ZnO/ZnFe2O4/zeolite composite catalyst for peroxymonosulfate oxidation and photocatalysis

被引：9

作者：

Hu, Tianyu ^{[1
,2
]}

Li, Jianjun ^{[1
,2
]}

Wang, Lei ^{[1
]}

Wang, Hongyang ^{[1
]}

Zhang, Zhanqun ^{[1
]}

Jiang, Wenxu ^{[1
]}

Xue, Changguo ^{[1
]}

机构：

[1] Anhui Univ Sci & Technol, Dept Mat Sci & Engn, Huainan 232001, Peoples R China

[2] Anhui Univ Sci & Technol, Inst Environm Friendly Mat & Occupat Hlth, Wuhu 241003, Peoples R China

来源：

MATERIALS LETTERS | 2023年 / 330卷

关键词：

ZnO; Zeolite nanocomposites; Advanced oxidation process; Photocatalysis; Magnetic separation; Zinc ferrite; FABRICATION;

D O I：

10.1016/j.matlet.2022.133310

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic ZnO/ZnFe2O4/Zeolite (ZFZ) catalysts were prepared by a solvothermal-microwave method and used for advanced oxidation processes. Careful investigations indicate ZFZ has a core-shell structure with ZnO/ ZnFe2O4 nanoparticles covered on the surface of Na-A zeolite. The specific saturation magnetization of ZFZ is up to 15.276 emu/g, which is sufficient for efficient magnetic separation. Experiments on advanced oxidation degradation of Rhodamine B indicate that ZFZ have remarkable catalytic activity for peroxymonosulfate oxidation. The degradation rate increased more than 3 times under UV-light irradiation, suggesting that ZFZ has stronger photocatalysis. The highest decomposition rate could reach 98.55 %. And after 5 cycles, a 79.11 % degradation rate still remained.

引用

页数：4

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