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Journal article

Rate enhancement in microfabricated chemical reactors under fast forced temperature oscillations

By Hansen, Heine Anton1; Olsen, Jakob L.2; Jensen, Søren3; Hansen, Ole3; Quaade, Ulrich1

From

Department of Physics, Technical University of Denmark1

Technical University of Denmark2

Department of Micro- and Nanotechnology, Technical University of Denmark3

Center for Individual Nanoparticle Functionality, Centers, Technical University of Denmark4

Center for Nanoteknologi, Centers, Technical University of Denmark5

Oxidation of CO under fast forced temperature oscillations shows increased reaction rate compared to steady state. A maximum increase of 40% is observed relative to steady state. The reaction rate is investigated for varying mean temperature, amplitude and frequency. As function of mean temperature and amplitude a maximum is observed, whereas the reaction rate increases monotonically as function of frequency.

The phase difference between the CO, O2 and CO2 signals changes monotonically with varying oscillation parameters.

Language: English
Year: 2006
Pages: 272-275
ISSN: 18733905 and 15667367
Types: Journal article
DOI: 10.1016/j.catcom.2005.11.015
ORCIDs: Hansen, Heine Anton and Hansen, Ole
Keywords

Catalysis Fast forced temperature oscillations Microreactors Non-steady state

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