Continuous process for the removal of hydrogen sulfide from a ga

Details Continuous process for the removal of hydrogen sulfide from a ga Continuous process for the removal of hydrogen sulfide from a ga

1985-12-06

1988-08-23

Doll, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C01B 1716, C01B 1702, C25B 100, C25B 102

Patent

active

047658738

ABSTRACT:
A process for removing hydrogen sulfide from a gaseous stream containing hydrogen sulfide by contacting said stream with an aqueous solution of ammonium hydroxide to produce ammonium sulfide; converting said ammonium sulfide to an ammonium polysulfide intermediate in an electrolytic cell at ambient temperature and pressure; and oxidizing said ammonium polysulfide to sulfur in a heating zone utilizing an oxygen containing gas sparge.

REFERENCES:
patent: 3249522 (1966-05-01), Bolmer
patent: 3409520 (1968-11-01), Bolmer
patent: 3627465 (1971-12-01), Hamblin
patent: 3715426 (1973-02-01), Hamblin
patent: 3728440 (1973-04-01), Hamblin
patent: 4038366 (1977-06-01), Fukuda et al.
patent: 4041129 (1977-08-01), Foster et al.
patent: 4342731 (1982-08-01), Ritter
patent: 4518572 (1985-05-01), Ritter

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