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.
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页数：4
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