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   Box-Behnken Design of Experiments Investigation forAdsorption of Cd2+ onto carboxymethyl Chitosan Magnetic Nanoparticles  
   
نویسنده Igder A. ,Fazlavi Ali ,Ahmadi Azqhandi Mohammad Hossein ,Omidi Mohammad Hassan
منبع journal of mining and environment - 2012 - دوره : 3 - شماره : 1 - صفحه:51 -59
چکیده    The main objective of the present study is to investigate the feasibility of using carboxymethyl chitosan magnetic nanoparticles (ccmn) for the adsorption of cd2+. the study also reports important parameters, which affect the adsorption process, i.e., ph, adsorbent dose, contact time and concentration of cd2+, using box-behnken designs. firstly, functional carboxymethyl chitosan magnetic nanoparticles (about 33 nm) was prepared by chemical coprecipitating and characterized by means of scanning electron microscope (sem), x-ray diffraction (xrd), fourier transform infrared spectroscopy (ftir). then, ccmn was used as the adsorbent for the treatment of effluent. the anova result of the full model shows that ph, adsorbent dosage and metal concentration had a significant effect on metal removal. in addition, this parameters indicates which contact time variable does not have a significant effect (p > 0.05).
کلیدواژه experimental design ,nano magnetic ,carboxymethyl chitosan ,Cd2+
آدرس imam khomeini international university, ایران, imam khomeini international university, ایران, imam khomeini international university, ایران, imam khomeini international university, ایران
 
     
   
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