Construction of polynary systems by coupling Cd/CdS with magnetic recyclable CuO/Fe2O3/CuFe2O4 nanocomposite for enhancing photo-Fenton degradation of antibiotics

被引：17
作者：
Li, Jiajia [1 ,2 ,3 ,4 ,5 ]
Li, Yi [1 ]
Chen, Manhua [2 ,3 ,4 ,5 ]
Tang, Xi [2 ,3 ,4 ,5 ]
Zhu, Nianwen [1 ,2 ,3 ,4 ,5 ]
Li, Wenxuan [1 ]
Mei, Qiong [1 ]
Yue, Shijun [2 ,3 ,4 ,5 ]
Tang, Yuping [2 ,3 ,4 ,5 ]
Wang, Qizhao [1 ,6 ]
机构：
[1] Changan Univ, Sch Water & Environm, Key Lab Subsurface Hydrol & Ecol Effects Arid Reg, Minist Educ, Xian 710064, Peoples R China
[2] Shaanxi Univ Chinese Med, Key Lab Shaanxi Adm Tradit Chinese Med TCM Compati, Xianyang 712046, Shaanxi, Peoples R China
[3] Shaanxi Univ Chinese Med, State Key Lab Res & Dev Characterist Qin Med Resou, Xianyang 712046, Shaanxi, Peoples R China
[4] Shaanxi Univ Chinese Med, Shaanxi Key Lab Chinese Med Fundamentals & New Dru, Xianyang 712046, Shaanxi, Peoples R China
[5] Shaanxi Univ Chinese Med, Shaanxi Collaborat Innovat Ctr Chinese Med Resourc, Xianyang 712046, Shaanxi, Peoples R China
[6] Northwest Normal Univ, Coll Chem & Chem Engn, Lanzhou 730070, Gansu, Peoples R China
来源：
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING | 2023年 / 11卷 / 05期
基金：
中国国家自然科学基金;
关键词：
P-n heterojunction; Cd/CdS; Photo-Fenton; Magnetic photocatalyst; Tetracycline; PHOTOCATALYTIC ACTIVITY; HYDROTHERMAL SYNTHESIS; H2O2; PHOTODEGRADATION; ACTIVATION; EFFICIENCY; REDUCTION; G-C3N4; CDS; CO2;
D O I：
10.1016/j.jece.2023.111089
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The exploitation of magnetic recyclable and effective degradation photocatalysts with wide-pH-range response was essential to the practical application in the photo-Fenton process. In this study, Cd/CdS coupling with CuO/ Fe2O3/CuFe2O4(CF) was employed to prepare an efficient and recyclable photocatalyst Cd/CdS-CuO/Fe2O3/ CuFe2O4(CCCF). The obtained CCCF was utilized to activate H2O2 for the photo-Fenton degradation of tetracycline after verifying optical properties and energy band structures. The photo-Fenton degradation performance of CCCF on tetracycline was researched in the effects of photocatalyst concentration, initial pH and H2O2 volume. The photo-Fenton removal efficiency of CCCF+H2O2 was capable of achieving 82.43 % under the optimal reaction condition, which was apparently higher than that of Cd/CdS and CF. The enhanced degradation efficiency could be owned to the effective carriers separation thanks to the p-n heterojunction. The development of such photocatalysts offers a new approach to degrading organic pollutants from industrial wastewater, making it a valuable tool for contaminants degradation.
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页数：14
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