Catalytic pyrolysis of wood biomass in an auger reactor using calcium-based catalysts

A. Veses, M. Aznar, I. Martínez, J. D. Martínez, J. M. López, M. V. Navarro, M. S. Callén, R. Murillo, T. García

    Producción científica: Contribución a una revistaArtículo en revista científica indexadarevisión exhaustiva

    192 Citas (Scopus)


    Wood catalytic pyrolysis using calcium-based materials was studied in an auger reactor at 450°C. Two different catalysts, CaO and CaO·MgO were evaluated and upgraded bio-oils were obtained in both cases. Whilst acidity and oxygen content remarkable decrease, both pH and calorific value increase with respect to the non-catalytic test. Upgrading process was linked to the fact that calcium-based materials could not only fix the CO2-like compounds but also promoted the dehydration reactions. In addition, process simulation demonstrated that the addition of these catalysts, especially CaO, could favour the energetic integration since a lowest circulation of heat carrier between combustor and auger reactor should be needed. An energy self-sustained system was obtained where thermal energy required for biomass drying and for pyrolysis reaction was supplied by non-condensable gas and char combustion, respectively.

    Idioma originalInglés
    Páginas (desde-hasta)250-258
    Número de páginas9
    PublicaciónBioresource Technology
    EstadoPublicada - jun. 2014


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