Process for reclaiming oil/water emulsion

Details Process for reclaiming oil/water emulsion Process for reclaiming oil/water emulsion

1991-10-17

1992-08-11

Sever, Frank

Compositions

Inorganic luminescent compositions

Tungsten containing

210652, B01D 6114

Patent

active

051376547

ABSTRACT:
A process (50) is provided that operates to convey a contaminated oil/water emulsion metalworking fluid (2) under pressure through an ultrafilter membrane (12) to separate a substantial amount of oil (14) therefrom that is then emulsified with a predetermined amount of water having an electrical volume resistivity of at least about 3000 ohm-cm to provide a reconditioned oil/water emulsion for use as a metalworking fluid.

REFERENCES:
patent: 4016076 (1977-04-01), Lefeure
patent: 4728410 (1988-03-01), Renzler
patent: 4778614 (1987-10-01), Rawlinson et al.
patent: 4822507 (1989-04-01), Kauamori et al.
patent: 4846976 (1987-04-01), Ford
Lubrication Engineering, vol. 47,8, pp. 653-659 and 686-690 Aug. 1991.

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