Automatic pH control in a process for removal of hydrogen sulfid

Details Automatic pH control in a process for removal of hydrogen sulfid Automatic pH control in a process for removal of hydrogen sulfid

1985-12-06

1987-02-17

Doll, John

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

204129, C01B 1716, C01B 3120, C25B 102

Patent

active

046438866

ABSTRACT:
A method for removing hydrogen sulfide from a gaseous stream by contacting the gaseous stream with a polyvalent metal chelate present in an aqueous alkaline scrubbing solution including the regeneration of the polyvalent metal chelate in an electrolytic cell and automatic control of the pH of said aqueous alkaline scrubbing solution at about 7 to 9.

REFERENCES:
patent: 4436711 (1984-03-01), Olson
patent: 4436712 (1984-03-01), Olson
patent: 4436713 (1984-03-01), Olson
patent: 4436714 (1984-03-01), Olson
patent: 4443423 (1984-04-01), Olson
patent: 4443424 (1984-04-01), Olson

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