Process for removing hydrogen sulfide from contaminated gas

Details Process for removing hydrogen sulfide from contaminated gas Process for removing hydrogen sulfide from contaminated gas

1975-05-15

1976-05-25

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423226, 423567R, 423232, C01B 1704

Patent

active

039594521

ABSTRACT:
The thiosulfate-containing purge stream generated in a Stretford-type process for purifying a hydrogen sulfide contaminated gas stream is treated with phosphoric or sulfuric acid and then with lime to recover vanadate salts, anthraquinone disulfonic acid salts, and alkali, for reuse in the process.

REFERENCES:
patent: 1542971 (1926-06-01), Sperr et al.
patent: 1653933 (1927-12-01), Sperr et al.
patent: 3887682 (1975-06-01), Kumata et al.
patent: 3904734 (1975-09-01), Gosden et al.
patent: 3914387 (1975-10-01), Von Jordan et al.

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