采用共沉淀法制备片状纳米氢氧化镁,通过XRD、TEM、SEM和BET进行表征.片状纳米氢氧化镁直径大约在100 nm左右.在此基础上,研究片状纳米氢氧化镁对水溶液中铅离子的吸附特性.研究结果表明,片状纳米氢氧化镁对Pb2+的等温吸附符合Langmuir吸附等温式.吸附机理以化学吸附为主,吸附过程是自发的;片状纳米氢氧化镁对Pb2+的吸附动力学符合Lagergren二级吸附动力学模型,吸附过程由膜扩散和颗粒内扩散联合控制.
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