Functionalized carbon nanofibers as solid-acid catalysts for transesterification

D.R. Stellwagen, F. van der Klis, D.S. van Es, K.P. de Jong, J.H. Bitter

Research output: Contribution to journalArticleAcademicpeer-review

25 Citations (Scopus)

Abstract

Carbon nanofibers (CNFs) were functionalized with aryl sulfonic acid groups using in situ diazonium coupling. The use of diazonium coupling yielded an acidic carbon material, in which the introduced acidic groups are readily accessible to the triglyceride substrate. The material is an efficient catalyst for the transesterification of triolein and methanol, outperforming conventional sulfonated carbons in both stability and activity per acid site. Upon comparing CNFs with varying degrees of functionalization, a linear correlation between sulfonic acid sites and catalytic performance was found.
Original languageEnglish
Pages (from-to)1668-1672
JournalChemSusChem
Volume6
Issue number9
DOIs
Publication statusPublished - 2013

Keywords

  • ordered mesoporous carbon
  • heterogeneous catalysts
  • biodiesel
  • nanotubes
  • chemistry
  • black
  • ions
  • oils

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