Method and apparatus for recovering liquid and solid constituent

Details Method and apparatus for recovering liquid and solid constituent Method and apparatus for recovering liquid and solid constituent

1977-06-24

1979-11-27

Spear, Jr., Frank A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 48, 210 58, 210 73R, 210137, 210170, 210188, 210259, 210433M, B01D 3100, B01D 1300

Patent

active

041760573

ABSTRACT:
Water, such as the effluent from cooling towers, boilers, waste streams of industrial plants, hydrometallurgical processes or other sources of water solutions containing sparingly soluble solids is efficiently separated into its aqueous and solid constituents by reverse osmosis and chemical treatments effective to achieve a zero discharge of effluent and a minimum volume of sludge or a recovery of valuable solids.

REFERENCES:
patent: 3677405 (1972-07-01), Keith, Jr.
patent: 3795609 (1974-03-01), Hill et al.
patent: 3956114 (1976-05-01), Del Pico et al.
patent: 4036749 (1977-07-01), Anderson
"Reverse Osmosis Membrane Regeneration", from OSW R & D Report #471, 80 pp., pp. 1, 2, 34-37, 54-59.

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