Desulfurization of waste gases containing hydrogen sulfide

Details Desulfurization of waste gases containing hydrogen sulfide Desulfurization of waste gases containing hydrogen sulfide

1976-05-25

1977-11-01

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423222, C01B 1704

Patent

active

040566064

ABSTRACT:
Hydrogen sulfide in a gas is converted to sulfur by treatment with sulfur dioxide in the presence of a buffered organic polybasic acid with conversion of excess sulfur compounds in the gas to sulfur dioxide for recycle to the conversion.

REFERENCES:
patent: 2729543 (1956-01-01), Keller
patent: 2881047 (1959-04-01), Townsend
patent: 3796796 (1974-03-01), Deschamps et al.
patent: 3933994 (1976-01-01), Rounds
patent: 3953586 (1976-04-01), Tanimura

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