Method of purification of waste water by treatment with zirconiu

Details Method of purification of waste water by treatment with zirconiu Method of purification of waste water by treatment with zirconiu

1976-08-09

1978-01-03

Wyse, Thomas G.

Liquid purification or separation

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

Responsive to fluid flow

C02C 504, C02B 120

Patent

active

040665429

ABSTRACT:
The present invention refers to a method of purification of waste water from chemical pulping and paper mills comprising coagulate and precipitate suspended substances and colloidal dispersed particles, and precipitation of non-colloidal dissolved, low molecular weight substances in the waste water and form water insoluble precipitates or chelates thereof, and further to a method of purification of waste water of any source by the use of zirconium salt.

REFERENCES:
patent: 1173698 (1916-02-01), Block
patent: 2204812 (1940-06-01), Muskat
patent: 2903335 (1959-09-01), Seaborg et al.
patent: 2917359 (1959-12-01), Davies
patent: 3730886 (1976-05-01), Ahrand et al.
patent: 3997439 (1976-12-01), Ayukawa

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