Process for decontaminating sewage containing cyanide

Details Process for decontaminating sewage containing cyanide Process for decontaminating sewage containing cyanide

1974-07-31

1976-05-25

Hart, Charles N.

Liquid purification or separation

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

Responsive to fluid flow

210 40, C02B 114

Patent

active

039591301

ABSTRACT:
Process for decontaminating sewage containing cyanide and possibly also containing hydrogen sulfide which comprises where necessary adjusting the pH of the sewage to be decontaminated to a value of over 7.0 and bringing the sewage into intimate contact with an ash product produced in the gasification and/or combustion of solid fuels.

REFERENCES:
patent: 2887451 (1959-05-01), Hill et al.
patent: 3152985 (1964-10-01), Stoertz et al.
patent: 3401114 (1968-09-01), Carlton et al.
patent: 3424676 (1969-01-01), Johnson et al.
patent: 3650949 (1972-03-01), Hager et al.
Honda et al., "Activated-Charcoal Treatment of Waste Water Containing Cyanide," Chemical Abstracts, Vol. 69:45870z (1968).

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