1. 毕业设计（论文）的内容和要求

内容： 随着工农业的高速发展和人类活动的加剧，水体中磷的含量日益增加，其主要来源为化肥的大规模使用、土壤侵蚀以及生活污水和工业废水的大量排放。

过量的磷排放至水体中，作为关键营养元素刺激藻类过快生长，破坏水生生态平衡，导致水体的富营养化。

我国市政污水一级排放标准中磷浓度限值为0.5 mg p/l，对于特殊地区或者敏感水体的要求更加严格，被设定为0.2 mg p/l。

2. 参考文献

[1] 周圆．化学沉淀法处理磷化废水的实验研究[J]．广州化工，2016，44( 11) : 109-110，142． [2] Ju X Q, Hou J F, Tang Y Q, et al. ZrO2 nanoparticles confined in CMK-3 as highly effective sorbent for phosphate adsorption[J]. Microporous and Mesoporous Materials, 2016, 230: 188-195． [3] Zou H M, Wang Y. Phosphorus removal and recovery from domestic wastewater in a novel process of enhanced biological phosphorus removal coupled with crystallization [J]. Bioresource Technology, 2016, 211: 87-92． [4] Hauduc H, Tak#225;cs I, Smith S, et al. A dynamic physicochemical model for chemical phosphorus removal [J].Water Research, 2015, 73: 157-170. [5] Su C C, Abarca R R M, de Luna M D G,et al. Phosphate recovery from fluidized-bed wastewater by struvite crystallization technology[J]. Journal of the Taiwan Institute of Chemical Engineers, 2014, 45( 5) : 2395-2402. [6] Sendrowski A, Boyer T H. Phosphate removal from urine using hybrid anion exchange resin [J]. Desalination, 2013, 322: 104-112． [7]Zhang Y Y, Pan B C, Shan C, et al. Enhanced phosphate removal by nanosized hydrated La (Ⅲ) oxide confined in cross-linked polystyrene networks[J]. Environmental Science ＆Technology, 2016, 50( 3) : 1447-1454． [8]Gu W, Xie Q, Qi C Y, et al．Phosphate removal using zinc ferrite synthesized through a facile solvothermal technique[J]. Powder Technology, 2016, 301:723-729． [9]Huang W Y, Yu X, Tang J P, et al． Enhanced adsorption of phosphate by flower-like mesoporous silica spheres loaded with lanthanum [J]. Microporous and Mesoporous Materials, 2015, 217: 225-232. [10]唐登勇，黄越，胥瑞晨，等．改性芦苇生物炭对水中低浓度磷的吸附特征[J]. 环境科学，2016，37( 6) : 2195-2201． [11]李海宁，陈静，李秋梅，等．铁锰复合氧化物包覆海砂的吸附除磷研究 [J].环境科学学报，2016，36( 3) : 880-886． [12]孟文娜，谢杰，吴德意，等． 活性氧化铝对水中磷的去除与回收研究[J].环境科学，2013，34( 1) : 231-236 [13]Xie J, Lin Y, Li C J, et al. Removal and recovery of phosphate from water by activated aluminum oxide and lanthanum oxid [J]. Powder Technology, 2015, 269: 351-357． [14]Cao D, Jin X Y, Gan L, et al. Removal of phosphate using iron oxide nanoparticles synthesized by eucalyptus leaf extract in the presence of CTAB surfactant[J]. Chemosphere, 2016, 159: 23-31. [15]Su Y, Yang W Y, Sun W Z, et al. Synthesis of mesoporous cerium-zirconium binary oxide nanoadsorbents by a solvothermal process and their effective adsorption of phosphate from water[J]. Chemical Engineering Journal, 2015, 268: 270-279.

3. 毕业设计（论文）进程安排

2019.1-2019.3 查阅文献，撰写文献综述和开题报告，并修改开题报告。

2019.3-2019.5 实验阶段（制定实验步骤、实验方案、实验、分析实验数据、补充实验） 2019.5-2019.6 撰写论文、修改论文，准备答辩。