Ion-exchanger, process for production thereof, and process for r

Details Ion-exchanger, process for production thereof, and process for r Ion-exchanger, process for production thereof, and process for r

1997-07-03

1999-09-07

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

502 11, 502417, B01J 4118, C02F 142

Patent

active

059482656

ABSTRACT:
An ion-exchanger is provided which comprises zirconium hydroxide supported on active carbon. The process for producing the ion-exchanger, and a process for removing a multiply charged anion are also provided which employ the ion-exchanger. The ion-exchanger of the present invention has high chemical resistance, high heat resistance, high mechanical strength, and excellent ion exchange characteristics.

REFERENCES:
patent: 4474853 (1984-10-01), Watanabe
patent: 4692431 (1987-09-01), Weller
patent: 5210317 (1993-05-01), Kuno et al.
patent: 5304696 (1994-04-01), Khare et al.

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