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

1975-12-22

1978-06-27

Wyse, Thomas G.

Liquid purification or separation

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

Responsive to fluid flow

210 53, C02C 504, C02B 120

Patent

active

040973778

ABSTRACT:
The present invention relates to a method of purification of waste water from chemical pulping and paper mills comprising coagulation and precipitation of suspended substances and colloidal dispersed particles, precipitation of non-colloidal dissolved, low molecular weight substances in the waste water and formation of water insoluble precipitates or chelates thereof, and further to a method of purification of waste water of any source of 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), Ahrland et al.
patent: 3997439 (1976-12-01), Ayukawa

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