Adsorption and conversion of various hydrocarbons on monolithic hydrocarbon adsorber

  • Kim D
  • Kim J
  • Yie J
 et al. 
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Abstract

Adsorption and conversion of various hydrocarbons on monolithic hydrocarbon adsorbers were studied using a new experimental model, temperature-programmed adsorption (TPA). In this study, methyl alcohol, acetone, acetaldehyde, 2,2,4-trimethylpentane, n-octane, and toluene were chosen as model hydrocarbons for cold start of a vehicle. The effect of the hydrocarbon components and oxygen concentration on the TPA curve was investigated. Depending on the presence of O2, the adsorbed and desorbed amounts of the hydrocarbons were decreased, while the conversion efficiency of the hydrocarbons was increased. In the case of hydrocarbons containing oxygen, the thermal decomposition appeared to be in the order methanol, acetaldehyde, and acetone. © 2004 Elsevier Inc. All rights reserved.

Author-supplied keywords

  • Adsorption
  • Cold start
  • Conversion
  • H-ZSM-5
  • Hydrocarbon
  • TPA

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Authors

  • Dae Jung Kim

  • Ji Man Kim

  • Jae Eui Yie

  • Seong Gyu Seo

  • Sang Chai Kim

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