Propellant wastewater treatment process

Details Propellant wastewater treatment process Propellant wastewater treatment process

1993-09-20

1994-04-12

Wyse, Thomas

Liquid purification or separation

Processes

Treatment by living organism

210611, 210612, C02F 330, C02F 158

Patent

active

053022858

ABSTRACT:
A method for treatment and disposal of propellant wastewaters, soil washwaters or groundwaters having dissolved perchlorate salts is described, which comprises adding to the contaminated water in an anaerobic reactor a mixed bacterial culture containing a specific bacterium, HAP1, which uses perchlorate as its terminal electron acceptor and thus reduces the perchlorate ion to chloride in the water; maintaining the proper nutrient and environmental conditions for HAP1 to optimally reduce perchlorate in the water and discharging effluent wastewater from the anaerobic reactor to an aerobic reactor and maintaining proper nutrient and environmental conditions for the optimal conversion of soluble organics to carbon dioxide and sludge and reduction of BOD, COD, ammonia and odor in the effluent water.

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patent: 3145166 (1964-08-01), Howe
patent: 3634226 (1972-01-01), Witt et al.
patent: 3755156 (1973-08-01), Yakovlev et al.
patent: 3756947 (1973-09-01), Fujii et al.
patent: 3943055 (1976-03-01), Korenkov et al.
patent: 3979283 (1976-09-01), Prudom
patent: 4211647 (1980-07-01), Friedman et al.
patent: 4662893 (1987-05-01), McIntosh
patent: 4756832 (1988-07-01), Gold et al.
patent: 5133877 (1992-07-01), Roter et al.
"Anaerobic Wastewater Treatment" in Advances in Engineering/Biotechnology, #29, A. Fiechter Ed. Springer-Verlag pp. 83-115 (1984).
Wastewater Engineering, Metcalf-Eddy Inc., McGraw-Hill, Chaps 10 and 12 (1972).
Bacterial Metabolism, G Gottschalk, Chap 8 "Bacterial-Fermentations".

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