Characterization of nanofibrous carbon produced at pilot-scale in a fluidized bed reactor by methane decomposition / J.L. Pinilla in Chemical engineering journal, Vol. 156 N° 1 (Janvier 2010)  

Public ISBD [article]  inChemical engineering journal > Vol. 156 N° 1 (Janvier 2010) . - pp. 170-176 Titre : Characterization of nanofibrous carbon produced at pilot-scale in a fluidized bed reactor by methane decomposition Type de document : texte imprimé Auteurs : J.L. Pinilla, Auteur ; M.J. Lazaro, Auteur ; I. Suelves, Auteur Année de publication : 2010 Article en page(s) : pp. 170-176 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Fluidized bed reactor Carbon nanofiber Hydrogen production Methane catalytic decomposition Index. décimale : 660 Résumé : Carbon nanofibers (CNFs) production in the range of hundreds of grams per day has been achieved in a fluidized bed reactor (FBR) by methane decomposition using a nickel based catalyst. The characterization of the carbon produced at different operating conditions (temperature, space velocity and the ratio of gas flow velocity, uo, to the minimum fluidization velocity, umf) has been accomplished by means of X-ray diffraction (XRD), N2 adsorption, temperature-programmed oxidation (TPO), scanning electron microscope (SEM) and transmission electron microscopy (TEM). It has been concluded that the structural and textural properties of the CNFs obtained in the FBR are analogous to the ones obtained in a fixed bed reactor at a production scale two orders of magnitude lower. Thus, FBR can be envisaged as a promising reaction configuration for the catalytic decomposition of methane (CDM), allowing the production of high quantities of CNFs with desirable structural and textural properties. DEWEY : 660 ISSN : 1385-8947 En ligne : http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TFJ-4XH0MVY-5&_user=6 [...] [article] Characterization of nanofibrous carbon produced at pilot-scale in a fluidized bed reactor by methane decomposition [texte imprimé] / J.L. Pinilla, Auteur ; M.J. Lazaro, Auteur ; I. Suelves, Auteur . - 2010 . - pp. 170-176. Génie Chimique Langues : Anglais (eng) in Chemical engineering journal > Vol. 156 N° 1 (Janvier 2010) . - pp. 170-176 Mots-clés : Fluidized bed reactor Carbon nanofiber Hydrogen production Methane catalytic decomposition Index. décimale : 660 Résumé : Carbon nanofibers (CNFs) production in the range of hundreds of grams per day has been achieved in a fluidized bed reactor (FBR) by methane decomposition using a nickel based catalyst. The characterization of the carbon produced at different operating conditions (temperature, space velocity and the ratio of gas flow velocity, uo, to the minimum fluidization velocity, umf) has been accomplished by means of X-ray diffraction (XRD), N2 adsorption, temperature-programmed oxidation (TPO), scanning electron microscope (SEM) and transmission electron microscopy (TEM). It has been concluded that the structural and textural properties of the CNFs obtained in the FBR are analogous to the ones obtained in a fixed bed reactor at a production scale two orders of magnitude lower. Thus, FBR can be envisaged as a promising reaction configuration for the catalytic decomposition of methane (CDM), allowing the production of high quantities of CNFs with desirable structural and textural properties. DEWEY : 660 ISSN : 1385-8947 En ligne : http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TFJ-4XH0MVY-5&_user=6 [...]

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