1. 毕业设计（论文）的内容和要求

查阅相关文献与专业书籍了解目前重金属离子废水的污染现状，了解现在处理金属离子废水常用的手段和方法，壳聚糖在处理金属离子废水方面的应用和已有成果以及存在的问题，对论文的研究方向有较深入的认识。

培养学生独立思考及动手做实验的能力，养成良好的科研习惯。

学会查找和阅读文献；学会应用相关实验设备和分析仪器。

2. 参考文献

[1] C. Raji, T.S. Anirudhan, Batch Cr(VI) removal by polyacrylamide-grafted sawdust: kinetics and thermodynamics, Water Res. 32 (1998) 3772#8211;3780. [2] V. Hassmanova, J. Vaneckova, K. Bousova, Occupational diseases caused by chromium and its compounds, Acta Med. 43 (2000) 33#8211;36. [3] L. Charerntanyarak, Heavy metals removal by chemical coagulation and precipitation, Water Sci. Technol. 39 (1999) 135#8211;138. [4] Y. Xing, X. Chen, D. Wang, Electrically regenerated ion exchange for removal and recovery of Cr(VI) from wastewater, Environ. Sci. Technol. 41 (2007) 1439#8211; 1443. [5] A. Demirbas, Heavy metal adsorption onto agro-based waste materials: areview, J. Hazard. Mater. 157 (2008) 220#8211;229. [6] G.X. Du, Z.H. Li, L.B. Liao, R. Hanson, S. Leick, N. Hoeppner, W.-T. Jiang, Cr(VI) retention and transport through Fe(III)-coated natural zeolite, J. Hazard. Mater. 221#8211;222 (2012) 118#8211;123. [7] B. Galan, D. Castanˇ eda, I. Ortiz, Integration of ion exchange and non-dispersive solvent extraction processes for the separation and concentration of Cr(VI) from ground water, J. Hazard. Mater. 152 (2008) 795#8211;804. [8] X.H. Wang, Y.A. Zheng, A.Q. Wang, Fast removal of copper ions from aqueous solution by chitosan-g-poly (acrylic acid)/attapulgite composites, J. Hazard. Mater. 168 (2009) 970#8211;977. [9] R.S. Juang, F.C. Wu, R.L. Tseng, Biosorption removal of copper (II) using chitosan from simulated rinse solutions containing chelating agents, Water Res. 33 (1999) 2403#8211;2409. [10] R.S. Juang, F.C. Wu, R.L. Tseng, Adsorption removal of copper (II) using chitosan from simulated rinse solutions containing chelating agents, Water Res. 33 (1999) 2403#8211;2409. [11] N.W.S. Wan, S. Fatinathan, Biosorption of Cu (II) ions in aqueous solution using chitosan beads, chitosan#8211;GLA beads and chitosan#8211;alginate beads, Chem. Eng.J. 143 (2008) 62#8211;72. [12] S. Hsu, P.C. Singer, Removal of bromide and natural organic matter by anion exchange, Water Res. 44 (2010) 2133#8211;2140. [13] T.H. Boyer, P.C. Singer, Stoichiometry of removal of natural organic matter by ion exchange, Environ. Sci. Technol. 42 (2008) 608#8211;613. [14] L.C.A. Oliveira, R.V.R.A. Rios, J.D. Fabris, K. Sapag, V.K. Garg, R.M. Lago, Clay#8211;iron oxide magnetic composites for the biosorption of contaminants in water, Appl. Clay Sci. 22 (2003) 169#8211;177. [15] D.J. Graves, Bioseparations in the magnetically stabilized fluidized bed, Chromatogr. Sci. 61 (1993) 187#8211;207. [16] G.L. Huang, C. Yang, K. Zhang, J. Shi, Adsorption removal of copper ions from aqueous solution using cross-linked magnetic chitosan bead, Chin. J. Chem. Eng. 17 (2009) 960#8211;966. [17] K. Kabiri, M.J. Zohuriaan-Mehr, Porous superabsorbent hydrogel composites: synthesis, morphology and swelling rate, Macromol. Mater. Eng. 289 (2004)653#8211;661. [18] W.F. Lee, Y.C. Chen, Effect of intercalated reactive mica on water absorbency for poly (sodium acrylate) composite superabsorbents, Eur. Polym. J. 41 (2005) 1605#8211;1612. [19] A. Li, R.F. Liu, A.Q. Wang, Preparation of starch#8211;graftpoly (acrylamide)/ attapulgite superabsorbent composite, Appl. Poly. Sci. 98 (2005) 1351#8211;1357. [20] H. Gecol, E. Ergican, P. Miakatsindila, Biosorbent for tungsten species removal from water: effects of co-occurring inorganic species, J. Colloid Interf. Sci. 292(2005) 344#8211;353. [21] L. Wang, A. Wang, Adsorption characteristics of congo red onto the chitosan/ montmorillonite nanocomposite, J. Hazard. Mater. 147 (2007) 979#8211;985. [22] R. Celis, M.A. Adelino, M.C. Hermosin, J. Cornejo, Montmorillonite#8211;chitosan bionanocomposites as adsorbents of the herbicide clopyralid in aqueous solution and soil/water suspensions, J. Hazard. Mater. 209 (2012) 67#8211;76. [23] M.Y. Chang, R.S. Juang, Adsorption of tannic acid, humic acid, and dyes from water using the composite of chitosan and activated clay, J. Colloid Interf. Sci. 278 (2004) 18#8211;25. [24] Delphin Mulange wa Mulange, Andrie Mariana Garbers-Craig, Stabilization of Cr(VI) from fine ferrochrome dust using exfoliated vermiculite, J. Hazard. Mater. 223#8211;224 (2012) 46#8211;52. [25] E.L. Grabowska, G. Gryglewicz, Adsorption characteristics of Congo Red on coal based mesoporous activated carbon, Dyes Pigments 74 (2007) 34#8211;40. [26] H. Nollet, M. Roels, P. Lutgen, P. Van der Meeren, W. Verstraete, Removal of PCBs from wastewater using fly ash, Chemosphere 53 (2003) 655#8211;665.

3. 毕业设计（论文）进程安排

1、3月1号至3月10号#8212;#8212;准备阶段 对相关文献进行翻译，并撰写实验计划和开题报告。

2、3月10号4月中旬#8212;#8212;实验阶段 制备fe3o4离子和磁性壳聚糖微球，对磁性壳聚糖微球进行表征进行表征，并研究其吸附性能。

3、4月中旬到5月中旬#8212;#8212;总结阶段 通过对实验数据分析计算，写论文。