Maintaining the selective removal of h.sub.2s from a...

Details Maintaining the selective removal of h.sub.2s from a... Maintaining the selective removal of h.sub.2s from a...

C - Chemistry, Metallurgy

01

B

23/344

C01B 17/04 (2006.01) B01D 53/14 (2006.01) B01D 53/34 (2006.01)

Patent

CA 1126929

Abstract of the Invention A method and apparatus for selectively removing H23 from a gas stream containing H2S and C02 and having a variable flow rate. The absorption system is divided into at least two absorption columns which are connected in parallel and contain at least two individual absorpt on volumes connected in series in which the gas and absorbent solution can countercurrently contact each other. The absorption system has means to control the passage of the fluid streams to each absorption column and the absorbent solution through the individual absorption volumes. -1-

320849

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