1. 毕业设计（论文）的内容和要求
砷和多种金属硫化物共存，广泛存在于煤和金属矿床中，最常见的含砷矿物是黄铁矿和含砷黄铁矿，因此，在有色金属和贵重金属的开采中，不可避免会产生含砷尾矿。
工业开采和自然风化使砷黄铁矿( 毒砂FeAsS) 、雄黄( AsS) 和雌黄( As2S3) 等矿物氧化分解，导致砷释放到环境中，形成酸矿废水。
酸矿废水排放到河流并渗到地下水中，造成严重的水污染。
2. 参考文献
1. 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, 115107.2. 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. 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), 426-431.4. 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, 63-74.5. Wagle, D.; Shipley, H. J., Adsorption of Arsenic (V) to Titanium Dioxide Nanoparticles: Effect of Particle Size, Solid Concentration, and Other Metals. Environ. Eng. Sci. 2016, 33 (5), 299-305.6. 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, 1-16.7. 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), 893-900.8. Luo, T.; Cui, J. L.; Hu, S.; Huang, Y. Y.; Jing, C. Y., Arsenic Removal and Recovery from Copper Smelting Wastewater Using TiO2. Environ. Sci. Technol. 2010, 44 (23), 9094-9098.9. Yu, Y.; Zhou, Z.; Ding, Z.; Zuo, M.; Cheng, J.; Jing, C., Simultaneous arsenic and fluoride removal using {201}TiO2-ZrO2: Fabrication, characterization, and mechanism. J. Hazard. Mater. 2019, 377, 267-273.10. 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. Zhang, X.; Wang, Y.; Chang, X.; Wang, P.; Pan, B., Iron oxide nanoparticles confined in mesoporous silicates for arsenic sequestration: effect of the host pore structure. Environ. Sci.: Nano 2017, 4 (3), 679-688.12. Guo, Q.; Cao, Y.; Yin, Z.; Yu, Z.; Zhao, Q.; Shu, Z., Enhanced Removal of Arsenic from Water by Synthetic Nanocrystalline Iowaite. Sci Rep 2017, 7 (1), 17546.13. 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), 1769-1774.14. 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), 353-360.15. Pan, B.; Li, Z.; Zhang, Y.; Xu, J.; Chen, L.; Dong, H.; Zhang, W., Acid and organic resistant nano-hydrated zirconium oxide (HZO)/polystyrene hybrid adsorbent for arsenic removal from water. Chem. Eng. J. 2014, 248, 290-296.
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