CATALYTIC CRACKING OF HYDROCARBONS

Metals such as nickel, vanadium and iron contaminating a cracking catalyst are passivated by contacting tha contaminated catalyst with a passivating agent dissolved in a secondary feedstock stream having a temperature sufficiently low to avoid or minimize decomposition of the passivating agent until...

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Bibliographische Detailangaben
Hauptverfasser:	MCKAY DWIGHT LAMAR, BERTUS B
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PETROLEUM, GAS OR COKE INDUSTRIES 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
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Beschreibung
Zusammenfassung:	Metals such as nickel, vanadium and iron contaminating a cracking catalyst are passivated by contacting tha contaminated catalyst with a passivating agent dissolved in a secondary feedstock stream having a temperature sufficiently low to avoid or minimize decomposition of the passivating agent until the contacting of said cracking catalyst with said passivating agent.