FIELD: oil industry.
SUBSTANCE: catalytic composition for oxidative demercaptanization of oil and oil products is proposed, which is an aqueous solution of a mixture of di- and tri-ammonium salts, cobalt di- and trisulfodichlorophthalocyanine - CoPcCl2(SO3NH4)2 and CoPcCl2(SO3NH4)3, where Рс is phthalocyanine with the following ratio of components, wt%: diammonium salt of disulfodichlorophthalocyanine cobalt 8.5-9.0, triammonium dichloride salt 0-1.5, water - the rest.
EFFECT: provided is development of a simple and effective catalytic composition containing a sufficiently high concentration of the cheapest ammonium salts of cobalt dichlorophthalocyanine sulfonic acids.
1 cl, 2 tbl, 1 ex
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