Preparation of microporous activated carbon and its modification for arsenic removal from water |
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| Affiliation: | 1. Institute of Power Source and Ecomaterials Science, Hebei University of Technology, Tianjin 300130, China;2. Key Laboratory of Special Functional Materials for Ecological Environment and Information, Hebei University of Technology, Ministry of Education, Tianjin 300130, China;3. Key Laboratory for New Type of Functional Materials in Hebei Province, Hebei University of Technology, Tianjin 300130, China;4. Chemical Engineering Program, The Petroleum Institute, P.O. Box 2533, Abu Dhabi, United Arab Emirates;5. School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei 050018, China |
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| Abstract: | Arsenic removal from water was investigated using activated carbon. The chemical activated carbon (CAC) prepared using H3PO4 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 55 μg L−1, respectively, from 100 μg L−1 while iron-loaded CAC reduced to 3 μg L−1, which is lower than the upper permissible limit (10 μg L−1). The micropore structure of CAC along with complexation affinity of iron species towards arsenic species attributed to enhanced separation of arsenic. |
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| Keywords: | Activated carbon Iron-loaded activated carbon Arsenic contamination Water pollution Filtration |
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