Process for clarifying water

Details Process for clarifying water Process for clarifying water

1977-05-27

1980-08-05

Wyse, Thomas G.

Liquid purification or separation

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

Responsive to fluid flow

210 52, C02B 120

Patent

active

042160863

ABSTRACT:
The use of fusion-formed compounds of polyvalent cations with aluminate, alumino-borate and -ferrite anions has been found to provide improved clarification methods for settling aqueous suspensions of solids. The use of these materials has been found to be more effective than the use of the corresponding conventional mono-valent cation compounds. A particularly effective form of these clarifying agents is obtained when the preparation thereof is carried out by high temperature methods, which brings about the incipient or actual fusion of the materials. Recycling of the once-used clarifying agents is possible when using these materials, especially when the flocculated solids are incinerated during the ultimate disposal step.

REFERENCES:
patent: 1604125 (1926-10-01), Kern
patent: 1620332 (1927-03-01), Evans
patent: 1872262 (1932-08-01), Evans
patent: 1916697 (1933-07-01), Stohr
patent: 2310009 (1943-02-01), Baker et al.
patent: 2452041 (1948-10-01), Elmore
patent: 3101317 (1963-08-01), Starry
patent: 3285849 (1966-11-01), Watanabe et al.
patent: 3627679 (1971-12-01), Fuller
patent: 3827984 (1974-08-01), Kawert
patent: 3909406 (1975-09-01), Lang

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