Treating a petroleum distillate with an alkanolamine hydroxide and a supported oxidation catalyst impregnated with polynuclear aromatic sulfonic acid

摘要

A process for treating a mercaptan-containing sour petroleum distillate is disclosed. The process comprises contacting the distillate with a supported mercaptan oxidation catalyst impregnated with a polynuclear aromatic sulfonic acid, said contacting being at oxidation conditions in the presence of an alkanolamine hydroxide.