壳聚糖稳定纳米零价铁及衍生物在水处理中的应用  

Application of chitosan stabilized nanoscale zero-valent ironand its derivatives in water treatment

作　　者：冯颖[1] 张宏 于汉哲 李可心[1] 张建伟[1] 董鑫[1] FENG Ying;ZHANG Hong;YU Hanzhe;LI Kexin;ZHANG Jianwei;DONG Xin(School of Mechanical and Energy Power Engineering,Shenyang University of Chemical Technology,Shenyang 110142,Liaoning,China)

机构地区：[1]沈阳化工大学机械与动力工程学院,辽宁沈阳110142

出　　处：《精细化工》2023年第12期2577-2586,2629,共11页Fine Chemicals

基　　金：国家自然科学基金项目(21406142);辽宁省自然科学基金项目(2020-MS-230);辽宁省教育厅科学研究项目(LJ2020036);中央引导地方科技发展专项(2020JH6/10500051)。

摘　　要：壳聚糖稳定纳米零价铁(CS-NZVI)是一种新型复合材料,兼具还原能力和吸附能力,可用于水中金属离子、含砷盐的去除和芳香族染料的降解。该文首先介绍了目前制备CS-NZVI的主要方法和特点,总结了利用CS-NZVI处理重金属离子、砷离子、染料废水的机理和应用研究进展;接着,综述了壳聚糖改性CS-NZVI、金属催化剂改性CS-NZVI及复合改性CS-NZVI的方法及其应用;最后,对优化CS-NZVI制备过程、拓宽应用条件、提高材料性能等方面提出了建议和展望。Chitosan stabilized nanoscale zero-valent iron(CS-NZVI)is a novel composite material with both reducing and adsorption ability,which can be used in the removal of metal ions and arsenates in water and the degradation of aromatic dyes.In this review,the main synthesis methods and characteristics of CS-NZVI were firstly introduced,followed by summarization on the mechanism and application research progress of CS-NZVI in treatment of heavy metal ions,arsenic ions,dye wastewater.Subsequently,the modification methods and application progress of chitosan modified CS-NZVI,metal catalyst modified CS-NZVI and composite modified CS-NZVI were reviewed.Finally,suggestions and prospects for optimizing the preparation process of CS-NZVI,broadening the application conditions and improving the material properties were put forward.

关 键 词：壳聚糖 纳米零价铁 吸附剂 改性 废水 

分 类 号：X703[环境科学与工程—环境工程]