{"id":3769,"date":"2023-09-01T14:00:30","date_gmt":"2023-09-01T12:00:30","guid":{"rendered":"https:\/\/creg-dev.i3a.es\/?p=3769"},"modified":"2025-07-30T12:45:04","modified_gmt":"2025-07-30T10:45:04","slug":"javier-herguido","status":"publish","type":"post","link":"https:\/\/creg.i3a.es\/es\/javier-herguido\/","title":{"rendered":"Javier Herguido"},"content":{"rendered":"
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    Investigadores<\/a><\/h3>\n

    Javier Herguido
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      Tel\u00e9fono:<\/strong> +34 976 762 393<\/p>\n

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

      Direcci\u00f3n:<\/strong> Office 4.2.9 c\/Mariano Esquillor SN Edificio I+D+i, I3A, 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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      Javier Herguido es Catedr\u00e1tico de Ingenier\u00eda Qu\u00edmica en la Escuela de Ingenier\u00eda y Arquitectura (EINA) de la Universidad de Zaragoza (Unizar), desde 2007. Licenciado. y M.Sc. en Qu\u00edmica, especialidad industrial (1987) y Doctor en Ciencias \u2013 Programa de Ingenier\u00eda Qu\u00edmica (1991). Premio Extraordinario de Doctorado de Unizar. En 1993 titular de la c\u00e1tedra 'Chaire H\u00e9lioparc' en el Centro Tecnol\u00f3gico 'H\u00e9lioparc Pau-Pyr\u00e9n\u00e9es' (Francia). Profesor invitado en varios centros de investigaci\u00f3n y universidades: \u2018Laboratoire de Physico-Chimie Mol\u00e9culaire\u2019 CNRS-Francia, Universidad PUCP-Per\u00fa, Universidad Nacional de Cuenca-Ecuador.<\/p>\n

      Actualmente es Director del Departamento de Ingenier\u00eda Qu\u00edmica y Tecnolog\u00edas del Medio Ambiente \u2013 Unizar (desde 2016), y Secretario de la Sociedad Espa\u00f1ola de Cat\u00e1lisis (SECAT).<\/p>\n

      En su actividad investigadora es miembro del Grupo de Cat\u00e1lisis e Ingenier\u00eda de Reactores (CREG) y del Instituto Universitario de Investigaciones en Ingenier\u00eda de Arag\u00f3n (I3A). Su investigaci\u00f3n presente se centra en el \u00e1rea de Ingenier\u00eda de Reactores Qu\u00edmicos, incluyendo::
      \n a) Reactores de lecho fluidizado con zonas oxidantes y reductoras para procesos de oxidaci\u00f3n selectiva y para deshidrogenaciones catal\u00edticas.:
      \nb) Tecnolog\u00edas del hidr\u00f3geno: sus actuales esfuerzos de investigaci\u00f3n se dedican a campos relacionados con la producci\u00f3n y\/o purificaci\u00f3n de hidr\u00f3geno de diversas fuentes, la utilizaci\u00f3n del hidr\u00f3geno en procesos Power to Gas como la metanaci\u00f3n de CO2<\/sub> y procesos Power to Liquid como la producci\u00f3n de metanol, DME, etc.:
      \nc) Intensificaci\u00f3n de procesos, incluido el uso de reactores de membrana.<\/p>\n

      Ha participado en 43 proyectos de investigaci\u00f3n, en gran parte como investigador principal. Su producci\u00f3n cient\u00edfica incluye: 120 art\u00edculos (contando 2 revisiones por invitaci\u00f3n) en revistas indexadas en JCR como AIChEJ, Appl. Catal., Cat. Today, CEJ., CES, I&ECR, Int. J. Hydrogen Energy, J. Catal., J. Power Sources, Powder Tech., Studies Surf. Sci. Catal., entre otros; m\u00e1s de 370 presentaciones en congresos\/conferencias cient\u00edficas; 3 patentes; y el libro \u201cIngenier\u00eda de Reactores\u201d (1999, Ed. S\u00edntesis, Madrid). Es Premio Fundaci\u00f3n 3M a la Innovaci\u00f3n (2004), en su categor\u00eda de Medio Ambiente. Ha dirigido 14 tesis doctorales. \n\u00cdndice H: 35 (G-Scholar, 3790 citas), 30 (Scopus, 2760 citas) -octubre 2023-<\/p>\n

      Orcid: https:\/\/orcid.org\/0000-0003-1940-9597<\/a><\/p>\n

      Scopus: https:\/\/www.scopus.com\/authid\/detail.uri?authorId=57195414034<\/a><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>

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      164 registros<\/span> «<\/a> ‹<\/a> 1 de 33 ›<\/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>