Removal of hydrogen sulfide from air streams

Details Removal of hydrogen sulfide from air streams Removal of hydrogen sulfide from air streams

B - Operations, Transporting

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D

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B01D 53/34 (2006.01) B01D 53/02 (2006.01) B01D 53/30 (2006.01) B01D 53/52 (2006.01) C01C 1/20 (2006.01)

Patent

CA 1257458

ABSTRACT OF THE DISCLOSURE A process for removing hydrogen sulfide present in an oxygen containing gas stream comprising: a) detecting and measuring the concentration of hydrogen sulfide in the gas; b) adding ammonia to the gas in an amount effective for the removal of the hydrogen sulfide from said gas without the concomitant formation of solid ammonium polysulfide; and c) passing the ammonia containing gas through a bed of activated carbon.

514430

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