Method for improving the quality of contaminated waste water

Details Method for improving the quality of contaminated waste water Method for improving the quality of contaminated waste water

1975-07-22

1977-03-15

Wyse, Thomas G.

Liquid purification or separation

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

Responsive to fluid flow

210 47, 210 52, 210 67, C02B 120

Patent

active

040123200

ABSTRACT:
An aqueous solution of an alkali metal silicate and a silicate setting agent containing polyvalent metal ions is mixed with waste material to convert the mixture into a consolidated stable earth-like material substantially insoluble in water. The material is pulverized and mixed with polluted waste water, with the mixture being maintained long enough for the pulverized material to react with pollutants in the waste water to reduce or remove them, following which the suspended solids in the water are separated from it, leaving the water improved in quality; that is, water that is materially less contaminated than before treatment.

REFERENCES:
patent: 1672584 (1928-06-01), Travers
patent: 2043458 (1936-06-01), Windecker et al.
patent: 2122074 (1938-06-01), Stevenson
patent: 2217466 (1940-10-01), Baylis
patent: 2234285 (1941-03-01), Schworm
patent: 2542743 (1951-02-01), Weymouth
patent: 3440166 (1969-04-01), Davis et al.
patent: 3837872 (1974-09-01), Conner
patent: 3841102 (1974-10-01), Cinner et al.

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