Removal of co- and/or h-s from gases

Details Removal of co- and/or h-s from gases Removal of co- and/or h-s from gases

B - Operations, Transporting

01

D

23/346, 23/356

B01D 53/14 (2006.01) C10K 1/14 (2006.01)

Patent

CA 1295810

Abstract of the Disclosure: C02 and/or H2S are removed from gases which contain C02 and/or H2S by means of an aqueous alkanolamine-containing absorption liquid, by a process in which the said gas is treated, in an absorption stage, at from 40 to 100°C, with an aqueous absorption liquid containing from 20 to 70% by weight of methyl- diethanolamine, the treated gas is taken off at the top of the absorption stage, the aqueous absorption liquid laden with C02 and/or H2S is removed at the bottom of the absorption stage and is regenerated by being let down in two or more flash stages, the final flash stage being operated under reduced pressure and the latter being generated by means of a mechanical apparatus for producing reduced pressure and a steam-jet ejector, which are connected in series, and the regenerated absorption liquid is recycled to the absorption stage.

507373

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