非贵金属催化膜的制备及其NOx-SCR性能评价任务书
2020-04-30 16:12:59
1. 毕业设计(论文)的内容和要求
近年来随着工业的迅猛发展,人民的生活水平不断提高,也带来了严峻的大气污染问题。
大气污染物以气态和颗粒两种形式存在于大气中,其主要来源是工业中煤和石油的燃烧,大量地排放出五大污染物#8212;#8212;硫氧化物(sox)、氮氧化物(nox)、碳氢化合物(ch)、一氧化碳(co)及颗粒物。
其中一氧化氮(no)、一氧化二氮(n2o)等在内的氮氧化物是导致光化学烟雾、酸雨和雾霾等一系列环境问题的主要污染物之一,此外,氮氧化物的排放加速了二次气溶胶和pm2.5颗粒的形成,因此需要对尾气中的nox和细小颗粒污染物进行有效的脱除。
2. 参考文献
[1]NACKEN M, HEIDENREICH S, HACKEL M, et al. Catalytic activation of ceramic filter elements for combined particle separation, NOx removal and VOC total oxidation [J]. Applied Catalysis B Environmental, 2007, 70(1#8211;4): 370-6. [2]KIM Y A, CHOI J H, SCOTT J, et al. Preparation of high porous Pt-V2O5-WO3/TiO2/SiC filter for simultaneous removal of NO and particulates [J]. Powder Technology, 2008, 180(1#8211;2): 79-85. [3]NACKEN M, HEIDENREICH S, HACKEL M, et al. Catalytic activation of ceramic filter elements for combined particle separation, NOx removal and VOC total oxidation [J]. Applied Catalysis B Environmental, 2007, 70(1#8211;4): 370-6. [4]Nacken M, Ma L, Engelen K, et al. Development of a tar reforming catalyst for integration in a ceramic filter element and use in hot gas cleaning[J]. Industrial Engineering Chemistry Research, 2007, 46(7): 1945-1951. [5]Busca G, Larrubia M A, Arrighi L, et al., Catalytic abatement of NOx : chemical and mechanistic aspects, Catal. Today, 2005, 107: 139-148. [6]Shan W, Liu F, He H, et al., Novel cerium-tungsten mixed oxide catalyst for the selective catalytic reduction of NOX with NH3, Chem. Commun., 2011,47(28): 8046-8048. [7]Brandenberger S, Krocher O, Tissler A, et al., The state of the art in selective catalytic reduction of NOx by ammonia using metal-exchanged zeolite catalysts, Catal. Rev., 2008, 50(4): 492-531. [8]Kim J, Jentys A, Maier S M, et al., Characterization of Fe-exchanged BEA zeolite under NH3 selective catalytic reduction conditions, J. Phys. Chem. C, 2013, 117(2): 986-993.
3. 毕业设计(论文)进程安排
2018.01-2018.03 熟悉课题、文献检索及阅读,英文文献翻译 2018.03-2018.04 熟悉实验操作,开题报告 2018.04-2018.05 完成实验 2018.05-2017.06 整理数据,撰写论文