Apparatus for removal of fat, oil and grease from laundry wash w

Details Apparatus for removal of fat, oil and grease from laundry wash w Apparatus for removal of fat, oil and grease from laundry wash w

1993-10-25

1994-08-23

Wyse, Thomas

Liquid purification or separation

Constituent mixture variation responsive

210177, 2102212, 210320, C02F 124, B01D 17035

Patent

active

053404696

ABSTRACT:
Method and apparatus for removing impurities from a laundry wash effluent including the steps and means therefor of acidifying the solution, infusing a gas into the solution and coalescing the released contaminant droplets by means of baffle plates into droplets sufficient to achieve buoyancy with respect to the solution. The resulting top layer of buoyant droplets is skimmed from the solution and the remaining solution is adjusted to a neutral pH for discharge.

REFERENCES:
patent: 4198294 (1980-04-01), Deare
patent: 4316805 (1982-02-01), Faust et al.
patent: 4790943 (1988-12-01), Dunn et al.
patent: 4921613 (1990-05-01), Nordberg et al.

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