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《CHINESE JOURNAL OF ENVIROMENTAL SCIENCE》 1998-03
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Study on the Aluminum Species and Electrophoresis Characteristicsof Polyaluminum Silicate Chloride

Gao Baoyu\ Yue Qinyan\ Li Zhendong\ Wang Yan\ Yu Hui Wang Shuren(Department of Environmental Engineering,Shandong University,Jinan 250100)  
A series of polyaluminum silicate chloride (PASC),which has different basicities(B)and Si/Al molar ratio,was prepared by using AlCl_3·6H_2O,NaOH,HCl and water glass as raw materials.The aluminum species and the electrophoresis characteristics of PASC were studied by using Al-Ferron timed complex colorimetric method and electrophoretic mobility method respectively.The effects of B and Si/Al molar ratio on the distribution of aluminum species and the electrophoresis characteristics of PASC were investigated.The experimental results show that B has a great effect on the distribution of aluminum species of PASC;Si/Al molar ratio has some effect on the distribution of aluminum species of PASC.B and Si/Al molar ratio has somewhat effect on the electrophoresis characteristics of PASC.With the increase of B value and Si/Al molar ratio,the isoelectric point of PASC moves toward the acidic side,compared with polyaluminum chloride(PAC).
【Fund】: 中国石油化工总公司资助
【CateGory Index】: O614.31
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