Literatura académica sobre el tema "Catalyst aging"
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Artículos de revistas sobre el tema "Catalyst aging"
Schütz, Jochen, Heike Störmer, Patrick Lott y Olaf Deutschmann. "Effects of Hydrothermal Aging on CO and NO Oxidation Activity over Monometallic and Bimetallic Pt-Pd Catalysts". Catalysts 11, n.º 3 (25 de febrero de 2021): 300. http://dx.doi.org/10.3390/catal11030300.
Texto completoWang, Tae Joong y In Hyuk Im. "Experimental and kinetic analysis of hydrothermal aging effects on ammonia adsorption capacity over a commercial Cu-zeolite selective catalytic reduction catalyst". Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, n.º 12 (28 de noviembre de 2018): 3030–42. http://dx.doi.org/10.1177/0954407018814950.
Texto completoKiss, Ernő y Goran Boskovic. "Impeded solid state reactions and transformations in ceramic catalysts supports and catalysts". Processing and Application of Ceramics 6, n.º 4 (2012): 173–82. http://dx.doi.org/10.2298/pac1204173k.
Texto completoZhang, Wei Jun, Jin Hu, Hong Luo, Li Shen, Hua Tan y Lin Su. "Relation between Cell Density and PM Content Investgation of Three-Way Catalyst". Advanced Materials Research 624 (diciembre de 2012): 291–94. http://dx.doi.org/10.4028/www.scientific.net/amr.624.291.
Texto completoMorosanu, Eduard Alexandru, Fabio Salomone, Raffaele Pirone y Samir Bensaid. "Insights on a Methanation Catalyst Aging Process: Aging Characterization and Kinetic Study". Catalysts 10, n.º 3 (2 de marzo de 2020): 283. http://dx.doi.org/10.3390/catal10030283.
Texto completoSong, Chaoming, Lihong Zhang, Zhenguo Li, Yiren Lu y Kaixiang Li. "Co-Exchange of Mn: A Simple Method to Improve Both the Hydrothermal Stability and Activity of Cu–SSZ-13 NH3–SCR Catalysts". Catalysts 9, n.º 5 (17 de mayo de 2019): 455. http://dx.doi.org/10.3390/catal9050455.
Texto completoKawanami, Yasuhiro y Ryo Yanagita. "Practical Enantioselective Reduction of Ketones Using Oxazaborolidine Catalysts Generated In Situ from Chiral Lactam Alcohols". Molecules 23, n.º 10 (20 de septiembre de 2018): 2408. http://dx.doi.org/10.3390/molecules23102408.
Texto completoKhandavalli, Sunilkumar, Jaehyung Park, Robin Rice, Guido Bender, Deborah J. Myers, Michael Ulsh y Scott A. Mauger. "Tuning the Rheology of Anode Inks with Aging for Low-Temperature Polymer Electrolyte Membrane Water Electrolyzers". ECS Meeting Abstracts MA2022-02, n.º 40 (9 de octubre de 2022): 1483. http://dx.doi.org/10.1149/ma2022-02401483mtgabs.
Texto completoZhao, Hong Xia y Hai Liang Lü. "Study of Co/ZrO2 Catalysts in Fischer-Tropsch Synthesis". Advanced Materials Research 850-851 (diciembre de 2013): 120–23. http://dx.doi.org/10.4028/www.scientific.net/amr.850-851.120.
Texto completoJiang, J. C., X. Q. Pan, G. W. Graham, R. W. McCabe y J. Schwank. "Transmission Electron Microscopy Studies of Pd Encapsulation by Ceria-Zirconia Oxides". Microscopy and Microanalysis 4, S2 (julio de 1998): 724–25. http://dx.doi.org/10.1017/s1431927600023746.
Texto completoTesis sobre el tema "Catalyst aging"
Li, Haitao. "Supercritical carbon dioxide aided preparation of nickel oxide/alumina aerogel catalyst". [Tampa, Fla.] : University of South Florida, 2005. http://purl.fcla.edu/fcla/etd/SFE0001090.
Texto completoMOROSANU, EDUARD ALEXANDRU. "Catalytic processes for CO2 conversion into Synthetic Methane". Doctoral thesis, Politecnico di Torino, 2020. http://hdl.handle.net/11583/2841162.
Texto completoKandilli, Nur. "Development Of A Three Way Catalytic Converter For Elimination Of Hydrocarbons, Carbon Monoxide And Nitric Oxide In Automotive Exhaust". Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612546/index.pdf.
Texto completoC and 600 º
C. Gas composition data from massspectrometer and CO analyzer and temperature data from thermocouple at the monolith entrance, are converted to conversion versus temperature graphs. Results of 26 activity tests are compared. Catalyst containing coimpregnated CZO support material with metals, showed the lowest loss of catalytic performance after exposure to SO2 during activity tests. Catalyst containing separately impregnated CZO support material, showed the highest resistance against thermal aging at 900 º
C and 1000 º
C, and even improved catalytic activity after aging. These catalysts showed higher resistances against the applied procedures than the commercial catalyst.
Birgersson, Henrik. "Development and Assessment of Regeneration Methods for Commercial Automotive Three-Way Catalysts". Doctoral thesis, Stockholm, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3931.
Texto completoPanpranot, Joongjai. "Hydrothermal aging of zeolite-based catalysts". Morgantown, W. Va. : [West Virginia University Libraries], 1998. http://etd.wvu.edu/templates/showETD.cfm?recnum=274.
Texto completoTitle from document title page. Document formatted into pages; contains xi, 84 p. : ill. Includes abstract. Includes bibliographical references (p. 64-67).
Blades, Luke Aubrey William. "Ageing mechanisms in automotive catalysts". Thesis, Queen's University Belfast, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.695255.
Texto completoWoods, Andrew John. "Ageing and characterisation of automotive catalysts". Thesis, Queen's University Belfast, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.486263.
Texto completoRachele, Karen Gonçalves. "Estudo de catalisadores modelo à base de CeO2-ZrO2 dopado com cobre para controle de emissões de NOx". Universidade do Estado do Rio de Janeiro, 2012. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=5048.
Texto completoConvencionalmente, metais nobres são empregados como metais ativos em catalisadores automotivos, mas o uso de cobre vem sendo estudado pelo fato de promover sítios ativos para adsorção química e redução de NOx. Diante deste contexto, esta dissertação visa testar novas formulações de catalisadores, com foco em seu desempenho na reação de redução do NO pelo CO e sua seletividade a N2. Foram avaliados o método de adição de cobre no preparo e os teores de cobre utilizados na preparação. Os métodos de adição utilizados foram impregnação a seco (IS), reação em estado sólido (RS) e coprecipitação (CO). Os teores de cobre estudados ficaram entre 0,36 e 6,9% (m/m). Além disso, foi estudado o impacto no desempenho do catalisador após envelhecimento térmico a 950C por 12h. Foram empregadas as seguintes técnicas de caracterização textural e físico-química como espectrometria de absorção atômica, fisissorção de N2, difração de raios X, espectroscopia Raman e redução a temperatura programada. Os catalisadores também foram avaliados na reação de redução do NO pelo CO. A análise textural indicou que o método de coprecipitação levou a características texturais diferentes dos outros catalisadores. Análises de DRX mostraram a formação de CuO cristalino para teores iguais ou superiores a 3,3% (m/m) de cobre. As análises de Redução a Temperatura Programada (RTP) indicaram que ocorreu uma forte interação na interface entre o suporte e as espécies de cobre dispersas, acompanhada da diminuição da temperatura de redução do CuO e da redução parcial da céria em temperaturas mais baixas. Os testes catalíticos mostraram um melhor desempenho dos catalisadores (IS) que apresentaram conversões mais elevadas em menores temperaturas. Com relação ao envelhecimento, observou-se uma diminuição significativa da eficiência dos catalisadores. Uma comparação com catalisadores à base de metal nobre mostrou um bom desempenho dos catalisadores à base de cobre, com a vantagem destes apresentarem emissão de N2O restrita a baixas temperaturas
Conventionally, noble metals are used as active metals in automotive catalytic converters, but the use of copper has been studied because copper promote active sites for chemical adsorption and reduction of NOx. Thus, this work aims to test new formulations of automotive catalysts, focusing on their performance in catalytic reduction of NO by CO and its selectivity to N2. The method of copper addition and the copper contents used in the preparation were evaluated. The addition methods used were dry impregnation (IS), solid state reaction (RS) and coprecipitation (CO). The copper contents studied were between 0,36 e 6,9 wt%. In addition, the impact on catalyst performance after thermal aging at 950 C for 12h was also studied. Textural and physico-chemical caracterization techniques were employed, such as atomic absorption spectrometry, N2 physisorption, X-ray diffraction, Raman spectroscopy and temperature programmed reduction. Catalysts were evaluated in the reduction reaction of NO by CO. The textural analysis indicated that addition of copper by the coprecipitation method led to textural characteristics different from the other catalysts. XRD analysis showed the formation of crystalline CuO for contents equal to or greater than 3,3 wt% of copper. TPR analysis indicated that there was a strong interaction at the interface between the substrate and the copper species dispersed together with the lowering of the temperature reduction of CuO and the partial reduction of ceria at lower temperatures. The catalytic activity results showed a better performance of the (IS) catalysts, which showed higher conversions at lower temperatures. Concerning the aging process, there was a significant decrease in the efficiency of the catalysts. A comparison with catalysts doped with noble metal showed good performance of the catalysts doped with copper, with the advantage of these presenting N2O emission restricted to low temperatures
Casapu, Maria Cristina. "NOx storage-reduction catalysts : material aspects, thermal ageing and reactivation". kostenfrei, 2007. http://e-collection.ethbib.ethz.ch/view/eth:30178.
Texto completoWang, Fagen. "Hydrogen production from steam reforming of ethanol over an Ir/ceria-based catalyst : catalyst ageing analysis and performance improvement upon ceria doping". Phd thesis, Université Claude Bernard - Lyon I, 2012. http://tel.archives-ouvertes.fr/tel-00967128.
Texto completoCapítulos de libros sobre el tema "Catalyst aging"
Wang, Xueqin y Xiangsheng Wang. "Aging and Coke Depositing on Nanometer ZSM-5 Zeolite". En Combinatorial Catalysis and High Throughput Catalyst Design and Testing, 447–50. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4329-5_22.
Texto completoPatel, Mogon, Steve Black y Julian Murphy. "Aging Complexities Induced by the Organotin Catalyst in Foamed Polysiloxane Elastomers". En ACS Symposium Series, 16–25. Washington, DC: American Chemical Society, 2007. http://dx.doi.org/10.1021/bk-2007-0978.ch002.
Texto completoVaisnav, S. Mithun y Sivanesan Murugesan. "Temperature Control Methodology for Catalytic Convertor to Reduce Emissions and Catalyst Aging". En Intelligent Manufacturing and Energy Sustainability, 239–47. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-6482-3_24.
Texto completoWeber, S., J. C. W. Chien y Y. Hu. "Determination of the Titanium Oxidation States in a MgCl2-Supported Ziegler-Natta Catalyst (CW-Catalyst) During Aging and Polymerization". En Transition Metals and Organometallics as Catalysts for Olefin Polymerization, 45–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-83276-5_5.
Texto completoShuai, Shijin, Yinhui Wang, Junfeng Chen y Jianhua Xiao. "Experimental Study of Influence of Gasoline Fuel with MMT on Aging Performance of Three-Way Catalyst". En Lecture Notes in Electrical Engineering, 571–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33841-0_44.
Texto completoBush, Ashley I. y Lee E. Goldstein. "Specific Metal-Catalysed Protein Oxidation Reactions in Chronic Degenerative Disorders of Ageing: Focus on Alzheimer's Disease and Age-Related Cataracts". En Ageing Vulnerability: Causes and Interventions, 26–43. Chichester, UK: John Wiley & Sons, Ltd, 2008. http://dx.doi.org/10.1002/0470868694.ch4.
Texto completoBailly, C., A. Benamar, F. Corbineau y D. Côme. "Changes in Superoxide Dismutase, Catalase and Glutathione Reductase Activities in Sunflower Seeds during Accelerated Ageing and Subsequent Priming". En Basic and Applied Aspects of Seed Biology, 665–72. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5716-2_74.
Texto completoTian, Huiping, Congjun Huang y Zhongbi Fan. "Metals on a Novel USY Zeolite after Hydrothermal Aging". En Catalyst Deactivation 2001, Proceedings of the 9th International Symposium, 351–58. Elsevier, 2001. http://dx.doi.org/10.1016/s0167-2991(01)80217-2.
Texto completoBart, J. M., M. Prigent y A. Pentenero. "Study of hydrocarbons removal with a three-way automotive catalyst after severe thermal aging". En Catalysis and Automotive Pollution Control III, Proceedings of the Third International Symposium CAPoC 3, 813–28. Elsevier, 1995. http://dx.doi.org/10.1016/s0167-2991(06)81477-1.
Texto completoSarkany, A. "Self-poisoning and aging of Pd-Ag/Al2O3 in semi-hydrogenation of 1,3-butadiene: Effects of surface inhomogeneity caused by hydrocarbonaceous deposits". En Catalyst Deactivation, Proceedings of the 7th International Symposium, 111–18. Elsevier, 1997. http://dx.doi.org/10.1016/s0167-2991(97)80145-0.
Texto completoActas de conferencias sobre el tema "Catalyst aging"
Hepburn, Jeffrey, Timothy Chanko, JoAnne McKenzie, Robert Jerger y Douglas Dobson. "OBD-II Threshold Catalyst Aging Process". En 1997 SAE International Fall Fuels and Lubricants Meeting and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1997. http://dx.doi.org/10.4271/972853.
Texto completoKim, Jeong Y., Yisun Cheng, Joseph E. Patterson, Paul M. Laing y Christine K. Lambert. "Modeling Study of Urea SCR Catalyst Aging Characteristics". En SAE World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2007. http://dx.doi.org/10.4271/2007-01-1580.
Texto completoRuetten, Oliver, Stefan Pischinger, Carsten Küpper, Rolf Weinowski, David Gian, Dmitry Ignatov, Winston Betton y Michael Bahn. "Catalyst Aging Method for Future Emissions Standard Requirements". En SAE 2010 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2010. http://dx.doi.org/10.4271/2010-01-1272.
Texto completoMooney, J. J., W. M. Rudy, L. A. Lautman y H. S. Hwang. "High Temperature Aging Cycle for European Catalyst Applications". En 1985 SAE International Fall Fuels and Lubricants Meeting and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1985. http://dx.doi.org/10.4271/852098.
Texto completoWang, Weidong, Shi Xu, Xiaoming Li, Gang Xu, Tianpeng Han, Jun Yue, Xinhua Li y Liwei Jia. "Study on Rapid Aging Method of CNG Catalyst". En WCX SAE World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2022. http://dx.doi.org/10.4271/2022-01-0586.
Texto completoBurkholder, S. P. y Barry J. Cooper. "Effect of Aging and Testing Conditions on Catalyst Performance". En Automotive Industry in Expanding Countries. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1991. http://dx.doi.org/10.4271/911734.
Texto completoMcGuire, Nicholas E., Neal P. Sullivan, Robert J. Kee, Huayang Zhu, James A. Nabity, Jeffrey R. Engel, David T. Wickham y Michael Kaufman. "Hexaaluminate Catalysts for Fuel Reforming". En ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/fuelcell2008-65231.
Texto completoPetersson, Martin, Martin Bergqvist, Ingemar Gottberg, Jeffrey B. Hoke y Ronald M. Heck. "PremAir® Catalyst System - Long-term On-road Aging Results". En International Fuels & Lubricants Meeting & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2000. http://dx.doi.org/10.4271/2000-01-2925.
Texto completoNagashima, Ken y Makoto Nagata. "Modeling of Catalyst Sintering and Study of Accelerated Aging Based on Pt/Al2o3 as a Model Catalyst". En SAE World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2007. http://dx.doi.org/10.4271/2007-01-1134.
Texto completoCheng, Yisun y Yinyan Huang. "Deactivation of Cu/Zeolite SCR Catalyst under Lean-Rich Aging Conditions". En SAE 2010 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2010. http://dx.doi.org/10.4271/2010-01-1180.
Texto completoInformes sobre el tema "Catalyst aging"
Holladay, Jamelyn. Fundamental Understanding of Cu-zeolite SCR Catalyst Aging Mechanism - CRADA 452. Office of Scientific and Technical Information (OSTI), febrero de 2021. http://dx.doi.org/10.2172/1827785.
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