不同形态MnO_2对污水中重金属Pb^(2+)、Cd^(2+)吸附效果的初探  

Study on Pb^(2+),Cd^(2+) Adsorption by Different Forms of MnO_2 on the Effect of Heavy Metals in Sewage

作　　者：辛红云 辛凌云[2] 

机构地区：[1]博尔塔拉州环境监测站,新疆博乐833400 [2]洛阳师范学院,河南洛阳471022

出　　处：《干旱环境监测》2012年第2期65-69,共5页Arid Environmental Monitoring

摘　　要：用ICP—AES检测离子浓度方法研究了不同形态MnO2在不同pH下对污水中重金属离子Pb2+和Cd2+的吸附效果。结果表明:当溶液的pH=7时最有利于吸附,且α形态MnO2对重金属离子的吸附效果最好,其中对Pb2+最高吸附效率可达99.84%,对Cd2+的最高吸附效率可达71.54%。adsorption effect of the different forms of MnOz at different pH of sewage, heavy metal ions Pb2＋ and Cd2. ion concentration by ICP--AES method for study. The results showed that： the most conducive to adsorp on when the solution pH = 7, and the a form of MnOz on the heavy metal ions adsorption effect is best, which of Pb2＋ on the highest adsorption efficiency up to 99.84%, the highest adsorption eficiency of Cd2＋ up to 71.54%.

关 键 词：MNO2 吸附 重金属离子 ICP—AES 

分 类 号：X830.2[环境科学与工程—环境工程]