1. 毕业设计（论文）的内容和要求
随着我国有色冶金行业的快速发展，有色金属冶炼过程中产生的含砷废水排放量与日俱增，对地表水和地下水水质造成严重污染。
近年来国家立法对含砷废水排放要求日益严格，如何简单高效的去除废水中的砷成为亟待解决的重要环境技术问题。
目前多种处理技术已被应用于水体砷的去除，例如化学沉淀法、生物法、离子交换法、膜过滤和吸附法等。
2. 参考文献
1. Deng, M.; Wu, X.; Zhu, A.; Zhang, Q.; Liu, Q., Well-dispersed TiO2 nanoparticles anchored on Fe3O4 magnetic nanosheets for efficient arsenic removal. J. Environ. Manage. 2019, 237, 63-74.2. Luo, M.; Lin, H.; He, Y.; Li, B.; Dong, Y.; Wang, L., Efficient simultaneous removal of cadmium and arsenic in aqueous solution by titanium-modified ultrasonic biochar. Bioresour. Technol. 2019, 284, 333-339.3. Gomaa, H.; Shenashen, M. A.; Yamaguchi, H.; Alamoudi, A. S.; Abdelmottaleb, M.; Cheira, M. F.; Seaf El-Naser, T. A.; El-Safty, S. A., Highly-efficient removal of AsV, Pb2 , Fe3 , and Al3 pollutants from water using hierarchical, microscopic TiO2 and TiOF2 adsorbents through batch and fixed-bed columnar techniques. J. Cleaner Prod. 2018, 182, 910-925.4. Andjelkovic, I.; Amaizah, N. R. R.; Markovic, S. B.; Stankovic, D.; Markovic, M.; Kuzmanovic, D.; Roglic, G., Investigation of mechanism and critical parameters for removal of arsenic from water using Zr-TiO2 composite. Environ. Technol. 2017, 38 (17), 2233-2240.5. 常方方; 曲久辉; 刘锐平; 刘会娟; 雷鹏举; 张高生; 武荣成, 铁锰复合氧化物的制备及其吸附除砷性能. 环境科学学报 2006, 1 (11), 1769-1774.6. 王艳香; 赵峰华; 孙红福; 周磊, 生物纳米 FeS 强化灰岩去除酸矿废水中砷的研究. 岩石矿物学杂志 2016, 35 (5), 893-900.7. 潘丙才; 张庆建; 陈新庆; 张炜铭; 潘丙军; 张全兴, 基于 Donnan 膜效应的树脂基水合氧化铁的制备及对砷的吸附性能研究. 中国科学: B 辑 2007, 37 (5), 426-431.8. Xu, Z.; Li, Q.; Gao, S.; Shang, J. K., As(III) removal by hydrous titanium dioxide prepared from one-step hydrolysis of aqueous TiCl4 solution. Water Res. 2010, 44 (19), 5713-5721.9. Chubar N, Gilmour R, Gerda V, Miuk M, Omastova M, Heister K, Man P, Fraissard J, Zaitsev V: Layered double hydroxides as the next generation inorganic anion exchangers: Synthetic methods versus applicability. Adv Colloid Interface Sci 2017.10. Cai J, Zhao X, Zhang Y, Zhang Q, Pan B: Enhanced fluoride removal by La-doped Li/Al layered double hydroxides. J Colloid Interface Sci 2017, 509:353-359.11. Niu, H. Y.; Wang, J. M.; Shi, Y. L.; Cai, Y. Q.; Wei, F. S., Adsorption behavior of arsenic onto protonated titanate nanotubes prepared via hydrothermal method. Microporous Mesoporous Mater. 2009, 122 (1-3), 28-35.12. Jegadeesan, G.; Al-Abed, S. R.; Sundaram, V.; Choi, H.; Scheckel, K. G.; Dionysiou, D. D., Arsenic sorption on TiO2 nanoparticles: size and crystallinity effects. Water Res. 2010, 44 (3), 965-73.13. Wei, Y.; Wei, S.; Liu, C.; Chen, T.; Tang, Y.; Ma, J.; Yin, K.; Luo, S., Efficient removal of arsenic from groundwater using iron oxide nanoneedle array-decorated biochar fibers with high Fe utilization and fast adsorption kinetics. Water Res. 2019, 167, 115107.14. Guan, X.; Du, J.; Meng, X.; Sun, Y.; Sun, B.; Hu, Q., Application of titanium dioxide in arsenic removal from water: A review. J. Hazard. Mater. 2012, 215-216, 1-16.15. 席北斗; 王晓伟; 霍守亮; 杨天学; 刘文君; 李德生; 刘鸿亮, 纳滤膜技术在地下水除砷应用中的研究进展. 环境工程学报 2012, 6 (02), 353-360.
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