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Chemcial Industry and Engineering 2010, Vol. 27 Issue (3) :237-240    DOI:
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Experimental Study on Purification of Seawater by Carboxymethyl Chitosan
KOU Xi-yuan,ZHANG Yu-shan,WANG Jing,ZHANG Xiu-zhi,ZHANG Ai-jun (Tianjin Institute of Seawater Desalination and Multi-purpose Utilization,State Oceanic Administration,Tianjin 300192,China)
(Tianjin Institute of Seawater Desalination and Multi-purpose Utilization,State Oceanic Administration,Tianjin 300192,China

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Abstract The effect of carboxymethyl chitosan on the purification of seawater from Tanggu was studied. The optimum dose,pH value and stirring conditions on the flocculation performance were ascertained. The results indicate that the optimum flocculation performance is achieved at dosage 25��30 mg /L and pH between 5��7; the highest turbidity,CODMn and TP removal efficiency are 72. 6% ,53. 9% and 40. 0% ,respectively. The flocculation performance of carboxymethyl chitosan is compared with that of chitosan in the research. The results indicate that the flocculation effect of carboxymethyl chitosan is much better than that of chitosan,turbidity and CODMn removal efficiency are higher,and the optimum flocculation range of dosage is wider.
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Received 2010-05-15; published 2010-05-15
Cite this article:   
KOU Xi-yuan,ZHANG Yu-shan,WANG Jing,ZHANG Xiu-zhi,ZHANG Ai-jun .Experimental Study on Purification of Seawater by Carboxymethyl Chitosan[J]  Chemcial Industry and Engineering, 2010,V27(3): 237-240
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