction by Johnson Controls, Inc. at the Oak Ridge National Laboratory in Tennessee. The new plant will utilize a low-temperature air-blown gasifier system developed by the Nexterra Systems Corporation to generate low-heating value syngas (producer gas), which will then be burned in a staged combustion chamber to produce heat for the boiler. This is considered a showcase project for demonstrating the benefits of clean, bio-based energy, and thus there is considerable interest in monitoring and modeling the energy efficiency and environmental footprint of this technology relative to conventional steam generation with petroleum-based fuels. In preparation for system startup in 2012, we are developing steady-state and dynamic models of the major process components, including the gasifiers and combustor. These tools are intended to assist in tracking and optimizing system performance and for carrying out future conceptual studies of process changes that might improve the overall energy efficiency and sustainability. In this paper we describe the status of our steady-state gasifier and combustor models and illustrate preliminary results from limited parametric studies.

  5. How Much Do You Spend? | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Much Do You Spend? How Much Do You Spend? July 2, 2014 - 11:52am Addthis U.S.A. Energy Expenditure per person Click on a state Energy Expenditure $3724 per person in 2012 Transportation ▀▀▀▀▀ Residential ▀▀▀▀▀ Data: EIA State Energy Data System Daniel Wood Daniel Wood Data Visualization and Cartographic Specialist, Office of Public Affairs Looking for more energy data? Check out our library of energy maps. This past weekend, the Energy Information Administration (EIA)

  6. Energy

    Annual Energy Outlook

    M onthly Energy Re< view Ila A a m 0 II 8 IIIW *g U In this issue: New data on nuclear electricity in Eastern Europe (Table 10.4) 9'Ij a - Ordering Information This publication...

  7. Buildings Energy Data Book: 1.6 Embodied Energy of Building Assemblies

    Buildings Energy Data Book

    1 Embodied Energy of Commercial Windows in the U.S. Embodied Energy CO2 Equivalent Window Type (MMBtu/SF) (1) Emissions (lbs/SF) Aluminium 0.973 190.1 PVC-clad Wood 0.447 88.3 Wood 0.435 90.9 Vinyl (PVC) 0.557 111.7 Curtainwall Viewable Glazing 0.233 66.1 Note(s): Source(s): 1) Embodied Energy: Energy use includes extraction, processing, transportation, construction, and disposal of each material. Assumptions: Low rise building. Values are general estimations for the U.S. 60 year building

  8. Hygrothermal Performance of West Coast Wood Deck Roofing System

    SciTech Connect

    Pallin, Simon B; Kehrer, Manfred; Desjarlais, Andre Omer

    2014-02-01

    Simulations of roofing assemblies are necessary in order to understand and adequately predict actual the hygrothermal performance. At the request of GAF, simulations have been setup to verify the difference in performance between white and black roofing membrane colors in relation to critical moisture accumulation for traditional low slope wood deck roofing systems typically deployed in various western U.S. Climate Zones. The performance of these roof assemblies has been simulated in the hygrothermal calculation tool of WUFI, from which the result was evaluated based on a defined criterion for moisture safety. The criterion was defined as the maximum accepted water content for wood materials and the highest acceptable moisture accumulation rate in relation to the risk of rot. Based on the criterion, the roof assemblies were certified as being either safe, risky or assumed to fail. The roof assemblies were simulated in different western climates, with varying insulation thicknesses, two different types of wooden decking, applied with varying interior moisture load and with either a high or low solar absorptivity at the roof surface (black or white surface color). The results show that the performance of the studied roof assemblies differs with regard to all of the varying parameters, especially the climate and the indoor moisture load.

  9. THE ROLE OF DEAD WOOD IN MAINTAINING ARTHROPOD DIVERSITY ON THE FOREST FLOOR.

    SciTech Connect

    Hanula, James L.; Horn, Scott; Wade, Dale D.

    2006-08-01

    AbstractDead wood is a major component of forests and contributes to overall diversity, primarily by supporting insects that feed directly on or in it. Further, a variety of organisms benefit by feeding on those insects. What is not well known is how or whether dead wood influences the composition of the arthropod community that is not solely dependent on it as a food resource, or whether woody debris influences prey available to generalist predators. One group likely to be affected by dead wood is ground-dwelling arthropods. We studied the effect of adding large dead wood to unburned and frequently burned pine stands to determine if dead wood was used more when the litter and understory plant community are removed. We also studied the effect of annual removal of dead wood from large (10-ha) plots over a 5-year period on ground-dwelling arthropods. In related studies, we examined the relationships among an endangered woodpecker that forages for prey on live trees, its prey, and dead wood in the forest. The results of these and other studies show that dead wood can influence the abundance and diversity of the ground-dwelling arthropod community and of prey available to generalist predators not foraging directly on dead trees.

  10. Demonstration of wood/coal co-firing in a spreader stoker

    SciTech Connect

    Cobb, J.T. Jr.; Elder, W.W.; Geiger, G.E.; Campus, N.J.; Miller, W.F.; Freeman, M.C.; McCreery, L.R.

    1999-07-01

    The Forest Service of the U.S. Department of Agriculture is sponsoring a series of demonstrations of wood/coal co-firing in stoker boilers. The first demonstration was conducted in 1997 in an industrial traveling-grate stoker boiler and the second in May 1999 in a spreader stoker boiler operated by the National Institute of Occupational Safety and Health (NIOSH) at the Bruceton Research Laboratory. The principal wood used in both demonstrations was tub-ground broken pallets. In the first phase of the NIOSH demonstration, four five-ton loads of wood/coal mixtures, varying from 3% to 12% wood (by Btu content), were combusted. The second phase of this demonstration was a 50-hour test using a 10% wood/coal blend delivered in two 20-ton loads. It has been concluded from both demonstrations that (1) a 10% wood/coal blend burns acceptably in the boiler, but (2) tub-ground urban wood is unacceptably difficult to feed through the grill above the delivery pit and through the spreader stokers. A method is being sought to acquire urban waste wood, having a more chip-like nature, to use in further testing and for commercialization.

  11. Relationships between dead wood and arthropods in the Southeastern United States.

    SciTech Connect

    Ulyshen, Michael, Darragh

    2009-05-01

    The importance of dead wood to maintaining forest diversity is now widely recognized. However, the habitat associations and sensitivities of many species associated with dead wood remain unknown, making it difficult to develop conservation plans for managed forests. The purpose of this research, conducted on the upper coastal plain of South Carolina, was to better understand the relationships between dead wood and arthropods in the southeastern United States. In a comparison of forest types, more beetle species emerged from logs collected in upland pine-dominated stands than in bottomland hardwood forests. This difference was most pronounced for Quercus nigra L., a species of tree uncommon in upland forests. In a comparison of wood postures, more beetle species emerged from logs than from snags, but a number of species appear to be dependent on snags including several canopy specialists. In a study of saproxylic beetle succession, species richness peaked within the first year of death and declined steadily thereafter. However, a number of species appear to be dependent on highly decayed logs, underscoring the importance of protecting wood at all stages of decay. In a study comparing litter-dwelling arthropod abundance at different distances from dead wood, arthropods were more abundant near dead wood than away from it. In another study, grounddwelling arthropods and saproxylic beetles were little affected by large-scale manipulations of dead wood in upland pine-dominated forests, possibly due to the suitability of the forests surrounding the plots.

  12. Christina Stowers | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Christina Stowers About Us Christina Stowers - Communications Specialist in the Weatherization and Intergovernmental Programs Office Christina Stowers is Communications Specialist in the Office of Weatherization and Intergovernmental Program. Most Recent Washington School District Makes the Grade in Energy Efficiency September 2 Massachusetts Schools Switch to Wood Pellets August 20 Sustainability at Home: Raising the Bar August 11

  13. History of the Energy Department's Role in Nuclear Security | Department of

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Energy History of the Energy Department's Role in Nuclear Security History of the Energy Department's Role in Nuclear Security April 6, 2015 - 2:58pm Addthis Allison Lantero Allison Lantero Digital Content Specialist, Office of Public Affairs Daniel Wood Daniel Wood Data Visualization and Cartographic Specialist, Office of Public Affairs Learn More Check out the cutting-edge nuclear research going on at the National Labs. Learn more about the history of the National Nuclear Security

  14. EIA's Energy in Brief: How much U.S. electricity is generated from

    Gasoline and Diesel Fuel Update

    renewable energy? much U.S. electricity is generated from renewable energy? Last Updated: May 5, 2016 U.S. power plants used renewable energy sources, including water, wind, biomass wood and waste, geothermal, and solar, to generate about 13% of the electricity produced in the United States during 2015. Sources of Renewable Electricity Generation, 2013; chart shaped like an outlet. Renewables are 13% of generation. Renewable breakout: hydropower, 52%; wind, 32%; biomass wood, 8%; biomass

  15. Energy plantations in the Republic of the Philippines. Forest Service research paper

    SciTech Connect

    Durst, P.B.

    1987-07-01

    Development and management of plantations to support wood-energy programs have been aggressively promoted in the Philippines since 1979. Over 60,000 hectares of energy plantations have been planted under government-supported programs. The paper documents the problems and accomplishments of these programs and describes plantation establishment, maintenance, protection, growth and yield, harvesting, and wood transport. Research priorities for improving energy-farm operations are also suggested.

  16. Window Types | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Window Types Window Types A wood-frame window with insulated window glazing. | Photo courtesy of ©iStockphoto/chandlerphoto A wood-frame window with insulated window glazing. | Photo courtesy of ©iStockphoto/chandlerphoto Windows come in a number of different frame and glazing types. By combining an energy-efficient frame choice with a glazing type tailored to your climate and application, you can customize each of your home's windows. Types of Window Frames Improving the thermal resistance

  17. Renewable energy 1998: Issues and trends

    SciTech Connect

    1999-03-01

    This report presents the following five papers: Renewable electricity purchases: History and recent developments; Transmission pricing issues for electricity generation from renewable resources; Analysis of geothermal heat pump manufacturers survey data; A view of the forest products industry from a wood energy perspective; and Wind energy developments: Incentives in selected countries. A glossary is included. 19 figs., 27 tabs.

  18. Potential role of lignin in tomorrow's wood utilization technologies

    SciTech Connect

    Glasser, W.G.

    1981-03-01

    Low-grade timber supplies and wood processing residues are presently converted into paper products, used for fuel, or remain totally unused. Competition for this resource will continue to mount, particularly when manufacturers of chemicals and liquid fuels enter the market with new technologies now under development. The type of technology that concentrates on depolymerization of carbohydrates will generate large quantities of lignin-rich residues. The potential of these lignins to contribute to the economic feasibility of new chemical wood process technologies may involve degradative depolymerization to phenols and benzene, or polymer conversion into a wide variety of dispersants, binders, reinforcing and antioxidizing agents, etc. Where lignin's fuel value lies around 3 to 4 cents/lb. (fall of 1979), its raw material value for phenol is reported to be almost 5 cents/lb., and the value of the polymeric materials is estimated to be between 6 and 20 cents/lb. At the lower end of this range of raw material values are ligninsulfonates, which contribute nearly 98 percent to the approximately 1.5 billion lb./yr. U.S. market for lignin products. Kraft lignins are located at the opposite end of this range. Novel bioconversion-type lignins are expected to be more similar in structure and properties to kraft than to sulfite lignins. Whereas application of the dispersant properties of ligninsulfonates in tertiary oil recovery operations is expected to constitute the most significant use of lignin in terms of volume, adhesive and resin applications hold the greatest promise in terms of value. Both utilization schemes seem to require pretreatments in the form of either polymeric fractionation or chemical modification. Potential savings from the use of polymeric lignins in material systems are great.

  19. The Pennsylvanian and Permian Oquirrh-Wood River basin

    SciTech Connect

    Geslin, J.K. . Dept. of Earth and Planetary Sciences)

    1993-04-01

    Strata of the Middle Pennsylvanian to Lower Permian Oquirrh-Wood River Basin (OWRB) lie unconformably above the Antler orogenic belt and flysch trough/starved basin in NW Utah, NE Nevada, and SC Idaho. Strata of the basin, now separated geographically by the Neogene Snake River Plain, show similar subsidence histories, identical mixed carbonate-siliciclastic sedimentary fill, and identical chert pebble conglomerate beds supplied by one or more DesMoinesian uplifts containing Lower Paleozoic strata. This conglomerate, of the lower Sun Valley Group, Snaky Canyon Formation, and parts of the Oquirrh Formation, was reworked progressively southward, to at least the Idaho-Utah border. It is present in strata as young as Virgilian. Virgilian to Leonardian rocks are ubiquitously fine-grained mixed carbonate-siliciclastic turbidites. These rocks contain cratonal, well-sorbed subarkosic and quartzose sand and silt in part derived from the Canadian Shield. This siliciclastic fraction is intimately mixed with arenaceous micritized skeletal material and peloids derived from an eastern carbonate platform represented by the Snaky Canyon Formation in east-central Idaho, an eastern facies of the Eagle Creek Member, Wood River Formation in the Boulder Mountains, and the Oquirrh Formation in the Deep Creek Mountains. Subsidence of the OWRB may have been caused by two phases (DesMoinesian and Wolfcampian to Leonardian) of crustal loading by continental margin tectonism to the west. An elevated rim separated the OWRB from coeval volcanogenic basins to the west. Earlier, Antler-age structures may have been reactivated. A new pulse of tectonism occurred in Leonardian to Guadalupian time as in most places carbonatic and phosphatic strata of the Leonardian to Guadalupian Park City and Phosphoria Formation overlie OWRB strata, with different geographic arrangement of basinal, slope, and shelf depocenters.

  20. Equipment Design and Cost Estimation for Small Modular Biomass Systems, Synthesis Gas Cleanup, and Oxygen Separation Equipment; Task 2: Gas Cleanup Design and Cost Estimates -- Wood Feedstock

    SciTech Connect

    Nexant Inc.

    2006-05-01

    As part of Task 2, Gas Cleanup and Cost Estimates, Nexant investigated the appropriate process scheme for treatment of wood-derived syngas for use in the synthesis of liquid fuels. Two different 2,000 metric tonne per day gasification schemes, a low-pressure, indirect system using the gasifier, and a high-pressure, direct system using gasification technology were evaluated. Initial syngas conditions from each of the gasifiers was provided to the team by the National Renewable Energy Laboratory. Nexant was the prime contractor and principal investigator during this task; technical assistance was provided by both GTI and Emery Energy.

  1. Performance of a small underfed wood chip-fired stoker in a hot air-heated home

    SciTech Connect

    Schneider, M.H.

    1983-01-01

    The goal of the study was to provide space heat for a home using forest biomass presently not in demand by industry, and by using a convenient, automatic, low-emission heating system. A stoker firing wood chips was installed in a home, and chips were prepared for it from the residues of a softwood clearcut. Residues from 1 and a quarter acre provided enough fuel to heat the house for the heating season. The chip-fired heating system was convenient, maintained the house at whatever temperature was set on the room thermostat, and generated little creosote or wood smoke. It was better at converting fuel to heat than the previous combustion heating systems in the house, with steady-state combustion efficiency of approximately 75% and longer-term appliance efficiency of 69%. Electric energy required for heating hot water was reduced approximately 27% as a result of a preheating coil located in the chip-fired furnace. The major cause of heat interruptions was jamming of the stoker which occurred on the average of every 18 and a half days. Clearing such jams was simple. The system operated safely throughout the test period.

  2. Superfund Record of Decision (EPA region 4): Coleman Evans Wood Preserving Co. , Jacksonville, Duval County, Florida, September 1986. Final report

    SciTech Connect

    Not Available

    1986-09-25

    The Coleman Evans Wood Preserving Company site is an active 11-acre wood-preserving facility located in the town of Whitehouse, Duval County, Florida. The site consists of two distinct areas: the western portion, which comprises the wood treating facility; and the eastern portion, which consists of a landfill area which has been used for the disposal of wood-chip and other wastes. Coleman Evans has produced wood products impregnated with PCP. Site investigations confirm soil and ground-water contamination, with PCP the primary contaminant of concern.

  3. EA-1861: Draft Environmental Assessment | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Draft Environmental Assessment EA-1861: Draft Environmental Assessment Frito-Lay Biomass Boiler Project, Beloit, Wisconsin The U.S. Department of Energy (DOE) is proposing to authorize the expenditure of Federal grant funding to design, permit, and construct a biomass boiler house at the Frito-Lay North America (Frito-Lay) plant in Beloit, Wisconsin. Frito-Lay would construct and operate a new boilerhouse for a wood chip boiler and purchase wood fuel from regional suppliers (proposed project).

  4. Gasoline from Wood via Integrated Gasification, Synthesis, and Methanol-to-Gasoline Technologies

    SciTech Connect

    Phillips, S. D.; Tarud, J. K.; Biddy, M. J.; Dutta, A.

    2011-01-01

    This report documents the National Renewable Energy Laboratory's (NREL's) assessment of the feasibility of making gasoline via the methanol-to-gasoline route using syngas from a 2,000 dry metric tonne/day (2,205 U.S. ton/day) biomass-fed facility. A new technoeconomic model was developed in Aspen Plus for this study, based on the model developed for NREL's thermochemical ethanol design report (Phillips et al. 2007). The necessary process changes were incorporated into a biomass-to-gasoline model using a methanol synthesis operation followed by conversion, upgrading, and finishing to gasoline. Using a methodology similar to that used in previous NREL design reports and a feedstock cost of $50.70/dry ton ($55.89/dry metric tonne), the estimated plant gate price is $16.60/MMBtu ($15.73/GJ) (U.S. $2007) for gasoline and liquefied petroleum gas (LPG) produced from biomass via gasification of wood, methanol synthesis, and the methanol-to-gasoline process. The corresponding unit prices for gasoline and LPG are $1.95/gallon ($0.52/liter) and $1.53/gallon ($0.40/liter) with yields of 55.1 and 9.3 gallons per U.S. ton of dry biomass (229.9 and 38.8 liters per metric tonne of dry biomass), respectively.

  5. Residential Bulk-Fed Wood-Pellet Central Boilers and Furnace Rebate Program

    Energy.gov [DOE]

    The New Hampshire Public Utilities Commission (PUC) offers rebates of 30% of the installed cost of qualifying new residential bulk-fed, wood-pellet central heating boilers or furnaces. The maximum...

  6. Genomics of wood-degrading fungi Ohm, Robin A.; Riley, Robert...

    Office of Scientific and Technical Information (OSTI)

    Genomics of wood-degrading fungi Ohm, Robin A.; Riley, Robert; Salamov, Asaf; Min, Byoungnam; Choi, In-Geol; Grigoriev, Igor V. Not Available Elsevier None USDOE United States...

  7. "Table A42. Average Prices of Purchased Energy Sources by Census Region,"

    Energy Information Administration (EIA) (indexed site)

    1" " (Estimates in Dollars per Physical Units)" ,,,,,"Noncombustible Energy Sources",,,,,,,,,,,,,,,,,,"Combustible Energy Sources" ,,,,,,,,,,,,,,,"Solids",,,,,,,,,,"Gases",,,,,,,,,"Liquids" " "," ",," "," ",,,,," "," "," "," "," "," "," ",,,"Wood","Wood Residues",,,,,,,,,,,,,,,,,,,," " "

  8. Renewable energy annual 1995

    SciTech Connect

    1995-12-01

    The Renewable Energy Annual 1995 is the first in an expected series of annual reports the Energy Information Administration (EIA) intends to publish to provide a comprehensive assessment of renewable energy. This report presents the following information on the history, status, and prospects of renewable energy data: estimates of renewable resources; characterizations of renewable energy technologies; descriptions of industry infrastructures for individual technologies; evaluations of current market status; and assessments of near-term prospects for market growth. An international section is included, as well as two feature articles that discuss issues of importance for renewable energy as a whole. The report also contains a number of technical appendices and a glossary. The renewable energy sources included are biomass (wood), municipal solid waste, biomass-derived liquid fuels, geothermal, wind, and solar and photovoltaic.

  9. SEP Success Story: How Much Wood Would a North Country School Chip

    Energy.gov [DOE]

    The North Country School has dedicated itself to finding renewable sources of fuel to heat the approximately 85,000 square feet of classroom and office space on campus. After investigating many options, installing a wood chip boiler emerged as the most environmental and economical choice, due in large part to the availability of wood chips that are a by-product of the campus’ forest woodlot. Learn more.

  10. Evolution of novel wood decay mechanisms in Agaricales revealed by the

    Office of Scientific and Technical Information (OSTI)

    genome sequences of Fistulina hepatica and Cylindrobasidium torrendii (Journal Article) | DOE PAGES Publisher's Accepted Manuscript: Evolution of novel wood decay mechanisms in Agaricales revealed by the genome sequences of Fistulina hepatica and Cylindrobasidium torrendii Title: Evolution of novel wood decay mechanisms in Agaricales revealed by the genome sequences of Fistulina hepatica and Cylindrobasidium torrendii Authors: Floudas, Dimitrios ; Held, Benjamin W. ; Riley, Robert ; Nagy,

  11. Genome sequence of a white rot fungus Schizopora paradoxa KUC8140 for wood

    Office of Scientific and Technical Information (OSTI)

    decay and mycoremediation (Journal Article) | DOE PAGES Genome sequence of a white rot fungus Schizopora paradoxa KUC8140 for wood decay and mycoremediation Title: Genome sequence of a white rot fungus Schizopora paradoxa KUC8140 for wood decay and mycoremediation Authors: Min, Byoungnam ; Park, Hongjae ; Jang, Yeongseon ; Kim, Jae-Jin ; Kim, Kyoung Heon ; Pangilinan, Jasmyn ; Lipzen, Anna ; Riley, Robert ; Grigoriev, Igor V. ; Spatafora, Joseph W. ; Choi, In-Geol Publication Date:

  12. Continuous-flow wood chip reactor for biodegradation of 2,4-DCP

    SciTech Connect

    Yum, K.J.; Peirce, J.J.

    1998-02-01

    Chlorinated phenols are by-products of chlorine bleaching in numerous industries including pulp and paper mills and can be emitted from a variety of incineration processes. This research investigates the ability and efficiency of continuous-flow wood chip reactors seeded with a white-rot fungus to degrade 2,4-dichlorophenol (2,4-DCP) using wood chips as a carbon source. When 2,4-DCP was the only substrate (nonglucose treatment conditions), the wood chip reactor system had a high degradation efficiency and operated continuously without excessive fungal biomass buildup on the wood chips. In the presence of added glucose, a clogging problem and an effluent contamination problem of fungal cells are found during the reactor operating period. In addition, 2,4-DCP is degraded effectively both under low-nitrogen as well as high-nitrogen treatment conditions. The 2,4-DCP is degraded to a greater extent with small-size wood chips and hardwood chips as a carbon source. The results of this research demonstrate a potential application of wood chip reactor systems for the treatment of contaminated water while expanding the use of wasted forest products.

  13. Permeability of wood pellets in the presence of fines

    SciTech Connect

    Yazdanpanah, F.; Lau, A.K.; Sokhansanj, Shahabaddine; Lim, C. Jim; Melin, Staffan; Bi, X.T.; Afzal, M

    2010-03-01

    Broken pellets and fines are produced during mechanical handlings of wood pellets. The resistance to air flow was measured for clean pellets and for pellets mixed with 1 to 20% broken pellets (fines). A pellet diameter was 6 mm. The lengths ranged from from 6 to 12 mm. Clean pellets were defined as particles that remained on a 4 mm screen. A typical sieve analysis showed 30% of the mass of particles passed through the 4 mm screen were smaller than 1 mm. The airflow rates used in the experiment ranged from 0.004 to 0.357 ms-1. The corresponding pressure drop ranged from 1.9 Pa m-1 to 271 Pa m-1 for clean pellets and from 4.8 to 1100 Pa m 1 for pellets mixed with 10% fines. The pressure drop increased for pellets mixed with increasing fines content. Coefficients of Hukill and Ives equation were estimated for clean pellets and a multiplier was defined to calculate pressure drop for pellets mixed with fines.

  14. Co-combustion of sludge with coal or wood

    SciTech Connect

    Leckner, B.; Aamand, L.-E.

    2004-07-01

    There are several options for co-combustion of biomass or waste with coal. In all cases the fuel properties are decisive for the success of the arrangement: contents of volatile matter and of potential emission precursors, such as sulphur, nitrogen, chlorine, and heavy metals. The content of alkali in the mineral substance of the fuel is important because of the danger of fouling and corrosion. Research activities at Chalmers University of Technology include several aspects of the related problems areas. An example is given concerning emissions from co-combustion in circulating fluidized beds with coal or wood as base fuels, and with sewage sludge as additional fuel. Two aspects of the properties of sludge are studied: emissions of nitrogen and sulphur oxides as well as of chlorine, because the contents of the precursors to these emissions are high. The possibility of utilizing the phosphorus in sludge as a fertilizer is also discussed. The results show that emissions can be kept below existing emission limits if the fraction of sludge is sufficiently small but the concentration of trace elements in the sludge ash prevents the sludge from being used as a fertilizer. 15 refs., 9 figs., 2 tabs.

  15. Hybrid wood-geothermal power plant, Wendel-Amedee KGRA, Lassen County, California. Identification of environmental issues, second phase

    SciTech Connect

    Not Available

    1981-08-14

    GeoProducts Corporation and the California Department of Water Resources have jointly proposed to develop a 55 MWe power plant in Lassen County, California. The proposed power plant is unique in that it will utilize geothermal heat and wood fuel to generate electrical power, the first attempt to utilize these resources together on a commercial scale. This report identifies requirements for new environmental information that must be generated for permit applications and for preparation of environmental documents required by CEOA and NEPA; presents a schedule for generating new environmental data, for preparing and submitting permit applications, and for obtaining permits; presents a budget for permitting, licensing and environmental assessments as required by applicable laws, regulations and procedures; and investigates the step needed to qualify for a Small Power Plant Exemption by the State Energy Commission.

  16. Tax Credits, Rebates & Savings | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Solar Photovoltaics Qualifying Wood Stove Deduction This incentive allows Arizona taxpayers to deduct the cost of converting an existing wood fireplace to a qualifying wood...

  17. Tax Credits, Rebates & Savings | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Rebates & Savings Qualifying Wood Stove Deduction This incentive allows Arizona taxpayers to deduct the cost of converting an existing wood fireplace to a qualifying wood...

  18. Case studies on developing local industry by using hot spring water and geothermal energy

    SciTech Connect

    Sasaki, Akira; Umetsu, Yoshio; Narita, Eiichi

    1997-12-31

    We have investigated the new ways to develop local industries by using hot spring water, geothermal water and geothermal energy from the Matsukawa Geothermal Power Plant in Iwate Prefecture, which is the first geothermal power plant established in Japan. The new dyeing technique, called {open_quotes}Geothermal Dyeing{close_quotes} was invented in which hydrogen sulfide in the water exhibited decoloration effect. By this technique we succeeded to make beautiful color patterns on fabrics. We also invented the new way to make the light wight wood, called {open_quotes}Geo-thermal Wood{close_quotes} by using hot spring water or geothermal water. Since polysaccharides in the wood material were hydrolyzed and taken out during the treatment in the hot spring water, the wood that became lighter is weight and more porous state. On the bases of these results, we have produced {open_quotes}Wooded Soap{close_quotes} on a commercial scale which is the soap, synthesized in the pore of the treated wood in round slice. {open_quotes}Collapsible Wood Cabin{close_quotes} was also produced for enjoyable outdoor life by using the modified properties of Geothermal Wood.

  19. Buildings Energy Data Book: 1.6 Embodied Energy of Building Assemblies

    Buildings Energy Data Book

    6 Embodied Energy of Commercial Interior Wall Assemblies in the U.S. Embodied Energy CO2 Equivalent Interior Wall Type (2) (MMBtu/SF) (1) Emissions (lbs/SF) 2x4 wood stud (16" OC) + gypsum board (3) 0.03 2.84 2x4 wood stud (24" OC) + gypsum board (3) 0.03 2.78 2x4 wood stud (24" OC) + 2 gypsum boards (4) 0.04 4.45 Steel stud (16" OC) + gypsum board (4) 0.04 3.99 Steel stud (24" OC) + gypsum board (4) 0.04 3.64 Steel stud (24" OC) + 2 gypsum boards 0.05 5.31 6"

  20. Flash methanolysis of wood for the production of fuels and chemicals

    SciTech Connect

    Steinberg, M.; Fallon, P.T.; Sundaram, M.S.

    1983-01-01

    Biomass in the form of less than 1000 micron oven dried fir wood particles was flash pyrolyzed in the presence of methane (methanolysis) in a downflow 1 in. I.D. tubular reactor at pressures of 20 to 200 psi and temperatures between 800/sup 0/ and 1050/sup 0/C. The major products were benzene, toluene and xylene (BTX), a heavy oily liquid (greater than or equal to C/sub 9/), ethylene and carbon monoxide. As much as 12% of the available carbon in the wood was converted to BTX, 21% to ethylene and 48% to carbon monoxide at 50 psi and 1000/sup 0/C. The maximum heavier oil yield of 11% was observed at 50 psi and 800/sup 0/C. Wood particle residence times for all experiments were calculated to be less than 1 second at 20 and 50 psi and up to 2.8 sec at 200 psi. The yelds were found to be greatly influenced by the methane to wood feed ratio. Experiments were conducted to insure the results to be that produced from the wood and methane and not a catalytic effect of the reactor wall of foreign matter. Material balance, including char analyses, indicate approximately 75 to 80% of the available carbon in the feed wood reacted. Methane balances were within the margin of error of the measuring equipment showing that there is no significant net production or consumption of methane. A preliminary economic evaluation of a 2000 ton/day wood processing plant producing ethylene, benzene and methanol showed a reasonably cmpetitive plant investment of $29,000/barrel fuel oil equivalent/day assuming 15% return on investment and present market values for the products.

  1. Quantifying And Predicting Wood Quality Of Loblolly And Slash Pine Under Intensive Forest Management Final Technical Report

    SciTech Connect

    Richard F. Daniels; Alexander Clark III

    2006-05-04

    The forest industry will increasingly rely on fast-growing intensively managed southern pine plantations to furnish wood and fiber. Intensive silvicultural practices, including competition control, stand density control, fertilization, and genetic improvement are yielding tremendous gains in the quantity of wood production from commercial forest land. How these technologies affect wood properties was heretofore unknown, although there is concern about the suitability of fast-grown wood for traditional forest products. A four year study was undertaken to examine the effects of these intensive practices on the properties of loblolly and slash pine wood by applying a common sampling method over 10 existing field experiments. Early weed control gets young pines off to a rapid start, often with dramatically increased growth rates. This response is all in juvenile wood however, which is low in density and strength. Similar results are found with early Nitrogen fertilization at the time of planting. These treatments increase the proportion of juvenile wood in the tree. Later, mid-rotation fertilization with Nitrogen and Phosphorus can have long term (4-8 year) growth gains. Slight reductions in wood density are short-lived (1-2 years) and occur while the tree is producing dense, stiff mature wood. Impacts of mid-rotation fertilization on wood properties for manufacturing are estimated to be minimal. Genetic differences are evident in wood density and other properties. Single family plantings showed somewhat more uniform properties than bulk improved or unimproved seedlots. Selection of genetic sources with optimal wood properties may counter some of the negative impacts of intensive weed control and fertilization. This work will allow forest managers to better predict the effects of their practices on the quality of their final product.

  2. Rich Genomics Resources Facilitate Progress in Understanding Wood Formation

    SciTech Connect

    Tuskan, Gerald

    2014-03-20

    Gerald Tuskan, Oak Ridge National Laboratory, at the 9th Annual Genomics of Energy & Environment Meeting on March 20, 2014 in Walnut Creek, Calif

  3. A novel approach in organic waste utilization through biochar addition in wood/polypropylene composites

    SciTech Connect

    Das, Oisik; Sarmah, Ajit K.; Bhattacharyya, Debes

    2015-04-15

    Highlights: • Biochar made from waste wood was added with wood polypropylene composites. • 24% biochar gave the best mechanical properties. • 6% biochar had no effect on physico-mechanical properties of composites. • Coupling agent remained unreacted in composites having higher amount of biochar. - Abstract: In an attempt to concurrently address the issues related to landfill gas emission and utilization of organic wastes, a relatively novel idea is introduced to develop biocomposites where biochar made from pyrolysis of waste wood (Pinus radiata) is added with the same wood, plastic/polymer (polypropylene) and maleated anhydride polypropylene (MAPP). Experiments were conducted by manufacturing wood and polypropylene composites (WPCs) mixed with 6 wt%, 12 wt%, 18 wt%, 24 wt%, and 30 wt% biochar. Though 6 wt% addition had similar properties to that of the control (composite without biochar), increasing biochar content to 24 wt% improved the composite’s tensile/flexural strengths and moduli. The biochar, having high surface area due to fine particles and being highly carbonised, acted as reinforcing filler in the biocomposite. Composites having 12 wt% and 18 wt% of biochar were found to be the most ductile and thermally stable, respectively. This study demonstrates that, WPCs added with biochar has good potential to mitigate wastes while simultaneously producing biocomposites having properties that might be suited for various end applications.

  4. Mass transport parameters of aspen wood chip beds via stimulus-response tracer techniques

    SciTech Connect

    Hradil, G.; Calo, J.M.; Wunderlich, T.K. Jr. )

    1993-02-05

    A stimulus-response tracer technique has been used to characterize packed beds of untreated, as well as acid prehydrolyzed, and enzymatically hydrolyzed aspen wood chips. Glucose was used as the trace. Bulk liquid phase dispersion, interphase mass transfer, and intraparticle diffusion coefficients were determined for these materials as well as effective porosities and tortuosities. The untreated and prehydrolyzed aspen wood chips were found to have effective void fractions of ca. 0.8, while the enzymatically hydrolyzed wood chips exhibited a void fraction of 0.37. Intraparticle diffusion was approximately twice as rapid in the prehydrolyzed and enzymatically hydrolyzed wood chips as in the untreated wood chips. Also, under the current experimental conditions, intraparticle diffusional transport resistance accounted for roughly half of the total tracer pulse dispersion. It is demonstrated that stimulus-response tracer techniques can be useful and convenient probes for beds of lignocellulosic, or other porous materials, which vary in character with extent of conversion and/or treatment.

  5. Simple and Inexpensive Method of Wood Pellets Macro-porosity Measurement

    SciTech Connect

    C. Igathinathane; Jaya Shankar Tumuluru; S. Sokhansanj; X. Bi; C. J. Lim; S. Melin; E. Mohammad

    2010-08-01

    A novel simplified stereometric measurement method for determining the macro-porosity of wood pellets through geometrical approach was successfully developed and tested. The irregular ends of pellets of circular cross-section were sanded flat so that their geometry becomes cylinder and their volumes evaluated using mensuration formula. Such formed cylindrical pellets were loose or tap filled to selected volumes to evaluate the macro-porosity and the constant specific weight. The method was extended to evaluate actual wood pellets properties. Overall macro-porosity of actual wood pellets was determined as 41.0±2.5% and 35.5±2.7%, mean bulk density as and , and classified as “Class-3:Medium” and “Class-3&4:Medium to Low” for loose and tapped fills, respectively. Hausner ratio and Carr’s compressibility index classify wood pellets as “freely flowing.” The developed stereometric method can be used as a handy inexpensive laboratory procedure to estimate the macro-porosity of different types and makes of wood pellets and other similar packaged materials.

  6. Simple and inexpensive method of wood pellets macro-porosity measurement

    SciTech Connect

    Igathinathane, C.; Tumuluru, J.S.; Sokhansanj, Shahabaddine; Bi, X.T.; Lim, C. Jim; Melin, Staffan; Mohammad, E.

    2010-01-01

    A novel simplified stereometric measurement method for determining the macro-porosity of wood pellets through geometrical approach was successfully developed and tested. The irregular ends of pellets of circular cross-section were sanded flat so that their geometry becomes cylinder and their volumes evaluated using mensuration formula. Such formed cylindrical pellets were loose or tap filled to selected volumes to evaluate the macro-porosity and the constant specific weight. The method was extended to evaluate actual wood pellets properties. Overall macro-porosity of actual wood pellets was determined as 41.0 2.5% and 35.5 2.7%, mean bulk density as and, and classified as Class-3:Medium and Class-3&4:Medium to Low for loose and tapped fills, respectively. Hausner ratio and Carr s compressibility index classify wood pellets as freely flowing. The developed stereometric method can be used as a handy inexpensive laboratory procedure to estimate the macro-porosity of different types and makes of wood pellets and other similar packaged materials.

  7. Energy 101: Geothermal Energy | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Geothermal Energy Energy 101: Geothermal Energy

  8. Renewable energy annual 1997. Volume 1

    SciTech Connect

    1998-02-01

    This report presents information on renewable energy consumption, capacity, and electricity generation data, as well as data on US solar thermal and photovoltaic collector manufacturing activities. The renewable energy resources included in the report are: biomass (wood, ethanol, and biodiesel); municipal solid waste; geothermal; wind; and solar (solar thermal and photovoltaic). The first chapter of the report provides an overview of renewable energy use and capability from 1992 through 1996. It contains renewable energy consumption, capacity, and electricity generation data, as well as descriptive text. Chapter 2 presents current (through 1996) information on the US solar energy industry. A glossary of renewable energy terms is also included. 15 figs., 42 tabs.

  9. Precision wood particle feedstocks with retained moisture contents of greater than 30% dry basis

    DOEpatents

    Dooley, James H; Lanning, David N

    2014-10-28

    Wood particles having fibers aligned in a grain, wherein: the wood particles are characterized by a length dimension (L) aligned substantially parallel to the grain, a width dimension (W) normal to L and aligned cross grain, and a height dimension (H) normal to W and L; the L.times.H dimensions define two side surfaces characterized by substantially intact longitudinally arrayed fibers; the W.times.H dimensions define two cross-grain end surfaces characterized individually as aligned either normal to the grain or oblique to the grain; the L.times.W dimensions define two substantially parallel top and bottom surfaces; and, a majority of the W.times.H surfaces in the mixture of wood particles have end checking.

  10. Renewable wood fuel: Fuel feed system for a pulverized coal boiler. Final report

    SciTech Connect

    1996-01-01

    This report evaluates a pilot test program conducted by New York State Gas & Electric Corporation to evaluate the feasibility of co-firing a pulverized coal plant with renewable wood fuels. The goal was to establish that such a co-firing system can reduce air emissions while maintaining good operational procedures and cost controls. The test fuel feed system employed at Greenidge Station`s Boiler 6 was shown to be effective in feeding wood products. Emission results were promising and an economic analysis indicates that it will be beneficial to pursue further refinements to the equipment and systems. The report recommends further evaluation of the generation and emission impacts using woods of varied moisture contents and at varied Btu input rates to determine if a drying system would be a cost-effective option.

  11. The flash pyrolysis and methanolysis of biomass (wood) for production of ethylene, benzene and methanol

    SciTech Connect

    Steinberg, M.; Fallon, P.T.; Sundaram, M.S.

    1990-02-01

    The process chemistry of the flash pyrolysis of biomass (wood) with the reactive gases, H{sub 2} and CH{sub 4} and with the non-reactive gases He and N{sub 2} is being determined in a 1 in. downflow tubular reactor at pressures from 20 to 1000 psi and temperatures from 600 to 1000{degrees}C. With hydrogen, flash hydropyrolysis leads to high yields of methane and CO which can be used for SNG and methanol fuel production. With methane, flash methanolysis leads to high yields of ethylene, benzene and CO which can be used for the production of valuable chemical feedstocks and methanol transportation fuel. At reactor conditions of 50 psi and 1000{degrees}C and approximately 1 sec residence time, the yields based on pine wood carbon conversion are up to 25% for ethylene, 25% for benzene, and 45% for CO, indicating that over 90% of the carbon in pine is converted to valuable products. Pine wood produces higher yields of hydrocarbon products than Douglas fir wood; the yield of ethylene is 2.3 times higher with methane than with helium or nitrogen, and for pine, the ratio is 7.5 times higher. The mechanism appears to be a free radical reaction between CH{sub 4} and the pyrolyzed wood. There appears to be no net production or consumption of methane. A preliminary process design and analysis indicates a potentially economical competitive system for the production of ethylene, benzene and methanol based on the methanolysis of wood. 10 refs., 18 figs., 1 tab.

  12. Investigation of possible health effects of community exposure to fermenting wood chips

    SciTech Connect

    Birkhead, G.; Vogt, R.L.; Hudson, P.J.

    1988-03-01

    We conducted a case-control study of emergency room (ER) patients to evaluate whether asthma is caused by living near a wood-chip fueled power plant that released wood-chip fermentation products. Only eight (29 per cent) of 28 asthma patients seen in the ER during an 11-week period lived within 1.5 miles of the plant compared with 18 (34 per cent) of 54 control patients matched for severity of diagnosis and seen during the same period (Mantel-Haenszel odds ratio controlling for age = 0.96).

  13. Forest Products Sector (NAICS 321 and 322) Energy and GHG Combustion Emissions Profile, November 2012

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    U.S. Manufacturing Energy Use and Greenhouse Gas Emissions Analysis 2.3 FOREST PRODUCTS SECTOR (NAICS 321 AND 322) 2.3.1. Overview of the Forest Products Manufacturing Sector The forest products sector produces thousands of products from renewable raw materials (wood) that are essential for communication, packaging, consumer goods, and construction. The sector is divided into two major categories: Wood Product Manufacturing (NAICS 321) and Paper Manufacturing (NAICS 322). These industries are

  14. Municipal solid waste energy conversion study on Guam and American Samoa

    SciTech Connect

    Not Available

    1984-03-31

    In the Pacific Islands of Guam and Tutuila in American Samoa, conversion of municipal solid waste to useable energy forms - principally electricity but possibly steam - may hold promise for reducing economic dependence on imported petroleum. A secondary benefit may be derived from reduction of solid waste landfill requirements. At the preliminary planning stage, waste-to-energy facilities producing electricity appear technically and environmentally feasible. Economically, the projects appear marginal but could be viable under specific conditions related to capital costs, revenue from garbage collection and revenue from the sale of the energy generated. Grant funding for the projects would considerably enhance the economic viability of the proposed facilities. The projects appear sufficiently viable to proceed to the detailed planning stage. Such projects are not viable for the islands now emerging from the US Trust Territory of the Pacific Islands.

  15. A simulator designated to the help sizing of waste incineration plant with energy valorization

    SciTech Connect

    Lemoult, B.

    1998-07-01

    The integrated waste treatment (sorting, recycling, composting, incineration, tip) concept is increasing. In this concept, incineration remains the last way of destruction before tipping of refuse. With the aim to improve thermal and economic efficiencies of this kind of treatment, thermal and/or electrical energy are produced in incineration plants. If environmental rules lead to a steady increase of such plants, a lot of data have to be evaluated to find the best size, especially under economic aspects, for a given project. The author presents the specification of the software ARTEMIS, which helps a project manager to find the optimal size of a plant, to quantify the effect of various technical options, and to compare some operating management. Garbage deposit (quantity and quality), energy valorization (electricity price, thermal needs), machines (furnace, high and low pressure turbines, heat exchanger, auxiliary boiler) are taken into account. Energy and economic annual balance are also calculated with a hourly simulation step.

  16. Using EMI for Electrical Energy Disaggregation in the Home

    Gasoline and Diesel Fuel Update

    United States Primary Renewable Energy Capacity Source Hydro Conventional Primary Renewable Energy Generation Source Hydro Conventional Capacity (megawatts) Value Percent of U.S. Total Total Net Summer Electricity Capacity 1,039,137 100.0 Total Net Summer Renewable Capacity 132,711 12.8 Geothermal 2,405 0.2 Hydro Conventional 78,825 7.6 Solar 941 0.1 Wind 39,135 3.8 Wood/Wood Waste 7,037 0.7 MSW/Landfill Gas 3,690 0.4 Other Biomass 678 0.1 Generation (thousand megawatthours) Total Electricity

  17. Demonstration Results From Greenhouse Heating with Liquified Wood

    SciTech Connect

    Steele, Philip; Parish, Don; Cooper, Jerome

    2011-07-01

    A boiler fuel known as Lignocellulosic Boiler Fuel (LBF) was developed at the Department of Forest Products, Mississippi State University for potential application for heating agricultural buildings. LBF was field tested to heat green houses in cooperation with Natchez Trace Greenhouses (NTG) located in Kosciusko, Mississippi. MSU modified an idled natural gas boiler located at NTG to combust the LBF. Thirty gallons of bio-oil were produced at the MSU Bio-oil Research Laboratory. The bio-oil was produced from the fast-pyrolysis of southern pine (15 gal) and white oak (15 gal) feedstocks and subsequently upgraded by a proprietary process. Preliminary field testing was conducted at (NTG). The LBF was produced from each wood species was tested separately and co-fed with diesel fuel to yield three fuel formulations: (1) 100% diesel; (2) 87.5% LBF from southern pine bio-oil co-fed with 12.5% diesel and (3) 87.5% LBF from white oak co-fed with 12.5% diesel fuel formulations. Each fuel formulation was combusted in a retrofit NTG boiler. Fuel consumption and water temperature were measured periodically. Flue gas from the boiler was analyzed by gas chromatograph. The 100% diesel fuel increased water temperature at a rate of 4 °F per min. for 35 min. to achieve the target 140 °F water temperature increase. The 87.5% pine LBF fuel cofed with 12.5%) diesel attained the 140 °F water temperature increase in 62 min. at a rate of 2.3 °F per min. The 87.5% white oak LBF fuel co-fed with 12.5% diesel reached the 140 °F water temperature increase in 85 min. at a rate of 1.6 °F per min. Fuel that contained 87.5% pine LBF co-fed with 12.5% diesel yielded nitrogen and oxygen at a ratio of 5.3 and carbon dioxide and carbon monoxide at a ratio of 22.2. Fuel formulations that contained 87.5% white oak LBF co-fed with 12.5% diesel yielded nitrogen and oxygen at a ratio of 4.9 and carbon dioxide and

  18. Assessing the Energy Impact of Connected and Automated Vehicle (CAV) Technologies (Presentation), NREL (National Renewable Energy Laboratory)

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Assessing the Energy Impact of Connected and Automated Vehicle (CAV) Technologies SAE 2016 Government/Industry Meeting January 21, 2016 Jeff Gonder, Yuche Chen, Mike Lammert, Eric Wood Transportation and Hydrogen Systems Center (THSC) National Renewable Energy Laboratory (NREL) NREL/PR-5400-65743 2 Outline * Overall energy impact assessment * Example feature-level impacts * Real-world/off-cycle benefit calculation * On-going work by DOE and its national labs 3 "Bookending" CAV Energy

  19. Thurston Energy Outreach Center

    SciTech Connect

    Pierce, P.; Young, M.

    1984-09-01

    In Olympia, the Washington Energy Extension Service program is provided by the Olympic Renewable Resources Association's Energy Outreach Center. The Center has provided Thurston County residents with consistent and reliable information on energy conservation and renewable resources since 1980. During those four years, a seasonal pattern of activities has developed which reflects strong shifts in class attendance and inquiries by EOC users over the course of the year. Classes include: design of superinsulated passive solar and earth sheltered homes; sunspace design, coldframe construction and tax credits for solar energy systems; caulking, weatherstripping, storm windows and chimney cleaning; and solar and wood hot water systems. All are scheduled according to dictates of seasonal needs and interests.

  20. Agenda 2020: A Technology Vision and Research Agenda for America's Forest, Wood and Paper Industry

    SciTech Connect

    none,

    1994-11-01

    In November 1994, the forest products industry published Agenda 2020: A Technology Vision and Research Agenda for America's Forest, Wood and Paper Industry, which articulated the industry's vision. This document set the foundation for collaborative efforts between the industry and the federal government.

  1. X-ray computed tomography of wood-adhesive bondlines: Attenuation and phase-contrast effects

    DOE PAGES [OSTI]

    Paris, Jesse L.; Kamke, Frederick A.; Xiao, Xianghui

    2015-07-29

    Microscale X-ray computed tomography (XCT) is discussed as a technique for identifying 3D adhesive distribution in wood-adhesive bondlines. Visualization and material segmentation of the adhesives from the surrounding cellular structures require sufficient gray-scale contrast in the reconstructed XCT data. Commercial wood-adhesive polymers have similar chemical characteristics and density to wood cell wall polymers and therefore do not provide good XCT attenuation contrast in their native form. Here, three different adhesive types, namely phenol formaldehyde, polymeric diphenylmethane diisocyanate, and a hybrid polyvinyl acetate, are tagged with iodine such that they yield sufficient X-ray attenuation contrast. However, phase-contrast effects at material edgesmore » complicate image quality and segmentation in XCT data reconstructed with conventional filtered backprojection absorption contrast algorithms. A quantitative phase retrieval algorithm, which isolates and removes the phase-contrast effect, was demonstrated. The paper discusses and illustrates the balance between material X-ray attenuation and phase-contrast effects in all quantitative XCT analyses of wood-adhesive bondlines.« less

  2. X-ray computed tomography of wood-adhesive bondlines: Attenuation and phase-contrast effects

    SciTech Connect

    Paris, Jesse L.; Kamke, Frederick A.; Xiao, Xianghui

    2015-07-29

    Microscale X-ray computed tomography (XCT) is discussed as a technique for identifying 3D adhesive distribution in wood-adhesive bondlines. Visualization and material segmentation of the adhesives from the surrounding cellular structures require sufficient gray-scale contrast in the reconstructed XCT data. Commercial wood-adhesive polymers have similar chemical characteristics and density to wood cell wall polymers and therefore do not provide good XCT attenuation contrast in their native form. Here, three different adhesive types, namely phenol formaldehyde, polymeric diphenylmethane diisocyanate, and a hybrid polyvinyl acetate, are tagged with iodine such that they yield sufficient X-ray attenuation contrast. However, phase-contrast effects at material edges complicate image quality and segmentation in XCT data reconstructed with conventional filtered backprojection absorption contrast algorithms. A quantitative phase retrieval algorithm, which isolates and removes the phase-contrast effect, was demonstrated. The paper discusses and illustrates the balance between material X-ray attenuation and phase-contrast effects in all quantitative XCT analyses of wood-adhesive bondlines.

  3. Review and analysis of emissions data for residential wood-fired central furnaces

    SciTech Connect

    McCrillis, R.C.

    1998-12-31

    The paper reviews data published over the past 10--15 years on domestic wood-fired central heaters. Emphasis is on stick-fired units, the most common type used in the US, but also presented are data on chip- and pellet-fired units, showing that they are capable of achieving lower emissions.

  4. Renewed interest in prop supports as a replacement for wood cribs

    SciTech Connect

    Barczak, T.M.; Gearhart, D.F.

    1995-11-01

    Wood cribs have been the dominant form of supplemental support in coal mining for many years. Recently, there has been a renewed interest in prop supports as a replacement for wood cribbing due to the increasing cost of mine timber and engineering advancements in prop design to improve their stability and yield capability. Prop supports generally consume less material, can be installed in less time with less labor, and provide less restriction to mine ventilation than wood crib supports. Several prop supports are now available or under development. These include: (1) Strata Products Propsetter{trademark} Support System, (2) Heintzmann ACS and Super Prop; (3) MBK-Hydraulik MEGA prop; (4) Advanced Mining Technology Inc. (AMTI) BTS Mortar prop; (5) Dywidag Coal Post; (6) Western Support Systems YIPPI support; and (7) ``The Can`` support by Burrell Mining Products. A comparison of the performance and cost of these support systems to wood cribs is made to provide mine operators with information needed to underground installations are discussed. Included in this assessment are full scale tests of these supports conducted in the US Bureau of Mines` Mine Roof Stimulator.

  5. Property:Building/SPPurchasedEngyPerAreaKwhM2WoodChips | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    PerAreaKwhM2WoodChips" Showing 25 pages using this property. (previous 25) (next 25) S Sweden Building 05K0001 + 0.0 + Sweden Building 05K0002 + 0.0 + Sweden Building 05K0003 + 0.0...

  6. Property:Building/SPPurchasedEngyNrmlYrMwhYrWoodChips | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    yNrmlYrMwhYrWoodChips" Showing 25 pages using this property. (previous 25) (next 25) S Sweden Building 05K0001 + 0.0 + Sweden Building 05K0002 + 0.0 + Sweden Building 05K0003 + 0.0...

  7. Property:Building/SPPurchasedEngyForPeriodMwhYrWoodChips | Open...

    OpenEI (Open Energy Information) [EERE & EIA]

    rPeriodMwhYrWoodChips" Showing 25 pages using this property. (previous 25) (next 25) S Sweden Building 05K0001 + 0.0 + Sweden Building 05K0002 + 0.0 + Sweden Building 05K0003 + 0.0...

  8. Isolation of levoglucosan from lignocellulosic pyrolysis oil derived from wood or waste newsprint

    DOEpatents

    Moens, L.

    1995-07-11

    A method is provided for preparing high purity levoglucosan from lignocellulosic pyrolysis oils derived from wood or waste newsprint. The method includes reducing wood or newsprint to fine particle sizes, treating the particles with a hot mineral acid for a predetermined period of time, and filtering off and drying resulting solid wood or newsprint material; pyrolyzing the dried solid wood or newsprint material at temperatures between about 350 and 375 C to produce pyrolysis oils; treating the oils to liquid-liquid extraction with methyl isobutyl ketone to remove heavy tar materials from the oils, and to provide an aqueous fraction mixture of the oils containing primarily levoglucosan; treating the aqueous fraction mixtures with a basic metal salt in an amount sufficient to elevate pH values to a range of about 12 to about 12.5 and adding an amount of the salt in excess of the amount needed to obtain the pH range to remove colored materials of impurities from the oil and form a slurry, and freeze-drying the resulting slurry to produce a dry solid residue; and extracting the levoglucosan from the residue using ethyl acetate solvent to produce a purified crystalline levoglucosan. 2 figs.

  9. Isolation of levoglucosan from lignocellulosic pyrolysis oil derived from wood or waste newsprint

    DOEpatents

    Moens, Luc

    1995-01-01

    A method is provided for preparing high purity levoglucosan from lignocellulosic pyrolysis oils derived from wood or waste newsprint. The method includes reducing wood or newsprint to fine particle sizes, treating the particles with a hot mineral acid for a predetermined period of time, and filtering off and drying resulting solid wood or newsprint material; pyrolyzing the dried solid wood or newsprint material at temperatures between about 350.degree. and 375.degree. C. to produce pyrolysis oils; treating the oils to liquid-liquid extraction with methyl isobutyl ketone to remove heavy tar materials from the oils, and to provide an aqueous fraction mixture of the oils containing primarily levoglucosan; treating the aqueous fraction mixtures with a basic metal salt in an amount sufficient to elevate pH values to a range of about 12 to about 12.5 and adding an amount of the salt in excess of the amount needed to obtain the pH range to remove colored materials of impurities from the oil and form a slurry, and freeze-drying the resulting slurry to produce a dry solid residue; and extracting the levoglucosan from the residue using ethyl acetate solvent to produce a purified crystalline levoglucosan.

  10. Pennsylvanian and Permian paleogeography of south-central Idaho: The Wood River basin

    SciTech Connect

    Mahoney, J.B. ); Burton, B.R. ); O'Brien, J.P.; Link, P.K. )

    1991-02-01

    The Sun Valley Assemblage (Wood River, Dollarhide, and Grand Prize formations) was deposited in the Wood Rover basin in what is now south-central Idaho, north of the Snake River Plain, from the Atokan to Wolfcampian and Leonardian( ). Atokan and Des Moinesian deposition occurred in braided deltas and overlying clear water carbonate shoals. The rocks of this depositional system vary in thickness from tens to several hundreds of meters reflecting irregularities in the erosional surface on the underlying foundered Antler highland. This basal unconformity has been sheared during Mesozoic and Paleogene deformation. Significant regional subsidence of the Wood River basin began in the Des Moinesian, was most rapid in the Virgilian, and slowed in the Wolfcampian, resulting in total thickness of over 2,000 m for each of the three formations. In the central part of the basin (Wood River Formation) a sub-wave-base ramp system with southeastern paleoslope was fed by turbidite flows of mixed carbonate-siliciclastic fine-grained sediment that had been thoroughly mixed on a shelf area to the north and east. The carbonate fraction may have been derived from the Snaky Canyon Formation carbonate platform to the east. To the north, a siliciclastic fan or ramp system (Grand Prize Formation) was present. Virgilian and Wolfcampian strata represent highstand systems tracts and a lowstand tract is present in strata deposited near the Virgilian-Wolfcampian boundary.

  11. U.S. Energy Information Administration | Renewable Energy...

    Annual Energy Outlook

    Solar Therm al PV Wind Total Waste Wood and Derived Fuels 3 State Hydroelectric ... Wood and Derived Fuels 3 State Hydroelectric Conventional NonHydroelectric Total Biom ass ...

  12. GEE Energy GmbH Co KG | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Place: Hamburg, Germany Zip: 20459 Sector: Biomass Product: Biomass trader delivering wood pellets, wood and bark briquettes to Germany, Scandinavia, Austria, Italy and...

  13. Evaluation of Gas, Oil and Wood Pellet Fueled Residential Heating System Emissions Characteristics

    SciTech Connect

    McDonald, R.

    2009-12-01

    particulate per unit of energy, expressed as milligrams per Mega-Joule (mg/MJ) versus the different sulfur contents of four different heating fuels. These were tested in a conventional cast iron boiler equipped with a flame retention head burner. The fuels included a typical ASTM No. 2 fuel oil with sulfur below 0.5 percent (1520 average ppm S), an ASTM No. 2 fuel oil with very high sulfur content (5780 ppm S), low sulfur heating oil (322 ppm S) and an ultra low sulfur diesel fuel (11 ppm S). Three additional oil-fired heating system types were also tested with normal heating fuel, low sulfur and ultralow sulfur fuel. They included an oil-fired warm air furnace of conventional design, a high efficiency condensing warm air furnace, a condensing hydronic boiler and the conventional hydronic boiler as discussed above. The linearity in the results was observed with all of the different oil-fired equipment types (as shown in the second figure on the next page). A linear regression of the data resulted in an Rsquared value of 0.99 indicating that a very good linear relationship exits. This means that as sulfur decreases the PM 2.5 emissions are reduced in a linear manner within the sulfur content range tested. At the ultra low sulfur level (15 ppm S) the amount of PM 2.5 had been reduced dramatically to an average of 0.043 mg/MJ. Three different gas-fired heating systems were tested. These included a conventional in-shot induced draft warm air furnace, an atmospheric fired hydronic boiler and a high efficiency hydronic boiler. The particulate (PM 2.5) measured ranged from 0.011 to 0.036 mg/MJ. depending on the raw material source used in their manufacture. All three stoves tested were fueled with premium (low ash) wood pellets obtained in a single batch to provide for uniformity in the test fuel. Unlike the oil and gas fired systems, the wood pellet stoves had measurable amounts of particulates sized above the 2.5-micron size that defines fine particulates (less than 2.5 microns

  14. Effects of Headspace and Oxygen Level on Off-gas Emissions from Wood Pellets in Storage

    SciTech Connect

    Sokhansanj, Shahabaddine; Kuang, Xingya; Shankar, T.S.; Lim, C. Jim; Bi, X.T.; Melin, Staffan

    2009-10-01

    Few papers have been published in the open literature on the emissions from biomass fuels, including wood pellets, during the storage and transportation and their potential health impacts. The purpose of this study is to provide data on the concentrations, emission factors, and emission rate factors of CO2, CO, and CH4 from wood pellets stored with different headspace to container volume ratios with different initial oxygen levels, in order to develop methods to reduce the toxic off-gas emissions and accumulation in storage spaces. Metal containers (45 l, 305 mm diameter by 610 mm long) were used to study the effect of headspace and oxygen levels on the off-gas emissions from wood pellets. Concentrations of CO2, CO, and CH4 in the headspace were measured using a gas chromatograph as a function of storage time. The results showed that the ratio of the headspace ratios and initial oxygen levels in the storage space significantly affected the off-gas emissions from wood pellets stored in a sealed container. Higher peak emission factors and higher emission rates are associated with higher headspace ratios. Lower emissions of CO2 and CO were generated at room temperature under lower oxygen levels, whereas CH4 emission is insensitive to the oxygen level. Replacing oxygen with inert gases in the storage space is thus a potentially effective method to reduce the biomass degradation and toxic off-gas emissions. The proper ventilation of the storage space can also be used to maintain a high oxygen level and low concentrations of toxic off-gassing compounds in the storage space, which is especially useful during the loading and unloading operations to control the hazards associated with the storage and transportation of wood pellets.

  15. Sustainable biofuel contributions to carbon mitigation and energy independence

    DOE PAGES [OSTI]

    Lippke, Bruce; Gustafson, Richard; Venditti, Richard; Volk, Timothy; Oneil, Elaine; Johnson, Leonard; Puettmann, Maureen; Steele, Phillip

    2011-10-19

    The growing interest in US biofuels has been motivated by two primary national policy goals, (1) to reduce carbon emissions and (2) to achieve energy independence. However, the current low cost of fossil fuels is a key barrier to investments in woody biofuel production capacity. The effectiveness of wood derived biofuels must consider not only the feedstock competition with low cost fossil fuels but also the wide range of wood products uses that displace different fossil intensive products. Alternative uses of wood result in substantially different unit processes and carbon impacts over product life cycles. We developed life cycle datamore » for new bioprocessing and feedstock collection models in order to make life cycle comparisons of effectiveness when biofuels displace gasoline and wood products displace fossil intensive building materials. Wood products and biofuels can be joint products from the same forestland. Furthermore, substantial differences in effectiveness measures are revealed as well as difficulties in valuing tradeoffs between carbon mitigation and energy independence.« less

  16. Ferns and fires: Experimental charring of ferns compared to wood and implications for paleobiology, paleoecology, coal petrology, and isotope geochemistry

    SciTech Connect

    McParland, L.C.; Collinson, M.E.; Scott, A.C.; Steart, D.C.; Grassineau, N.V.; Gibbons, S.J.

    2007-09-15

    We report the effects of charring on the ferns Osmunda, Pteridium, and Matteucia with coniferous wood (Sequoia) for comparison. Like charred wood, charred ferns shrink, become black and brittle with a silky sheen, and retain three-dimensional cellular structure. Ferns yield recognizable charcoal (up to 800{sup o}C) that could potentially survive in the fossil record enabling reconstruction of ancient fire-prone vegetation containing ferns. Charred fossils of herbaceous ferns would indicate surface fires. Like charred wood, cell-wall layers of charred ferns homogenize, and their reflectance values increase with rising temperature. Charcoalified fragments of thick-walled cells from conifer wood or fern tissues are indistinguishable and so cannot be used to infer the nature of source vegetation. Charred conifer wood and charred fern tissues show a relationship between mean random reflectance and temperature of formation and can be used to determine minimum ancient fire temperatures. Charred fern tissues consistently have significantly more depleted {delta}{sup 13}C values ({le} 4 parts per thousand) than charred wood. Therefore, if an analysis of {delta} {sup 13}C through time included fern charcoal among a succession of wood charcoals, any related shifts in {delta} {sup 13}C could be misinterpreted as atmospheric changes or misused as isotope stratigraphic markers. Thus, charcoals of comparable botanical origin and temperatures of formation should be used in order to avoid misinterpretations of shifts in {delta}{sup 13}C values.

  17. Wood Storks of the Birdsville Colony and swamps of the Savannah River Site: General overview of research findings, 1983--1990

    SciTech Connect

    Coulter, M.C.

    1993-02-01

    The population of Wood Storks (Mycteria americana) that breeds in the United States has decreased from an estimated 20,000 breeding pairs in 1930 to just under 5,000 pairs in 1980. Since 1980, the number has remained relatively stable, fluctuating between 3,500 and 5,500 breeding pairs. The decline prompted the US Fish and Wildlife Service (USFWS) to list the United States population of Wood Storks as endangered in 1984. When the US Department of Energy (USDOE) decided to restart L-Reactor on the Savannah River Site (SRS), there was concern that when the reactor was restarted, cooling water flowing into the Steel Creek Delta would raise the water level and the area would become too deep for foraging storks. The potential loss of this area to storks was important because storks had been observed foraging in the Steel Creek Delta. The USDOE began consultation with the USFWS in April, 1984, and the USDOE subsequently agreed to develop and maintain alternative foraging habitat to replace the potential loss. In order to design and manage the alternate foraging ponds as effectively as possible, it was necessary to understand aspects of the biology of the storks, the characteristics of their foraging sites and the patterns of their use of the SRSS. Results are described.

  18. Development of METHANE de-NOX Reburn Process for Wood Waste and Biomass Fired Stoker Boilers - Final Report - METHANE de-NOX Reburn Technology Manual

    SciTech Connect

    J. Rabovitser; B. Bryan; S. Wohadlo; S. Nester; J. Vaught; M. Tartan L. Szymanski; R. Glickert

    2007-12-31

    The overall objective of this project was to demonstrate the effectiveness of the METHANE de-NOX® (MdN) Reburn process in the Forest Products Industry (FPI) to provide more efficient use of wood and sludge waste (biosolids) combustion for both energy generation and emissions reduction (specifically from nitrogen oxides (NOx)) and to promote the transfer of the technology to the wide range of wood waste-fired stoker boilers populating the FPI. This document, MdN Reburn Commercial Technology Manual, was prepared to be a resource to promote technology transfer and commercialization activities of MdN in the industry and to assist potential users understand its application and installation requirements. The Manual includes a compilation of MdN commercial design data from four different stoker boiler designs that were baseline tested as part of the development effort. Design information in the Manual include boiler CFD model studies, process design protocols, engineering data sheets and commercial installation drawings. Each design package is unique and implemented in a manner to meet specific mill requirements.

  19. Methanol production from Eucalyptus wood chips. Final report

    SciTech Connect

    Fishkind, H.H.

    1982-06-01

    This feasibility study includes all phases of methanol production from seedling to delivery of finished methanol. The study examines: production of 55 million, high quality, Eucalyptus seedlings through tissue culture; establishment of a Eucalyptus energy plantation on approximately 70,000 acres; engineering for a 100 million gallon-per-day methanol production facility; potential environmental impacts of the whole project; safety and health aspects of producing and using methanol; and development of site specific cost estimates.

  20. DOI-BLM-OR-V040-2011-0008-EA | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    The facilities would be maintained by a local contractor. Solid wastes (paper trash and garbage) generated by the operations would be transported offsite to an...

  1. DOI-BLM-NV-C010-2010-0008-EA | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Affected, Present, Potentially Affected, Not Indicated) for this property. proposed Trash and other waste products would be properly managed and Magma would control garbage...

  2. DOI-BLM-ID-220-2009-EA-3709 | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Affected, Not Indicated) for this property. imposed All solid wastes (paper trash and garbage) must be contained in a trash cage and hauled away to an approved disposal...

  3. DOI-BLM-NV-C010-2012-0029-EA | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    testing, and construction. These facilities would be maintained by a local contractor; Trash and other waste products would be properly managed, and Ormat would control garbage...

  4. DOI-BLM-NV-W010-2011-0001-EA | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Not Affected, Present, Potentially Affected, Not Indicated) for this property. proposed Trash and other waste products would be properly managed and Ormat would control garbage...

  5. LLNV-WO1000-2009-0002-EA | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    These facilities would be maintained by a local contractor. * Solid wastes (paper trash and garbage) generated by the operations would be transported offsite to an...

  6. DOI-BLM-NV-C010-2011-0516-EA | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    Not Affected, Present, Potentially Affected, Not Indicated) for this property. proposed Trash and other waste products would be properly managed, and Ormat would control garbage...

  7. DOI-BLM-NV-B010-2011-0015-EA | Open Energy Information

    OpenEI (Open Energy Information) [EERE & EIA]

    matter including, but not limited to: human waste, trash, garbage, vegetation, refuse, oil drums, petroleum products, ashes, and equipment. 9. The Holder shall comply with all...

  8. Use of a region of the visible and near infrared spectrum to predict mechanical properties of wet wood and standing trees

    DOEpatents

    Meglen, Robert R.; Kelley, Stephen S.

    2003-01-01

    In a method for determining the dry mechanical strength for a green wood, the improvement comprising: (a) illuminating a surface of the wood to be determined with a reduced range of wavelengths in the VIS-NIR spectra 400 to 1150 nm, said wood having a green moisture content; (b) analyzing the surface of the wood using a spectrometric method, the method generating a first spectral data of a reduced range of wavelengths in VIS-NIR spectra; and (c) using a multivariate analysis technique to predict the mechanical strength of green wood when dry by comparing the first spectral data with a calibration model, the calibration model comprising a second spectrometric method of spectral data of a reduced range of wavelengths in VIS-NIR spectra obtained from a reference wood having a green moisture content, the second spectral being correlated with a known mechanical strength analytical result obtained from the reference wood when dried and a having a dry moisture content.

  9. Energy consumption in thermomechanical pulping

    SciTech Connect

    Marton, R.; Tsujimoto, N.; Eskelinen, E.

    1981-08-01

    Various components of refining energy were determined experimentally and compared with those calculated on the basis of the dimensions of morphological elements of wood. The experimentally determined fiberization energy of spruce was 6 to 60 times larger than the calculated value and that of birch 3 to 15 times larger. The energy consumed in reducing the Canadian standard freeness of isolated fibers from 500 to 150 ml was found to be approximately 1/3 of the total fiber development energy for both spruce and birch TMP. Chip size affected the refining energy consumption; the total energy dropped by approximately 30% when chip size was reduced from 16 mm to 3 mm in the case of spruce and approximately 40% for birch. 6 refs.

  10. Comminution process to produce engineered wood particles of uniform size and shape with disrupted grain structure from veneer

    DOEpatents

    Dooley, James H; Lanning, David N

    2013-07-30

    Comminution process of wood veneer to produce wood particles, by feeding wood veneer in a direction of travel substantially normal to grain through a counter rotating pair of intermeshing arrays of cutting discs arrayed axially perpendicular to the direction of veneer travel, wherein the cutting discs have a uniform thickness (Td), to produce wood particles characterized by a length dimension (L) substantially equal to the Td and aligned substantially parallel to grain, a width dimension (W) normal to L and aligned cross grain, and a height dimension (H) substantially equal to the veneer thickness (Tv) and aligned normal to W and L, wherein the W.times.H dimensions define a pair of substantially parallel end surfaces with end checking between crosscut fibers.

  11. Laboratory evaluation of the hazard to wood mice, Apodemus sylvaticus, from the agricultural use of methiocarb molluscicide pellets

    SciTech Connect

    Tarrant, K.A.; Westlake, G.E.

    1988-01-01

    Laboratory studies have been carried out to determine the toxicity of methiocarb pellets to wild trapped wood mice in order to provide some background data prior to any further evaluation of hazard in the field. In this study, wood mice were exposed to dry and to dampened methiocarb pellets in order to reproduce field trial application conditions. Field observations of methiocarb pellets indicate that the physical character changes under dry and wet weather conditions. This may affect their relative attractiveness and potential toxicity to wood mice. The laboratory assessment of exposed wood mice included measurement of brain esterase activities, methiocarb residues in selected mouse tissue, carcasses, and histological evaluation of kidney, liver and lungs.

  12. Wood-Producing Sunflower? Mining Genetic Diversity in Desert-Dwelling Wild Species (2010 JGI User Meeting)

    ScienceCinema

    Knapp, Steve

    2016-07-12

    Steve Knapp from Monsanto on "Wood-Producing Sunflower? Mining Genetic Diversity in Desert-Dwelling Wild Species" on March 25, 2010 at the 5th Annual DOE JGI User Meeting

  13. Annual energy review 2003

    SciTech Connect

    Seiferlein, Katherin E.

    2004-09-30

    The Annual Energy Review 2003 is a statistical history of energy activities in the United States in modern times. Data are presented for all major forms of energy by production (extraction of energy from the earth, water, and other parts of the environment), consumption by end-user sector, trade with other nations, storage changes, and pricing. Much of the data provided covers the fossil fuels—coal, petroleum, and natural gas. Fossil fuels are nature’s batteries; they have stored the sun’s energy over millennia past. It is primarily that captured energy that we are drawing on today to fuel the activities of the modern economy. Data in this report measure the extraordinary expansion of our use of fossil fuels from 29 quadrillion British thermal units (Btu) in 1949 to 84 quadrillion Btu in 2003. In recent years, fossil fuels accounted for 86 percent of all energy consumed in the United States. This report also records the development of an entirely new energy industry—the nuclear electric power industry. The industry got its start in this country in 1957 when the Shippingport, Pennsylvania, nuclear electric power plant came on line. Since that time, the industry has grown to account for 20 percent of our electrical output and 8 percent of all energy used in the country. Renewable energy is a third major category of energy reported in this volume. Unlike fossil fuels, which are finite in supply, renewable energy is essentially inexhaustible because it can be replenished. Types of energy covered in the renewable category include conventional hydroelectric power, which is power derived from falling water; wood; waste; alcohol fuels; geothermal; solar; and wind. Together, these forms of energy accounted for about 6 percent of all U.S. energy consumption in recent years.

  14. Thermal Properties of Wood-Derived Copper-Silicon Carbide Compsites Fabricated Via Electrodeposition

    SciTech Connect

    Pappacena, Kristen E; Johnson, M. T.; Wang, Hsin; Porter, Wallace D; Faber, K. T.

    2010-01-01

    Copper-silicon carbide composites were fabricated by electrodeposition of copper into pores of wood-derived silicon carbide, a ceramic with a microstructure that can be tailored via the use of different wood precursors. Thermal conductivity values were determined using flash diffusivity at temperatures from 0 to 900 C. Thermal conductivities of up to 202 W/m K at 0 C and 148 W/mK at 900 C were achieved. Object-oriented finite-element analysis (OOF) modeling was used to understand the heat flux distributions throughout the microstructures. OOF was also used to calculate the effective thermal conductivity, which correlated well with experimentally-determined values for axially-oriented composites. In addition, OOF was used to predict effective conductivity values and heat flux distributions for transversely-oriented composites.

  15. Tennessee Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Tennessee" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",7749,4940,5646,10212,8138 "Solar","-","-","-","-","-" "Wind",55,50,50,52,41 "Wood/Wood Waste",698,868,879,862,914 "MSW Biogenic/Landfill Gas",24,19,27,29,23 "Other Biomass",35,33,9,7,11

  16. Texas Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Texas" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",662,1644,1039,1029,1262 "Solar","-","-","-","-",8 "Wind",6671,9006,16225,20026,26251 "Wood/Wood Waste",892,914,976,649,900 "MSW Biogenic/Landfill Gas",219,322,401,398,449 "Other Biomass",37,45,38,31,96

  17. Pennsylvania Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Pennsylvania" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",2844,2236,2549,2683,2332 "Solar","-","-","s",4,8 "Wind",361,470,729,1075,1854 "Wood/Wood Waste",683,620,658,694,675 "MSW Biogenic/Landfill Gas",1411,1441,1414,1577,1706 "Other Biomass",18,16,2,3,3

  18. Louisiana Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Louisiana" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",713,827,1064,1236,1109 "Solar","-","-","-","-","-" "Wind","-","-","-","-","-" "Wood/Wood Waste",2881,2898,2639,2297,2393 "MSW Biogenic/Landfill

  19. Maine Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Maine" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",4278,3738,4457,4212,3810 "Solar","-","-","-","-","-" "Wind","-",99,132,299,499 "Wood/Wood Waste",3685,3848,3669,3367,3390 "MSW Biogenic/Landfill Gas",235,208,206,232,237 "Other Biomass",48,52,52,41,27

  20. Maryland Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Maryland" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",2104,1652,1974,1889,1667 "Solar","-","-","-","-","s" "Wind","-","-","-","-",1 "Wood/Wood Waste",218,203,198,175,165 "MSW Biogenic/Landfill Gas",408,400,415,376,407 "Other

  1. Massachusetts Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Massachusetts" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",1513,797,1156,1201,996 "Solar","-","-","s","s",1 "Wind","-","-",4,6,22 "Wood/Wood Waste",125,119,123,115,125 "MSW Biogenic/Landfill Gas",1126,1094,1128,1104,1125 "Other Biomass",27,27,2,4,1

  2. Michigan Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Michigan" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",1520,1270,1364,1372,1251 "Solar","-","-","-","-","-" "Wind",2,3,141,300,360 "Wood/Wood Waste",1704,1692,1710,1489,1670 "MSW Biogenic/Landfill Gas",735,721,738,829,795 "Other Biomass",2,1,1,5,8

  3. Minnesota Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Minnesota" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",572,654,727,809,840 "Solar","-","-","-","-","-" "Wind",2055,2639,4355,5053,4792 "Wood/Wood Waste",590,727,725,796,933 "MSW Biogenic/Landfill Gas",412,423,399,384,340 "Other Biomass",3,143,372,503,576

  4. Mississippi Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Mississippi" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional","-","-","-","-","-" "Solar","-","-","-","-","-" "Wind","-","-","-","-","-" "Wood/Wood Waste",1535,1488,1386,1417,1503 "MSW

  5. Missouri Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Missouri" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",199,1204,2047,1817,1539 "Solar","-","-","-","-","-" "Wind","-","-",203,499,925 "Wood/Wood Waste","s","s",2,2,"s" "MSW Biogenic/Landfill Gas",15,22,30,50,58 "Other

  6. Montana Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Montana" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",10130,9364,10000,9506,9415 "Solar","-","-","-","-","-" "Wind",436,496,593,821,930 "Wood/Wood Waste",94,111,111,95,97 "MSW Biogenic/Landfill Gas","-","-","-","-","-"

  7. Nebraska Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Nebraska" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",893,347,346,434,1314 "Solar","-","-","-","-","-" "Wind",261,217,214,383,422 "Wood/Wood Waste","-","-","-","-","-" "MSW Biogenic/Landfill Gas",37,46,45,47,53 "Other

  8. Nevada Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Nevada" "Energy Source",2006,2007,2008,2009,2010 "Geothermal",1344,1253,1383,1633,2070 "Hydro Conventional",2058,2003,1751,2461,2157 "Solar","-",44,156,174,217 "Wind","-","-","-","-","-" "Wood/Wood Waste","-","-","-",1,"-" "MSW Biogenic/Landfill Gas","-","-","-","-","-"

  9. Oklahoma Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Oklahoma" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",624,3066,3811,3553,2809 "Solar","-","-","-","-","-" "Wind",1712,1849,2358,2698,3808 "Wood/Wood Waste",297,276,23,68,255 "MSW Biogenic/Landfill Gas","-",4,5,"-","-" "Other

  10. Oregon Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Oregon" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",37850,33587,33805,33034,30542 "Solar","-","-","-","-","-" "Wind",931,1247,2575,3470,3920 "Wood/Wood Waste",799,843,717,674,632 "MSW Biogenic/Landfill Gas",71,100,131,128,205 "Other

  11. Alabama Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Alabama" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",7252,4136,6136,12535,8704 "Solar","-","-","-","-","-" "Wind","-","-","-","-","-" "Wood/Wood Waste",3865,3784,3324,3035,2365 "MSW Biogenic/Landfill

  12. Alaska Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Alaska" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",1224,1291,1172,1324,1433 "Solar","-","-","-","-","-" "Wind",1,1,"s",7,13 "Wood/Wood Waste",1,"s","-","-","-" "MSW Biogenic/Landfill

  13. Arkansas Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Arkansas" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",1551,3237,4660,4193,3659 "Solar","-","-","-","-","-" "Wind","-","-","-","-","-" "Wood/Wood Waste",1689,1581,1466,1529,1567 "MSW Biogenic/Landfill Gas",7,33,36,34,38

  14. California Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    California" "Energy Source",2006,2007,2008,2009,2010 "Geothermal",12821,12991,12883,12853,12600 "Hydro Conventional",48047,27328,24128,27888,33431 "Solar",495,557,670,647,769 "Wind",4883,5585,5385,5840,6079 "Wood/Wood Waste",3422,3407,3484,3732,3551 "MSW Biogenic/Landfill Gas",1685,1657,1717,1842,1812 "Other Biomass",610,648,645,626,639 "Total",71963,52173,48912,53428,58881 "

  15. Utah Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Utah" "Energy Source",2006,2007,2008,2009,2010 "Geothermal",191,164,254,279,277 "Hydro Conventional",747,539,668,835,696 "Solar","-","-","-","-","-" "Wind","-","-",24,160,448 "Wood/Wood Waste","-","-","-","-","-" "MSW Biogenic/Landfill Gas",15,31,24,48,56 "Other

  16. Vermont Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Vermont" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",1519,647,1493,1486,1347 "Solar","-","-","-","-","-" "Wind",11,11,10,12,14 "Wood/Wood Waste",439,453,415,393,443 "MSW Biogenic/Landfill Gas","-","-","-",24,25 "Other

  17. Virginia Renewable Electric Power Industry Net Generation, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Virginia" "Energy Source",2006,2007,2008,2009,2010 "Geothermal","-","-","-","-","-" "Hydro Conventional",1351,1248,1011,1479,1500 "Solar","-","-","-","-","-" "Wind","-","-","-","-","-" "Wood/Wood Waste",1780,1792,1916,1708,1404 "MSW Biogenic/Landfill Gas",662,753,761,695,802

  18. Buildings Energy Data Book: 1.4 Environmental Data

    Buildings Energy Data Book

    0 2010 Emissions Summary Table for U.S. Buildings Energy Consumption (Thousand Short Tons) (1) Buildings Buildings Percent Wood/SiteFossil Electricity Total U.S. Total of U.S. Total SO2 (2) 54% NOx 17% CO 5% VOCs 2% PM-2.5 15% PM-10 7% Note(s): Source(s): 1) VOCs = volatile organic compounds; PM-10 = particulate matter less than 10 micrometers in aerodynamic diameter. PM-2.5 = particulate matter less than 2.5 micrometers in aerodynamic diameter. CO and VOCs site fossil emissions mostly from wood

  19. On-line measurement of lignin in wood pulp by color shift of fluorescence

    SciTech Connect

    Jeffers, Larry A.; Malito, Michael L.

    1996-01-01

    Lignin concentrations from wood pulp samples are measured by applying an excitation light at a selected wavelength to the samples in order to cause the lignin to emit fluorescence. A spectral distribution of the fluorescence emission is then determined. The lignin concentration is then calculated based on the spectral distribution signal. The spectral distribution is quantified by either a wavelength centroid method or a band ratio method.

  20. On-line measurement of lignin in wood pulp by color shift of fluorescence

    DOEpatents

    Jeffers, L.A.; Malito, M.L.

    1996-01-23

    Lignin concentrations from wood pulp samples are measured by applying an excitation light at a selected wavelength to the samples in order to cause the lignin to emit fluorescence. A spectral distribution of the fluorescence emission is then determined. The lignin concentration is then calculated based on the spectral distribution signal. The spectral distribution is quantified by either a wavelength centroid method or a band ratio method. 6 figs.

  1. New Whole-House Solutions Case Study: Testing Ductless Heat Pumps in High-Performance Affordable Housing, the Woods at Golden Given - Tacoma, Washington

    SciTech Connect

    2015-06-01

    The Woods is a 30-home, high- performance, energy efficient sustainable community built by Habitat for Humanity (HFH). With Support from Tacoma Public Utilities, Washington State University (part of the Building America Partnership for Improved Residential Construction) is researching the energy performance of these homes and the ductless heat pumps (DHP) they employ. This project provides Building America with an opportunity to: field test HVAC equipment, ventilation system air flows, building envelope tightness, lighting, appliance, and other input data that are required for preliminary Building Energy Optimization (BEopt™) modeling and ENERGY STAR® field verification; analyze cost data from HFH and other sources related to building-efficiency measures that focus on the DHP/hybrid heating system and heat recovery ventilation system; evaluate the thermal performance and cost benefit of DHP/hybrid heating systems in these homes from the perspective of homeowners; compare the space heating energy consumption of a DHP/electric resistance (ER) hybrid heating system to that of a traditional zonal ER heating system; conduct weekly "flip-flop tests" to compare space heating, temperature, and relative humidity in ER zonal heating mode to DHP/ER mode.

  2. Sandia Energy - Energy Surety

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy, Energy Assurance, Energy Surety, Grid Integration, Infrastructure Security, Microgrid, News, News & Events, Renewable Energy, Systems Analysis, Systems Engineering,...

  3. Sandia Energy - Energy Assurance

    U.S. Department of Energy (DOE) - all webpages (Extended Search)

    Energy, Energy Assurance, Energy Surety, Grid Integration, Infrastructure Security, Microgrid, News, News & Events, Renewable Energy, Systems Analysis, Systems Engineering,...

  4. Composites of Polystyrene/Wood Fiber, Processing Effect to Creep Resistance

    SciTech Connect

    Romero-Balderrama, L.; Mendoza-Duarte, M. E.; Flores-Gallardo, S. G.; Ibarra-Gomez, R. [Centro de Investigacion en Materiales Avanzados. Miguel de Cervantes 120, Complejo Industrial Chihuahua, 31109. Chihuahua, Chih. (Mexico); Gaspar-Rosas, A. [TA Instruments-Waters LLC. 109 Lukens Drive New Castle, DE 19720 (United States)

    2008-07-07

    In the present work, PS/wood fiber composites were studied in relation to their creep response as to be affected by the incorporation of a silane type coupling agent. Two elaboration variables were also considered in the experiments: wood fiber content and type of composites processing (compression, extrusion and injection molding). A series of weight ratios PS/wood fiber, with and without coupling agent, were prepared, 90/10, 80/20, 70/30 and 60/40. For the compatibilized series, 1% wt of silane coupling agent in relation to the polystyrene weight was employed. The creep tests were performed inside the lineal viscoelastic region at 80 deg. C. A general improvement of the creep resistance for the compatibilized composites was observed independently of the elaboration process. However, the injection molded samples showed by far the lowest deformation with time. This behavior suggests that the high orientation of the fibers generated by the injection molding process, in relation to the extrusion and compression molding, promotes a higher superficial area of treated fiber to be in contact with the PS matrix, which enhances the adhesion and in consequence the resistance to creep.

  5. Mathematical model of steam drying of wood chips and other hygroscopic porous media

    SciTech Connect

    Fyhr, C.; Rasmuson, A.

    1996-09-01

    A model is presented that is focused on the drying kinetics of single wood chips as a function of time and external conditions, such as temperature, pressure and velocity of the superheated steam. A multiphase and 2-D approach was used to model the coupled transport of water, vapor, air and heat in anisotropic hygroscopic porous media. The model was verified by drying experiments where measurements of the average moisture content, center temperature and pressure in a single wood chip could be performed simultaneously. A comparison between the calculations and the measurements showed that the drying behavior was well predicted. The drying can be divided into three stages: a heat-up period when condensation on the surface initially increases the moisture content; a period of constant drying rate when the external heat transfer controls the drying rate; and a period of decreasing drying rate when the drying is controlled by internal mass transfer. Many interesting features of the drying could be assigned to the strong anisotropicity of wood, which makes a 2-D model necessary.

  6. Influence of corn steep liquor and glucose on colonization of control and CCB (Cu/Cr/B)-treated wood by brown rot fungi

    SciTech Connect

    Humar, Miha; Pohleven, Franc

    2006-07-01

    There are increasing problems with regard to the disposal of treated wood waste. Due to heavy metals or arsenic in impregnated wood waste, burning and landfill disposal options are not considered to be environmentally friendly solutions for dealing with this problem. Extraction of the heavy metals and recycling of the preservatives from the wood waste is a much more promising and environmentally friendly solution. In order to study the scale up of this process, copper/chromium/boron-treated wood specimens were exposed to copper tolerant (Antrodia vaillantii and Leucogyrophana pinastri) and copper sensitive wood decay fungi (Gloeophyllum trabeum and Poria monticola). Afterwards, the ability of fungal hyphae to penetrate and overgrow the wood specimens was investigated. The fungal growths were stimulated by immersing the specimens into aqueous solution of glucose or corn steep liquor prior to exposure to the fungi. The fastest colonization of the impregnated wood was by the copper tolerant A. vaillantii. Addition of glucose onto the surface of the wood specimens increased the fungi colonization of the specimens; however, immersion of the specimens into the solution of corn steep liquor did not have the same positive influence. These results are important in elucidating copper toxicity in wood decay fungi and for using these fungi for bioremediation of treated wood wastes.

  7. Proposed plant will turn wood residues into synfuel

    SciTech Connect

    Not Available

    1981-01-01

    A group of entrepreneurs plan to have a plant operating in Burney, CA. The projected facility will produce an estimated 21,000 gallons of oil per day, converting about 300 tons of raw material. Converting cellulose into synthetic fuel is superior to alcohol production. The process yields approximately 84 gallons of synthetic fuel per ton of raw material. The entire LHG (liquid hydrogen gas) patented facility is self-sufficient and releases only carbon dioxide into the atmosphere. Synfuel production is a three-phase process. First, butyl alcohol (butanol) and acetone are produced from a portion of the raw material. This is facilitated by adding to the raw material a bacteria culture. The planned facility in Burney will have thirty-five 2100 gallon fermentation tanks and will produce 1.25 million gallons of butanol. Next, organic material is blended with water and is pumped into patented LHG catalytic converters, charged with carbon monoxide gas as a catalyst and then heated to 350 degrees C at 2000 to 5000 psi. Here, the organic material is converted to No. 4 oil with bituminous tar as a residue. A patented gasifier system produces the carbon monoxide catalyst plus COH (carbon hydroxide) gas. The COH is used to power a gas turbine driving a 100 kW generator and a central hydraulic pump. The facility, which will be energy self-sufficient, will have approximately 50 kW of excess power to sell to the local utility power grid. Finally, the No. 4 oil, butanol and liquified COH gas are blended to produce any grade fuel oil or a gasoline substitute of very high octane.

  8. Advanced House Framing | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    Design » Design for Efficiency » Advanced House Framing Advanced House Framing Two-story home using advanced framing techniques. Two-story home using advanced framing techniques. Advanced house framing, sometimes called optimum value engineering (OVE), refers to framing techniques designed to reduce the amount of lumber used and waste generated in the construction of a wood-framed house. These techniques boost energy efficiency by replacing lumber with insulation material while maintaining the

  9. AFN Annual Convention | Department of Energy

    Energy Saver

    5 Steps to Making Your Windows More Energy Efficient 5 Steps to Making Your Windows More Energy Efficient December 13, 2013 - 4:06pm Addthis Keep your hard-earned dollars from flying out the window by following the <a href="http://apps1.eere.energy.gov/buildings/publications/pdfs/building_america/measure_guide_wood_windows.pdf">latest guidelines for window repair, rehabilitation and replacement</a>. | Photo courtesy of the Weatherization Assistance Program Technical

  10. Final Report. Montpelier District Energy Project

    SciTech Connect

    Baker, Jessie; Motyka, Kurt; Aja, Joe; Garabedian, Harold T.

    2015-03-30

    The City of Montpelier, in collaboration with the State of Vermont, developed a central heat plant fueled with locally harvested wood-chips and a thermal energy distribution system. The project provides renewable energy to heat a complex of state buildings and a mix of commercial, private and municipal buildings in downtown Montpelier. The State of Vermont operates the central heat plant and the system to heat the connected state buildings. The City of Montpelier accepts energy from the central heat plant and operates a thermal utility to heat buildings in downtown Montpelier which elected to take heat from the system.

  11. COMPARISON OF THE POPULATIONS OF COMMON WOOD-NYMPH BUTTERFLIES IN BURNED PRAIRIE, UNBURNED PRAIRIE AND OLD FIELD GRASSES

    SciTech Connect

    Hahn, M.; Walton, R.

    2007-01-01

    Common wood-nymph butterfl ies are found throughout the United States and Canada. However, not much is known about how they overwinter or their preferences for particular grasses and habitats. In this study, the impact of prairie management plans on the abundance of the wood-nymph population was assessed, as well as the preference of these butterfl ies for areas with native or non-native grasses. The abundance of common wood-nymph butterfl ies was determined using Pollard walks; more common wood-nymph butterfl ies were found in the European grasses than were found in the burned and unburned prairie sites. The majority of the vegetation at each of the three sites was identifi ed and documented. Using a 1 X 3 ANOVA analysis, it was determined there were signifi cantly more butterfl ies in the European grasses than in the burned and unburned prairie sites (p < 0.0005). There was no signifi cant difference between the burned and unburned treatments of the prairie on the common wood-nymph population. A multiple variable linear regression model described the effect of temperature and wind speed on the number of observed common wood-nymph butterfl ies per hour (p = 0.026). These preliminary results need to be supplemented with future studies. Quadrat analysis of the vegetation from all three sites should be done to search for a correlation between common wood-nymph butterfl y abundance per hour and the specifi c types or quantity of vegetation at each site. The effect of vegetation height and density on the observers visual fi eld should also be assessed.

  12. United States Renewable Electric Power Industry Net Summer Capacity, by Energy Source

    Energy Information Administration (EIA) (indexed site)

    Renewable Electric Power Industry Net Summer Capacity, by Energy Source, 2006 - 2010" "(Megawatts)" "United States" "Energy Source",2006,2007,2008,2009,2010 "Geothermal",2274,2214,2229,2382,2405 "Hydro Conventional",77821,77885,77930,78518,78825 "Solar",411,502,536,619,941 "Wind",11329,16515,24651,34296,39135 "Wood/Wood Waste",6372,6704,6864,6939,7037 "MSW/Landfill Gas",3166,3536,3644,3645,3690

  13. Tips: Heating and Cooling | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) (indexed site)

    ... Consider upgrading an old wood stove to an EPA-certified wood or pellet stove. Pellet stoves burn a renewable fuel made of ground, dried wood and other biomass wastes compressed ...

  14. Greenbelt Homes Pilot Energy Efficiency Program Phase 1 Summary: Existing Conditions and Baseline Energy Use

    SciTech Connect

    Wiehagen, J.; Del Bianco, M.; Wood, A.

    2013-02-01

    A multi-year pilot energy efficiency retrofit project has been undertaken by Greenbelt Homes, Inc, (GHI) a 1,566 co-operative of circa 1930 and '40 homes. The three predominate construction methods of the townhomes in the community are materials common to the area and climate zone including 8" CMU block, wood frame with brick veneer and wood frame with vinyl siding. GHI has established a pilot project that will serve as a basis for decision making for the roll out of a decade-long community upgrade program that will incorporate energy efficiency to the building envelope and equipment with the modernization of other systems like plumbing, mechanical equipment, and cladding.

  15. Greenbelt Homes Pilot Energy Efficiency Program Phase 1 Summary. Existing Conditions and Baseline Energy Use

    SciTech Connect

    Wiehagen, J.; Del Bianco, M.; Wood, A.

    2013-02-01

    A multi-year pilot energy efficiency retrofit project has been undertaken by Greenbelt Homes, Inc, (GHI) a 1,566 co-operative of circa 1930 and '40 homes. The three predominate construction methods of the townhomes in the community are materials common to the area and climate zone including 8” CMU block, wood frame with brick veneer and wood frame with vinyl siding. GHI has established a pilot project that will serve as a basis for decision making for the roll out of a decade-long community upgrade program that will incorporate energy efficiency to the building envelope and equipment with the modernization of other systems like plumbing, mechanical equipment, and cladding.

  16. Buildings Energy Data Book: 1.6 Embodied Energy of Building Assemblies

    Buildings Energy Data Book

    2 Embodied Energy of Commercial Studded Exterior Walls in the U.S. Embodied Energy CO2 Equivalent Exterior Wall Type (MMBtu/SF) (1) Emissions (lbs/SF) U.S. North (2) U.S. South (3) U.S. North (2) U.S. South (3) 2x4 Steel Stud Wall (4) 16" OC with brick cladding 0.10 0.10 14.46 14.04 24" OC with brick cladding 0.10 0.09 13.47 13.03 16" OC with wood cladding 0.07 0.07 8.71 8.27 24" OC with wood cladding 0.06 0.06 7.69 7.28 16" OC with steel cladding (26 ga) 0.24 0.24 38.65

  17. Buildings Energy Data Book: 1.6 Embodied Energy of Building Assemblies

    Buildings Energy Data Book

    4 Embodied Energy of Commercial Wood-Based Roof Assemblies in the U.S. Embodied Energy CO2 Equivalent (MMBtu/SF) (1) Emissions (lbs/SF) Glulam Joist with Plank Decking with EPDM membrane 0.16 11.05 with PVC membrane 0.25 20.70 with Modified bitumen membrane 0.25 21.78 with 4-Ply built-up roofing 0.43 41.49 with Steel Roofing 0.10 10.05 Wood I-Joist with WSP Decking with EPDM membrane 0.14 10.10 with PVC membrane 0.23 19.75 with Modified bitumen membrane 0.24 20.81 with 4-Ply built-up roofing

  18. Energy from biological processes

    SciTech Connect

    Not Available

    1980-07-01

    This assessment responds to a request by the Senate Committee on Commerce, Science, and Transportation for an evaluation of the energy potential of various sources of plant and animal matter (biomass). This report complements an earlier OTA report on the Application of Solar Technology to Today's Energy Needs in evaluating the major solar energy resources available to the United States. The findings also will serve as part of the material to be used in an upcoming OTA assessment of synthetic fuels for transportation. This volume presents analyses of prominent biomass issues, summaries of four biomass fuel cycles, a description of biomass' place in two plausible energy futures, and discussions of policy options for promoting energy from biomass. The four fuel cycles - wood, alcohol fuels, grasses and crop residues, and animal wastes - were chosen because of their near- to mid-term energy potential and because of the public interest in them. A second volume presents technical analyses of the resource base, conversion technologies, and end uses that provide a basis for the discussion in this volume. Also included in Volume II are various unconventional approaches to bioenergy production as well as the use of biomass to produce chemicals.

  19. International Energy Agency Bioenergy 2015

    Energy.gov [DOE]

    This year, Sweden is hosting the International Energy Agency Bioenergy Task 38 conference on climate change effects of biomass and bioenergy systems, bringing together several international experts with an interest in bioenergy for the two-day program. The aim of the conference is to provide cutting-edge knowledge about the climate effects of converting wood products into bioenergy , as well as methods to analyze these effects. Feedstocks and Algae Program Manager Alison Goss Eng will be representing the U.S. Department of Energy’s Bioenergy Technologies Office at the meeting.

  20. Characterization of emissions from a fluidized-bed wood chip home heating furnace. Final report Apr 82-May 83

    SciTech Connect

    Truesdale, R.S.

    1984-03-01

    The report gives results of measurements of emissions from a residential wood-chip combustor, operated in both a fluidized-bed and cyclone-fired mode, and their comparison with those from a conventional woodstove and industrial wood-fired boilers. In general, the combustion efficiency of the fluidized-bed and cyclone-fired wood-chip burner is higher than that of conventional woodstoves. Concomitant with this increase in efficiency is a decrease in most emissions. For the fluidized-bed tests, significant reductions of total hydrocarbons and CO were observed, compared to woodstove emissions. The cyclone test showed PAH levels far below those of conventional woodstoves, approaching levels measured in industrial wood-fired boilers. A baghouse, installed during two fluidized-bed tests, was extremely effective in reducing both particulate and PAH emissions. Method 5 samples from above the fluid bed suggest that appreciable PAH is formed in the upper region of the furnace or in the watertube heat exchangers. In general, the cyclone-fired mode was more effective in reducing emissions from residential wood combustion than the fluidized-bed mode.