CO2-utilization in the synthesis of methanol: Potential analysis and exergetic assessment

Timo Blumberg, Tatiana Morosuk and George Tsatsaronis

Energy, 2019, vol. 175, issue C, 730-744

Abstract: Carbon capture and utilization represents a major strategy to reduce anthropogenic CO2-emissions by valorization to chemical and petrochemical products. The integration of CO2 is not only aimed at abating emissions, but also at a partial substitution of raw materials, most of which are fossil fuels. In this context, Gas-to-Liquid processes are of great importance, in particular the production of methanol from its predominating feedstock natural gas. In the present study the CO2-utilization potential and impact of CO2-integration measures in methanol synthesis routes are investigated and assessed from a thermodynamic point of view. Sensitivity analyses for an estimation of the CO2-integration potential by dry reforming and direct hydrogenation are carried out. In a dry-reforming process, a carbon dioxide-to-methane mole ratio of one results from tradeoffs among the CH4-conversion, the desired syngas composition, and the heat demand.

Keywords: Methanol production; Exergetic analysis; Carbon utilization; Dry reforming; CO2 hydrogenation (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:175:y:2019:i:c:p:730-744

DOI: 10.1016/j.energy.2019.03.107

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