Simulation of methanol adsorption on Pt/Ru catalysts

Christov, Mihai; Sundmacher, Kai

doi:10.1016/j.susc.2003.09.020

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Simulation of methanol adsorption on Pt/Ru catalysts

Christov, M., & Sundmacher, K. (2003). Simulation of methanol adsorption on Pt/Ru catalysts. Surface Science, 547, 1-8. doi:10.1016/j.susc.2003.09.020.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-9FC5-0 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-7B35-E

Genre: Journal Article

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Creators:
Christov, Mihai^{1, 2, 3}, Author
Sundmacher, Kai^{1, 4}, Author

Affiliations:
1Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738151
2Dep. of Physical Chemistry, Sofia Bulgaria (2nd Aff.), persistent:22
3Univ. of Chemical Technology and Metallurgy,, persistent:22
4Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156

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Abstract: The irreversible adsorption of methanol on Pt/Ru catalysts is studied by simulation of the adsorption process on square and hexagonal lattice. It is assumed that three adjacent Pt sites are needed. The maximum degree of coverage is determined as a function of the Ru surface content. A simple first order adsorption kinetic equation, taking the maximum degrees of coverage into account, fits the simulation results well. It is shown that catalysts containing 10 to 30% Ru should have the best catalytic properties at low temperatures.

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Language(s): eng - English

Dates: Date issued: 2003

Publication Status: Issued

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Identifiers: eDoc: 124487
Other: 833 14/03
DOI: 10.1016/j.susc.2003.09.020

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Title: Surface Science

Source Genre: Journal

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Pages: - Volume / Issue: 547 Sequence Number: - Start / End Page: 1 - 8 Identifier: -