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Carbon nanotube-based materials for persulfate activation to degrade organic contaminants: Properties, mechanisms and modification insights
Journal of Hazardous Materials ( IF 12.2 ) Pub Date : 2022-02-24 , DOI: 10.1016/j.jhazmat.2022.128536
Lin Wu 1 , Ting Wu 1 , Zhifeng Liu 1 , Wangwang Tang 1 , Sa Xiao 1 , Binbin Shao 1 , Qinghua Liang 1 , Qingyun He 1 , Yuan Pan 1 , Chenhui Zhao 1 , Yang Liu 1 , Shehua Tong 1
Affiliation  

Removal of harmful organic matters from environment has great environmental significance. Carbon nanotube (CNT) materials and their composites have been demonstrated to possess excellent catalytic activity towards persulfate (PS) activation for the degradation of organic contaminants. Herein, detailed information concerning the function, modification methods and relevant mechanisms of CNT in persulfate-based advanced oxidation processes (PS-AOPs) for organic pollutant elimination has been reviewed. The activation mechanism of PS by CNT might include radical and nonradical pathways and their synergistic effects. The common strategies to improve the stability and catalytic capability of CNT-based materials have also been put forward. Furthermore, their practical application potential compared with other catalysts has been described. Finally, the challenges faced by CNT in practical application are clearly highlighted. This review should be of value in promoting the research of PS activation by CNT-based materials for degradation of organic pollutants and the corresponding practical applications.

中文翻译:


用于过硫酸盐活化降解有机污染物的碳纳米管基材料:性能、机理和改性见解



去除环境中的有害有机物具有重要的环境意义。碳纳米管 (CNT) 材料及其复合材料已被证明对过硫酸盐 (PS) 活化具有优异的催化活性,可降解有机污染物。本文综述了 CNT 在基于过硫酸盐的高级氧化过程 (PS-AOP) 中用于去除有机污染物的功能、改性方法和相关机制的详细信息。CNT 对 PS 的激活机制可能包括自由基和非自由基途径及其协同作用。还提出了提高 CNT 基材料的稳定性和催化能力的常用策略。此外,还描述了它们与其他催化剂相比的实际应用潜力。最后,清楚地强调了 CNT 在实际应用中面临的挑战。本文对促进 CNT 基材料活化 PS 降解有机污染物的研究及其实际应用具有一定的价值。
更新日期:2022-02-24
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