B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/48 (2006.01) B01D 53/52 (2006.01)
Patent
CA 2240820
A method and composition for the removal of sulfides from gaseous streams. The method includes contacting the sulfide-containing gas stream with an aqueous scavenging mixture which includes a scavenging 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. A scavenging compound consisting of the reaction product between an aldehyde and an amine is also provided.
On décrit un procédé ainsi qu'une composition destinés à enlever des sulfures de courants gazeux. Ce procédé consiste à mettre en contact le courant gazeux contenant les sulfures avec un mélange aqueux d'élimination, lequel comporte un composé d'élimination, un ion inorganique ainsi qu'un catalyseur d'oxydation, puis à régénérer au moins une portion du composé d'élimination à l'aide d'un gaz contenant de l'oxygène, et enfin à renvoyer au moins une portion du mélange d'élimination aqueux vers la zone de mise en contact. On décrit également un composé d'élimination consistant en un produit de réaction entre un aldéhyde et une amine.
Caglar Muge
Trauffer Edward A.
Fetherstonhaugh & Co.
Quaker Chemical Corporation
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