Kinetic and CFD Modeling of Exhaust Gas Reforming of Natural Gas in a Catalytic Fixed-Bed Reactor for Spark Ignition Engines

Abdulwahid Arman, Ftwi Yohaness Hagos*, Abdul Adam Abdullah, Abd Rashid Abd Aziz, Rizalman Mamat, Chin Kui Cheng, Dai Viet N. Vo

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Fuel reforming is an attractive method for performance enhancement of internal combustion engines fueled by natural gas, since the syngas can be generated inline from the reforming process. In this study, 1D and 2D steady-state modeling of exhaust gas reforming of natural gas in a catalytic fixed-bed reactor were conducted under different conditions. With increasing engine speed, methane conversion and hydrogen production increased. Similarly, increasing the fraction of recirculated exhaust gas resulted in higher consumption of methane and generation of H2 and CO. Steam addition enhanced methane conversion. However, when the amount of steam exceeded that of methane, less hydrogen was produced. Increasing the wall temperature increased the methane conversion and reduced the H2/CO ratio.

Original languageEnglish
Pages (from-to)705-718
Number of pages14
JournalChemical Engineering and Technology
Volume43
Issue number4
DOIs
Publication statusPublished - Apr 1 2020

Keywords

  • EGR
  • Exhaust gas reforming
  • Natural gas
  • SI engine
  • Syngas

ASJC Scopus subject areas

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

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