Process for increasing Bright Stock raffinate oil production

A process for increasing the production of Bright Stock oil in a lube oil process scheme. Aromatic extract oil, after being separated from the extraction solvent, is recycled back to the deasphalter unit and combined with a vacuum residuum in 10-20 LV %, based on the total deasphalter feed, prior to...

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Bibliographische Detailangaben
Hauptverfasser:	BRISTOW, DUNCAN J, ACHIA, BIDDANDA U, EVERS, LAWRENCE J
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:	A process for increasing the production of Bright Stock oil in a lube oil process scheme. Aromatic extract oil, after being separated from the extraction solvent, is recycled back to the deasphalter unit and combined with a vacuum residuum in 10-20 LV %, based on the total deasphalter feed, prior to deasphalting. After deasphalting and aromatics extraction the absolute yield of raffinate is increased.