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毕业论文网 > 任务书 > 材料类 > 材料科学与工程 > 正文

Ce-Mo-Ox/Al2O3协同催化脱除NO、CO及HC任务书

 2020-05-25 11:05  

1. 毕业设计(论文)的内容和要求

本论文首次对cemoxoy/al2o3脱硝进行了系统性研究,并针对船用柴油机实际排放工况对其协同脱除co、ch性能进行了系统性研究。

通过bet,nh3-tpd,co-tpd等表征手段,探索了材料微观结构与脱除nox、co、ch之间关系的基本规律,具有重要的理论研究意义和工程指导价值。

主要内容有:(1)相关催化剂的最新研究进展综述;(2)制备新型cemoxoy/al2o3催化剂,筛选最佳元素配比;(3)研究催化剂的nh3-scr脱除nox性能及协同脱除co和ch的效果;(4)催化剂的微观结构表征分析。

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2. 参考文献

[1] 资新运, 王琛, 姚广涛, 等. 柴油机微粒捕集器再生系统工作模式判别研究 [J]. 车用发动机, 2008, (02): 83~86. [2] 孙义存. 船舶新能源动力系统现状与发展趋势[J]. 中国水运(下半月), 2012, 12(07): 87~88. [3] Corbett J J, Winebrake J J, Green E H, et al. Mortality from Ship Emissions: A Global Assessment[J]. Environmental Science amp; Technology, 2007, 41(24): 8512~8518. [4] Jun. Y. W, Choi. J. S, Cheon. Shape Control of Semiconductor and Metal Oxide Nanocrystals through Nonhydrolytic Colloidal Routes. J. Angew. Chem. Int. Ed. 2006, 45, 3414-3439. [5] U. Schwertmann, R. M. Cornell, The Iron Oxides: Structure, Properties, Reactions, Occurrences and Uses, 2nd edn, WILEY-VCH, Weinheim, 2003. [6] Ce Yang,Jiajia Wu ,Yanglong Hou et al. Nanostructures :sythesis,growth mechanism,properties and applications. Chem. Coun., 2011, 47, 5130#8211;5141. [7] Lia X G, Takahashib S. Fabrication and characteristics of Fe3O4-polymer composite particles by hybridization. Powder Technology, 2003, 133: 156. [8] Yu Lu, Yadong Yin, Brian T. Mayers and younan xia mod-ifying the surface properties of superparamagnetic iron ox idenanoparticles through a sol- gel approach. Nano Letters, 2002, (2): 183. [9] Denga Y, Wanga L, Yanga W, et al. Preparation of magneticpolymeric particles via inverse microemulsion polymerizationprocess. Journal of Magnetism and Magnetic Materials, 2003, 257: 69. [10] Li Z, Chen H, Bao H, et al. One-pot reaction to synthesize water-soluble magnetitenanocrystals, Chem. Mater. 2004, 16: 1391-1393. [11] Li Z, Sun Q, Gao M. Preparation of water-soluble magnetite nanocrystals from hydratedferric salts in 2-pyrrolidone: mechanism leading to Fe3O4. Angew. Chem. Int. Ed, 2005, 44:123-126. [12] Sun S, Zeng H. Size-controlled synthesis of magnetite nanoparticles. J. Am. Chem. Soc. 2002, 124: 8204-8205. [13] Sun S, Zeng H, Robinson D. B, et al., Monodisperse MFe2O4 (M = Fe, Co, Mn)nanoparticles, J. Am. Chem. Soc., 2004, 126: 273-279. [14] Park J, An K, Hwang Y, et al. Ultra-large-scale syntheses of monodisperse nanocrystals, Nat. Mater. 2004, 3: 891-895. [15] Kwon S. G, Piao Y, Park J, et al. Kinetics of monodisperse iron Oxide nanocrystalformation by ”heating-up” process, J. Am. Chem. Soc., 2007, 129 : 12571-12584. [16] Kovalenko M. V, Bodnarchuk M. I, Lechner R. T, et al. Fatty Acid Salts as Stabilizers in Size- and Shape-Controlled Nanocrystal Synthesis: The Case of Inverse Spinel Iron Oxide, J. Am. Chem. Soc., 2007, 129: 6352-6353. [17] Selective catalytic reduction (SCR) of NO by NH3 over TiO2-supported V2O5 #8211;WO3 and V2O5#8211;MoO3 catalysts[J]. [18] Chemical and mechanistic aspects of the selective catalytic reduction of NOx by ammonia over oxide catalysts: A review[J]. [19] Yamazoe S, Masutani Y, Teramura K, et al. Promotion effect of tungsten oxide on photo-assisted selective catalytic reduction of NO with NH3 over TiO2[J]. APPLIED CATALYSIS B-ENVIRONMENTAL. 2008, 83(1-2): 123-130. [20] Mok Y S, Nam I S. Modeling of pulsed corona discharge process for the removal of nitric oxide and sulfur dioxide[J]. CHEMICAL ENGINEERING JOURNAL. 2002, 85(1): 87-97. [21] Brandenberger S, Kroecher O, Tissler A, et al. The State of the Art in Selective Catalytic Reduction of NOx by Ammonia Using Metal-Exchanged Zeolite Catalysts[J]. CATALYSIS REVIEWS-SCIENCE AND ENGINEERING. 2008, 50(PII 9069942344): 492-531. [22] Shen Y, Zhu S, Qiu T, et al. A novel catalyst of CeO2/Al2O3 for selective catalytic reduction of NO by NH3[J]. Catalysis Communications. 2009, 11(1): 20-23. [23] 陈亮,李俊华,葛茂发,等. CeO2-WO3复合氧化物催化剂的NH3-SCR反应机理(英文)[J]. 催化学报. 2011(05): 836-841. [24] 康双琦, 谢荣, 马婷. 船用柴油机尾气排放标准及控制技术[J]. 煤炭技术, 2012, 30(12): 216~217. [25] 冷先银, 隆武强. 船用柴油机NOx排放的机外净化技术[J]. 柴油机, 2009, 3 (31): 19~23. [26] 庞海龙,邓成林,姚广涛, 等. 船用柴油机有害物排放控制技术[J]. 船舶工程, 2011, 33(1): 21~24. [27] Lietti L, Nova I, Forzatti P. Selective catalytic reduction (SCR) of NO by NH3 over TiO2-supported V2O5-WO3 and V2O5-MoO3 catalysts[J]. Topics in Catalysis, 2000, 11(1): 111~122. [28] Fumito N, Ikuhisa H. The state-of-the-art technology of NOx control[J]. Catalysis Today, 1996, 29(1~4): 109~115. [29] Costas C N, Efstathiou A M. Low-temperature H2-SCR of NO on a novel Pt/MgO-CeO2 catalyst[J]. Applied Catalysis B: Environmental, 2007,72(3~4): 240~252. [30] Burch R, Ramli A. A comparative investigation of the reduction of NO by CH4 on Pt, Pd, and Rh catalysts[J]. Applied Catalysis B: Environmental, 1998. 15(1~2): 49~62.

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 15.12.22~15.12.26 课题任务书 15.12.27~16.1.15 文献综述、英文翻译与开题报告 16.2.20~16.3.1 试验材料准备 16.3.1~16.3.15 设计实验方案、进行实验 16.3.15~16.5.2 实验 16.5.3~16.5.8 实验、中期答辩 16.5.9~16.5.30 实验、整理实验数据、毕业论文撰写 16.5.31~16.6.10 毕业论文撰写、答辩

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