Removal of As(III) and As(V) from water by chitosan and chitosan derivatives: a review |
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Authors: | Xianli Wang Yukun Liu Jingtang Zheng |
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Institution: | 1.State Key Laboratory of Heavy Oil Processing,China University of Petroleum,Qingdao,People’s Republic of China |
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Abstract: | As arsenic removal becomes a global concern, the development of removal processes for arsenic treatment is still a major challenge. With regard to environmental compatibility and cheapness, chitosan and chitosan derivatives are considered as a promising removal technology for arsenic. Chitosan and chitosan derivatives possess the properties of low cost and good sorption on the arsenic removal. The present review is concerned about the present understanding of the mechanisms involved in sorption processes. Further on, detailed discussions are given of the effects of various factors on the performance of chitosan and chitosan derivatives in arsenic treatment processes. Finally, special attention is paid to the future challenges of chitosan and chitosan derivatives utilized for industrial arsenic treatment. |
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