木质素基吸附材料去除废水污染物的研究进展

Research progress on removal of wastewater pollutants by lignin-based adsorption materials

综述了木质素基吸附材料在去除废水污染物方面的研究进展,简明介绍了几种木质素的常用改性方法,包括磺化改性、胺化改性、酚化改性和接枝聚合改性。阐述了几种木质素基多孔吸附材料(如气凝胶、水凝胶、多孔碳)的不同结构特点,并分别总结了制备方法,综述了不同种类的木质素基多孔吸附材料在去除废水中有机染料、重金属离子等污染物的研究利用现状。分析了木质素基吸附材料在发展中存在的潜在问题,并提出了合理的建议,同时对其应用前景做出了展望。

The research progress of lignin-based adsorption materials in removing wastewater pollutants was reviewed,and several common modification methods of lignin were briefly introduced,including sulfonation modification,amination modification,phenolization modification and graft polymerization modification.The structure characteristics of several lignin-based porous adsorption materials(such as aerogel,hydrogel and porous carbon)were described,their preparation methods were summarized,and the research and utilization status of different kinds of lignin-based porous adsorption materials in the removal of organic dyes,heavy metal ions and other pollutants in wastewater were reviewed.The potential problems in the development of lignin-based adsorption materials were analyzed,and reasonable suggestions were put forward,and the application prospect was also prospected.