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Development of High-Performance Catalytic Ceramic Membrane Microchannel Reactor for Carbon Dioxide Conversion to
Aubaid Ullah1, Nur Awanis Hashim1,2, Mohamad Fairus Rabuni1,2
1Department of Chemical Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia.
Membranes
|January 27, 2026
Summary
A novel ceramic membrane microchannel reactor (CMMR) system significantly boosts carbon dioxide (CO2) to methanol conversion. This innovation offers a promising, efficient pathway for sustainable methanol synthesis.
Area of Science:
- Chemical Engineering
- Materials Science
- Catalysis
Background:
- Traditional reactors face thermodynamic limitations for CO2 to methanol conversion.
- Existing membrane reactors show limited conversion and face structural/scale-up issues.
Purpose of the Study:
- To develop and evaluate a ceramic membrane microchannel reactor (CMMR) for enhanced CO2 to methanol conversion.
- To overcome limitations of traditional and conventional membrane reactors.
Main Methods:
- Designed a CMMR with 500 µm microchannels and a catalytic LTA zeolite membrane (~45 µm Cu-ZnO-Al2O3 coating).
- Utilized Computational Fluid Dynamic (CFD) simulations for flow distribution analysis.
- Conducted experiments at 220 °C and 3.0 MPa.
Main Results:
- Achieved 82% CO2 conversion, significantly outperforming traditional reactors and equilibrium conversion.
- Demonstrated 1.5 times higher conversion than conventional tubular membrane reactors.
- Reported methanol selectivity of 51.6% and yield of 42.3%.
Conclusions:
- The CMMR system shows high potential for efficient methanol synthesis.
- This technology aligns with Sustainable Development Goals (SDG-7, 9, 13) for clean energy and climate action.
- The CMMR offers a viable alternative to current industrial methanol production processes.
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