Removal of H.sub.2 S from gas streams

Details Removal of H.sub.2 S from gas streams Removal of H.sub.2 S from gas streams

1988-10-17

1989-10-24

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

4235731, 4235765, 4235766, C01B 1716, C01B 3120

Patent

active

048760757

ABSTRACT:
A process and apparatus for the removal of H.sub.2 S from sour gaseous streams is disclosed in which the sour gaseous stream is contacted with an aqueous reactant solution containing solubilized iron chelates. The contacting is carried out in first and second contacting zones, the first being a continuous liquid phase mixture formation zone and the second comprising a plurality of contacting sections adapted to provide reaction of the H.sub.2 S in the sour gaseous stream with the iron in the contacting solution by producing an upwardly flowing continuous liquid phase mixture comprising sour gas dispersed in the aqueous reactant solution.

REFERENCES:
patent: 4741888 (1988-05-01), Fong et al.
patent: 4758416 (1988-07-01), Fong et al.

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