Sulfur separation process

Details Sulfur separation process Sulfur separation process

1981-11-18

1983-06-28

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423226, C01B 1704, B01D 5334

Patent

active

043905161

ABSTRACT:
A cyclic process for the removal of H.sub.2 S from gas streams is disclosed, the process being characterized by reaction of the H.sub.2 S to sulfur employing polyvalent metal reactant solutions, and by a novel sulfur recovery scheme. Sulfur recovery, either before or after regeneration, is accomplished by separation of the sulfur-containing admixture into lean and concentrated solutions, and by extracting the concentrated solution with a compound having the formula C.sub.n H.sub.2n+1 OH, wherein n is a number from 4 through 18.

REFERENCES:
patent: 3097925 (1963-07-01), Pitts et al.
patent: 4243648 (1961-01-01), Fenton

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