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Demonstrating Heterogeneous Gas-Phase Catalysis with the Gas Reaction Catalyst Tube

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Ron Perkins

Educational Innovations, Inc., Norwalk, CT 06851

Bruce Mattson , Jiro Fujita , Rebecca Catahan , Wes Cheng , Jaclyn Greimann , Trisha Hoette , Paras Khandhar , Andrew Mattson , Anand Rajani and Patrick Sullivan

Department of Chemistry, Creighton University, Omaha, NE 68178-0104

Thomas P Gonella

Department of Chemistry, Mayville State University, Mayville, ND 58275

J. Chem. Educ., 2003, 80 (7), p 768

DOI: 10.1021/ed080p768

Publication Date (Web): July 1, 2003

Abstract

Nine gas-phase reactions that can be accomplished with an inexpensive, commercially-available glass-encased, heterogeneous palladium catalyst tube are described. The catalyzed reactions are suitable for demonstrating gas-phase reactions in the classroom or teaching laboratory. The reactions described include air or oxygen oxidations (CH₄ + O₂, CO + O₂, NH₃ + O₂), hydrogenation of ethene, thermal decomposition of nitrous oxide, oxidations involving nitrogen dioxide (CH₄ + NO₂, CO + NO₂), and two oxidation reactions involving nitrous oxide (N₂O + NH₃, N₂O + CO). Several of the reactions demonstrate processes that take place in an automotive catalytic converter. In all cases, the products can be tested by simple chemical methods.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Domain):

Demonstrations

Keywords (Feature):

Tested Demonstrations

Keywords (Subject):

Catalysis

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This article has been cited by 3 ACS Journal articles (3 most recent appear below).

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  Journal of Chemical Education2006 83 (3), 417
  Complex experiments in heterogeneous catalysis, carried out using a simple gas chromatograph (GC), are described. The catalyst is placed inside the GC injector liner and the reactants are injected, vaporized to gas phase, and led through the catalyst bed ...
  Abstract | Hi-Res PDF | PDF w/ Links