Highly efficient reduction of CO2 by magnesium and calcium hydride producing H2‐mixed CH4: Effect of the particle size and the molar ratio of reactant

Jin‐Peng Wang, Guo‐Cui Mao, Juan Zhao, Yin‐Fan Wei, Wen‐Long Liu and Yun‐Lei Teng

Greenhouse Gases: Science and Technology, 2022, vol. 12, issue 1, 148-155

Abstract: In this study, we investigated the reduction of CO2 using magnesium and calcium hydride (AeH2, Ae = Mg or Ca), in the process of which clean H2‐mixed CH4 fuel is produced. The result of this investigation shows that the particle size of AeH2 and AeH2/CO2 molar ratio can greatly affect the molar percentage value and reaction yield of methane. In general, the magnesium or calcium hydride as‐milled for 2 hr is enough active for reduction of CO2 to CH4. When the molar ratio of AeH2/CO2 is set to 2:1, the methanation effect is optimal for both reaction systems. © 2021 Society of Chemical Industry and John Wiley & Sons, Ltd.

Date: 2022
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https://doi.org/10.1002/ghg.2132

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Persistent link: https://EconPapers.repec.org/RePEc:wly:greenh:v:12:y:2022:i:1:p:148-155

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