Method for separating immiscible liquid

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

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210708, 210741, 210744, 210787, 210804, C02F 124

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active

052981673

ABSTRACT:
An apparatus and a method are disclosed for separating a first fluid from a second fluid wherein the first fluid is lighter than the second fluid and the first fluid is immiscible with the second fluid. A first portion of the first fluid is separated from a mixture containing the first and second fluids in a gravity separator. The remaining mixture flows to a hydrocyclone where a second portion of the first fluid is separated from the remaining mixture. The underflow from the hydrocyclone which includes most of the second fluid and the remaining portion of the first fluid flows to a second gravity separator without substantial pressure reduction to avoid shearing of the droplets of the first fluid. In the second gravity separator a third portion of the first fluid is removed.

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