Catalytic nanoliths

H. Feng, J. W. Elam, J. A. Libera, M. J. Pellin, Peter C Stair

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

The nanoporous anodic aluminum oxide (AAO) structure is shown to be a useful platform for heterogeneous catalysis. By appropriately masking the perimeter during anodization and etching, the AAO can be formed at the center of an aluminum disc. The remaining aluminum ring connects seamlessly to the AAO and provides mechanical support for convenient handling. The supported AAO can be sealed in a standard fitting so that the nanopores in the structure function as an array of tubular reactors, i.e. a nanolith. Coating the walls with catalytically active materials turns the nanolith into a novel catalytic system. For the oxidative dehydrogenation (ODH) of cyclohexane, the nanolith catalytic system is superior to a conventional powdered catalyst in terms of both efficiency and in reducing over oxidation. A simple analysis of the flow through the nanolith combined with experimental data indicates that mass transfer through the nanopores follows a mixed flow model.

Original languageEnglish
Pages (from-to)560-567
Number of pages8
JournalChemical Engineering Science
Volume64
Issue number3
DOIs
Publication statusPublished - Feb 2009

Fingerprint

Aluminum Oxide
Aluminum
Nanopores
Oxides
Nanopore
Dehydrogenation
Catalysis
Etching
Mass transfer
Masking
Mass Transfer
Structure-function
Perimeter
Cyclohexane
Catalyst
Oxidation
Coatings
Reactor
Catalysts
Coating

Keywords

  • Anodic aluminum oxide (AAO)
  • Catalysis
  • Multiphase reactions
  • Nanostructure
  • Oxidative dehydrogenation (ODH)
  • Porous media

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)
  • Applied Mathematics
  • Industrial and Manufacturing Engineering

Cite this

Feng, H., Elam, J. W., Libera, J. A., Pellin, M. J., & Stair, P. C. (2009). Catalytic nanoliths. Chemical Engineering Science, 64(3), 560-567. https://doi.org/10.1016/j.ces.2008.09.027

Catalytic nanoliths. / Feng, H.; Elam, J. W.; Libera, J. A.; Pellin, M. J.; Stair, Peter C.

In: Chemical Engineering Science, Vol. 64, No. 3, 02.2009, p. 560-567.

Research output: Contribution to journalArticle

Feng, H, Elam, JW, Libera, JA, Pellin, MJ & Stair, PC 2009, 'Catalytic nanoliths', Chemical Engineering Science, vol. 64, no. 3, pp. 560-567. https://doi.org/10.1016/j.ces.2008.09.027
Feng H, Elam JW, Libera JA, Pellin MJ, Stair PC. Catalytic nanoliths. Chemical Engineering Science. 2009 Feb;64(3):560-567. https://doi.org/10.1016/j.ces.2008.09.027
Feng, H. ; Elam, J. W. ; Libera, J. A. ; Pellin, M. J. ; Stair, Peter C. / Catalytic nanoliths. In: Chemical Engineering Science. 2009 ; Vol. 64, No. 3. pp. 560-567.
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