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Preliminary study on the adsorption of copper ion on the spiral algae

Lin Ronggen Zhou Junliang Huang Penglin(Institute of Oceanology,CAS,Qingdao,266071)(University of Wales Bangor,Gwynedd LL59 5FY,UK)  
Preliminary research was carried out on the kinetics and influence of pH on the adsorption of copper ion by the spiral algal powder in order to treat the industrial wastewater containing the heavy metals due to its advantages of low cost raw material,big adsorbing capacity and no secondary pollution etc.The results showed that the adsorption processes were carried out in two steps:(1) rapid one,being the physical adsorption between the metal ion and the algae surface;(2) slow one,being the chemical adsorption. pH was the major factor influencing the adsorption capacity,the optimal pH for the adsorption was between 5.7~6.7.Freundlich equation fitted very well the adsorption isotherms.
【Fund】: 国家自然科学基金
【CateGory Index】: S985.4
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