磁性石墨烯吸附剂的合成及其去除水中有机污染物的研究进展

Research Progress on Preparation of Magnetic Graphene Adsorbents and Their Removal of Organic Pollutants from Aqueous Solution

水中有机污染物因严重影响人类健康和生态环境而受到广泛关注。磁性石墨烯吸附剂可以克服石墨烯易团聚、不易分离等问题,使其得以应用于水体有机污染物的高效吸附去除。本文综述了磁性石墨烯吸附剂的制备及其去除水中有机污染物的研究进展,重点介绍了化学沉淀法、水热法等磁性石墨烯吸附剂的制备方法,并总结归纳了磁性石墨烯吸附剂对水中染料、农药、芳香类化合物等有机污染物的吸附性能及机理,最后对其在水体有机污染物去除的应用前景进行了总结和展望。

Organic pollutants in water are widely concerned because they have seriously affected human health and ecological environment.Magnetic graphene adsorbents can overcome shortcomings of graphene,including stacking and separating problem.Therefore,they have been applied to efficiently removing organic pollutants in water.This review summarizes preparation of magnetic graphene adsorbents and their research progress of removing organic pollutants in water.The preparation methods,i.e.chemical precipitation and hydrothermal method,to synthetize magnetic graphene adsorbents were introduced.Besides,the adsorption properties and mechanism of typical organic contaminates,including dyes,pesticides and aromatic compounds,were concluded.Finally,the application prospection for the contaminates removal in water of magnetic graphene adsorbents was presented.