Synthesis and speciation of polyaluminum chloride for water treatment |
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| Authors: | Yun-Hwei Shen Brian A Dempsey |
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| Institution: | Department of Environmental Protection Technology, National Pingtung University of Science and Technology, Pingtung, Taiwan 91207, ROC;Department of Civil and Environmental Engineering, The Pennsylvania State University, University Park, PA 16802, USA |
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| Abstract: | In this study, synthesis and speciation of polyaluminum chloride (PAC) for application in water treatment was investigated using a colorimetric speciation method. It was possible to produce stable preparations of PAC solutions in which a relatively stable cationic polymer predominated. The mode of preparation has a dramatic effect on the composition of PAC preparation. Some important parameters such as hydroxyl ligand number, mixing intensity, base injection rate and method, and aging were identified in this study. |
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