Method of recovering sulfur from the hydrogen sulfide contained

Details Method of recovering sulfur from the hydrogen sulfide contained Method of recovering sulfur from the hydrogen sulfide contained

1983-03-07

1985-04-30

Heller, Gregory A.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423573R, 423574R, 423576, 423236, 423237, 423238, C01B 1702, C01C 300

Patent

active

045143757

ABSTRACT:
Ammonia and hydrogen sulfide are washed out of the coke oven gas and stripped from the wash liquor in the form of gases and fumes or vapors. The ammonia is decomposed in a nickel catalyzer and a small part of the decomposition gases is supplied directly to a combustion furnace, while the larger part of the combustion gases is first cooled and freed from condensate, and only then supplied to the combustion furnace. In the combustion furnace, the proportion of H.sub.2 S/SO.sub.2 needed for the Claus process is adjusted by a partial combustion of the decomposition gases. The gases from the combustion furnace are then processed in the Claus plant to sulfur.

REFERENCES:
patent: 3819816 (1974-06-01), Wunderlich et al.
patent: 3822337 (1974-07-01), Wunderlich et al.
patent: 4073862 (1978-02-01), Haese
patent: 4075310 (1978-02-01), Fischer
patent: 4101642 (1978-07-01), Tippmer
patent: 4395390 (1983-07-01), Desgrandchamps et al.

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