高碘酸盐的活化及降解水体有机污染物研究进展

根据高碘酸盐活化方式、活化机理和相关自由基种类等方面,叙述了国内外高碘酸盐高级氧化体系降解水体有机污染物方面的工作。基于氧化剂为高碘酸盐的高级氧化技术氧化能力强,能在较宽的pH范围内高效降解包括抗氧化能力极强的全氟辛酸(PFOA)在内的多种有机污染物,在水处理领域具有较好的应用潜力。依据目前的研究现状,结合实际需求,认为进行废水处理的小试或者中试、优化活化理论研究,以及明确各活性物质对有机物选择性降解的机理,是将来需要关注的问题以及研究方向。

Research Progress of Periodate Activation and Degradation of Organic Pollutants in Water

Based on the activation mode,activation mechanism and related free radical species of periodate,the work on degradation of organic pollutants in water by periodate advanced oxidation system at home and abroad was reviewed.Advanced oxidation technology based on periodate as the oxidant has strong oxidation ability,it can efficiently degrade a variety of organic pollutants including perfluorooctanoic acid(PFOA),which has strong antioxidant capacity,in a wide pH range,and it has good application potential in the field of water treatment.According to the current research status and the actual demand,it is believed that small-scale or pilot-scale test of wastewater treatment,theoretical research on optimized activation,and clarification of the mechanism of selective degradation of organic substances by active substances are issues and research directions that need attention in the future.