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Methanation Catalyst for Low CO Concentration

Authors: Hong-fang Ma, Cong-yi He, Hai-tao Zhang, Wei-yong Ying, Ding-ye Fang

Abstract:

A Ni-based catalyst supported by γ-Al2O3 was prepared by impregnation method, and the catalyst was used in a low CO and CO2 concentration methanation system. The effect of temperature, pressure and space velocity on the methanation reaction was investigated in an experimental fixed-bed reactor. The methanation reaction was operated at the conditions of 190-240°C, 3000-24000ml•g-1•h-1 and 1.5-3.5MPa. The results show that temperature and space velocity play important role on the reaction. With the increase of reaction temperature the CO and CO2 conversion increase and the selectivity of CH4 increase. And with the increase of the space velocity the conversion of CO and CO2 and the selectivity of CH4 decrease sharply.

Keywords: Catalyst, coke oven gas, fixed-bed, methanation

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1093716

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[1] P. Sabatier, and J. B. Senderens,"New Synthesis of Methane”, Comptes Rendus Hebdomadaires des Seances del Academie des Scrences, vol. 134, pp. 514-516, 1902.
[2] Z. Y. Li, W. L. Mi, S. B. Liu, and Q. Q. Su,"CO deep removal with a method of two-stage methanation”, Hydrogen Energy, vol. 35, pp. 2820-2823, 2010.
[3] G. W. Xu, X. Chen, and Z. G. Zhang, "Temperature-staged methanation: An alternative method to purify hydrogen-rich fuel gas for PEFC”,Chem. Eng. J., vol. 121, pp. 97-107, 2006.
[4] J. Kopyscinski, T. J.Schildhauer, and S. M. A. Biollaz,"Production of synthetic natural gas (SNG) from coal and drybiomass-Atechnology review from 1950 to 2009”,Fuel, vol. 89, pp. 1763-1783, 2010.
[5] J. R. Rostrup-Nielsen, K. Pedersen, and J. Sehested"High temperature methanation sintering and structure sensitivity”,Appl. Catal., A, vol. 330, pp. 134-138, 2007.
[6] M. Juragscik, A. Sues, and K. J. Ptasinski,"Energy analysis of synthetic natural gas production method from biomass”,Energy, vol. 35, pp. 880-888, 2010.
[7] S. K. Hoekman, A. Broch, C. Robbins, and R. Purcell,"CO2 recycling by reaction with renewably-generated hydrogen”,Int. J. Greenh. Gas Con., vol. 4, pp. 44-50, 2010.
[8] M. Kramer, K. Stowe, M. Duisberg, F. Muller, M. Reiser, S. Sticher, and W.F. Maier,"The impact of dopants on the activity andselectivity of a Ni -based methanation catalyst”, Appl. Catal., A,vol. 369, pp. 42-52, 2009.
[9] K. O. Xavier, R. Sreekala, and K. K. A. Rashid, "Doping effects of cerium oxide on Ni/Al2O3 catalysts for methanation”,Catal. Today, vol. 49, pp. 17-21, 1999.
[10] M. D. Cai, J. Wen, W. Chu, X. Q. Cheng, and Z. J. Li, "Methanationof carbon dioxide on Ni/ZrO2-Al2O3 catalysts: Effects of ZrO2 promoter and preparation method of novel ZrO2-Al2O3 carrier”,J. Nat. Gas. Chem.,vol .20, pp. 318-324, 2011.
[11] Q. H. Liu, X. F. Dong, Y. B. Song,and W. M.Lin, "Removal of CO from reformed fuels by selective methanation over Ni-B-Zr-O (delta) catalysts”, J. Nat. Gas. Chem.,vol. 18, pp. 173-178, 2009.
[12] L. T. Luo, and S. J. Li,"Effect of Transition Metals on Catalytic Performance of Ru/Sepiolite Catalyst for Methanation of Carbon Dioxide”, J. Nat. Gas. Chem.,vol. 13, pp. 45-48, 2004.
[13] V. Jimeneza, P. Sancheza, P. Panagiotopouloub, J. L. Valverdea, and A. Romeroa, "Methanation of CO, CO2 and selectivemethanation of CO, in mixtures of CO and CO2, over ruthenium carbon nanofibers catalysts”, Appl. Catal., A,vol. 390, pp. 35-44, 2010.
[14] C. Galletti, S. Specchia, G. Saracco, and V. Specchia, "O-selective methanation over Ru-γ-Al2O3 catalysts in H2-rich gas for PEMFC applications”, Chem. Eng. Sci.,vol. 65, pp. 590-596, 2010.
[15] N. Chitpong, P. Praserthdam, and B. Jongsomjit,"A study on characteristics and catalytic properties of Co/ZrO2-B catalysts towards methanation”, Catal. Lett.,vol. 128, pp. 119-126, 2009.
[16] J. G. Chen, H. W. Xiang, Y. W. Li, and Y. H. Sun,"Advance in key techniques of Fischer-Tropsch synthesis for liquid fuel production”,J. Chem. Ind. & Eng. (China),vol. 54, pp. 516-523, 2003.
[17] C. Zhang, "Research progress of methanation of carbon monoxide and carbon dioxide”, Chem. Ind.& Eng.Prog.,vol. 26, pp. 1269 -1273, 2007.
[18] Y. Z. Wang, R. F. Wu, and Y. X. Zhao, "Effect of ZrO2 promoter on structure and catalytic activity of the Ni/SiO2 catalyst for COmethanation in hydrogen-rich gases”,Catal. Today,vol. 158, pp. 470-474, 2010.
[19] R. F. Wu, Y. Zhang, Y. Z. Wang, C. G. Gao, and Y. X. Zhao,"Effect of ZrO2 promoter on the catalytic activity for CO methanation and its adsorption performance of the Ni/SiO2 catalyst”,J. Fuel Chem.&Technol., vol. 5, pp. 578-582, 2009.
[20] Q. H. Liu, X. E. Dong, X. M. Mo, W. M. Lin, "Selective catalytic methanation of CO in hydrogen-rich gases over Ni/ZrO2 catalyst”,J. Nat. Gas. Chem., vol. 17, pp. 268-272, 2008.
[21] M. Yamasaki, H. Habazaki, K. Asami, K. Izumiya, and K. Hashimoto, "Effect of tetragonal ZrO2 on the catalytic activity of Ni/ZrO2 catalyst prepared from amorphous Ni-Zr alloys”,Catal. Commun.,vol. 7, pp. 24-28, 2006.
[22] S. Takenaka, T. Shimizu, and K.Otsuka,"Complete removal of carbon monoxide in hydrogen-rich gas stream through methanation over supported metal catalysts”, Int. J. Hydrogen Energy, vol. 29, pp. 1065-1073, 2004.
[23] G. A. Mills, and F. W. Steffgen,"Catalytic methanation”,Cat. Rev., vol. 82, pp. 159-210, 1973.
[24] R. A. Dagle, Y. Wang, G. G. Xia, J. J. Srtohm, J. Holladay, and D. R. Palo, "Selective CO methanation catalysts for fuel processing applications”, Appl. Catal., A, vol. 326, pp. 213-218, 2007.