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  XPS of carbon on Pt-black and EUROPT-1. Is methylcyclopentane ring opening a ‘coke sensitive’ reaction?

Paál, Z. (1994). XPS of carbon on Pt-black and EUROPT-1. Is methylcyclopentane ring opening a ‘coke sensitive’ reaction? Journal of Molecular Catalysis A, 94(2), 225-232. doi:10.1016/S0304-5102(94)87044-6.

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 Creators:
Paál, Zoltán1, 2, Author           
Affiliations:
1Fritz Haber Institute, Max Planck Society, ou_24021              
2Institute of Isotopes of the Hungarian Academy of Sciences, P.O. Box 77, Budapest, H-1525 Hungary, ou_persistent22              

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 Abstract: XPS line decomposition of carbon residues on Pt-black and EUROPT-1 reveal the presence of a graphitic, hydrocarbon polymer and oxidized carbon overlayers on both catalysts. Usual regeneration pretreatment with oxygen and hydrogen at reaction temperatures (ca. 600 K) does not remove all carbon from Pt-black or EUROPT-1 but an O2 treatment of EUROPT-1 at 673 K removes most of the carbon. A ‘coke sensitivity’ is suggested as an additional factor influencing the ‘selectivity’ (the 2-methylpentane/n-hexane (2MP/nH) ratio) of ring opening of methylcyclopentane, the absence of oxidized carbonaceous entities being necessary to produce low 2MP/nH ratios.

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Language(s): eng - English
 Dates: 1994-04-081994-06-281994-11-27
 Publication Status: Issued
 Pages: 8
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/S0304-5102(94)87044-6
 Degree: -

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Title: Journal of Molecular Catalysis A
Source Genre: Journal
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Affiliations:
Publ. Info: Amsterdam : Elsevier
Pages: 8 Volume / Issue: 94 (2) Sequence Number: - Start / End Page: 225 - 232 Identifier: ISSN: 1381-1169
CoNE: https://pure.mpg.de/cone/journals/resource/954925621184