Development of Unique Catalysts for Hydrodenitrogenation of Coal-Derived Liquids. Annual Report, September 15, 1979-September 15, 1980

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Hydrodenitrogenation of quinoline and decahydroquinoline has been studied employing several catalysts: Bronsted and Lewis acid catalysts without metal, and silica-alumina, ..gamma..-alumina and magnesia impregnated with molybdenum, tungsten, nickel or cobalt. Our results show that nitrogen removal rate was highest for molybdenum on alumina and tungsten on silica-alumina or alumina catalysts. Nitrogen abstraction using ..gamma..-alumina support is considerably faster than with magnesia support. Several catalysts have been prepared and tested, with the emphasis on understanding the role of acidity in the carbon-nitrogen bond scission reaction. Hydrodenitrogenation of quinoline has been studied by using Ni,Mo/chlorided or fluorided alumina catalysts, with various halide … continued below

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Pages: 167

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Katzer, James R.; Stiles, Alvin B. & Kwart, Harold December 15, 1980.

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Hydrodenitrogenation of quinoline and decahydroquinoline has been studied employing several catalysts: Bronsted and Lewis acid catalysts without metal, and silica-alumina, ..gamma..-alumina and magnesia impregnated with molybdenum, tungsten, nickel or cobalt. Our results show that nitrogen removal rate was highest for molybdenum on alumina and tungsten on silica-alumina or alumina catalysts. Nitrogen abstraction using ..gamma..-alumina support is considerably faster than with magnesia support. Several catalysts have been prepared and tested, with the emphasis on understanding the role of acidity in the carbon-nitrogen bond scission reaction. Hydrodenitrogenation of quinoline has been studied by using Ni,Mo/chlorided or fluorided alumina catalysts, with various halide concentrations. Preliminary results from this study indicate that halogenation of ..gamma..-alumina catalysts slightly enhanced the hydrogenolysis activity but showed little effect on the hydrogenation activity. Initial results from phenothiazine hydroprocessing show that carbon-sulfur bonds in the reactant are broken much faster than the carbon-nitrogen bonds. Data relevant to this reaction are being evaluated, utilizing kinetic analysis to give quantitative rates of C-N and C-S bond scission and the extents and rates of hydrogenation. Note: this report contains 5th, 6th, 7th and 8th quarterly reports.

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Pages: 167

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NTIS, PC A08/MF A01.

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  • December 15, 1980

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Thumbnail image of item number 1 in: 'Development of Unique Catalysts for Hydrodenitrogenation of Coal-Derived Liquids. Annual Report, September 15, 1979-September 15, 1980'.
Thumbnail image of item number 2 in: 'Development of Unique Catalysts for Hydrodenitrogenation of Coal-Derived Liquids. Annual Report, September 15, 1979-September 15, 1980'.
Thumbnail image of item number 3 in: 'Development of Unique Catalysts for Hydrodenitrogenation of Coal-Derived Liquids. Annual Report, September 15, 1979-September 15, 1980'.
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Katzer, James R.; Stiles, Alvin B. & Kwart, Harold. Development of Unique Catalysts for Hydrodenitrogenation of Coal-Derived Liquids. Annual Report, September 15, 1979-September 15, 1980, report, December 15, 1980; Newark, Delaware. (https://digital.library.unt.edu/ark:/67531/metadc1184544/: accessed March 15, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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