Catalytic composite for sweetening of sour petroleum distillate

Details Catalytic composite for sweetening of sour petroleum distillate Catalytic composite for sweetening of sour petroleum distillate

B - Operations, Transporting

01

J

252/1, 196/212

B01J 31/16 (2006.01) C10G 27/10 (2006.01)

Patent

CA 1333590

A catalytic composite effective in oxidizing mercaptans contained in a sour petroleum distillate to disulfides comprises a metal chelate, an onium compound and optionally an alkali metal hydroxide. The onium compound may be selected from the group consisting of phosphonium, arsonium, stibonium, oxonium and sulfonium compounds, with phosphonium, oxonium and sulfonium compounds preferred. Additionally, metal phthalocyanines are a preferred class of metal chelates. An improved process for treating a sour petroleum distillate comprises using the catalytic composite described above to contact the sour petroleum distillate in the presence of an oxidizing agent at treating conditions.

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