Polydopamine assisted synthesis of N-doped Al2O3/PDA/MnO2 for enhanced catalytic ozonation of MB in waste water

被引：0

作者：

Liu, Zhenzhong ^{[1
,2
]}

Guo, Chenyang ^{[1
]}

Ying, Jialei ^{[1
]}

Xu, Xinlei ^{[1
]}

Xu, Yang ^{[1
]}

Liu, Qijie ^{[1
]}

Chen, Guihua ^{[3
]}

Qu, Xiaolu ^{[4
]}

Yue, Yongzheng ^{[1
]}

Xue, Changyan ^{[4
]}

机构：

[1] Zhejiang Univ, Taizhou Key Lab Med Devices & Adv Mat, Taizhou Inst, Taizhou 318000, Peoples R China

[2] Sichuan Univ, Sch Polymer Sci & Engn, Chengdu 610065, Peoples R China

[3] Taizhou Univ, Sch Pharmaceut & Chem Engn, Taizhou 318000, Peoples R China

[4] Taizhou Vocat & Tech Coll, Inst Appl Biotechnol, Sch Med & Pharmaceut Engn, Taizhou 318000, Peoples R China

来源：

MATERIALS LETTERS | 2025年 / 379卷

关键词：

Aluminium oxide; Polydopamine; Manganese dioxide; Ozonation catalyst; Methylene blue; DEGRADATION;

D O I：

10.1016/j.matlet.2024.137631

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, a novel N-doped Al2O3/PDA/MnO2 ozonation catalyst were fabricated by sequential coating of polydopamine (PDA) via self-polymerization and MnO2 loading via calcination processes. The ozonation catalyst was characterized by XRD and XPS, confirming the successful preparation of N-doped Al2O3/PDA/MnO2. The decoration of PDA polymer can enhance the loading and dispersion properties of MnO2 on Al2O3 spheres. In contrast, the apparent rate constant of N-doped Al2O3/PDA/MnO2 ozonation catalyst for methylene blue (MB) degradation was 2.67 times than that of undoped Al2O3/MnO2. This work provides a general strategy for exploring novel polymer-assisted functional Al2O3 based ozonation catalyst for waste water treatment applications.

引用

页数：4

共 23 条

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