1. 毕业设计（论文）的内容和要求

电厂烟道气脱硝工艺中，目前低温选择性催化还原（scr）工艺具有低能耗、低毒化和低成本等优点，mn基脱硝催化剂以其低温区间高活性已成为低温烟气脱硝领域的研究热点。

为此众多研究者研究了不同载体及不同制备方法的锰基催化剂，锰系催化剂的脱硝性能也各不相同,催化反应的机理也没有实现完全统一论点。

而我们前期通过利用溶胶-凝胶一步法制备出mnox@tio2气凝胶催化剂，催化剂为无定型结构具有高比表面积和活性组分高分散性，表现出较为优异的脱硝性能，为此我们进一步利用原位红外技术研究该催化剂的选择性催化还原的机制过程。

2. 参考文献

[1]S. Roy, B. Vis wanath, M.S. Hegde, G. Madras, Low-temperature selective catalytic reduction of NO with NH3 over Ti0.9M0.1O2 (M = Cr, Mn, Fe, Co., Cu),J. Phys. Chem. C 112 (2008) 6002#8211;6012. [2] Ramesh, K.; Chen, L.; Chen, F.; Liu, Y.; Wang, Z.; Han, Y. F.Re-investigating the CO oxidation mechanism over unsupported MnO, Mn2O3 and MnO2 catalysts. Catal. Today 2008, 131, 477#8722;482. [3] Khan A, Smirniotis P G. Relationship between temperature-programmed reduction profile and activity of modified ferrite-based catalysts for WGS reaction[J]. Journal of Molecular Catalysis A Chemical, 2008, 280(1#8211;2):43-51. [4]Zhang Z, Chen L, Zhibin Li, et al. Activity and SO2 Resistance of Amorphous CeaTiOx catalysts for the Selective Catalytic Reduction of NO with NH3: In-situ DRIFT studies[J]. Catalysis Science amp; Technology, 2016. [5]Ya ping Zhang, Xiao yuan Zhao, Bao sheng Jin. Novel ultrasonic#8211;modified MnOx/TiO2 for low-temperature selective catalytic reduction (SCR) of NO with ammonia [J].Journal of Colloid and Interface Science,361 (2011) 212#8211;218. [6] Shi J Y, Fei H Q, Shang C X, et al. MnOx supported on Fe#8211;Ti spinel: A novel Mn based low temperature SCR catalyst with a high N2 selectivity[J]. Applied Catalysis B: Environmental. 181(2016) 570-580. [7]W. Sjoerd Kijlstra, Danny S. Brands, Eduard K. Poels, Alfred Bliek. Mechanism of the Selective Catalytic Reduction of NO by NH3 over MnOx/Al2O3[J]. JOURNAL OF CATALYSIS,1997, 171, 208#8211;218. [8]Wu Z, Jiang B, Liu Y, et al. DRIFT Study of Manganese/Titania-Based Catalysts for Low-Temperature Selective Catalytic Reduction of NO with NH3[J]. Environmental Science amp; Technology, 2007, 41(16):5812-7. [9]Richter M, Trun schke A, Bentrup U, et al. Selective Catalytic Reduction of Nitric Oxide by Ammonia over Egg-Shell MnOx/NaY Composite Catalysts[J]. Journal of Catalysis, 2002, 206(1):98-113. [10]Ettireddy P R, Ettireddy N, Boningari T, et al. Investigation of the selective catalytic reduction of nitric oxide with ammonia over Mn/TiO2, catalysts through transient isotopic labeling and in situ, FT-IR studies[J]. Journal of Catalysis, 2012, 292(4):53-63. [11] Machida M, Uto M, Kurogi D, et al. Solid#8211;gas interaction of nitrogen oxide adsorbed on MnOx#8211;CeO2: a DRIFTS study[J]. Journal of Materials Chemistry, 2001, 11(11):900-904. [12] Mihaylov, M.; Chakarova, K.; Hadjiivanov, K. Formation of carbonyl and nitrosyl complexes on titania- and zirconiasupported nickel: FTIR spectroscopy study[J]. J. Catal. 2004, 228, 273-281. [13]Busca G, Lietti L, Ramis G, et al. Chemical and mechanistic aspects of the selective catalytic reduction of NOx, by ammonia over oxide catalysts: A review[J]. Applied Catalysis B Environmental, 1998, 18(1#8211;2):1-36.

3. 毕业设计（论文）进程安排

（1）2月20日~3月20日：查阅文献，翻译外文文献； （2）3月21日~5月9日：了解催化剂制备，了解活性考察装置，并将制备的催化剂用于装置上进行考察；催化剂进行一系列表征，对于应用原位红外技术进行催化机理研究并能给出合理解释。

（3）5月10日~6月：撰写论文，进行修改，准备答辩。