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The nature of the deposited carbon at methane cracking over a nickel loaded wood-char

Abstract : The catalytic properties of raw biomass chars and Ni-loaded biomass chars prepared at a high-heating-rate were assessed in the methane decomposition reaction. The raw chars exhibited a moderated catalytic activity in methane cracking while the Ni-loaded chars showed a catalytic activity 10 times higher than the raw chars. The deposited carbon was a highly ordered one as evidenced by XRD, Raman analysis and oxygen reactivity tests. The activation energy in the combustion reaction was estimated to be 300 kJ/mol. These results indicate that biomass char can be an effective low-cost and active support for metal impregnation to be used in catalytic cracking of hydrocarbons for hydrogen production
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Submitted on : Wednesday, November 7, 2018 - 1:00:44 PM
Last modification on : Friday, August 5, 2022 - 11:43:37 AM
Long-term archiving on: : Friday, February 8, 2019 - 12:37:03 PM


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  • HAL Id : hal-01709739, version 1


Chamseddine Guizani, Francisco Javier Escudero Sanz, Sylvain Salvador. The nature of the deposited carbon at methane cracking over a nickel loaded wood-char. WasteEng 2014 - 5th International Conference on Engineering for Waste and Biomass Valorisation, Aug 2014, Rio de Janeiro, Brazil. p.1794-1808. ⟨hal-01709739⟩



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