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ProductUpdated on 18 March 2025

Methods of Catalysis for Enhanced Methanol Production from Carbon Dioxide (CO2)

Darren Fast

AVP - Innovation, Knowledge Mobilization & Partnerships at University of Alberta

Edmonton, Canada

About

Methods of Catalysis for Enhanced Methanol Production from Carbon Dioxide (CO2) ID# 2023035

HIGHLIGHTS

● Composite materials for catalysis of CO2 hydrogenation.

● Composite materials comprised of phenyl polyhedral oligomeric silsesquioxane (POSS) and one or more metals.

OPPORTUNITY The conventional industrial process for the production of methanol employs syngas (CO + H2) hydrogenation catalyzed by Cu/ZnO/Al2O3. However, when the same catalytic system is employed with CO2, water forms as a byproduct reduces the activity, stability, and selectivity of the process. University of Alberta researchers developed a polyhedral oligomeric silsesquioxane (POSS) based catalysis for direct CO2 hydrogenation to methanol. Mild calcination of copper−zinc-impregnated POSS material affords the formation of catalyst-POSS nanoparticles able to reach a 3.8% yield of methanol with selectivity as high as 87.5% in a batch reactor. The catalytic system metal-POSS is stable and recyclable under H2 reduction and CO2/H2 conditions. The increased number of aromatics in the structure of POSS results in an increased hydrophobic character that plays a decisive role in the methanol formation. For comparison, catalysts supported on reduced graphene oxide (RGO) showed 0% selectivity to methanol under the study conditions. Anticipated further advancements include a substantial increase in methanol yield when transitioning to a continuous flow reactor setup. The developed composite materials have high thermal stability in both inert and oxidative atmospheres. The supports show promise for applications in catalytic systems that require hydrophobic and thermally stable supports.

COMPETITIVE ADVANTAGE

● Increase selectivity to methanol synthesis from CO2 hydrogenation.

● Thermal stability of catalyst supported on phenyl polyhedral oligomeric silsesquioxanes.

● Potential application of hydrophobic POSS materials with other metals such as Fe, Co, and Ni for different industrial reactions that are hindered by water.

STATUS & PUBLICATIONS

● Patent pending.

● Rodriguez Herrero, Yanet, and Aman Ullah. "Thermal stability study of catalyst (CuO/ZnO) supported on phenyl polyhedral oligomeric silsesquioxanes." Journal of Thermal Analysis and Calorimetry 148.19 (2023): 9875-9891.

● Rodriguez Herrero, Yanet, and Aman Ullah. "Hydrophobic Polyhedral Oligomeric Silsesquioxane Support Enhanced Methanol Production from CO2 Hydrogenation." ACS Applied Materials & Interfaces 15.11 (2023): 14399-14414.

INVENTORS

● Aman Ullah

● Yanet Rodriguez Herrero

MORE INFORMATION Joanna Preston Associate Director, Licensing Technology Transfer Services, University of Alberta jpreston@ualberta.ca 780.492.7120

Organisation

University of Alberta

R&D Institution

Edmonton, Canada

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