Purifying contaminated water

Details Purifying contaminated water Purifying contaminated water

1981-10-27

1983-06-07

Wyse, Thomas G.

Liquid purification or separation

Processes

Treatment by living organism

210631, 210679, 210691, 210908, C02F 128

Patent

active

043870252

ABSTRACT:
Process for removing biorefractory compounds from contaminated water (e.g., oil shale retort waste-water) by contacting same with fragmented raw oil shale. Biorefractory removal is enhanced by preactivating the oil shale with at least one member of the group of carboxylic, acids, alcohols, aldehydes, ketones, ethers, amines, amides, sulfoxides, mixed ether-esters and nitriles. Further purification is obtained by stripping, followed by biodegradation and removal of the cells.

REFERENCES:
patent: 1676151 (1928-07-01), McKee
patent: 3676357 (1972-07-01), Cinti et al.
patent: 4133742 (1979-01-01), Hill
patent: 4160729 (1979-07-01), Wilcox
News Quarterly, vol. XXX, No. 4, 10/1980, published by Sanitary Engineering Research Laboratory of University of California, Berkeley.

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