Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1988-01-05
1989-09-26
Wyse, Tom
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210774, 210790, 210799, 210806, 208187, B01D 1704
Patent
active
048698300
ABSTRACT:
A method and system for reducing the oil concentration of a produced, hydrocarbon-containing fluid to no more than about 10 ppm and softening the deoiled fluid to reduce scale-forming constituents. The method and system are capable of treating fluids having temperatures within the range from approximately 120.degree. C. to approximately 160.degree. C., without the need for cooling the fluid to perform either the deoiling step or the softening step. In a preferred embodiment, the deoiling step is performed by first filtering the hot fluid in a first set of coalescing filters and then in a second, identical set of coalescing filters, and the softening step is performed in a thermal softening unit wherein steam is directly sparged into the deoiled fluid in a reaction zone under pressure sufficient to prevent boiling at the reaction zone temperature.
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Bridle Michael K.
Konak A. Riza
Exxon Production Research Company
O'Niell Herbert E.
Wyse Tom
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