Process for working-up hydrogen sulphide-containing gases

Details Process for working-up hydrogen sulphide-containing gases Process for working-up hydrogen sulphide-containing gases

1977-03-07

1981-04-21

Peters, G. O.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423226, 423574R, C01B 1704

Patent

active

042632706

ABSTRACT:
Process for the work-up of hydrogen-sulfide containing gases which are normally subjected to Claus process, reduction, absorption, and desorption, characterized in that a portion of the feed gases by-passes the Claus unit and is processed in a CO.sub.2 -selective secondary absorption-desorption procedure.

REFERENCES:
patent: 3436611 (1969-08-01), Haritatos et al.
patent: 3989811 (1976-11-01), Hill
patent: 4001386 (1977-01-01), Klein et al.
patent: 4025322 (1977-05-01), Fisch
Meison et al., "Hydrocarbon Processing", Nov. 1974, pp. 171-174.

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