Method for treating dispersions of oleophilic liquids and water

Details Method for treating dispersions of oleophilic liquids and water Method for treating dispersions of oleophilic liquids and water

1988-07-18

1989-10-17

Spear, Frank

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210708, B01D 1704

Patent

active

048745286

ABSTRACT:
Dispersions of oil and similar liquids in water are clarified with separation of the oil and water phases by mixing the dispersion with a polymer dissolved in an oil miscible solvent in a manner such that contact between the polymer solution and dispersed oil droplets is achieved. The polymer must be soluble in the oil and must have a molecular weight sufficiently high to impart viscoelasticity to the resulting solution of polymer in solvent and oil. Thereafter, the oil and water phases are readily separated by settling and decantation, or by enhanced phase separation techniques such as centrifugation.

REFERENCES:
patent: 4190069 (1980-02-01), Krantz
patent: 4454047 (1984-06-01), Becker et al.
patent: 4720397 (1988-01-01), O'Mara et al.

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