Liquid/liquid catalytic sweetening process

Details Liquid/liquid catalytic sweetening process Liquid/liquid catalytic sweetening process

C - Chemistry, Metallurgy

10

G

196/214

C10G 27/10 (2006.01) C07D 487/22 (2006.01) C10G 21/20 (2006.01)

Patent

CA 2016416

"IMPROVED LIQUID/LIQUID CATALYTIC SWEETENING PROCESS" ABSTRACT A liquid/liquid sweetening process for catalytically oxidizing mercaptans in a sour hydrocarbon fraction is improved by the addition of a quaternary ammonium compound to the alkaline solution which contains a metal chelate catalyst such as a metal phthalocyanine and which in combination with an oxidizing agent has been used in the prior art as the sweetening agent. A preferred type of quaternary ammonium compound is a surfactant quaternary ammonium compound. A synergistic effect between the quaternary ammonium compound and the metal chelate is observed.

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