Time-resolved measurements of low concentration aromatic hydrocarbons in diesel exhaust using a resonance enhanced multi-photon ionization method

K. Misawa, K. Tanaka, H. Yamada, Y. Goto, Jun Matsumoto, Y. Yamato, S. Ishiuchi, M. Fujii, K. Tanaka, K. Endo, S. Hayashi

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Time-resolved measurements of the concentration of volatile organic compounds (VOCs) and polycyclic aromatic hydrocarbons (PAHs) in exhaust from a diesel vehicle fitted with an oxidation catalyst and operated in JE05 mode are performed at a sensitivity of 10 ppb using a supersonic jet/resonance enhanced multi-photon ionization (Jet-REMPI) method. The concentrations of benzene, naphthalene, and phenol in exhaust from the test vehicle are measured before entering and after exiting from the oxidation catalyst. The total hydrocarbon (THC) is measured simultaneously using a constant volume sample (CVS) instrument fitted with a flame ionization detector (FID). Concentration changes of benzene, naphthalene and phenol are recorded at 1 s intervals and quantified using standard samples. Comparison of these signals with the real-time THC data shows that the time dependence of the individual species is almost the same as that of the THC before the oxidation catalyst but substantially different after.

Original languageEnglish
Pages (from-to)409-417
Number of pages9
JournalInternational Journal of Engine Research
Volume10
Issue number6
DOIs
Publication statusPublished - 2009 Dec 1
Externally publishedYes

Fingerprint

Aromatic hydrocarbons
Time measurement
Ionization
Photons
Hydrocarbons
Naphthalene
Oxidation
Catalysts
Phenols
Benzene
Polycyclic aromatic hydrocarbons
Volatile organic compounds
Detectors

Keywords

  • Exhaust emission
  • Jet-REMPI
  • PAH
  • VOC

ASJC Scopus subject areas

  • Mechanical Engineering
  • Aerospace Engineering
  • Automotive Engineering
  • Ocean Engineering

Cite this

Time-resolved measurements of low concentration aromatic hydrocarbons in diesel exhaust using a resonance enhanced multi-photon ionization method. / Misawa, K.; Tanaka, K.; Yamada, H.; Goto, Y.; Matsumoto, Jun; Yamato, Y.; Ishiuchi, S.; Fujii, M.; Tanaka, K.; Endo, K.; Hayashi, S.

In: International Journal of Engine Research, Vol. 10, No. 6, 01.12.2009, p. 409-417.

Research output: Contribution to journalArticle

Misawa, K. ; Tanaka, K. ; Yamada, H. ; Goto, Y. ; Matsumoto, Jun ; Yamato, Y. ; Ishiuchi, S. ; Fujii, M. ; Tanaka, K. ; Endo, K. ; Hayashi, S. / Time-resolved measurements of low concentration aromatic hydrocarbons in diesel exhaust using a resonance enhanced multi-photon ionization method. In: International Journal of Engine Research. 2009 ; Vol. 10, No. 6. pp. 409-417.
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