1,3-butadiene selective hydrogenation over pd/alumina and cupd/alumina catalysts

Brian K. Furlong, Joe W. Hightower, Tammy Y L Chan, A. Sárkány, L. Guczi

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

The selective hydrogenation of 1,3-butadiene was studied in the presence of a 10:1 excess of 1-butene over supported bimetallic catalysts containing palladium in a vapour phase atmospheric plug flow reactor in the temperature range 288-313 K. Addition of copper to alumina-supported Pd increases its selectivity for converting butadiene to n-butenes without saturating or isomerizing the n-butenes. For example, with atomic ratio Cu/Pd = 2, the bimetallic catalyst selectively converts > 99% of the diene to n-butenes while isomerizing or saturating less than 1% of the starting 1-butene. Under similar conditions, Pd alone maintains high n-butene selectivity to only about 50% conversion of the diene. Over both catalysts the kinetics of 1,3-butadiene hydrogenation are first order in hydrogen and zero order in butadiene. Hydrogen sorption experiments showed that Cu addition decreases both the surface adsorption and the bulk absorption, the former suggesting surface decoration of Pd by Cu and the latter indicating significant bulk Cu-Pd interaction in the supported bimetallic samples.

Original languageEnglish
Pages (from-to)41-51
Number of pages11
JournalApplied Catalysis A: General
Volume117
Issue number1
DOIs
Publication statusPublished - Sep 15 1994

Fingerprint

Aluminum Oxide
Butadiene
Butenes
Hydrogenation
Alumina
Catalysts
Hydrogen
Palladium
Catalyst supports
Sorption
Copper
Vapors
Adsorption
Kinetics
1,3-butadiene
butylene
Experiments
Temperature
1-butene

Keywords

  • Bimetallic catalysts
  • Butadiene hydrogenation
  • Hydrogenation
  • Palladium catalysts
  • Palladium copper alloys
  • Selective hydrogenation
  • Temperature programmed reduction (TPR)

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology

Cite this

1,3-butadiene selective hydrogenation over pd/alumina and cupd/alumina catalysts. / Furlong, Brian K.; Hightower, Joe W.; Chan, Tammy Y L; Sárkány, A.; Guczi, L.

In: Applied Catalysis A: General, Vol. 117, No. 1, 15.09.1994, p. 41-51.

Research output: Contribution to journalArticle

Furlong, Brian K. ; Hightower, Joe W. ; Chan, Tammy Y L ; Sárkány, A. ; Guczi, L. / 1,3-butadiene selective hydrogenation over pd/alumina and cupd/alumina catalysts. In: Applied Catalysis A: General. 1994 ; Vol. 117, No. 1. pp. 41-51.
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