H.sub.2s removal process

Details H.sub.2s removal process H.sub.2s removal process

B - Operations, Transporting

01

D

23/344, 23/356

B01D 53/14 (2006.01)

Patent

CA 1193828

A B S T R A C T Process for the removal of H2S and CO2 from a gas by: - a) contacting the gas with an aqueous solution of an oxidizing polyvalent metal chelate, optionally in an absorbent, containing a stabilizer selected from N,N-diethylhydroxylamine, thiourea, thiosemicarbazide, 2,2-thiodiethanol and zinc isopropylxanthate, b) removing sulphur from the aqueous admixture, c) regenerating the aqueous admixture, and d) returning regenerated aqueous admixture to step (a).

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