Hydrogenation of Tetralin over Ir-Containing Mesoporous Catalysts
A new series of catalysts based on noble metals have been prepared with the main aim of obtaining thiotolerant catalysts to be used in second-stage processes of mild hydrotreating. We studied the catalytic properties of 1 wt % Ir-containing mesoporous materials in the hydrogenation of tetralin to de...
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| Veröffentlicht in: | Industrial & engineering chemistry research 2012-05, Vol.51 (21), p.7185-7195 |
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| container_title | Industrial & engineering chemistry research |
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| creator | Vallés, Verónica A Balangero Bottazzi, Gerardo S Martínez, María L Costa, Marcos B. Gómez Anunziata, Oscar A Beltramone, Andrea R |
| description | A new series of catalysts based on noble metals have been prepared with the main aim of obtaining thiotolerant catalysts to be used in second-stage processes of mild hydrotreating. We studied the catalytic properties of 1 wt % Ir-containing mesoporous materials in the hydrogenation of tetralin to decalin, in the presence of 100 ppm of dibenzotiophene at 250 °C and 15 atm pressure of hydrogen, using a Parr reactor. Ir/mesoporous materials were prepared by wetness impregnation, using iridium acetylacetonate as the source of Ir. The Ir/SBA-3 catalyst synthesized by us had a high activity in tetralin hydrogenation under mild conditions. The experimental data were quantitatively represented by a modified Langmuir–Hinshelwood-type rate equation. The preliminary results reveal that these materials are promising catalyts for HDS/HDN reactions. |
| doi_str_mv | 10.1021/ie202727r |
| format | Article |
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Gómez</creatorcontrib><creatorcontrib>Anunziata, Oscar A</creatorcontrib><creatorcontrib>Beltramone, Andrea R</creatorcontrib><title>Hydrogenation of Tetralin over Ir-Containing Mesoporous Catalysts</title><title>Industrial & engineering chemistry research</title><addtitle>Ind. Eng. Chem. Res</addtitle><description>A new series of catalysts based on noble metals have been prepared with the main aim of obtaining thiotolerant catalysts to be used in second-stage processes of mild hydrotreating. We studied the catalytic properties of 1 wt % Ir-containing mesoporous materials in the hydrogenation of tetralin to decalin, in the presence of 100 ppm of dibenzotiophene at 250 °C and 15 atm pressure of hydrogen, using a Parr reactor. Ir/mesoporous materials were prepared by wetness impregnation, using iridium acetylacetonate as the source of Ir. The Ir/SBA-3 catalyst synthesized by us had a high activity in tetralin hydrogenation under mild conditions. The experimental data were quantitatively represented by a modified Langmuir–Hinshelwood-type rate equation. The preliminary results reveal that these materials are promising catalyts for HDS/HDN reactions.</description><subject>Applied sciences</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Catalytic reactions</subject><subject>Chemical engineering</subject><subject>Chemistry</subject><subject>Decalin</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Hydrogenation</subject><subject>Iridium</subject><subject>Mathematical analysis</subject><subject>Noble metals</subject><subject>Reactors</subject><subject>Theory of reactions, general kinetics. Catalysis. 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| subjects | Applied sciences Catalysis Catalysts Catalytic reactions Chemical engineering Chemistry Decalin Exact sciences and technology General and physical chemistry Hydrogenation Iridium Mathematical analysis Noble metals Reactors Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Wetness |
| title | Hydrogenation of Tetralin over Ir-Containing Mesoporous Catalysts |
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