Abstract: Zero-valent iron (ZVI) has the characteristics of low reduction potential, directional reduction of toxic groups, low price and easy availability, and environmental friendliness. ZVI has been widely used in the pretreatment of general industrial wastewater. However, ZVI also has problems such as narrow pH range, easy formation of passivation film, and low electron utilization. Advanced oxidation processes based on ZVI have gradually become a research hotspot. The combining of ZVI and oxidants not only significantly improves the removal effect of pollutants, but also broadens the applied range of ZVI. The electron transfer mechanisms among ZVI, oxidants and pollutants are very complicated. The analysis of the complex products and mechanisms in the ZVI/oxidant system has been continuously explored and developed. This article reviews the advanced oxidation processes and equipments based on ZVI. The advanced oxidation systems that combining ZVI with oxygen, hydrogen peroxi-de, ozone, persulfate, permanganate and other oxidants are introduced. The interaction mechanism between ZVI and oxidants is described from the perspective of electron migration. The corrosion products of ZVI and their catalytic capacity in the presence of different oxidants are analyzed. Moreover, the synergistic catalytic oxidation technologies based on ZVI are introduced. Furthermore, advanced oxidation treatment equipment and combined processes based on ZVI in practical wastewater treatment are summarized. Finally, the problems existing in the current ZVI/oxidant systems are analyzed and its application prospects are prospected.
作者简介: 熊兆锟,四川大学建筑与环境学院副研究员、硕士研究生导师。2013年6月本科毕业于四川大学建筑与环境学院,2018年6月在四川大学建筑与环境学院环境工程专业取得博士学位,2018年7月进入四川大学工作。主要从事环境工程水污染控制技术的科研工作,包括铁基材料耦合其他高级氧化技术的基础与应用,医院污水同步消杀除污处理技术与集成装备开发。先后主持中国博士后科学基金特别资助、中国博士后科学基金面上基金、四川省科技厅应用基础研究等7项科研项目。共发表SCI论文30余篇,其中以第一作者或通讯作者在Water Research、Applied Catalysis B: Environmental、Chemical Engineering Journal、Journal of Hazardous Materials等环境领域权威期刊发表论文20余篇(高被引论文5篇,热点论文2篇,封面文章1篇)。担任Chinese Chemical Letters期刊青年编委。获中国环保产业协会环境技术进步一等奖和首届川渝科技学术大会优秀论文二等奖。 赖波,教授,博士研究生导师,四川大学环境科学与工程系主任,国家级青年人才,中国环境科学学会青年科学家金奖、四川省青年科技奖、四川省环境科学学会青年科技奖获得者,入选全球前2%顶尖科学家榜单(World's Top 2% Scientists 2020)。主要针对高难度化工废水和新兴污染物,开发高级氧化处理技术装备。主持国家级及省部级课题11项,科技成果转化和工程应用项目5项,累计到校科研经费超2000万元。担任中国卓越行动期刊Chinese Chemical Letters执行主编/高级编委、Water Reuse编辑,Journal of Hazardous Materials编委,Journal of Environmental Science青年编委、《水生态学杂志》编委、《土木与环境工程学报(中英文)》常务编委、《中国沼气》编委。以第一作者/通讯作者在Environmental Science & Technology、Water Research、Applied Catalysis B: Environmental、Chemical Engineering Journal等期刊发表SCI论文140余篇,ESI高被引论文18篇,热点论文3篇,获得2020年首届川渝科技学术大会优秀论文二等奖,获Elsevier Symposium on “Chemistry for a Sustainable Future” Best Paper Award;在环境科学、中国环境科学、环境科学研究等中文核心期刊发表论文20篇。中国发明专利授权16项,实用新型专利3项,专利已成功工程应用,彻底解决了民用起爆药/军用底火药生产行业高毒性工业废水处理难题,并在高难度化工废水处理行业进行推广应用,获得四川省科技进步一等奖(第一)和中国环保产业协会环境技术进步一等奖(第一)。
引用本文:
熊兆锟, 张恒, 刘杨, 周鹏, 何传书, 黄荣夫, 杜烨, 赖波. 基于零价铁的高级氧化技术与装备[J]. 材料导报, 2021, 35(21): 21012-21021.
XIONG Zhaokun, ZHANG Heng, LIU Yang, ZHOU Peng, HE Chuanshu, HUANG Rongfu, DU Ye, LAI Bo. Advanced Oxidation Processes and Equipment Based on Zero-valent Iron. Materials Reports, 2021, 35(21): 21012-21021.
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