Preparation of microporous activated carbon and its modification for arsenic removal from water

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Journal Article
Journal of Industrial and Engineering Chemistry, 2014, 20 (3), pp. 887 - 896
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Arsenic removal from water was investigated using activated carbon. The chemical activated carbon (CAC) prepared using H 3 PO 4 from jute stick largely featured micropore structure with surface functional groups, while meso- and macropore structures were mainly developed in physical activated carbon (PAC). The CAC and PAC reduced arsenic concentration to 45 and 55μgL -1 , respectively, from 100μgL -1 while iron-loaded CAC reduced to 3μgL -1 , which is lower than the upper permissible limit (10μgL -1 ). The micropore structure of CAC along with complexation affinity of iron species towards arsenic species attributed to enhanced separation of arsenic. © 2013 The Korean Society of Industrial and Engineering Chemistry.
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