Utilization of CO2 arising from methane steam reforming reaction: Use of CO2 membrane and heterotic reactors
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- Utilization of CO2 arising from methane steam reforming reaction: Use of CO2 membrane and heterotic reactors
- Lee, Sunggeun; Lim, Hankwon
- Issue Date
- ELSEVIER SCIENCE INC
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.91, pp.201 - 212
- The new reactor design concepts of reforming are proposed as a way of utilization of carbon dioxide (CO2) produced in the methane (CH4) steam reforming: (a) by applying CO2 separation membrane filled with catalysts for dry reforming (mainly discussed), connected MSR and MDR (b) axially and (c) concentrically. The membrane selects CO2 produced in ordinary steam methane reforming and consumed as a reactant for dry reforming inside membrane. This carbon dioxide separation membrane in the reactor of the methane steam reforming is reported recently. Permeated CO2 reacts with methane to produce syngas, hydrogen and carbon monoxide (i.e., dry reforming). Based on the numerical modeling for heat and mass transfer the conversion of methane and carbon dioxide is also considered. In that the conversion of methane is quite low compared to other previous studies, further study is necessary to find a way to improve them. Finally, we briefly suggest two other reactor types consisting of MSR and MDR connected in a series and concentric way (reaction occurs in axial and radial direction, respectively). (C) 2020 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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