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- E-ISSN 2288-8985
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Study on desorption characteristics by mixed resins of active carbons and ion exchange resins for perchlorate ion
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2013, v.26 no.1, pp.11-18
https://doi.org/10.5806/AST.2013.26.1.011
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(2013). Study on desorption characteristics by mixed resins of active carbons and ion exchange resins for perchlorate ion. Analytical Science and Technology, 26(1), 11-18, https://doi.org/10.5806/AST.2013.26.1.011
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Abstract
과염소산 음이온은 암모니움 과염소산 염 형태로서 로켓의 추진체, 폭발물의 재료로 사용되는물질이다. 고농도의 암모니움 과염소산은 비군사화과정을 통해 폐로켓으로부터 회수된다. 음용수나 음식을 통해 사람이 섭취하게 되면, 갑상선 호르몬을 합성하는데 필요한 물질인 요오드의 흡수를 방해하게된다. 소량이라도 장기 노출 시 신장 및 갑상선 기능장애, 생식기능 장애 그리고 암을 유발할 수 있다. 따라서 수질에서의 과염소산이온을 효과적으로 제거할 수 있는 방법이 필요하다. 경제적인 관점을 고려하여, 본 연구에서는 이온교환수지에 흡착된 과염소산 이온을 효과적으로 탈착(재생)시킬 수 있는 조건을 최적화하는 것이 목적이다. pH, 탈착용액의 이온형태, 농도에 따라서 탈착량을 파악하였으며, 이온교환수지와 활성탄을 혼합한 혼합수지를 이용하여 탈착효율이 증가하는 시너지효과를 보았다.
- keywords
- perchlorate ion, demilitarization, ion exchange resin, active carbon, mixed resin, desorption
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