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The Impact of Pre-Turbine Catalyst Placement on Methane Oxidation in Lean-Burn Gas Engines: An Experimental and Numerical Study
Technical Paper
2017-01-1019
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The effect of increased pressure relevant to pre-turbine catalyst positioning on catalytic oxidation of methane over a commercial Pd-Pt model catalyst under lean conditions is investigated both experimentally and numerically. The possible gas phase reactions due to high temperature and pressure were tested with an inert monolith. Catalyst activity tests were conducted for both wet and dry gas mixtures and the effect of pressure was investigated at 1, 2 and 4 bar. Aside from the water in the inlet stream, the water produced by oxidation of methane in dry feed inhibited the activity of the catalyst as well. Experiments were carried out to check the effect of added water in the concentration range of water produced by methane oxidation on the catalyst activity. Based on the experimental results, a global oxidation rate equation is proposed. The reaction rate expression is first order with respect to methane and -1.15 with respect to water. Although higher pressure leads to longer residence time, the higher pressure also increases the water concentration on the catalyst surface. Thus, the beneficial effect of pressure is affected by the inhibitory effect of water on the catalyst activity, particularly at lower temperatures.
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Authors
- Bentolhoda Torkashvand - Karlsruhe Institute of Technology (KIT)
- Andreas Gremminger - Karlsruhe Institute of Technology (KIT)
- Simone Valchera - Karlsruhe Institute of Technology (KIT)
- Maria Casapu - Karlsruhe Institute of Technology (KIT)
- Jan-Dierk Grunwaldt - Karlsruhe Institute of Technology (KIT)
- Olaf Deutschmann - Karlsruhe Institute of Technology (KIT)
Citation
Torkashvand, B., Gremminger, A., Valchera, S., Casapu, M. et al., "The Impact of Pre-Turbine Catalyst Placement on Methane Oxidation in Lean-Burn Gas Engines: An Experimental and Numerical Study," SAE Technical Paper 2017-01-1019, 2017, https://doi.org/10.4271/2017-01-1019.Data Sets - Support Documents
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References
- Ciuparu D. , Lyubovsky M.R. , Altman E. , Pfefferle L.D. , Datye A. Catalytic combustion of methane over palladium-based catalysts Catal. Rev. Sci.Eng. 44 593 649 2002 10.1081/CR-120015482
- Gelin P. , Primet M. Complete oxidation of methane at low temperature over noble metal based catalysts: a review Appl. Catal. B: Environ. 39 1 37 2002 10.1016/S0926-3373(02)00076-0
- Ciuparu D. , Perkins E. , Pfefferle L. In situ DR-FTIR investigation of surface hydroxyls on γ-Al 2 O 3 supported PdO catalysts during methane combustion Appl. Catal. A: Gen. 263 145 153 2004 10.1016/j.apcata.2003.12.006
- Cullis C.F. , Nevell T.G. , Trimm D.L. Role of the catalyst support in the oxidation of methane over palladium J. Chem. Soc., Faraday Trans. 1: Phys. Chem.Condens. Phases 68 1406 1412 1972 10.1039/F19726801406
- Eriksson S. , Boutonnet M. , Jaras S. Catalytic combustion of methane in steam and carbon dioxide-diluted reaction mixtures Appl. Catal. A-Gen. 312 95 101 2006 10.1016/j.apcata.2006.06.032
- Escandon L.S. , Nino D. , Diaz E. , Ordonez S. , Diez F.V. Effect of hydrothermal ageing on the performance of Ce-promoted PdO/ZrO2 for methane combustion Catal. Commun. 9 2291 2296 2008 10.1016/j.catcom.2008.05.026
- Gremminger A. T. , Pereira de Carvalho H. W. , Popescu R. , Grunwaldt J.-D. , Deutschmann O. Influence of gas composition on activity and durability of bimetallic Pd-Pt/Al 2 O 3 catalysts for total oxidation of methane Catal. Today 258 470 480 2015 10.1016/j.cattod.2015.01.034
- Schwartz W.R. , Ciuparu D. , Pfefferle L.D. Combustion of Methane over Palladium-Based Catalysts: "Catalytic Deactivation and Role of the Support J. Phys. Chem. C 116 8587 8593 2012 10.1021/jp212236e
- Gholami R. , Alyani M. , Smith K.J. Deactivation of Pd Catalysts by Water during Low Temperature Methane Oxidation Relevant to Natural Gas Vehicle Converters Catalysts 5 2 561 594 2015 10.3390/catal5020561
- Satterfield C.N. Heterogeneous catalysis in practice McGraw-Hill Company 1980 10.1002/aic.690270223
- Günter T. , Schäfer K. , Pesek J. , Bertótiné Abai A. , Casapu M. , Deutschmann O. , Grunwaldt J.-D. Cu-SSZ-13 as pre-turbine NOx-removal-catalyst: Impact of pressure and catalyst poisons Appl. Catal. B 198 548 557 2016 10.1016/j.apcatb.2016.06.005
- Kröcher O. , Elsener M. , Bothien M.R. , Dölling W. Pre-Turbo Scr - Influence of Pressure on NOx Reduction MTZ worldwide 75 4 46 51 2014 10.1007/s38313-014-0140-x
- Subramaniam , M. , Hayes , C. , Tomazic , D. , Downey , M. et al. Pre-Turbo Aftertreatment Position for Large Bore Diesel Engines - Compact & Cost-Effective Aftertreatment with a Fuel Consumption Advantage SAE Int. J. Engines 4 1 106 116 2011 10.4271/2011-01-0299
- Groppi G. , Ibashi W. , Valentini M. , Forzatti P. High-temperature combustion of CH 4 over PdO/Al 2 O 3 : kinetic measurements in a structural annular reactor Chem. Eng. Sc. 56 831 839 2001 10.1016/S0009-2509(00)00295-5
- Persson K. , Pfefferle L.D. , Schwart W. , Ersson A. , Jaeras S.G. Stability of palladium-based catalysts during catalytic combustion of methane: The influence of water Appl. Catal. B-Env 74 242 250 2007 10.1016/j.apcatb.2007.02.015
- Deutschmann O. , Tischer S. , Kleditzsch S. , Janardhanan V.M. , Correa C. , Chatterjee D. , Mladenov N. , Minh H.D. DETCHEM Software package, version 2.3 www.detchem.com 2013
- Mladenov N. , Koop J. , Tischer S. , Deutschmann O. Modeling of transport and chemistry in channel flows of automotive catalytic converters Chem. Eng. Sc. 65 812 826 2010 10.1016/j.ces.2009.09.034
- Raja L.L. , Kee R.J. , Deutschmann O. , Warnatz J. , Schmidt L.D. A critical evaluation of Navier-Stokes, boundary-layer, and plug-flow models of the flow and chemistry in a catalytic-combustion monolith Catal. Today 59 47 60 2000 10.1016/S0920-5861(00)00271-6
- Kee R.J. , Dixon-Lewis G. , Warnatz J. , Coltrin M.E. , Miller J.A. Sandia Report SAND86-8246 Sandia National Laboratories New Mexico 1986
- Fujimoto K. , Ribeiro F.H. , Avalos-Borja M. , Iglesia E. Structure and Reactivity of PdOx/ZrO2 Catalysts for Methane Oxidation at Low Temperatures J. Catalysis 179 431 442 1998
- Trinchero A. , Hellman A. , Gröneck H. Methane oxidation over Pd and Pt studied by DFT and kinetic modeling Surf. Sc 616 206 213 2013 10.1016/j.susc.2013.06.014
- Xin Y. , Wang H. , Law C.K. Kinetics of catalytic oxidation of methane, ethane and propane over palladium oxide Combustion and Flame 161 1048 1054 2014 10.1016/j.combustflame.2013.10.023
- Bergeret G. , Gallezot P. Particle size and dispersion measurements Ertl G. , Knözinger H. , Schüth F. , Weitkamp J. Handbook of Heterogeneous Catalysis 2nd Wiley-VCH Verlag GmbH & Co. KGaA 2008 738 765
- Castellazzi P. , Groppi G. , Forzatti P. , Baylet A. , Marecot P. , Duprez D. Role of Pd loading and dispersion on redox behaviour and CH4 combustion activity of Al 2 O 3 supported catalysts Catal. Today 155 18 26 2010 10.1016/j.cattod.2009.02.029
- Müller C.A. , Maciejewski M. , Koeppel R.A. , Baiker A. Combustion of methane over palladium/zirconia: effect of Pd-particle size and role of lattice oxygen Catal. Today 47 245 252 1999 10.1016/S0920-5861(98)00305-8
- Hayes R.E. , Kolaczkowski S.T. , Li P.K.C. , Awdry S. The palladium catalysed oxidation of methane: reaction kinetics and the effect of diffusion barriers Chem. Eng. Sc 56 4815 4835 2001 10.1016/S0009-2509(01)00131-2
- Kolaczkowski , S. T. , Thomas , W. J. , Titiloye , J. , & Worth , D. J. Catalytic combustion of methane in a monolith reactor: Heat and mass transfer under laminar flow and pseudo-steady-state reaction conditions Combustion Science and Technology 118 79 100 1996 10.1080/00102209608951973
- Liu , B. , Hayes , R. E. , Checkel , M. D. , Zheng , M. , & Mirosh , E. Reversing How catalytic converter for a natural gas/diesel dual fuel engine Chemical Engineering Science 56 8 2641 2658 2001 10.1016/S0009-2509(00)00535-2
- Hurtado P. , Ordonez S. , Sastre H. , Diez F.V. Combustion of methane over palladium catalyst in the presence of inorganic compounds: inhibition and deactivation phenomena Appl. Catal. B: Environ. 47 85 93 2004 10.1016/S0926-3373(03)00328-X
- Narui K. , Yata H. , Furuta K. , Nishida A. , Kohtoku Y. , Matsuzaki T. Effects of addition of Pt to PdO/Al 2 O 3 catalyst on catalytic activity for methane combustion and TEM observations of supported particles Appl. Catal. A-Gen 179 1-2 165 173 1999 10.1016/S0926-860X(98)00306-8
- Coller D.H. , Vincente B.C. , Scott S.L. Rapid extraction of quantitative kinetic information from variable-temperature reaction profiles Chem. Eng. J 303 182 193 2016 10.1016/j.cej.2016.05.136