Zeolitic catalytic cracking catalysts

There is provided a method for increasing the catalytic cracking activity, selectivity and attrition resistance of a crystalline aluminosilicate containing catalytic cracking catalyst by treating the catalyst at a temperature above about 1300 DEG F. and below the thermal destructive temperature of t...

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Hauptverfasser:	YOUNGBLOOD, DOUGLAS J, COLVERT, JAMES H, NELSON, GERALD V
Format:	Patent
Sprache:	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:	There is provided a method for increasing the catalytic cracking activity, selectivity and attrition resistance of a crystalline aluminosilicate containing catalytic cracking catalyst by treating the catalyst at a temperature above about 1300 DEG F. and below the thermal destructive temperature of the crystalline aluminosilicate in the absence of steam. The above treatment provides an improved catalytic cracking catalyst for utilization in the cracking of a hydrocarbon charge under catalytic cracking conditions.