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Valorization of CO2 emissions into ethanol by an innovative process

Vassily Abidin 1 Chakib Bouallou 1 Denis Clodic 1
1 CEP/Paris
CEP - Centre Énergétique et Procédés
Abstract : This study aims at assessing the possibility to produce value-added fuels from carbon dioxide (CO2) and non-fossil hydrogen (H2). Ethanol synthesis is an economically attractive route for CO2 recycling. The proposed process includes three phases: [1] hydrogen generation by solar water splitting in the photo-electrocatalytic cells (PEC), [2] conversion of CO2 to carbon monoxide (CO) by the reverse water-gas shift reaction (RWGS) using previously obtained H2, and [3] ethanol synthesis from the synthesis gas (CO + H2). A first simulation model of the process was carried out with Aspen Plus® software in order to investigate the quantitative and qualitative evolutions of the reaction products. Furthermore, a parametric study was conducted in order to specify the influence of the temperature, pressure, and reagents' ratio.
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Submitted on : Tuesday, January 17, 2012 - 11:32:37 AM
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Vassily Abidin, Chakib Bouallou, Denis Clodic. Valorization of CO2 emissions into ethanol by an innovative process. Chemical Engineering Transactions, AIDIC, 2011, 25, pp.1-6. ⟨10.3303/CET1125001⟩. ⟨hal-00660646⟩



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