Sulfur recovery system

Details Sulfur recovery system Sulfur recovery system

1988-08-24

1990-04-03

Russel, Jeffrey E.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

422189, 423574R, C01B 1704, B01J 804

Patent

active

049136372

ABSTRACT:
Sulfur species are removed from a Claus plant tail gas stream by contacting with zinc oxide in the presence of sufficient reducing equivalents for conversion of sulfur compounds to hydrogen sulfide. In another aspect, sulfur compounds are converted to hydrogen sulfide prior to contacting with zinc oxide.

REFERENCES:
patent: 4044114 (1977-08-01), Dezael et al.
patent: 4088736 (1978-05-01), Courty et al.
patent: 4462977 (1984-07-01), Reed
patent: 4487754 (1984-12-01), Reed
patent: 4507275 (1985-03-01), Reed
patent: 4533529 (1985-08-01), Lee
patent: 4793976 (1988-12-01), Lee
Unit Processes and Principles of Chemical Engineering, Olsen Van Nostrand Co., Inc., 1932, pp. 1-3.
Lauer et al., Chemical Engineering Techniques, Reinhold Publishing Corp., 1952, pp. 220-222.

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