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Graphitic carbon nitride-based materials in activating persulfate for aqueous organic pollutants degradation: A review on materials design and mechanisms

文献类型： 外文期刊

作者： Tan, Jie 1 ; Li, Zhifeng 1 ; Li, Jie 1 ; Wu, Junxue 2 ; Yao, Xiaolong 3 ; Zhang, Tingting 1 ;

作者机构： 1.Beijing Univ Chem Technol, Coll Chem Engn, Beijing 100029, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing 100097, Peoples R China

3.Beijing Technol & Business Univ, Dept Environm Sci & Engn, Beijing 100048, Peoples R China

4.Res Ctr Resource & Environm, Beijing 100029, Peoples R China

关键词： Graphitic carbon nitride; Persulfate; Photocatalysis; Activation mechanism; Organic pollutants

期刊名称：CHEMOSPHERE （ 影响因子：7.086； 五年影响因子：6.956 ）

ISSN： 0045-6535

年卷期： 2021 年 262 卷

页码：

收录情况： SCI

摘要： With the increasingly serious water environment problem, the persulfate-based advanced oxidation process (PS-AOP) has attracted considerable attention in water pollution treatment. To date, graphitic carbon nitride (g-C3N4) has been greatly favored by researchers in activating PS for its capability and unique superiorities. Though g-C3N4-based PS-AOP exhibits huge development prospects in removing organic pollutants, the review about its research progress has not been reported. Herein, this paper reviews the modification of g-C3N4 on the basis of its applications and properties for PS activation systematically. The activation mechanisms of g-C3N4-based modified materials are analyzed in detail, and the main formation pathways of radicals and non-radicals and their interaction mechanism with pollutants are thoroughly summarized. Finally, the existing challenges and future development directions of the PS-AOP driven by g-C3N4-based materials are critically discussed. The key purpose is to provide a reference for promoting the further popularization of this novel and efficient cooperative AOP in water purification industries, as well as multidisciplinary inspirations for g-C3N4-involved fields. (C) 2020 Elsevier Ltd. All rights reserved.

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