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中文摘要：
以天然纤维素纤维作为基体材料,通过Ce^4＋引发的自由基聚合,在其表面接枝聚甲基丙烯酸二甲胺基乙酯,合成了阴离子吸附剂cellulose-g-PDMAEMA（纤维素接枝聚甲基丙烯酸二甲胺基乙酯）,用于水中砷的去除。采用场发射扫描电镜（FE-SEM）、傅里叶变换红外光谱（FT-IR）及元素分析对材料进行表征。并且分别用静态吸附实验和动态吸附实验研究材料的吸附性能,结果表明,该阴离子吸附剂可以有效地吸附水中三价砷和五价砷。
英文摘要：
In this study,the natural cellulose fibers are chosen as template and the anion adsorbent cellulose-g-PDMAEMA is synthesized for arsenic removal.The cellulose fibers were surface modified by graft-polymerization of （N,N-dimethyl aminoethyl methacrylate） （DMAEMA） initiated by Ce4＋.The adsorbent was characterized by Field Emission Scanning Electron Microscopy （FE-SEM）,Fourier Transform Infrared Spectroscopy （FT-IR） and elemental analyzer.And the adsorption behavior was evaluated by both batch and column experiments.The results indicate that the adsorbent has a high efficiency in the removal of arsenite and arsenate from aqueous solutions.
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