CeO2/Al2O3脱硝催化剂的抗中毒改性研究任务书

 2021-10-25 21:01:58

1. 毕业设计(论文)的内容和要求

课题组前期研制的CeO2/Al2O3脱硝催化剂表现出优异的NH3-SCR脱硝活性,本课题将重点考察水蒸气、SO2、CO2、碱金属等对该体系催化剂脱硝性能的影响,并对其抗中毒性能进行改性研究。

(1)在第1章引言部分,通过文献阅读和总结分析,给出如下内容:在课题组前期研制出的脱硝活性优异的CeO2/Al2O3催化剂基础上,采用过渡金属离子掺杂制备复合型催化剂,研究其性能。

(2)在第2章总体方案设计部分,在制备过程考察过渡金属离子种类、掺杂量、制备条件等因素对催化剂性能的影响(3)第3章,在优化制备复合型催化剂基础上,重点研究水蒸气、SO2、CO2以及碱金属等对该体系催化剂脱硝性能的影响,并分析其中毒的机理。

剩余内容已隐藏,您需要先支付后才能查看该篇文章全部内容!

2. 参考文献

[1] Gao Y, Wu X, Robin N, et al. Sulphation and ammonia regeneration of a Pt/MnOx-CeO2/Al2O3 catalyst for NOx-assisted soot oxidation[J]. Catalysis Science rez L, Gu S, et al. Highly efficient Ni/CeO2-Al2O3 catalysts for CO2 upgrading via reverse water-gas shift: Effect of selected transition metal promoters[J]. Applied Catalysis B Environmental, 2018, 232:464-471. [6] Patrick L, Paolo D, Maria C, et al. The Effect of Prereduction on the Performance of Pd/Al2O3 and Pd/CeO2 Catalysts during Methane Oxidation[J]. Industrial Engineering Chemistry Research, 2019, 58(28):12561-12570. [7] Liu Z, Feng X, Zhou Z, et al. Ce-Sn binary oxide catalyst for the selective catalytic reduction of NOx by NH3[J]. Applied Surface Science, 2018, 428: 526-533. [8] Wang Y, Bernd N. Environmental risk assessment of engineered nano-SiO2, nano iron oxides, nano-CeO2, nano-Al2O3, and quantum dots[J]. Environmental Toxicology Chemistry, 2018, 37(5):1387-1395.[9] Yan W, Shen Y, Zhu S, et al. Promotional Effect of Molybdenum Additives on Catalytic Performance of CeO2/Al2O3 for Selective Catalytic Reduction of NOx[J]. Catalysis Letters, 2016, 146(7):1221-1230.[10] Zhou X, Lai X, Lin T, et al. Preparation of a monolith MnOx-CeO2/La-Al2O3 catalyst and its properties for catalytic oxidation of toluene[J]. New Journal of Chemistry, 2018, 42:16875-16885.[11] Deniz K, Dheerendra S, Serkan K, et al. Facilitating role of Pd for hydrogen, oxygen and water adsorption/desorption processes from bulk CeO2 and CeO2 /γ-Al2O3[J]. Catalysis Today, 2019, 323:141-147. [12] Han L, Gao M, Hasegawa J, et al. SO2-tolerant Selective Catalytic Reduction of NOx over Meso-TiO2@Fe2O3@Al2O3 Metal-based Monolith Catalysts[J]. Environmental Science and Technology, 2019, 53(11):6462-6473.[13] Jin Q, Shen Y, Zhu S, et al. Rare earth ions (La, Nd, Sm, Gd, and Tm) regulate the catalytic performance of CeO2/Al2O3 for NH3-SCR of NO[J]. Journal of Materials Research, 2017, 32(12):2438-2445. [14] Li W. Promotion of transition metal oxides on the NH3-SCR performance of ZrO2-CeO2 catalyst[J]. Frontiers of Environmental Science Engineering, 2017, 11(2):87-95.[15] Ke Y, Huang W, Li S, et al. Surface Acidity Enhancement of CeO2 Catalysts via Modification with a Heteropoly Acid for the Selective Catalytic Reduction of NO with Ammonia[J]. Catalysis Science Technology, 2019, 9: 5774-5785.[16] Ma Y, Zhang D, Sun H, et al. Fe-Ce Mixed Oxides Supported on Carbon Nanotubes for Simultaneous Removal of NO and Hg in Flue Gas[J]. Industrial Engineering Chemistry Research, 2018, 57(9):3187-3194.[17] Mahnaz P, Nosrat I, Alimorad R, et al. Synthesis of CeOx/γ-Al2O3 catalyst for the NH3-SCR of NOx[J]. Materials Research Bulletin, 2018, 97:1-5.[18] Geng Y, Chen X, Yang S, et al. Promotional Effects of Ti on a CeO2-MoO3 Catalyst for the Selective Catalytic Reduction of NOx with NH3[J]. Acs Applied Materials Interfaces, 2017, 9(20):16951-16958. [19] Selleri T, Gramigni F, Nova I, et al. NO oxidation on Fe- and Cu-zeolites mixed with BaO/Al2O3: free oxidation regime and relevance for the NH3-SCR chemistry at low temperature[J]. Applied Catalysis B Environmental, 2018, 225:324-331.[20] Chen X, Yang G, Shan W, et al. Deactivation effects of potassium on a CeMoTiOx catalyst for the selective catalytic reduction of NOx with NH3[J]. Industrial Engineering Chemistry Research, 2018, 57(5):1399-1407.[21] Guo R, Li M, Sun P, et al. Mechanistic Investigation of the Promotion Effect of Bi Modification on the NH3-SCR Performance of Ce/TiO2 Catalyst[J]. Journal of Physical Chemistry C, 2017, 121(49): 27535-27545.

剩余内容已隐藏,您需要先支付 10元 才能查看该篇文章全部内容!立即支付

以上是毕业论文任务书,课题毕业论文、开题报告、外文翻译、程序设计、图纸设计等资料可联系客服协助查找。