152043 20251017144619.0 doi 10.1021/acs.energyfuels.1c01682 sideral 126817 ART-2021-126817 eng Tarifa, Pilar Universidad de Zaragoza Highly active Ce- And Mg-promoted Ni catalysts supported on cellulose-derived carbon for low-temperature CO2 methanation 2021 Access copy available to the general public Unrestricted The CO2 methanation performance of Mg- and/or Ce-promoted Ni catalysts supported on cellulose-derived carbon (CDC) was investigated. The samples, prepared by biomorphic mineralization techniques, exhibit pore distributions correlated to the particle sizes, revealing a direct effect of the metal content in the textural properties of the samples. The catalytic performance, evaluated as CO2 conversion and CH4 selectivity, reveals that Ce is a better promoter than Mg, reaching higher conversion values in all of the studied temperature range (150-500 °C). In the interval of 350-400 °C, Ni-Mg-Ce/CDC attains the maximum yield to methane, 80%, reaching near 100% CH4 selectivity. Ce-promoted catalysts were highly active at low temperatures (175 °C), achieving 54% CO2 conversion with near 100% CH4 selectivity. Furthermore, the large potential stability of the Ni-Mg-Ce/CDC catalyst during consecutive cycles of reaction opens a promising route for the optimization of the Sabatier process using this type of catalyst. info:eu-repo/grantAgreement/ES/MICINN/BES-2014-069010 info:eu-repo/grantAgreement/ES/MICINN/ENE2013-44350-R info:eu-repo/grantAgreement/ES/MICINN-FEDER/ENE2017-82451-C3 info:eu-repo/grantAgreement/ES/MICINN/FJC2018-037162-I info:eu-repo/semantics/openAccess by https://creativecommons.org/licenses/by/4.0/deed.es 4.654 2021 ENGINEERING, CHEMICAL 45 / 142 = 0.317 2021 Q2 T1 ENERGY & FUELS 63 / 119 = 0.529 2021 Q3 T2 0.822 2021 Energy Engineering and Power Technology 2021 Q1 Chemical Engineering (miscellaneous) 2021 Q1 6.3 2021 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Megías-Sayago, Cristina Universidad de Zaragoza Cazaña, Fernando Universidad de Zaragoza (orcid)0000-0001-9220-9909 González-Martín, Miguel Universidad de Zaragoza (orcid)0000-0003-4875-5552 Latorre, Nieves Universidad de Zaragoza (orcid)0000-0001-6360-4475 Romeo, Eva Universidad de Zaragoza (orcid)0000-0002-2363-2735 Delgado, Juan José Monzón, Antonio Universidad de Zaragoza (orcid)0000-0002-7836-5777 5005 555 Universidad de Zaragoza Dpto. Ing.Quím.Tecnol.Med.Amb. Área Ingeniería Química 35, 21 (2021), 17212-17224 Energy fuels Energy and Fuels 0887-0624 8430393 http://zaguan.unizar.es/record/152043/files/texto_completo.pdf Versión publicada 3058907 http://zaguan.unizar.es/record/152043/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:152043 articulos driver 2025-10-17-14:21:00 ARTICLE