Process of separating fine solids from oil

Details Process of separating fine solids from oil Process of separating fine solids from oil

C - Chemistry, Metallurgy

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C10G 1/00 (2006.01) B01D 11/02 (2006.01) B01D 12/00 (2006.01) B01D 43/00 (2006.01) C10G 31/00 (2006.01) C10M 175/00 (2006.01)

Patent

CA 1169003

ABSTRACT OF THE DISCLOSURE: The present invention provides a process of separat- ing fine solids from oil in which the solids are dispersed, characterized in that the oil is treated with a combination of a compressed above-critical gas and an entraining agent at such temperature and such pressure that the system consisting of the oil, entraining agent and above-critical gas constitutes a single phase, the single-phase mixture of oil, entraining agent and above-critical gas is withdrawn from the solids, the separated single-phase mixture is heat- ed to decompose the mixture into an liquid phase rich in oil and a gas phase poor in oil, and/or the separated single-phase mixture is sufficiently pressure-relieved to decompose the mixture into a liquid phase rich in oil and a gas phase poor in oil.

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