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Abstract
CO 2 hydrogenation to methanol via the reverse water-gas shift (the CAMERE process) is an alternative method for methanol synthesis. High operating temperatures (600-800 °C) are required for the reverse water-gas shift (RWGS) process because of the thermodynamic limit. In this study, moderate temperatures (200-300 °C) were used for the RWGS part of the CAMERE process by the application of in situ water removal (ISWR). Thermodynamic analyses were conducted on this process using the Gibbs-free-energy-minimization method. The analyses show that by using ISWR with high water-removal fractions (e.g., 0.80-0.99), the CO 2 conversion of the RWGS part can be significantly improved at moderate operating temperatures. One-step CO 2 hydrogenation to methanol (CTM) with ISWR was also investigated, and it resulted in similar methanol yields. Both processes showed high potential and the ability to promote CO 2 hydrogenation to methanol through the use of ISWR.
Original language | English |
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Journal | Industrial & Engineering Chemistry Research |
Volume | 58 |
Issue number | 24 |
Pages (from-to) | 10559-10569 |
Number of pages | 11 |
ISSN | 0888-5885 |
DOIs | |
Publication status | Published - 19 Jun 2019 |
Keywords
- Thermodynamic analysis
- CAMERE process
- CO2 hydrogenation
- Methanol synthesis
- In situ water removal
- Membrane reactor
- Sorption-enhanced reaction process
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Dive into the research topics of 'Thermodynamic Analyses of a Moderate-Temperature Process of Carbon Dioxide Hydrogenation to Methanol via Reverse Water–Gas Shift with In Situ Water Removal'. Together they form a unique fingerprint.Projects
- 1 Finished
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C3U: Cryogenic Carbon Capture and Use
Kær, S. K. (PI) & Rosendahl, L. (CoI)
01/05/2017 → 30/09/2019
Project: Research