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- W2108885277 abstract "Abstract A comparative study has been carried out on the removal of impurities such As, Sb, Bi from the copper sulfate solution byion exchange resin containing aminophosphosphonic acid as functional group. The various parameters which affect the removalof impurities; such as the reaction temperature, the reaction time, the amount of ion-exchange resins, the concentration of sulfuricacid in electrolyte, were studied. The basic experimental results showed that about 88% of Sb & 94% of Bi can be adsorbedin these chelate resins and removed from the copper sulfate solutions but As was removed below 10% from the solutions. Andthe selective elution of Bi and Sb from the adsorbed ion exchange resin also can be achieved by H 2 SO 4 or HCl solutions. Theresults also showed that 98.1% of Sb and 96.6% of Bi can be adsorbed from the copper sulfate solutions after 2 Bed-volumeof continuous ion exchange column test. Key words : Copper sulfate, Ion exchange, Antimony, Bismuth, Purification * Received : July 4, 2012·Revised : July 30, 2012·Accepted : August 8, 2012Corresponding Author : Jae woo Ahn (E-mail: jwahn@daejin.ac.kr)Advanced Materials Science & Engineering, Daejin University, Hoguk-ro 1007, Pocheon-si, Gyeonggi-do, 487-711, KoreaTel :+82-31-539-1982 / Fax : +82-31-539-1980ⓒThe Korean Institute of Resources Recycling. All rights reserved. This is an open-access article distributed under the termsof the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permitsunrestricted non-commercial use, distribution and reproduction in any medium, provided the original work is properly cited." @default.
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- W2108885277 date "2012-10-31" @default.
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- W2108885277 title "A study on the removal of As, Sb, Bi from the copper sulfate solutions by Ion exchange resin containing Aminophosphosphonic acid as a functional group" @default.
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- W2108885277 doi "https://doi.org/10.7844/kirr.2012.21.5.50" @default.
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