Catalyst and method of manufacture and use thereof

Details Catalyst and method of manufacture and use thereof Catalyst and method of manufacture and use thereof

C - Chemistry, Metallurgy

07

D

252/45, 252/52.D

C07D 487/22 (2006.01) B01J 31/18 (2006.01) C09B 47/04 (2006.01) C09B 47/06 (2006.01) C09B 47/24 (2006.01) C10G 27/10 (2006.01)

Patent

CA 1103241

ABSTRACT OF THE DISCLOSURE 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°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 di- sulfides. Mereaptan contamination of hydrocarbons is a pre- vailing 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 corrosive- ness. The catalytic composition of the present invention appears different from the conventional phthalocyanine catalysts and is produced by a simpler and cleaner process.

271247

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