B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/347
B01D 53/34 (2006.01) B01D 53/14 (2006.01) B01D 53/52 (2006.01) C01B 17/05 (2006.01)
Patent
CA 1090096
IMPROVEMENTS IN THE TREATMENT OF A HYDROGEN SULFIDE-CONTAINING GAS Abstract of the Disclosure 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, active alkali salts while removing inactive salts such as sulfate and thiosulfate. - 1 -
299373
Kashima Koji
Sano Masaru
Nittetu Chemical Engineering Ltd.
Sim & Mcburney
Toa Oil Co. Ltd.
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