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Hydrogen production from methane at 200 to 500 °C ─ Clean hydrogen production in conjunction with carbon fixation at 200 to 250 °C ─

Abstract

Traditional low-temperature H2 production from methane needs operating at high temperature (above 500 °C), generates CO2 emissions, and shows poor stability. This study focused on more lower-temperature stable H2 production from methane using a carbon-supported Ru catalyst (BS-Ru/C). This catalyst could stably generate H2 without COx at 200 °C over 15 days. The temperature for clean H2 production in conjunction with carbon fixation was found at 200–250 °C, far lower than around 550 °C for conventional low-temperature methane catalytic decomposition (MCD). BS-Ru/C catalyst enabled the occurrence of steam reforming of methane (SRM) at 260 °C, which far exceeded other previous low-temperature catalysts reported at around 500 °C. Although CO2 was produced during SRM process from 260 to 500 °C, no CO occurred. This lower-temperature stable H2 production technology using BS-Ru/C catalyst with outstanding ability and stability will give a helping hand to build H2 society in near future.

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Publication details

The article was received on 28 Nov 2017, accepted on 10 Jan 2018 and first published on 10 Jan 2018


Article type: Paper
DOI: 10.1039/C7SE00572E
Citation: Sustainable Energy Fuels, 2017, Accepted Manuscript
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    Hydrogen production from methane at 200 to 500 °C ─ Clean hydrogen production in conjunction with carbon fixation at 200 to 250 °C ─

    B. Lu, M. Inoue and T. Abe, Sustainable Energy Fuels, 2017, Accepted Manuscript , DOI: 10.1039/C7SE00572E

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