PARAFFINIC FROTH TREATMENT
Described is a process comprising: a) adding a bitumen froth comprising bitumen, water, and solids to a froth settling unit (FSU); b) following settling in the FSU, producing a first hydrocarbon-rich overflow and a first solids-rich underflow from the FSU; c) passing the solids-rich underflow to a f...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | Described is a process comprising: a) adding a bitumen froth comprising bitumen, water, and solids to a froth settling unit (FSU); b) following settling in the FSU, producing a first hydrocarbon-rich overflow and a first solids-rich underflow from the FSU; c) passing the solids-rich underflow to a froth settling unit (FSU-2), and following settling in the FSU-2, forming a second hydrocarbon-rich overflow and a second solids-rich underflow; d) adding the second hydrocarbon-rich overflow to the FSU; e) adding a first paraffinic solvent to the second hydrocarbon-rich overflow; and f) adding a second paraffinic solvent to the first solids-rich underflow. |
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