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The study on flocculation of Cd~(2+) by carboxy-methyl chitosan

YANG Zhi-kuan; SHAN Chong-xin; SU Pala(The Institute of Chemistry and Environmental Science,Wuhan University, Wuhan 430072)  
A flocculation method for removing cadmium in water by use of carboxy-methyl chitosan,in presence of an electrolyte Na2SO4 is described. The experiment indicated that the rate of removing Cd2+ by this method of water treatment could reach over 99. 9 %,under the best condition. The mechanism of removing cadmium was also concerned.
【CateGory Index】: X703.5
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