Carbon poisoning of Pt/SiO2 catalysts

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Formation of carbonaceous deposits from n-hexane, methane and 1,5-hexadiene has been investigated at 673 Kover Pt/SiO2 catalysts of differing dispersion. The measurements with 1,5-hexadiene, 2,4-hexadiene and trans-hexatriene over SiO2 have confirmed the monofunctional behaviour of the catalysts. The initial C/PtS value is smaller, the subsequent rate of deposit formation and the fraction of "free" sites are higher on highly dispersed samples than on poorly dispersed ones. On catalysts of high Pt dispersion the C-C bond rupturing activity might impede the transformation of C6 entities into graphitic deposits.

Original languageEnglish
Pages (from-to)125-134
Number of pages10
JournalStudies in Surface Science and Catalysis
Volume34
Issue numberC
DOIs
Publication statusPublished - 1987

Fingerprint

Catalyst poisoning
hexadiene
poisoning
Carbon
Deposits
deposits
catalysts
Catalysts
carbon
rupturing
Methane
Hexane
methane
1,5-hexadiene

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Catalysis
  • Physical and Theoretical Chemistry
  • Materials Chemistry
  • Surfaces, Coatings and Films

Cite this

Carbon poisoning of Pt/SiO2 catalysts. / Sárkány, A.

In: Studies in Surface Science and Catalysis, Vol. 34, No. C, 1987, p. 125-134.

Research output: Contribution to journalArticle

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