Process and apparatus for obtaining a more concentrated solution

Details Process and apparatus for obtaining a more concentrated solution Process and apparatus for obtaining a more concentrated solution

1977-09-13

1980-01-29

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

423607, 423DIG14, 423139, 423 1, 423659, 210 31R, 210 35, 210 24, 75101BE, C01G 3712

Patent

active

041861744

ABSTRACT:
A process and apparatus for obtaining a more concentrated solution of components such as chromium containing anions by the use of ion exchange beds. A solution containing the component to be concentrated is passed through a first bed in which the component is taken up. A second solution containing a component of opposite charge from the first component is passed through the first bed to take up the component from the first bed and then through a second bed capable of taking up the second component from the solution. The second solution is passed from the first bed directly to and through the second bed, and both beds are rinsed following passage of the second solution therethrough by passing a rinse solution through the second bed and then directly to and through the first bed in a direction opposite to the direction in which said second solution passed through the beds.

REFERENCES:
patent: 2733204 (1956-01-01), Costa
patent: 3156644 (1964-11-01), Kunin
patent: 3382169 (1968-05-01), Thompson
patent: 3385788 (1968-05-01), Hunter
patent: 3386914 (1968-06-01), Hunter
patent: 3656939 (1972-04-01), Boehm et al.
patent: 3658470 (1972-04-01), Zievers et al.
patent: 3664950 (1972-05-01), Saraceno et al.
Krug, "Galvanotechnik", vol. 55, 1964, pp. 295-300.

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