Method for flocculating finely divided solids suspended in nonpo

Details Method for flocculating finely divided solids suspended in nonpo Method for flocculating finely divided solids suspended in nonpo

1993-09-16

1995-09-05

Hruskoci, Peter A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

8141, 208180, 210729, 210735, 585864, B01D 2101

Patent

active

054476380

ABSTRACT:
A method for flocculating finely divided particles suspended in nonpolar liquids, thereby facilitating the removal of these particles by sedimentation or filtration, by treating the contaminated nonpolar liquids with from about 0.01% to about 5% by weight of a flocculant comprising a water soluble organic compound having a cationic quaternary nitrogen or ammonium group. The flocculants useful in the method of the invention are desirably miscible or dispersible in the nonpolar liquid, and a carrier solvent or surfactant may be used to improve dispersibility of the flocculant.

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Perry's Chemical Engineers' Handbook 4th Ed.
"Flocculation In Solvents", prepared by NERAC, Inc., Apr. 19, 1993.

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