Treating waste water containing nitriles and cyanides

Details Treating waste water containing nitriles and cyanides Treating waste water containing nitriles and cyanides

1974-12-20

1976-02-24

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

C02C 510

Patent

active

039403327

ABSTRACT:
A waste water effluent containing nitriles and cyanides is treated by passing through an acclimated, activated sludge containing a microorganism capable of degrading nitriles and cyanides and being selected from the genus Nocardia, for example, Nocardia rubropertincta ATCC 21930 thereby to purify the waste water effluent. The waste water effluent containing 50 ppm to 250 ppm of nitriles and 10 to 50 ppm of cyanide and 500 to 2,000 ppm of COD (Potassium Dichromate Method) can be purified with a high efficiency.

REFERENCES:
patent: 3152983 (1964-10-01), Davis et al.
patent: 3660278 (1972-05-01), Mimura et al.
patent: 3756947 (1973-09-01), Fujii et al.
patent: 3779866 (1973-12-01), Azarowicz

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