以pb2+作为模板,环氧氯丙烷作为交联剂,MWNTs-CO/PEI作为功能单体,制备Pb2+-IIp材料.采用红外光谱和TEM对产物进行了表征.探讨了初始浓度、溶液pH值、吸附剂质量对吸附容量的影响.通过静态吸附实验研究Pb2+-IIP和Pb2+-NIP材料吸附实验的影响因素.结果表明,当吸附溶液的pH=5.0,吸附剂质量为0.03 g,pb2+的初始质量浓度为45 mg/L时,Pb2+-IIP的最大吸附量为37.50 mg/g,是Pb2+-NIP的2.47倍,40 min内即可达到吸附平衡,吸附速率较快,选择识别性好,重复使用率高.
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