Synthetic,kinetic and analytical studies on titanium (IV) arsenosilicate ion exchanger: Separation of lead from its synthetic alloys |
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| Institution: | 1. Hefei National Research Center for Physical Sciences at Microscale, CAS Key Laboratory of Materials for Energy Conversion, Anhui Laboratory of Advanced Photon Science and Technology, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China;2. Hefei National Research Center for Physical Sciences at Microscale, Department of Physics, University of Science and Technology of China, Hefei 230026, China;3. Institute of Solid State Physics, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei 230031, China;1. National and Local Joint Engineering Laboratory for Lithium-ion Batteries and Materials Preparation Technology, Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China;2. Faculty of Science, Kunming University of Science and Technology, Kunming 650093, China;3. Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China;4. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China;5. Ability R&D Energy Research Centre, School of Energy and Environment, City University of Hong Kong, Hong Kong, China;1. Shenzhen Geim Graphene Center, Tsinghua-Berkeley Shenzhen Institute & Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China;2. Tencent, Shenzhen, 518054, China;3. Shenzhen Key Laboratory of Virtual Reality and Human Interaction Technology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China;4. Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, China;5. Tsinghua-Berkeley Shenzhen Institute, Tsinghua University, Shenzhen, 518055, China;1. Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming 650500, PR China;2. Yunnan Provincial Key Laboratory of Energy Saving in Phosphorus Chemical Engineering and New Phosphorus Materials, Kunming 650500, PR China;1. Shi-changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China;2. School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, China;3. School of Mechanical Engineering, Liaoning Petrochemical University, Fushun 113001, China;4. Institute of Corrosion Science and Technology, Guangzhou 510530, China |
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| Abstract: | Titanium (IV) arsenosilicate has been synthesized as a new cation exchanger and has been characterized on the basis of its chemical composition, ion-exchange behaviour, pH titrations, TGA, IR and X-ray studies. On the basis of the distribution studies, the exchanger was found to be highly selective for lead and, hence, has been used for the separation of this metal ion from some synthetic lead alloys. A kinetic study has also been conducted for the exchange of some heavy pollutants. |
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