| 摘要 |
<p>A catalytic composition comprising a metal phthalocyanine composition of matter is prepared by reacting a 4-sulfophthalic acid with a metal salt, an ammonium donor and a phthalic anhydride or derivative thereof at 250 to 325.degree.C for one-half to ten hours. The catalytic composition of the present invention is a powerful oxidizing catalyst, especially suited for the catalyzing oxidation of mercaptan sulfur to disulfides. Mereaptan contamination of hydrocarbons is a prevailing problem in industry as mercaptans are present in natural gases, gasolines, kerosene and fuel oils. Mercaptans are objectionable because of their strong odors and their corrosiveness. The catalytic composition of the present invention appears different from the conventional phthalocyanine catalysts and is produced by a simpler and cleaner process.</p> |
