Electrochemical process for decomposing hydrogen sulfide to prod

Details Electrochemical process for decomposing hydrogen sulfide to prod Electrochemical process for decomposing hydrogen sulfide to prod

1997-08-19

1999-06-01

Gorgos, Kathryn

Electrolysis: processes, compositions used therein, and methods

Electrolytic synthesis

Preparing nonmetal element

205637, 4235731, 4235762, C25C 100, C25B 102, C01B 1702

Patent

active

059085452

ABSTRACT:
A process is described for decomposing hydrogen sulfide to produce hydrogen and sulfur. The process comprises mixing hydrogen sulfide with a volatile basic solution and introducing this mixture into an electrolytic cell having an anode and a cathode. By operation of this cell, hydrogen is formed at the cathode and a solution containing polysulfide is formed at the anode. The polysulfide-containing solution is separated and distilled to recover sulfur and the remaining volatile basic solution is recycled to be mixed with further hydrogen sulfide.

REFERENCES:
patent: 3249522 (1966-05-01), Bolmer
patent: 3409520 (1968-11-01), Bolmer
patent: 4765873 (1988-08-01), Chang et al.
patent: 4772366 (1988-09-01), Winnick
patent: 5019227 (1991-05-01), White et al.
patent: 5578189 (1996-11-01), Joshi
patent: 5705135 (1998-01-01), Deberry et al.

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