Gradient-loaded oil product hydrodearsenification catalyst and preparation method thereof

The invention discloses a gradient-loaded oil product hydrodearsenification catalyst and a preparation method thereof. The preparation method comprises the following steps: preparing a stable dispersion impregnation component A-1 from an organic complexing agent I, a pore-enlarging auxiliary agent I...

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Hauptverfasser:	LIU KUNHONG, ZHANG RAN, JU YANA, ZHANG YALIN, SONG SHAOTONG, LI YANG, WANG JIAYI, XU HUA, LYU ZHONGWU, WANG YAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	The invention discloses a gradient-loaded oil product hydrodearsenification catalyst and a preparation method thereof. The preparation method comprises the following steps: preparing a stable dispersion impregnation component A-1 from an organic complexing agent I, a pore-enlarging auxiliary agent II, an auxiliary active component IV containing group VIB metals and deionized water; preparing an organic complexing agent I, a pore-enlarging auxiliary agent III and deionized water into a stable dispersion impregnation component A-2; dissolving a component X1 containing group VIII metal in the stable dispersion impregnation component A-1 to form a stable complexation impregnation liquid B-1; dissolving a component X2 containing group VIII metal in the stable dispersion impregnation component A-2 to form a stable complexation impregnation liquid B-2; impregnating the porous carrier Z with the stable complexing impregnation liquid B-1 to obtain a catalyst C1; impregnating the catalyst C1 with the stable complexing