| EPSRC Reference: |
GR/R39566/01 |
| Title: |
Supercritical CO2: Heterogeneous Adsorption and Reaction. |
| Principal Investigator: |
Anderson, Professor J |
| Other Investigators: |
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| Researcher Co-Investigators: |
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| Department: |
College of Life Sciences |
| Organisation: |
University of Dundee |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
01 October 2001 |
Ends: |
30 September 2004 |
Value (£): |
59,276
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| EPSRC Research Topic Classifications: |
| Catalysis & Applied Catalysis |
Chemical Synthetic Methodology |
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| EPSRC Industrial Sector Classifications: |
| Chemicals |
No relevance to Underpinning Sectors |
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Summary on Grant Application Form |
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The use of supercritical C02 (scC02) as a benign solvent and in homogeneous catalysis has received a great deal of attention in academic and industrial laboratories world-wide. In contrast, there has been little published work on the use of scC02 as a reactant and in heterogeneous catalysis. The aim of this work is to gain a fundamental understanding of the mechanism of scC02 activation on supported metal catalysts. The foundations for this new subject lie In study of the thermodynamics and kinetics of sc;C02 adsorption and in the nature of the molecular interaction between scC02 and the catalyst surface. Additionally, remarkable effects of scC02 on the co-adsorption of H20IH2 have recently been observed, e.g. the action of scC02 as a desiccant. These phenomena will be investigated by (1) measuring mufticomponent adsorption isotherms varying pressure from sub- to super-critical, (2) in-situ high pressure IR spectroscopy to identify surface species and probe the interactions, and (3) molecular dynamics / Monte Carlo simulations of surface adsorption and activation. Further, the microkinetics of scC02 activation will be studied with the aid of a model reaction where adsorption phenomena and surface interaction are known to play a major role in the reaction mechanism. Hence, methanol synthesis from C02/H2 is severely inhibited by competitive adsorption of the byproduct H20.
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Key Findings |
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Potential use in non-academic contexts |
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.dundee.ac.uk |