OP-II-3

OP-III-B-10On this basis it can be seen that care is needed to insure that although the catalyticreactor may convert the very low concentrations of methane present, the associatedenergy release must be in excess of that needed for preheating the feed.Fig. 1. Effect of inlet temperature on CH 4 conversion in presence of CO 2 ; same legends.ReferencesFig. 2. Heat gain as a function of feed inlet temperature; same legends.[1]. Y. Lafay, B. Taupin, G. Martins, G. Cabot, B. Renou and A Boukhalfa, “Experimental study ofbiogas combustion using a gas turbine configuration”, Exp. Fluids, 2007, 43 395-410.[2]. F.Liu, H. Guo and G.J. Smallwood, “The chemical effect of CO 2 replacement of N 2 in air on theburning velocity of CH 4 and H 2 premixed flames”, Combust. Flame, 2003, 133 495-497.[3]. S. Eriksson, M. Boutonnet and S. Jaras, ”Catalytic combustion of methane in steam and carbondioxide-diluted reaction mixtures”, Appl. Catal., A, 2006, 312 95-101.[4]. J.J. Witton, E. Noordally and J.M. Przybylski,” Clean catalytic combustion of low heat value fuelsfrom gasification processes”, Chem. Eng. J., 2003, 91 115–121.[5]. Y. Chao, G. Chen, H. Hsu and J. Hsu,” Catalytic combustion of gasified biomass in a platinummonolith honeycomb reactor”, Appl. Catal., A, 2004, 261 99-107.[6]. S.A. Shahamiri and I. Wierzba, “Simulation of catalytic oxidation of lean hydrogen–methanemixtures”, Int. J. Hydrogen Energy, 2009, 34(14) 5785-5794.AcknowledgementsThe financial supports of Natural Sciences and Engineering Research Council of Canada (NSERC),Centre for Environmental Engineering Research and Education at the University of Calgary (CEERE),Canadian Prairie Air & Waste Management and Northern Section (CPANS), ConocoPhillips Canadaand Talisman Energy Inc are greatly appreciated.199