Ion-exchanger, process for production thereof, and process for removal of multiply charged anions employing the ion-exchanger
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United States of America Patent
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Sep 7, 1999
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N/A
app pub date -
Jul 3, 1997
filing date -
Jul 5, 1996
priority date (Note) -
Expired
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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.
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