高分子纳米复合吸附剂在重金属废水处理中的应用

doi:10.11894/1005-829x.2015.35(12).010

摘要/Abstract

摘要：

在目前的重金属废水处理方法中,吸附法以其吸附条件温和、适应性好、操作容易、去除率高等优点而被广泛研究和应用。高分子吸附剂一般含有羟基、羧基、巯基、氨基等活性基团,通过电子转移或电子对共用形式与水体中的重金属形成离子键和(或)配位键,从而具有较好的吸附效果;同时,高分子吸附剂可以依据不同水处理需求进行多样性分子设计,拓宽了吸附剂的应用范围。纳米材料的引入可以大幅改善高分子吸附剂的综合性能,因此近年来高分子纳米复合吸附剂引起了人们的广泛关注。对高分子纳米复合吸附剂的制备方法及研究进展进行了介绍。

关键词: 重金属污染, 高分子纳米复合吸附剂, 重金属废水处理

Abstract:

Among the present methods for the treatment of heavy metal wastewater,adsorption process has widely been studied and applied,since it has exhibited many advantages,such as reaching adsorption condition easily,wide range of adaptability,easy to operate,and excellent adsorption rate. Polymer adsorbents usually contain active groups,including hydroxyl,carboxyl,carboxyl,thiol,amino,etc. Polymer adsorbents can have better adsorption effects,in form of electron transfer or electron pair sharing so as to form ionic bonding or coordinate bond with heavy metals in the water body. Meanwhile,diversity molecule design of the polymer adsorbents can be done according to different needs for wastewater treatment. As a result,the applicable range of the adsorbent can be widened. The drawing in of the nano materials can greatly improve the integrated capacity of polymer adsorbents. Therefore,wide attention has been paid to polymer nano composite adsorbents by people in recent years. The preparation process of and research progress in polymer nano composite adsorbents are introduced.

Key words: heavy metal pollution, polymer nano composite adsorbent, treatment of heavy metal-bearing wastewater

中图分类号:

X703

姜立萍. 高分子纳米复合吸附剂在重金属废水处理中的应用[J]. 工业水处理, 2015, 35(12): 10-13,39.

Jiang Liping. Application of polymer nano composite adsorbents to the removal of heavy metals from wastewater[J]. INDUSTRIAL WATER TREATMENT, 2015, 35(12): 10-13,39.

https://www.iwt.cn/CN/Y2015/V35/I12/10

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