HETEROCYCLIC NITROGEN REMOVAL FROM PETROLEUM OILS

HETEROCYCLIC NITROGEN REMOVAL FROM PETROLEUM OILS Process for the removal of heterocyclic nitrogen compounds from a petroleum oil, which comprises treating a petroleum oil rich in heterocyclic nitrogen compounds in an extraction zone with an extractant comprising an aqueous solution of a carboxylic...

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Hauptverfasser:	MADGAVKAR, AJAY M, WASHECHECK, DON M
Format:	Patent
Sprache:	eng ; fre
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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Zusammenfassung:	HETEROCYCLIC NITROGEN REMOVAL FROM PETROLEUM OILS Process for the removal of heterocyclic nitrogen compounds from a petroleum oil, which comprises treating a petroleum oil rich in heterocyclic nitrogen compounds in an extraction zone with an extractant comprising an aqueous solution of a carboxylic acid to yield a first extraction stream comprising a petroleum oil with a lean content of heterocyclic nitrogen compounds and a second extraction stream comprising an aqueous phase containing the carboxylic acid and having an increased content of heterocyclic nitrogen compounds, and subjecting at least part of the first extraction stream to a catalytic hydrotreatment in the presence of hydrogen and a hydrotreatment catalyst.