Journal
CATALYSIS SCIENCE & TECHNOLOGY
Volume 7, Issue 18, Pages 4034-4040Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cy01246b
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Funding
- Swedish Research Council
- Chalmers Area of Advance Nanoscience and Nanotechnology
- Chalmers Area of Transport
- Swedish Energy Agency
- AB Volvo
- ECAPS AB
- Haldor Topsoe A/S
- Scania CV AB
- Volvo Car Corporation AB
- Wartsila Finland Oy
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Catalytic reactions are commonly characterized by measuring reaction orders and apparent activation energies. In the present work, these macroscopic measurables are related to the degree of rate control (chi(i)), which describes how the overall kinetics is influenced by the elementary reactions. The reaction orders are found to be chi(i)-weighted sums over the microscopic rates, derived with respect to pressure. Similarly, the apparent activation energy is shown to be a sum over the individual reaction-energy-barriers, weighted by chi(i). The results couple macroscopic kinetics to the microscopic scale, which can facilitate analysis of catalytic reaction kinetics.
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