Sodium citrate and caustic as process aids for the extraction of bitumen from mined oil sands

A process for extracting bitumen from an oil sand ore having a fines content up to about 60% and a bitumen content higher than about 6% is provided, comprising mixing the oil sand ore with heated water to form an oil sand slurry; conditioning the oil sand slurry to form a conditioned oil sand slurry...

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Bibliographische Detailangaben
Hauptverfasser:	Gu Yong Joe, Long Jun
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 extracting bitumen from an oil sand ore having a fines content up to about 60% and a bitumen content higher than about 6% is provided, comprising mixing the oil sand ore with heated water to form an oil sand slurry; conditioning the oil sand slurry to form a conditioned oil sand slurry; introducing a dosage of sodium citrate to the process either prior to or during the mixing step, or prior to or during the conditioning step, or both; and introducing the conditioned oil sand slurry into a separation zone to form a bitumen froth and tailings.