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Comparative study between methane and ethane in catalytic partial oxidation over Pt and Rh foils using molecular-beam technique

Paper ID Volume ID Publish Year Pages File Format Full-Text
43542 45976 2007 10 PDF Available
Title
Comparative study between methane and ethane in catalytic partial oxidation over Pt and Rh foils using molecular-beam technique
Abstract

The effect of energetic activation of methane and ethane using molecular-beam techniques in their oxidation with O2 under steady-state condition was investigated over Pt and Rh foils. Energetic activation of methane and ethane by heating and seeding promoted the catalytic partial oxidation and enhanced hydrogen formation in particular. Based on the results on the reaction order measurements over Pt foil, one possible explanation for the promotion is that the energetically activated methane and ethane react with adsorbed oxygen and produce methoxy and ethoxy species, which are regarded as precursors for hydrogen formation. The production rates over Rh foil were smaller then over Pt foil, and lower O2 partial pressure was required to produce CO and hydrogen, which is related to the higher oxygen affinity of Rh.

Graphical abstractThe effect of energetic activation of methane and ethane using molecular-beam techniques in catalytic partial oxidation under steady-state condition was investigated over Pt and Rh foils. Energetic activation of methane and ethane by heating and seeding promoted the catalytic partial oxidation and enhanced hydrogen formation in particular.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Partial oxidation; Methane; Ethane; Energetic activation; Molecular-beam
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Comparative study between methane and ethane in catalytic partial oxidation over Pt and Rh foils using molecular-beam technique
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 328, Issue 2, 10 September 2007, Pages 140–149
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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Any Questions? feel free to contact us