Treatment of gas containing hydrogen sulfide

Details Treatment of gas containing hydrogen sulfide Treatment of gas containing hydrogen sulfide

1978-03-16

1978-10-03

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423226, 423567R, 423571, C01B 1704

Patent

active

041184670

ABSTRACT:
An effluent alkali salt solution obtained in the desulfurization of a hydrogen sulfide-containing gas by washing with an alkali wash solution is subjected to a two stage precipitation treatment at different temperatures to recover valuable components such as a vanadium compound, chelating agent, ADA, and active alkali salts while removing inactive salts such as sulfate and thiosulfate.

REFERENCES:
patent: 3928535 (1975-12-01), Schulz
patent: 3959452 (1976-05-01), Espenscheid et al.
patent: 3972989 (1976-08-01), Fenton et al.

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