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- W4293203175 abstract "Current energy systems have a significant environmental impact and contribute to the climate change. The future energy systems must call upon clean and renewable sources, capable of producing energy with low CO2 emission, hence partly decarbonizing the energy sector. Producing H2 by catalytic steam reforming of methanol (CSRM) is gaining interest for its specific applications in fuel cells, in a decentralized H2 production, or to locally boost the heat content of e.g. natural gas. Supported metal catalysts enhance the endothermic steam-driven methanol conversion. The paper discusses the CSRM manufactures and assesses 2 novel, cheap and efficient catalysts (Co/α-Al2O3 and MnFe2O4). The performance of the Co/α-Al2O3 catalyst is significantly superior to MnFe2O4. The methanol conversion exceeds 95% with high H2 yields (>2.5 mol H2/mol CH3OH) and low CO and CO2 by-product formation. The methanol reaction is very fast and a nearly constant product distribution is achieved for gas-catalyst contact times in excess of 0.3 s. The catalyst maintains its efficiency and selectivity for several days of reaction. The hydrogen productivity of the Co/α-Al2O3 is about 0.9 L H2 gcat-1 h-1., nearly a fourfold of the MnFe2O4 alternative. The different occurring reactions are combined in a kinetics analysis and demonstrate the high rate of reaction and the predicted product distribution. A catalytic sintered metal fleece reactor is finally developed, mostly in view of its integration with a solid oxide fuel cell (SOFC). The assessed CSRM system clearly merits further pilot plant research." @default.
- W4293203175 created "2022-08-27" @default.
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- W4293203175 date "2022-11-01" @default.
- W4293203175 modified "2023-09-30" @default.
- W4293203175 title "Producing hydrogen by catalytic steam reforming of methanol using non-noble metal catalysts" @default.
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- W4293203175 doi "https://doi.org/10.1016/j.jenvman.2022.116019" @default.
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