β-环糊精聚合物在水体污染物吸附中的应用

Application of β-cyclodextrin polymer in adsorption of water pollutant

摘要:

工业的快速发展使得水体污染问题日趋严重且威胁人类健康。因此，针对水体污染物的去除治理迫在眉睫。高性能吸附剂的成功制备使得吸附技术成为最具应用前景的技术之一。β-环糊精聚合物既保留了β-环糊精结构中具有吸附位点的羟基基团和空腔结构，又解决了β-环糊精单体在水体中易溶解及稳定性较差的问题，在去除水体污染物方面备受关注。然而，β-环糊精聚合物会因不同的制备方法而具有不同的吸附性能。基于此，该文详细阐述了交联型、星型、线型、固载型四种β-环糊精聚合物的结构特点及制备方法，综述了近年来对水体污染物中重金属、染料、内分泌干扰物等污染物的吸附机理和应用，并对其未来发展进行了展望。

Abstract:

With the rapid development of industry, the problem of water pollution is becoming more and more serious and threatening human health.Therefore, the removal and treatment of water pollutants is imminent. With the successful preparation of high-performance adsorbents, adsorption technology has become one of the most promising technologies. β-cyclodextrin polymer not only retains the hydroxyl group and cavity structure with adsorption sites in cyclodextrin structure, but also solves the problems that cyclodextrin monomer is easy to dissolve and has poor stability in water, which has attracted much attention in removing water pollutants. However, β-cyclodextrin polymers have different adsorption properties due to different preparation methods. Based on this, the structural characteristics and preparation methods of four kinds of cyclodextrin polymers, which are cross-linked, star-shaped, linear and immobilized, are described in detail, and the adsorption mechanism and application of heavy metals, dyes, endocrine disruptors and other pollutants in water pollutants in recent years are summarized, and their future development is prospected.