Explanation of the Zn/Cu Dual Temperature Separation on Amberlite IRC-718 Ion-Exchange Resin

Explanation of the Zn/Cu Dual Temperature Separation on Amberlite IRC-718 Ion-Exchange Resin

The earlier temperature ion-exchange separation of copper and zinc with temperature variations on Amberlite IRC-718 iminodiacetic resin was physicochemically described. Contrary to conventional double temperature ion-exchange separation methods, the temperature dependence of ion-exchange selectivity...

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Veröffentlicht in:Separation Science and Technology 1999-07, Vol.34 (10), p.2013-2021
Hauptverfasser: ZAGORODNI, ANDREI A., MUHAMMED, MAMOUN
Format: Artikel
Sprache:eng
Schlagworte:
COPPER
ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
ENVIRONMENTAL SCIENCES
INORGANIC ION EXCHANGERS
ION EXCHANGE
TEMPERATURE DEPENDENCE
WASTE WATER
WATER TREATMENT
ZINC
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Zusammenfassung:The earlier temperature ion-exchange separation of copper and zinc with temperature variations on Amberlite IRC-718 iminodiacetic resin was physicochemically described. Contrary to conventional double temperature ion-exchange separation methods, the temperature dependence of ion-exchange selectivity was not found to be a main driving force of the process. Separation of the two metals is controlled by formation of HSO − 4 complexes in the surrounding solution.
ISSN:0149-6395
1520-5754
DOI:10.1081/SS-100100752