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The treatment of Cu-coating waste water with recoverable modified PAN fiber containing amidoxime group

CAI Jia-sheng1, TAO Ting-xian2 (1. Shangjiang Chem. Lim., Wuhu 241000, China; 2. Dept. of Bioch. Engn., Anhui Institute of Mechanical& Electric Engineering, Wuhu 241000 China)  
Treatment of Cu- coating waste water with modified PAN fiber containing amidoxime group was systematically studied. The results show that modeified PAN fiber has a good adsorption, recovery and recycling properties. The best conditions for adsorption such as temperature, time, pH and the initial ionic concentration were discovered, which provides a new effective method to treat waste water containing Cu(Ⅱ ) ion.
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