1. 毕业设计（论文）的内容和要求

1.毕业论文主要内容 废铬基催化剂是最危险的固体废弃物之一，它会对周围生态环境造成持续性的污染。

cr6 具有强氧化性，对人体健康的危害极大：cr6 对人体的消化道和皮肤具有刺激性，能引起接触性皮炎、皮肤溃疡，还可导致过敏、肺癌等疾病，属于烈性毒物。

因此，废铬基催化剂的处理和资源化利用成为行业所面临的关键问题。

2. 参考文献

[1] R.M. Laine, J.C. Marchal, H.P. Sun, X.Q. Pan, Nano-α-Al2O3 by liquid-feed flame spray pyrolysis, Nat. Mater. 5 (2006) 710#8211;712. [2] Y. Aman, C. Rossignol, V. Garnier, E. Djurado, Low temperature synthesis of ultrafine non vermicular α-alumina from aerosol decomposition of aluminum nitrates salts, J. Eur. Ceram. Soc. 33 (2013) 1917#8211;1928. [3] Z. Li, A. Zhang, Z. Li, Y. Zhu, L. Liu, H. Xiang, A novel low temperature synthesis technique of sol#8211;gel derived nanocrystalline alumina abrasive, J. Sol-Gel Sci. Technol. 57 (2011) 24#8211;30. [4] G.R. Karagedov, N.Z. Lyakhov, Preparation and sintering of nanosized α-Al2O3 powder, Nanostruct. Mater. 11 (1999) 559#8211;572. [5] W.L. Suchanek, Hydrothermal synthesis of alpha alumina (α-Al2O3) powders: study of the processing variables and growth mechanisms, J. Am. Ceram. Soc. 93 (2010) 399#8211;412. [6] J. Karch, R. Birringer, H. Gleiter, Ceramics ductile at low temperature, Nature 330 (1987) 556#8211;558. [7] J. Liu, Y. Wang, F. Yang, K. Chen, L. An, Grain refining in spark plasma sintering Al2O3 ceramics, J. Alloy. Compd. 622 (2015) 596#8211;600. [8] S. Chang, R.H. Doremus, L.S. Schadler, R.W. Siegel, Hot-pressing of nano-size alumina powder and the resulting mechanical properties, Int. J. Appl. Ceram. Technol. 1 (2004) 172#8211;179. [9] Z.R. Hesabi, M. Haghighatzadeh, M. Mazaheri, D. Galusek, S.K. Sadrnezhaad, Suppression of grain growth in sub-micrometer alumina via two-step sintering method, J. Eur. Ceram. Soc. 29 (2009) 1371#8211;1377. [10] I.-W. Chen, X.-H. Wang, Sintering dense nanocrystalline ceramics without finalstage grain growth, Nature 404 (2000) 168#8211;171. [11] X.-H. Wang, P.-L. Chen, I.-W. Chen, Two-step sintering of ceramics with constant grain-size, I. Y2O3, J. Am. Ceram. Soc. 89 (2006) 431#8211;437. [12] X.-H. Wang, X.-Y. Deng, H.-L. Bai, H. Zhou, W.-G. Qu, L.-T. Li, I.-W. Chen, Twostep sintering of ceramics with constant grain-size, II: batio3 and Ni-Cu-Zn ferrite, J. Am. Ceram. Soc. 89 (2006) 438#8211;443. [13] C.-J. Wang, C.-Y. Huang, Y.-C. Wu, Two-step sintering of fine alumina-zirconia ceramics, Ceram. Int. 35 (2009) 1467#8211;1472. [14] M. Mazaheri, A.M. Zahedi, S.K. Sadrnezhaad, Two-step sintering of nanocrystalline zno compacts: effect of temperature on densification and grain growth, J. Am.Ceram. Soc. 91 (2007) 56#8211;63. [15] Y.-I. Lee, Y.-W. Kim, M. Mitomo, D.-Y. Kim, Fabrication of dense nanostructured silicon carbide ceramics through two-step sintering, J. Am. Ceram. Soc. 86 (2003) 1803#8211;1805. [16] K. Bodi#353;ov#225;, P. #352;ajgal#237;k, D. Galusek, P. #352;van#269;#225;rek, Two-stage sintering of alumina with submicrometer grain size, J. Am. Ceram. Soc. 90 (2007) 330#8211;332. [17]R.Guo, W.Cao, X.Mao, J.Li, Selective corrosion preparation and sintering of disperse α-Al2O3 nanoparticles, J. Am. Ceram. Soc. [18] S. Pu, L. Li, J. Ma, F. Lu, J. Li, Disperse fine equiaxed alpha alumina nanoparticles with narrow size distribution synthesised by selective corrosion and coagulation separation, Sci. Rep. 5 (2015) 11575. [19] A. Polotai, K. Breece, E. Dickey, C. Randall, A. Ragulya, A novel approach to sintering nanocrystalline barium titanate ceramics, J. Am. Ceram. Soc. 88 (2005) 3008#8211;3012. [20] J. Li, Y. Ye, Densification and grain growth of Al2O3 nanoceramics during pressureless sintering, J. Am. Ceram. Soc. 89 (2006) 139#8211;143. [21] Z.Z. Fang, X. Wang, T. Ryu, K.S. Hwang, H.Y. Sohn, Synthesis, sintering, and mechanical properties of nanocrystalline cemented tungsten carbide #8211; a review, Int. J. Refract. Met. H. 27 (2009) 288#8211;299. [22] Z.Z. Fang, H. Wang, Densification and grain growth during sintering of nanosized particles, Int. Mater. Rev. 53 (2008) 326#8211;352. [23] C. Greskovich, K.W. Lay, Grain growth in very porous Al2O3 compacts, J. Am. Ceram. Soc. 55 (1972) 142#8211;146. [24] F.J.T. Lin, L.C.D. Jonghe, Microstructure refinement of sintered alumina by a twostep sintering technique, J. Am. Ceram. Soc. 80 (1997) 2269#8211;2277. [25] D.E. Cox, A.R. Moodenbaugh, A.W. Sleight, H.-Y. Chen, Structural refinement of neutron and X-ray data by the rietveld method: application to Al2O3 and BiVO4, NBS Spec. Publ. 567 (1980) 189#8211;201. [26] P. Karen, P.M. Woodward, Liquid-mix disorder in crystalline solids: ScMnO3, J. Solid State Chem. 141 (1998) 78#8211;88.

3. 毕业设计（论文）进程安排

起讫日期 设计（论文）各阶段工作内容 备 注 2017.12.23～2017.12.28 课题任务书 2017.12.28~2018.1.12 外文翻译、开题报告 2018.2.21~2018.4.9 设计实验方案、进行实验 2018.4.10~2018.5.2 实验 2018.5.3~2018.5.8 实验、中期答辩 2018.5.9~2018.5.30 实验、整理实验数据、毕业论文撰写 2018.5.31~2018.6.10 毕业论文撰写、答辩