A method for converting the mercaptans in disulfides having a erdoel distillation charging

摘要

A process is disclosed for the conversion of a petroleum distillate charge stock containing mercaptan, olefinic and dienic compounds comprising the treatment of said petroleum distillate in an atmosphere of an oxygen-containing gas in a medium possessing a pH of from about a pH of 8 to about a pH of 14 in the presence of a catalyst comprising a 4,4',4'',4'''-cobalt phthalocyanine tetrasulfonate.