化学改性木质素吸附水中重金属的研究进展  

Research progress on adsorption of heavy metal in water by chemical modified lignin

作　　者：鲁秀国[1] 陈晶 Lu Xiuguo;Chen Jing(East China Jiaotong University,Nanchang 330013)

机构地区：[1]华东交通大学,南昌330013

出　　处：《化工新型材料》2021年第11期279-282,共4页New Chemical Materials

基　　金：国家自然科学基金(51768018)。

摘　　要：木质素来源广泛、价格低廉且环境友好,其结构中功能基团及化学键可与重金属离子配位螯合,因此可作为低成本吸附剂。另外,我国农业废弃物及造纸废液中的木质素利用率极低,将其用于吸附废水中重金属符合"以废治废"理念。但未改性的木质素吸附能力较低,主要从磺化改性、接枝共聚改性、交联聚合改性、酚化改性和胺化改性等5个木质素的化学改性方法综述了近年来化学改性木质素吸附水中重金属的研究进展。Lignin is widely sourced,inexpensive and environmentally friendly.Its functional groups and chemical bonds in the structure can be chelated with heavy metal ions,so it can be used as a low-cost adsorbent.In addition,the utilization rate of lignin in agricultural waste and papermaking waste liquid is very low in China.However,unmodified lignin adsorption capacity is low.The research progress of modified lignin in adsorption water of heavy metals in recent years was reviewed from the methods of sulfonation modification,graft copolymerization modification,crosslinking polymerization modification,phenolization modification and amination modification.

关 键 词：木质素 化学改性方法 重金属 

分 类 号：X52[环境科学与工程—环境工程] TQ424[化学工程]