JP2892390B
PURPOSE:To efficiently and uniformly distribute Ru and/or Pt from the surface of a catalyst toward the interior by dissolving an Ru compd. and/or a Pt compd. in an ethanol-water mixture having a certain ethanol content or above. CONSTITUTION:When a catalyst supporting groups VI and VIII metals of th...
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| creator | SHIRAISHI KATSUZO KAMO TETSUO YAMAGUCHI TOSHIO KANEHARA NAOTO |
| description | PURPOSE:To efficiently and uniformly distribute Ru and/or Pt from the surface of a catalyst toward the interior by dissolving an Ru compd. and/or a Pt compd. in an ethanol-water mixture having a certain ethanol content or above. CONSTITUTION:When a catalyst supporting groups VI and VIII metals of the periodic table is produced, a soln. prepd. by dissolving an Ru compd. and/or a Pt compd. in an ethanol-water mixture having >=50% ethanol content is used as a soln. to be impregnated. This soln. is impregnated into a catalyst and this catalyst is dried and calcined or dried and/or calcined and subjected to proper reduction treatment to obtain a hydrogenation catalyst. Since the viscosity of the soln. is lowered and the affinity of Ru and/or Pt for the catalyst is reduced, Ru and/or Pt is uniformly dispersed even in the interior of the catalyst and high activity is ensured. |
| format | Patent |
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CONSTITUTION:When a catalyst supporting groups VI and VIII metals of the periodic table is produced, a soln. prepd. by dissolving an Ru compd. and/or a Pt compd. in an ethanol-water mixture having >=50% ethanol content is used as a soln. to be impregnated. This soln. is impregnated into a catalyst and this catalyst is dried and calcined or dried and/or calcined and subjected to proper reduction treatment to obtain a hydrogenation catalyst. 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CONSTITUTION:When a catalyst supporting groups VI and VIII metals of the periodic table is produced, a soln. prepd. by dissolving an Ru compd. and/or a Pt compd. in an ethanol-water mixture having >=50% ethanol content is used as a soln. to be impregnated. This soln. is impregnated into a catalyst and this catalyst is dried and calcined or dried and/or calcined and subjected to proper reduction treatment to obtain a hydrogenation catalyst. Since the viscosity of the soln. is lowered and the affinity of Ru and/or Pt for the catalyst is reduced, Ru and/or Pt is uniformly dispersed even in the interior of the catalyst and high activity is ensured.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR RELEVANT APPARATUS TRANSPORTING |
| title | JP2892390B |
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