Method for converting the ammonia and hydrogen sulfide contained

Details Method for converting the ammonia and hydrogen sulfide contained Method for converting the ammonia and hydrogen sulfide contained

1976-08-11

1978-07-18

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423237, 423574R, C01B 1704

Patent

active

041016424

ABSTRACT:
A process for converting ammonia and hydrogen sulfide in coke oven gases into nitrogen, water and sulfur comprises, mixing the oven gases with oxygen and a portion of the waste gases of the process from which all the ammonia and most of the hydrogen sulfide has been removed, burning the mixture in a combustion chamber and passing the resulting gaseous products over a catalyst to convert the ammonia into water and nitrogen, mixing the gases after they pass over the catalyst with oxygen and another portion of the waste gases, and cooling the mixture and removing the condensed sulfur therefrom to form remaining products. The remaining products are further processed to remove additional sulfur, to condense and remove water. A portion of the remaining products are returned to the process in the form of waste gases.

REFERENCES:
patent: 2808317 (1957-10-01), Schmalenbach et al.
patent: 3822337 (1974-07-01), Wunderluh et al.
patent: 3822341 (1974-07-01), Smith
patent: 3970743 (1976-07-01), Beavon

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