金属硫化物纳米吸附剂

Metal Sulfide Nanomaterials Based Adsorbents

近年来纳米材料受到越来越多的关注,由于其纳米尺寸效应,纳米材料在环境修复、医药、生物工程等各个领域都有广泛的应用。纳米材料具有大的比表面积、高表面结合能等优异特性,这使其在重金属吸附领域的应用受到极大的关注。金属硫化物纳米材料属于其中一类,其作为吸附剂具有吸附速度快、吸附容量高、吸附产物稳定等优良特性,对水体和土壤基质中的重金属离子、放射性元素和有机物等表现出良好的吸附性能,具有潜在的研究和应用价值。本文综述了国内外几类金属硫化物纳米材料在吸附领域的研究进展,包括Zn S、铁硫化物、Mo S2、Cu S和其他金属硫化物及其相关复合材料,并对其未来的发展方向进行了展望。

Recent years,nanomaterials have attracted enormous attention due to their nano-size effect and a wide range of applications in various fields,such as environmental remediation,medicine,and bioengineering.Special attention has been placed to the study of the adsorption ability of nanomaterials because of their outstanding advantages,such as large specific surface area and high surface energy,and so on.Metal sulfide nanomaterials,which are regarded as one of the most promising candidates owing to their advantages of fast adsorption speed,high adsorption capacity and excellent adsorption stability,have shown extraordinary adsorption capacity to heavy metals,radioactive elements and organics in aqueous solution and soil,promoting their great research and application prospects.This review summarizes the research progress of several types of metal sulfide nanomaterials,including ZnS,iron sulfides,MoS_2,CuS and other metal sulfides,as well as their related composite materials in the field of adsorption.In the end,the future research prospects are suggested.