有色金属科学与工程2024，Vol.15Issue(3)：440-448,9.DOI:10.13264/j.cnki.ysjskx.2024.03.014
纳米零价铁去除废水中重金属研究及其制备方式
On removal of heavy metals from wastewater by nano-scale zero-valent iron and its preparation method
摘要
Abstract
Heavy metal pollution in sewage is a major environmental problem commonly faced by all countries.Nanometer zero-valent iron(nZVI)and its modified materials,with the advantages of small particle size,high activity,large specific surface area,and strong reduction ability,are currently one of the hot spots of research at home and abroad.It has broad application prospects in water heavy metal pollution,water treatment and remediation.In this paper,the commonly used preparation methods and modification methods of nZVI and the characteristics of different methods for preparing nZVI were summarized.The main mechanism of the interaction between nZVI and heavy metals was emphasized,including adsorption,reduction and coprecipitation.This paper summarized the mechanism and research progress of nZVI on lead,chromium,zinc and cadmium treatment in sewage treatment.The nZVI has a good removal ability on these elements and plays an important role in environmental pollution purification.Finally,the paper pointed out the shortcomings of iron-based nanomaterials in the remediation of heavy metals and looked forward to their application in the field of heavy metal remediation of sewage.Some suggestions were provided based on nZVI materials and their potential improvements in future applications in environmental remediation.关键词
纳米零价铁/材料改性/重金属污染/环境修复Key words
nanoscale zero-valent iron/material modification/heavy metal pollution/environmental remediation分类
资源环境引用本文复制引用
韦书贤,何川,李灿华,章蓝月,李明晖..纳米零价铁去除废水中重金属研究及其制备方式[J].有色金属科学与工程,2024,15(3):440-448,9.基金项目
安徽省中央引导地方科技发展专项(202107d06050012) （202107d06050012）
安徽高校研究生科学研究项目资助(YJS202110333) （YJS202110333）
