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Article Dans Une Revue Nanomaterials Année : 2023

Catalytic Sabatier Process under Thermally and Magnetically Induced Heating: A Comparative Case Study for Titania-Supported Nickel Catalyst

Résumé

In the present paper, we compare the activity, selectivity, and stability of a supported nickel catalyst in classical heating conditions and in magnetically activated catalysis by using iron wool as a heating agent. The catalyst, 5 wt% Ni supported on titania (Degussa P25), was prepared via an organometallic decomposition method and was thoroughly characterized by using elemental, microscopic, and diffraction techniques. In the event of magnetic induction heating, the % CO2 conversion reached a maximum of ~85% compared to ~78% for thermal conditions at a slightly lower temperature (~335 °C) than the thermal heating (380 °C). More importantly, both processes were found to be stable for 45 h on stream. Moreover, the effects of magnetic induction and classical heating over the catalyst evolution were discussed. This study demonstrated the potential of magnetic heating-mediated methanation, which is currently under investigation for the development of pilot-scale reactors.

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Chimie
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Origine : Publication financée par une institution

Dates et versions

hal-04301180 , version 1 (02-02-2024)

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Sourav Ghosh, Sharad Gupta, Manon Gregoire, Thibault Ourlin, Pier-Francesco Fazzini, et al.. Catalytic Sabatier Process under Thermally and Magnetically Induced Heating: A Comparative Case Study for Titania-Supported Nickel Catalyst. Nanomaterials, 2023, 13 (9), pp.1474. ⟨10.3390/nano13091474⟩. ⟨hal-04301180⟩
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