Sulphur process

Details Sulphur process Sulphur process

C - Chemistry, Metallurgy

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C01B 17/04 (2006.01) B01D 53/14 (2006.01) B01D 53/34 (2006.01) C01B 3/52 (2006.01) C07C 7/148 (2006.01) C10K 1/10 (2006.01)

Patent

CA 1173630

A B S T R A C T SULPHUR PROCESS In the removal of H2S and optionally C02 FROM a gas by contacting with a reactant solution containing the Fe(III). chelate of nitilotriacetic acid with formation of solid sulphur and the Fe(II) chelate of nitrilotriacetic acid, the presence of an alkenol having 4 to 22 carbon atoms per molecule increases. the crystal size of the sulphur. The solution may contain an absorbent selective for C02.

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