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Persulfate activation by organic compounds: advancements and challenges
Current Opinion in Chemical Engineering ( IF 6.6 ) Pub Date : 2022-06-02 , DOI: 10.1016/j.coche.2022.100837
Piotr Zawadzki

In the context of contaminants of emerging concern occurring in the environment, the urgent need to develop technologies for their effective removal is justified. The use of highly reactive sulfate radicals (SO4•−) appears to be a valuable alternative to conventional oxidants used in water and wastewater technologies. Transition metal ions, thermal, photolytic, sonolytic, and radiolytic methods are conventional methods of persulfate (PS) activation to generate SO4•− radicals. In recent years, research has moved to alternative technologies of PS activation, that is, organic compounds (e.g. ascorbic acid, glucose, or quinones), to improve the degradation efficiency of contaminants. This paper discusses the organic compounds used to activate PS, critically reviewing their effectiveness in removing organic contaminants from water or wastewater.



中文翻译:

有机化合物活化过硫酸盐:进展与挑战

在环境中新出现的令人担忧的污染物的背景下,迫切需要开发有效去除污染物的技术。使用高反应性硫酸根 (SO 4 •- ) 似乎是水和废水技术中使用的常规氧化剂的一种有价值的替代品。过渡金属离子、热、光解、声解和辐射解方法是过硫酸盐 (PS) 活化生成 SO 4的常规方法•−激进分子。近年来,研究转向了PS活化的替代技术,即有机化合物(例如抗坏血酸、葡萄糖或醌),以提高污染物的降解效率。本文讨论了用于激活 PS 的有机化合物,批判性地审查了它们在去除水或废水中有机污染物方面的有效性。

更新日期:2022-06-04
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