Abstract: A process for treating a mercaptan-containing sour petroleum distillate is disclosed. The distillate is treated in contact with a solid composite prepared by impregnating high density activated charcoal particles with a metal phthalocyanine catalyst from an aqueous solution thereof.

Abstract: Disclosed is a catalyst and method for converting mercaptans and mercaptide compounds in aqueous alkaline solution to disulfides. Catalytic agent is a metal complex synthesized from 3,3',4,4'-benzophenonetetracarboxylic dianhydride and converted to either the alkali metal salt or to the acid form. The method for oxidizing the mercaptide compounds comprises contacting mercaptans and mercaptide compounds in aqueous alkaline solution with air in the presence of the catalyst and subsequently separating alkaline solution from the resultant disulfide compounds.

Abstract: An improved process for sweetening of sour hydrocarbons in a fixed bed treating process wherein the hydrocarbons containing mercaptans contact a phthalocyanine catalyst on charcoal in the presence of a basic medium and oxygen. The improvement is use of a tetra-alkyl guanidine to supply the basic medium, instead of the aqueous sodium hydroxide solution customarily used.

Abstract: A method of treating a sour petroleum distillate for the conversion of mercaptans contained therein is disclosed. The distillate is treated in contact with an oxidizing agent and a catalytic composite comprising a metal chelate mercaptan oxidation catalyst impregnated on a basic anion exchange resin.

Abstract: A catalytic composite comprising a metal chelate mercaptan oxidation catalyst and an alkanolamine hydroxide impregnated on a solid adsorptive support is disclosed.

Abstract: A catalytic composite comprising a metal chelate mercaptan oxidation catalyst and a quaternary ammonium salt impregnated on a solid adsorptive support is disclosed. The quaternary ammonium salt is represented by the structural formula ##STR1## wherein R is a hydrocarbon radical containing up to about 20 carbon atoms and selected from the group consisting of alkyl, cycloalkyl, aryl, alkaryl and aralkyl, R.sub.1 is a substantially straight-chain alkyl radical containing from about 5 to about 20 carbon atoms, R.sub.2 is selected from the group consisting of aryl, alkaryl, and aralkyl, and X is an anion selected from the group consisting of halide, nitrate, nitrite, sulfate, phosphate, acetate, citrate and tartrate. The catalytic composite is particularly adapted to the oxidation of mercaptans contained in a sour petroleum distillate.

Abstract: A process for treating a mercaptan-containing sour petroleum distillate is disclosed. The process comprises passing said distillate in admixture with an oxidizing agent through a fixed bed of a supported mercaptan oxidation catalyst at oxidation conditions in the presence of a quaternary ammonium hydroxide.

Abstract: 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.

Abstract: A catalytic composite comprising a solid adsorptive support impregnated with a polynuclear aromatic sulfonic acid and a metal phthalocyanine is disclosed. The catalytic composite is particularly useful as a catalyst of improved activity stability for the treatment of sour petroleum distillates.

Abstract: A process for treating a mercaptan-containing sour petroleum distillate is disclosed. The process comprises passing said distillate in admixture with an oxidizing agent through a fixed bed of a supported metal phthalocyanine catalyst in the presence of an alkanolamine hydroxide, e.g., ethanoltrimethylammonium hydroxide.

Abstract: Disclosed is a catalyst and method for converting mercaptans and mercaptide compounds in aqueous alkaline solution to disulfides. Catalytic agent is a metal complex synthesized from 3,3',4,4'-benzophenonetetracarboxylic dianhydride and converted to either the alkali metal salt or to the acid form. The method for oxidizing the mercaptide compounds comprises contacting mercaptans and mercaptide compounds in aqueous alkaline solution with air in the presence of the catalyst and subsequently separating alkaline solution from the resultant disulfide compounds.

Abstract: A catalytic process for converting mercaptans is disclosed. The catalyst, 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.degree. to 325.degree. C. for one-half to ten hours.

Abstract: A method of preparing a supported metal phthalocyanine catalyst. A solid adsorbent support or carrier material is impregnated with an alkali metal phthalocyanine solution and with a metal salt solution comprising a metal exchangeable with said alkali metal to form a desired metal phthalocyanine catalyst.

Abstract: A heavy hydrocarbonaceous oil is converted to lower boiling hydrocarbon products by treatment with hydrogen in the presence of a catalyst comprising a metal phthalocyanine and a particulate iron component.

Abstract: A catalytic hydroconversion process is effected by reacting with hydrogen a heavy hydrocarbonaceous oil containing a catalyst comprising an iron component and a catalytically active other metal component prepared by dissolving an oil soluble metal compound in the oil and converting the metal compound in the oil to the corresponding catalytically active metal component. Preferred oil soluble compounds are molybdenum compounds.

Abstract: A process is provided for removing hydrogen sulfide and alkyl mercaptans from fluid streams by reaction with oxygen in the presence of a metal amino acid chelate in aqueous solution containing an amine, converting hydrogen sulfide to sulfur and alkyl mercaptans to dialkyl disulfides, and separating these from the aqueous metal chelate solution.A process is also provided for removing hydrogen sulfide and alkyl mercaptans from fluid streams in which the gaseous or liquid stream is dispersed in aqueous metal chelate solution in a fine dispersion short of foam formation and passed through a reaction zone at a high flow velocity, where hydrogen sulfide is catalytically oxidized to sulfur, and alkyl mercaptans to dialkyl disulfides, and then into a relatively wide quiescent zone where the dispersion breaks, the gases are separated, and the metal chelate solution recovered.

Abstract: A process is disclosed for the conversion of mercaptan compounds in a petroleum distillate which comprises contacting the petroleum distillate with caustic possessing a pH of from about 8 to a pH of about 10 to extract naphthenic acids, passing the naphthenic acid-free petroleum distillate to a charcoal bed to extract catalyst-toxin precursors and treating the resultant substantially toxin-precursor free petroleum distillate with an oxygen-containing gas atmosphere in the presence of a catalyst comprising a metal phthalocyanine compound dispersed on a solid support in a treatment medium possessing a pH of from about 9 to a pH of about 14.

Abstract: A process is disclosed which comprises the oxidation of sulfur-containing compounds by treating said sulfur-containing compounds with an oxygen-containing gas in a medium possessing a pH in a range of from about a pH of 8 to a pH of about 14 in the presence of a catalyst system comprising a Group VIIB metal phthalocyanine and a Group VIII metal phthalocyanine.