Method and apparatus for continuous ion exchange

Details Method and apparatus for continuous ion exchange Method and apparatus for continuous ion exchange

1982-08-13

1986-01-07

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423 54, 4236585, 423 8, 423139, 75101BE, 2102752, 2103212, 210335, 210638, 210644, C01G 300, C01G 3714, B01D 1100, B01F 100

Patent

active

045633371

ABSTRACT:
A method of continuous ion exchange for waste water treatment and metal recovery employs two membranes, each disposed in its own fluid-tight chamber. A feed solution containing metal ions is passed in contact with one membrane, the opposite side of which is in contact with a recirculating flow of liquid ion exchange material which receives selected dissolved mineral ions. The liquid ion exchange material is then passed over a second membrane, the other side of which is supplied with an eluant solution for further selective recovery of the desired mineral ion or ions. During recirculation the liquid ion exchange material is preferably passed through an aqueous separator. An apparatus for the practice of the present invention is also disclosed.

REFERENCES:
patent: 3956112 (1976-05-01), Lee et al.
patent: 3957504 (1976-05-01), Ho et al.
patent: 4092117 (1978-05-01), Byrne
patent: 4360946 (1981-12-01), Kim

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