Process and apparatus for waste water treatment

Details Process and apparatus for waste water treatment Process and apparatus for waste water treatment

1991-04-17

1993-05-11

Silverman, Stanley S.

Liquid purification or separation

Recirculation

Serially connected distinct treating or storage units

210197, 210207, 210220, 210534, 210260, 134111, 134200, B01D 2102

Patent

active

052098435

ABSTRACT:
The present invention relates to method and apparatus for treating waste water, particularly metal-containing waste water. The process includes separating and removing metals and other impurities from the waste water by the sequential addition of a base, a polyelectrolyte and an acrylamide-containing copolymer dispersion. The purified water is recycled for continuous reuse while the small quantities of metal-rich residue are available for reclamation.

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