壳聚糖及其衍生物对重金属吸附性能的研究

doi:10.11894/1005-829x.2004.24(5)..10

摘要/Abstract

摘要：

壳聚糖分子中含有大量的氨基和羟基,可以进行多种化学改性,得到相应的衍生物。改性前后的壳聚糖对重金属都具有吸附作用,可以作为重金属离子的富集剂。文章综述了近年来壳聚糖及其衍生物在吸附重金属方面的研究进展,对比了不同产品对重金属的吸附容量和选择性,以及它们所适用的条件。文章指出,进一步开发水溶性和螯合能力优良的壳聚糖衍生物是今后研究的方向。

关键词: 壳聚糖, 衍生物, 重金属

Abstract:

Chitosan can be modified chemically, due to the existence of amino and hydroxyl groups, and both chi-tosan and its derivatives can be used as adsorbents for heavy metal ions. This paper states systematically the development of the research on chitosan and its derivatives as adsorbents for heavy metals. Their adsorption effects and application conditions for heavy metal ions are compared, and in the future, more attention should be paid on the water-solubility and strong chelating ability of chitosen derivatives。

Key words: chitosan, derivative, heavy metal

中图分类号:

X703.1

相波, 刘亚菲, 李义久, 倪亚明. 壳聚糖及其衍生物对重金属吸附性能的研究[J]. 工业水处理, 2004, 24(5): 10-12.

Xiang Bo, Liu Yafei, Li Yijiu, Ni Yaming. Present situation and development of water treatment agents for industrial boilers[J]. INDUSTRIAL WATER TREATMENT, 2004, 24(5): 10-12.

https://www.iwt.cn/CN/Y2004/V24/I5/10

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