Regenerative method for removing sulfides from gas streams
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United States of America Patent
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Dec 16, 1997
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N/A
app pub date -
Jan 10, 1996
filing date -
Jan 10, 1996
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Abstract
streams. The method includes contacting the sulfide-containing gas stream with an aqueous scavenging mixture which includes a scavenging compound, that is a product of reaction between an aldehyde and a nitrogen compound, an inorganic ion and an oxidation catalyst: regenerating at least a portion of the scavenging compound with an oxygen-containing gas and returning at least a portion of the aqueous scavenging mixture to the contacting zone.
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