Artificial marsh treats industrial wastewater
When a chemical plant in Alabama wished to expand operations, state requirements for wastewater discharged from their facility appeared to be impossible to be met. It was to have a BOD of only 4 milligrams/liter. This paper describes an artificial marshland, known as microbial rock-reed plant filters, used to treat these industrial wastewaters. An oxidation ditch and clarifiers reduce BOD from 3000 mg/l to 30 mg/l in five days. The water flows then to a settling pond covered with floating aquatic plants where it stays for three days. It then flows from opposite sides into a central channel in the middle of the artificial marsh where it spends 1-2 days trickling through the 3.4-acre marsh where the BOD is reduced to below the required 4 mg/l.
- OSTI ID:
- 6556913
- Journal Information:
- BioCycle; (USA), Vol. 30:2; ISSN 0276-5055
- Country of Publication:
- United States
- Language:
- English
Similar Records
Sulfide variation in the pore and surface waters of artificial salt-marsh ditches and a natural tidal creek
Wastewater characterization survey, Thule Air Base, Greenland. Final report, 6-22 July 1992
Related Subjects
WASTE WATER
WATER TREATMENT
WETLANDS
PERFORMANCE
ALABAMA
AQUATIC ORGANISMS
BIOCHEMICAL OXYGEN DEMAND
CHEMICAL PLANTS
COST
OXIDATION
POLLUTION REGULATIONS
REEDS
ROCKS
SETTLING PONDS
SIMULATION
WATER TREATMENT PLANTS
AQUATIC ECOSYSTEMS
CHEMICAL REACTIONS
ECOSYSTEMS
FEDERAL REGION IV
GRAMINEAE
HYDROGEN COMPOUNDS
INDUSTRIAL PLANTS
LILIOPSIDA
LIQUID WASTES
MAGNOLIOPHYTA
NORTH AMERICA
OXYGEN COMPOUNDS
PLANTS
PONDS
REGULATIONS
SURFACE WATERS
USA
WASTES
WATER
320305* - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Industrial Waste Management