Boreskov Institute of Catalysis of the Siberian Branch of Russian ...

OP-IV-5Simulation results and conclusionsThe temperature profiles for packed bed and wall-coated reactors are shown in theFigures 1 and 2. The simulation was run for a reactor longitude where total conversion wasachieved. Thus, for packed bed reactor this distance was 0.92 cm and for wall coated reactor itwas 2 cm. Total conversion is reached at low reactor longitude with a packed bed but, a hightemperature gradient was found (40 K). However, the wall-coated reactor showed a almostisothermal profile, in spite of the high endothermic nature of ethanol reforming reaction.Therefore, the wall-coated reactor is a better choice for this process, because its thermalbehavior lets to reduce operational problems such as catalyst deactivation by coking at lowtemperatures, and many others.Fig. 1. Temperature profile for packed bed reactor.Fig. 2. Temperature profile for wall coated reactor.References1. M. Benito, R. Padilla, L. Rodríguez, J.L. Sanz & L. Daza, J. Power Sources, 169, 167–176 (2007).2. J-L. Bi, Y-Y. Hong, C-C. Lee, C-T. Yeh & C-B. Wang, Catal. Today, 129, 322–329 (2007).3. J. Comas, M.L. Dieuzeide, G. Baronetti, M. Laborde & N. Amadeo, Chem. Eng. J., 118, 11–15 (2006).4. N. Homs, J. Llorca & P. Ramírez de la Piscina, Catal. Today, 116, 361–366 (2006).5. N. Laosiripojana & S. Assabumrungrat, Appl. Catal., B: Environ., 66, 29–39 (2006).6. J.W.C. Liberatori, R.U. Ribeiro, D. Zanchet, F.B. Noronha & J.M.C. Bueno, Appl. Catal., A: Gen.,327, 197–204 (2007).7. A. Akande, A. Aboudheir, R. Idem & A. Dalaic, Int. J. Hydrogen Energy, 31, 1707 – 1715 (2006).8. D.R. Sahoo, S. Vajpai, S. Patel & K.K. Pant, Chem. Eng. J., 125, 139–147 (2007).9. J. Sun, X-P. Qiu, F. Wu & W-T. Zhu, Int. J. Hydrogen Energy, 30, 437 – 445 (2005).10. A. Therdthianwong, T. Sakulkoakiet & S. Therdthianwong. ScienceAsia, 27, 193-198 (2001).11. P.D. Vaidya & A.E. Rodrigues, Ind. Eng. Chem. Res., 45, 6614-6618 (2006).12. A. Aboudheir, A. Akande, R. Idem & A. Dalai. Int. J. Hydrogen Energy, 31, 752 – 761 (2006).13. V. Mas, G. Baronetti, N. Amadeo & M. Laborde, Chem. Eng. J., (2007) In Press.149