Process for the elimination of ammonia in coke plant waste water

Details Process for the elimination of ammonia in coke plant waste water Process for the elimination of ammonia in coke plant waste water

1983-01-12

1984-05-08

Hruskoci, Peter A.

Liquid purification or separation

Processes

Chemical treatment

210757, 210763, 210903, 210919, 423237, 423239, C02F 120, C02F 170, C02F 172

Patent

active

044473338

ABSTRACT:
A process for the elimination of ammonia in waste waters from a coke oven battery wherein ammonia-containing waste water or ammonia-containing vapor obtained by means of ammonia separation from the waste water are mixed with flue gas from the coke oven battery and sprayed into a NO.sub.x reactor at an elevated temperature with the resulting mixture being subjected to a catalytic redox reaction.

REFERENCES:
patent: 1428618 (1922-09-01), Wagner
patent: 3970739 (1976-07-01), Shiraishi et al.
patent: 4160725 (1979-07-01), Josis et al.
patent: 4272497 (1981-06-01), Takahashi et al.
patent: 4273749 (1981-06-01), Kimura et al.
patent: 4294706 (1981-10-01), Kakihara et al.
"The DHG Process--An NO.sub.x Reduction Process for Waste Gases".
"Das DHG-Verfahren-ein NO.sub.x -Reduzierungsverfahren fur Abgase", Umwelt, 5/80.

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