COMPOSITION FOR PASSIVATING VANADIUM IN CATALYTIC CRACKING AND PREPARATION THEREOF

DISCLOSED IS A VANADIUM TRAP FOR USE IN FCC WHICH COMPRISES A MAJOR AMOUNT OF CALCINED KAOLIN CLAY, FREE MAGNESIUM OXIDE AND AN IN SITU FORMED MAGNESIUM SILICATE CEMENT BINDER. ALSO DISCLOSED ARE PROCEDURES FOR THE PREPARATION OF THE TRAP BY FORMING A SLURRY IN WATER OF HYDROUS KAOLIN CLAY, MAGNESIU...

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Hauptverfasser:	MICHEL DEEBA, JOHN M MACAOAY, PAUL R SUITCH, ROLAND VON BALLMOOS
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF CRACKING HYDROCARBON OILS FUELS INORGANIC CHEMISTRY LUBRICANTS METALLURGY MINERAL WAXES NON-METALLIC ELEMENTS 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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Zusammenfassung:	DISCLOSED IS A VANADIUM TRAP FOR USE IN FCC WHICH COMPRISES A MAJOR AMOUNT OF CALCINED KAOLIN CLAY, FREE MAGNESIUM OXIDE AND AN IN SITU FORMED MAGNESIUM SILICATE CEMENT BINDER. ALSO DISCLOSED ARE PROCEDURES FOR THE PREPARATION OF THE TRAP BY FORMING A SLURRY IN WATER OF HYDROUS KAOLIN CLAY, MAGNESIUM OXIDE OR MAGNESIUM HYDROXIDE AND SODIUM SILICATE, AGING THE SLURRY TO FORM MAGNESIUM SILICATE INSITU, OPTIONALLY ADDING ADDITIONAL KAOLIN, COLLOIDAL SILICA OR BOTH, SPRAY DRYING, AND CALCINING THE RESULTING SPRAY DRIED MICROPHERES WITHOUT FORMING APPRECIABLE AMOUNTS OF CRYSTALLINE MAGNESIUM SOLICATES OR CRYSTALLINE MAGNESIUM ALUMINATES.