The adsorption-photocatalytic synergism of LDHs-based nanocomposites on the removal of pollutants in aqueous environment: A critical review

被引：38
作者：
Bai, Jing [1 ]
Zhang, Xiangling [1 ,2 ,4 ]
Wang, Chen [1 ]
Li, Xuhao [1 ]
Xu, Zhouying [1 ]
Jing, Cheng [1 ]
Zhang, Ting [3 ]
Jiang, Yinghe [1 ]
机构：
[1] Wuhan Univ Technol, Sch Civil Engn & Architecture, Wuhan 430070, Peoples R China
[2] Wuhan Univ Technol, Sanya Sci & Educ Innovat Pk, Hainan 572024, Peoples R China
[3] Cent & Southern China Municipal Engn Design & Res, Wuhan, Peoples R China
[4] Wuhan Univ Technol, Sch Civil Engn & Architecture, 122,Luoshi Rd, Wuhan 430070, Peoples R China
来源：
JOURNAL OF CLEANER PRODUCTION | 2024年 / 436卷
基金：
中国国家自然科学基金;
关键词：
Layered double hydroxides (LDHs); Wastewater treatment; Adsorption-photocatalysis integration; Enhancement strategies; LAYERED DOUBLE HYDROXIDES; MG-AL; ENHANCED ADSORPTION; PERFORMANCE; ACID; HYDROTALCITE; FABRICATION; COMPOSITES; MORPHOLOGY; PHOSPHATE;
D O I：
10.1016/j.jclepro.2024.140705
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Layered double hydroxides (LDHs) as highly operable nanomaterials in terms of chemical composition, structural morphology, and energy band gaps, demonstrating excellent absorption-photocatalytic synergism in achieving in-situ degradation of pollutants in the aqueous environment. However, the current research on the adsorptionphotocatalytic process of LDHs is still limited. To promote the development and application of LDHs in the adsorption-photocatalysis process, this work reviews the structural characteristics and directional regulation strategies of LDHs with different dimensions. It introduces the removal performance of LDHs-based nanocomposites for various pollutants in aqueous environment, and analyzes the degradation mechanism and crucial processes from three aspects: adsorption, photocatalytic, and adsorption-photocatalytic synergy. Moreover, the review focuses on modification strategies for targeted enhancement of the absorption and photocatalytic properties of LDHs, future development challenges, and application prospects. This review aims to provide basic insights for the design of LDHs-based nanocomposites and their in-depth research and development applications in the water treatment field based on the adsorption-photocatalysis integration effect.
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页数：20
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