Biological process design and pilot testing for a carbon oxidation, nitrification, and denitrification system

Journal Article · Wed May 01 00:00:00 EDT 1991 · Environmental Progress; (United States)

DOI:https://doi.org/10.1002/ep.670100216· OSTI ID:5434766

Givens, S W; Brown, E V ^[1]; Gelman, S R ^[2]; Skedsvold, D A ^[3]

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1. CH2M HILL, Inc., Atlanta, GA (United States)
2. CH2M HILL, Inc., Montgomery, Al (United States)
3. DSM Chemicals North America, Inc., Augusta, GA (United States)

In response to a new NPDES permit incorporating Organic Chemical, Plastic, and Synthetic Fiber (OCPSF) effluent limits for BOD (carbonaceous and nitrogenous), TSS, and priority pollutants, a treatability study was conducted to establish design criteria for a new process wastewater treatment plant for DSM Chemicals North America, Inc. The permit also requires partial removal of total nitrogen. Based on the discharge criteria, a two-stage biological process configuration was selected. The configuration consisted of an anoxic followed by an aerobic reactor with mixed liquor recirculation. To establish design criteria, a two-phase study was conducted. The first phase involved determining wastewater characteristics and kinetic and stoichiometric coefficients. These values were used as input to Simulation of Single-Sludge Processes (SSSP), a computer model that was used to evaluate potential process configurations. In the second phase, a pilot-scale system was operated to verify performance. With a volume distribution of 40% anoxic and 60% aerobic and recirculation ratio of 2, BOD, COD, and total nitrogen removal efficiencies of 99, 88, and 80% were obtained, respectively. Approximately 84% of the biodegradable COD was removed through denitrification.

• OSTI ID: 5434766
• Journal Information: Environmental Progress; (United States), Vol. 10:2; ISSN 0278-4491
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
54 ENVIRONMENTAL SCIENCES
WATER TREATMENT PLANTS
DESIGN
AEROBIC DIGESTION
BIODEGRADATION
CARBON
DENITRIFICATION
MATHEMATICAL MODELS
OXIDATION
PILOT PLANTS
SLUDGES
STOICHIOMETRY
WASTE WATER
WATER POLLUTION CONTROL
CHEMICAL REACTIONS
CONTROL
DECOMPOSITION
DIGESTION
ELEMENTS
FUNCTIONAL MODELS
HYDROGEN COMPOUNDS
LIQUID WASTES
MANAGEMENT
NONMETALS
OXYGEN COMPOUNDS
POLLUTION CONTROL
PROCESSING
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
WATER
320305* - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Industrial Waste Management
540320 - Environment
Aquatic- Chemicals Monitoring & Transport- (1990-)