Process for the removal of hydrogen sulfide from gas mixtures

Details Process for the removal of hydrogen sulfide from gas mixtures Process for the removal of hydrogen sulfide from gas mixtures

1979-12-03

1981-06-30

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423225, 423232, 423234, 423220, B01D 5334

Patent

active

042762715

ABSTRACT:
An aqueous solution of a zinc salt is used to selectively remove hydrogen sulfide from a gas mixture. An insoluble basic zinc compound is added to the solution to regenerate, or replenish, the salt. A dispersant is added to both decrease the surface tension of the liquid and reduce the degree of hydration of the basic compound, thereby retarding significantly the agglomeration, settling and loss of the basic zinc compound.

REFERENCES:
patent: 2215754 (1940-09-01), Headlee
patent: 2378689 (1945-06-01), Collins
patent: 2641527 (1953-06-01), Leutz
patent: 3957674 (1976-05-01), Sano et al.
The Merck Index, Merck Co., Inc. Rahway, N.J. 8th Ed. 1968, p. 960.

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