铜钴双金属类芬顿催化剂的制备与性能表征任务书

 2021-11-05 07:11

1. 毕业设计(论文)的内容和要求

课题内容:化工生产过程中产生的有机废水一般具有有机污染物浓度高、化学需氧排放量大(CODs)、生物降解性低等特点,因此降解处理的难度大。

而现有的物理和生物处理方法对于化学结构稳定有机污染物的降解存在局限性,因此研究高效低耗的废水深度处理技术十分必要。

高级氧化技术(Advanced Oxidation Processes,AOPs)或又称作深度氧化技术,可以通过物理、化学手段产生具有强氧化性的羟基自由基(OH)或其它具有强氧化性的自由基物种,游离态OH能进攻有机分子化学键,引发自由基链式反应[1],最终可将废水中各种有机污染物矿化分解为水和二氧化碳等终极产物。

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2. 参考文献

[1] 邢卫红. 高性能膜材料与膜技术[M]. 北京: 化学工业出版社, 2016.[2] Y.J. Ma, X.L. Li, Z. Yang, S.S. Xu, W. Zhang, Y.J. Su, N.T. Hu, W.J. Lu, J. Feng, and Y.F. Zhang, Morphology control and photocatalysis enhancement by in situ hybridization of cuprous oxide with nitrogen-doped carbon quantum dots, Langmuir (2016), 32, 9418-9427[3] H.J. Zhou, L. Kang, M. Zhou, Z.Z. Zhong and W.H. Xing, Membrane enhanced COD degradation of pulp wastewater using Cu2O/H2O2 heterogeneous Fenton process, Chinese Journal of Chemical Engineering (2018), 26, 1896-1903[4] H.J.Yu, R. Shi,Y.F. Zhao,G.I.N. Waterhouse, L.Z. Wu, C.H.Tung and T.R. Zhang, Smart utilization of carbon dots in semiconductor photocatalysis, Advanced Materials (2016), 28(43), 9454-9477. [5] R. Liu, H. Huang, H. Li, Y. Liu, J. Zhong, Y. Li, S. Zhang and Z. Kang, Metal nanoparticle/carbon quantum dot composite as a photocatalyst for high-efficiency cyclohexane oxidation, ACS Catalysis (2014), 1, 328- 336[6] H. Li, X. Zhang,and D. R. MacFarlane, Carbon Quantum Dots/Cu2O heterostructures for Solar-Light-Driven conversion of CO2 to methanol. Adv. Energy Mater. 2015, 5, 1401077. [7] H. Li, R. Liu, Y. Liu, H. Huang, H. Yu, H. Ming, S. Lian, S.-T. Lee,and Z. Kang, Carbon Quantum Dots/Cu2O composites with protruding nanostructures and their highly efficient (near) infrared photocatalytic behavior. J. Mater. Chem. 2012, 22, 17470-17475.[8] K. Tu, Q. Wang, A. Lu, and L. Zhang, Portable visible-light photocatalysts constructed from Cu2O nanoparticles and graphene oxide in cellulose Matrix. J. Phys. Chem. C 2014, 118, 7202-7210.[9] Y. Wang, D. Huang, X. Zhu,Y. Ma, H. Geng, Y. Wang, G. Yin, D. He, Z. Yang and N. Hu, Surfactant-free synthesis of Cu2O hollow spheres and their wavelength-dependent visible photocatalytic activities using LED lamps as cold light sources. Nanoscale Res. Lett. 2014, 9, 624.[10] J. Di, J. Xia, Y. Ge, H. Li, H. Ji, H. Xu, Q. Zhang, H. Li and M. Li, Novel visible-light-driven CQDs/Bi2WO6 hybrid materials with enhanced photocatalytic activity toward organic pollutants degradation and mechanism insight. Appl. Catal., B 2015, 168-169, 51-61.[11] Y.-H. Tsai, K. Chanda, Y.-T. Chu, C.-Y. Chiu and M. Huang, Direct formation of small Cu2O nanocubes, octahedra, and octapods for efficient synthesis of triazoles. Nanoscale 2014, 6, 8704-8709.

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