{"id":3779,"date":"2023-09-01T14:14:23","date_gmt":"2023-09-01T12:14:23","guid":{"rendered":"https:\/\/creg-dev.i3a.es\/?p=3779"},"modified":"2024-07-19T14:51:57","modified_gmt":"2024-07-19T12:51:57","slug":"eva-frances-perez","status":"publish","type":"post","link":"https:\/\/creg.i3a.es\/es\/eva-frances-perez\/","title":{"rendered":"Eva Franc\u00e9s"},"content":{"rendered":"
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    Investigadores<\/a><\/h3>\n

    Eva Franc\u00e9s P\u00e9rez<\/strong><\/h1>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/li>\n\t\t<\/ul>\t\t\t\t
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      Tel\u00e9fono:<\/strong> +34 876 762 550<\/p>\n

      Email:<\/strong> efrances@unizar.es<\/a><\/p>\n

      Direcci\u00f3n:<\/strong> Office C3-2-18, c\/Maria de Luna 3, Edificio Torres Quevedo, Campus R\u00edo Ebro, 50018, Zaragoza (Spain)<\/p>\n

      Sideral:<\/strong> Ver el perfil (CV)<\/a><\/p>\n<\/blockquote>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>\n\n

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      Eva Franc\u00e9s es licenciada en Ciencias Qu\u00edmicas (1989) y Doctora en Ciencias (1993).<\/p>\n

      Profesora de la Universidad de Zaragoza desde 1992, en primer lugar, como profesora asociada, posteriormente como profesora titular de escuela universitaria (1998) y finalmente titular de universidad (2008-actualidad), perteneciente al \u00e1rea de Ingenier\u00eda Qu\u00edmica en la Escuela de Ingenier\u00eda y Arquitectura (EINA) de la Universidad de Zaragoza (UZ).<\/p>\n

      Ha sido Profesora-Secretaria de la Escuela Universitaria de Ingenier\u00eda T\u00e9cnica Industrial (1997-2000) y Coordinadora del grado en Ingenier\u00eda Qu\u00edmica en la UZ (2010-2015). En la actualidad es miembro de la Comisi\u00f3n de Garant\u00eda de Calidad de Grados.<\/p>\n

      Ha desarrollado su actividad investigadora en varios campos, comenzando por el estudio cin\u00e9tico y modelado del proceso FCC, para continuar con el proceso de la gasificaci\u00f3n de biomasa, la oxidaci\u00f3n catal\u00edtica selectiva, el reformado seco de biog\u00e1s y finalmente hidrogenaci\u00f3n de CO2<\/sub>. Tambi\u00e9n ha realizado estudios puntuales sobre depuraci\u00f3n y potabilizaci\u00f3n de aguas, como adsorci\u00f3n de metales o hidrogenaci\u00f3n catal\u00edtica de nitratos.<\/p>\n

      Es miembro del Grupo de Investigaci\u00f3n de Excelencia (reconocido por la DGA en 2005): \u201cCat\u00e1lisis e Ingenier\u00eda de Reactores (CREG)\u201d y miembro del Instituto de Investigaci\u00f3n en Ingenier\u00eda de Arag\u00f3n (I3A) desde 29 junio 2012 hasta la actualidad.<\/p>\n

      Ha participado en 13 Proyectos I+D financiados en convocatorias p\u00fablicas y en 4 Proyectos con empresas\/administraciones.<\/p>\n

      Ha dirigido m\u00e1s de 120 proyectos fin de carrera y 30 trabajos fin de grado, muchos de ellos relacionados con sus tareas de investigaci\u00f3n.<\/p>\n

      Orcid: https:\/\/orcid.org\/0000-0003-3181-195X<\/a><\/p>\n

      Scopus: https:\/\/www.scopus.com\/authid\/detail.uri?authorId=6602320593<\/a><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>

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      26 registros<\/span> «<\/a> ‹<\/a> 1 de 6 ›<\/a> »<\/a> <\/div><\/div>

      2027<\/h3>

      Arag\u00fc\u00e9s-Aldea, P.; Gimeno-Izquierdo, C.; Dur\u00e1n, P.; Renda, S.; Mercader, V. D.; Franc\u00e9s, E.; Pe\u00f1a, J. A.; Herguido, J.<\/p>

      Distributed feeding for improved CH4 selectivity in Ni-Fe catalyzed CO2\/biogas methanation<\/a> Art\u00edculo de revista<\/span> <\/p>

      En: <\/span>Fuel, <\/span>vol. 431, <\/span>pp. 141925, <\/span>2027<\/span>, ISSN: 0016-2361<\/span>.<\/p>

      Resumen<\/a><\/span> | Enlaces<\/a><\/span> | BibTeX<\/a><\/span><\/p>

      @article{ARAGUESALDEA2027141925,
      \r\ntitle = {Distributed feeding for improved CH4 selectivity in Ni-Fe catalyzed CO2\/biogas methanation},
      \r\nauthor = {P. Arag\u00fc\u00e9s-Aldea and C. Gimeno-Izquierdo and P. Dur\u00e1n and S. Renda and V. D. Mercader and E. Franc\u00e9s and J. A. Pe\u00f1a and J. Herguido},
      \r\nurl = {https:\/\/www.sciencedirect.com\/science\/article\/pii\/S001623612603680X},
      \r\ndoi = {https:\/\/doi.org\/10.1016\/j.fuel.2026.141925},
      \r\nissn = {0016-2361},
      \r\nyear  = {2027},
      \r\ndate = {2027-01-01},
      \r\njournal = {Fuel},
      \r\nvolume = {431},
      \r\npages = {141925},
      \r\nabstract = {Carbon dioxide methanation is a promising route for renewable natural gas production, although its performance is often limited by kinetic constraints under severe operating conditions. In this work, distributed reactant feeding in a four-inlet polytropic fixed-bed reactor was investigated as a process intensification strategy for CO2 methanation and biogas upgrading over a conventional methanation catalyst (Ni-Fe). The effects of feeding configuration, GHSV, temperature and feed composition on CO2 conversion and CO selectivity were systematically assessed and compared with conventional co-feeding operation. Distributed CO2 feeding consistently outperformed both conventional and hydrogen-distributed configurations, providing higher CO2 conversions and lower CO selectivities. The beneficial effect was particularly evident at high space velocities and low conversions, where kinetic limitations and selectivity to the unwanted CO are more pronounced, reaching reduction of 50\u00a0% in this parameter in the more kinetically-hindered conditions. The same qualitative behaviour was observed when upgrading a synthetic sweetened biogas (70\u00a0vol% CH4 and 30\u00a0vol% CO2), demonstrating the applicability of the proposed strategy under feed compositions relevant in practice. The improved performance is attributed to the establishment of locally H2-rich environments along the catalytic bed, which promote methane formation and mitigate CO accumulation without modifying the global operating conditions. These results highlight the potential of distributed reactant feeding as an effective reactor engineering approach for enhancing methanation performance and intensifying renewable natural gas production processes.},
      \r\nkeywords = {},
      \r\npubstate = {published},
      \r\ntppubtype = {article}
      \r\n}
      \r\n<\/pre><\/div>
      Cerrar<\/a><\/p><\/div>
      Carbon dioxide methanation is a promising route for renewable natural gas production, although its performance is often limited by kinetic constraints under severe operating conditions. In this work, distributed reactant feeding in a four-inlet polytropic fixed-bed reactor was investigated as a process intensification strategy for CO2 methanation and biogas upgrading over a conventional methanation catalyst (Ni-Fe). The effects of feeding configuration, GHSV, temperature and feed composition on CO2 conversion and CO selectivity were systematically assessed and compared with conventional co-feeding operation. Distributed CO2 feeding consistently outperformed both conventional and hydrogen-distributed configurations, providing higher CO2 conversions and lower CO selectivities. The beneficial effect was particularly evident at high space velocities and low conversions, where kinetic limitations and selectivity to the unwanted CO are more pronounced, reaching reduction of 50\u00a0% in this parameter in the more kinetically-hindered conditions. The same qualitative behaviour was observed when upgrading a synthetic sweetened biogas (70\u00a0vol% CH4 and 30\u00a0vol% CO2), demonstrating the applicability of the proposed strategy under feed compositions relevant in practice. The improved performance is attributed to the establishment of locally H2-rich environments along the catalytic bed, which promote methane formation and mitigate CO accumulation without modifying the global operating conditions. These results highlight the potential of distributed reactant feeding as an effective reactor engineering approach for enhancing methanation performance and intensifying renewable natural gas production processes.<\/div>
      Cerrar<\/a><\/p><\/div>