Ethylene epoxidation catalyzed by chlorine-promoted silver oxide

M.O. Özbek; I. Onal; R. A. Van Santen

doi:10.1088/0953-8984/23/40/404202

Ethylene epoxidation catalyzed by chlorine-promoted silver oxide

M.O. Özbek, I. Onal, R. A. Van Santen

Inorganic Materials & Catalysis

Research output: Contribution to journal › Article › Academic › peer-review

32 Citations (Scopus)

Abstract

It is demonstrated that, on a silver oxide surface, direct formation of ethylene oxide (EO) through the reaction between gas phase ethylene and surface oxygen is possible. The direct reaction channel produces EO selectively without competing with acetaldehyde (AA) formation. The oxometallacycle (OMC) forms on an oxygen vacant surface and reduces EO selectivity. Cl adsorption removes these surface vacant sites and hence prevents the formation of the OMC intermediate.

Original language	English
Article number	404202
Number of pages	7
Journal	Journal of Physics: Condensed Matter
Volume	23
Issue number	40
DOIs	https://doi.org/10.1088/0953-8984/23/40/404202
Publication status	Published - 12 Oct 2011

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10.1088/0953-8984/23/40/404202

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title = "Ethylene epoxidation catalyzed by chlorine-promoted silver oxide",

abstract = "It is demonstrated that, on a silver oxide surface, direct formation of ethylene oxide (EO) through the reaction between gas phase ethylene and surface oxygen is possible. The direct reaction channel produces EO selectively without competing with acetaldehyde (AA) formation. The oxometallacycle (OMC) forms on an oxygen vacant surface and reduces EO selectivity. Cl adsorption removes these surface vacant sites and hence prevents the formation of the OMC intermediate.",

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AU - Özbek, M.O.

AU - Onal, I.

AU - Van Santen, R. A.

PY - 2011/10/12

Y1 - 2011/10/12

N2 - It is demonstrated that, on a silver oxide surface, direct formation of ethylene oxide (EO) through the reaction between gas phase ethylene and surface oxygen is possible. The direct reaction channel produces EO selectively without competing with acetaldehyde (AA) formation. The oxometallacycle (OMC) forms on an oxygen vacant surface and reduces EO selectivity. Cl adsorption removes these surface vacant sites and hence prevents the formation of the OMC intermediate.

AB - It is demonstrated that, on a silver oxide surface, direct formation of ethylene oxide (EO) through the reaction between gas phase ethylene and surface oxygen is possible. The direct reaction channel produces EO selectively without competing with acetaldehyde (AA) formation. The oxometallacycle (OMC) forms on an oxygen vacant surface and reduces EO selectivity. Cl adsorption removes these surface vacant sites and hence prevents the formation of the OMC intermediate.

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U2 - 10.1088/0953-8984/23/40/404202

DO - 10.1088/0953-8984/23/40/404202

M3 - Article

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VL - 23

JO - Journal of Physics: Condensed Matter

JF - Journal of Physics: Condensed Matter

IS - 40

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ER -

Ethylene epoxidation catalyzed by chlorine-promoted silver oxide

Abstract

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