铁活化过硫酸盐降解水中污染物的研究进展

Research progress in degradation of pollutants in water by iron activated persulfate

作为一种新型的高级氧化技术,铁活化过硫酸盐体系在降解水中污染物领域展现出了独特的优势和应用前景,掌握相应的机理及各种因素对降解过程的影响将有利于开发出更加高效的高级氧化体系用来降解各种水中污染物。综述了不同铁物种活化过硫酸盐的反应机理和研究进展;讨论了过硫酸盐的浓度、溶液pH值、反应温度和阴离子等影响因素对降解过程的影响;提出了该技术目前面临的问题及未来发展方向,为铁活化过硫酸盐氧化技术的实际应用提供理论指导和探索思路。

As a new type of advanced oxidation technology,iron activated persulfate system has shown unique advantages and application prospects in the field of degradation of pollutants in water.Understanding the corresponding mechanism and the influence of various factors on the degradation process is significative,which will help to develop a more efficient advanced oxidation system to degrade various pollutants in water.In this paper,the reaction mechanism and research progress of activated persulfate by different iron species are reviewed.Besides,the effects of the influencing factors such as persulfate concentration,solution pH,reaction temperature and anions on the degradation process are discussed.The current problems and future development direction of this technology are put forward,which may provide theoretical guidance and exploration ideas for the practical application of iron activated persulfate oxidation technology.