中文摘要：

综述了在污水处理中研究较多的几类磁性纳米材料及其改性材料,着重讨论了其吸附机理和影响因素.简单介绍了目前磁性纳米材料在重金属离子吸附应用中存在的问题并提出其在环境修复中的应用前景.

英文摘要：

Several extensively studied rflagnetic nanomaterials and their modification in the field of wastewater treatment are reviewed, especially focusing on the adsorption mechanism and influencing factors. Furthermore, the currently existing problems in the application of magnetic nanomaterials are introduced, and their prospects for envi- ronmental modification are discussed.