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Chemcial Industry and Engineering 2010, Vol. 27 Issue (2) :157-162    DOI:
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Removal of Humic Acid in Seawater by Enhanced Coagulation with Micro-size Materials and Inorganic Flocculants
GUO Hong-bo,ZHANG Yu-shan,WANG Jing,ZHANG Xiu-zhi,JIANG Tian-xiang(Tianjin Institute of Seawater Desalination and Multipurpose Utilization,State Oceanic Administration,Tianjin 300192,China)
(Tianjin Institute of Seawater Desalination and Multipurpose Utilization,State Oceanic Administration,Tianjin 300192,China

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Abstract This study was about to remove humic acid from seawater by enhanced coagulation with micro-size materials SiO_2,FeCl_3 and PAC.The results showed that the removal rates of turbidity and humic acid by mixed FeCl_3 and PAC were more efficient than they were used respectively.With the optimum ratio m(Fe)/m(Al_2O_3)=2 and micro-size materials,the removal rates of turbidity and humic acid were increased to 94% and 95%,respectively.The sedimentation time was shortened and the floccule could be separated from the water more completely.The mixed flocculant is applicable in a wide range of water temperature and pH value.
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Received 2010-03-15; published 2010-03-15
Cite this article:   
GUO Hong-bo,ZHANG Yu-shan,WANG Jing,ZHANG Xiu-zhi,JIANG Tian-xiang.Removal of Humic Acid in Seawater by Enhanced Coagulation with Micro-size Materials and Inorganic Flocculants[J]  Chemcial Industry and Engineering, 2010,V27(2): 157-162
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