Evaluation of the particle measurement programme (PMP) protocol to remove the vehicles' exhaust aerosol volatile phase

B. Giechaskiel, R. Chirico, P.F. DeCarlo, M. Clairotte, T. Adam, G. Martini, M.F. Heringa, R. Richter, A.S.H. Prevot, U. Baltensperger, C. Astorga

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Abstract

European regulation for Euro 5/6 light duty emissions introduced the measurement of non-volatile particles with diameter > 23 nm. The volatile phase is removed by using a heated dilution stage (150°C) and a heated tube (at 300-400°C). We investigated experimentally the removal efficiency for volatile species of the specific protocol by conducting measurements with two Euro 3 diesel light duty vehicles, a Euro 2 moped, and a Euro III heavy duty vehicle with the system's heaters on and off. The particle number distributions were measured with a Scanning Mobility Particle Sizer (SMPS) and a Fast Mobility Particle Sizer (FMPS). An Aerosol Mass Spectrometer (AMS) was used to identify the non-refractory chemical composition of the particles. A Multi-Angle Absorption Photometer (MAAP) was used to measure the black carbon concentration. The results showed that the condensed material in the accumulation mode (defined here as particles in the diameter range of ~ 50-500. nm) was removed with an efficiency of 50-90%. The (volatile) nucleation mode was also completely evaporated or was decreased to sizes < 23 nm; thus these particles wouldn't be counted from the particle counter, indicating the robustness of the protocol. © 2010 Elsevier B.V.
Original languageEnglish
Pages (from-to)5106 - 5116
Number of pages11
JournalScience of the Total Environment
Volume408
Issue number21
DOIs
Publication statusPublished - Oct 2010
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution

Cite this

Giechaskiel, B., Chirico, R., DeCarlo, P. F., Clairotte, M., Adam, T., Martini, G., Heringa, M. F., Richter, R., Prevot, A. S. H., Baltensperger, U., & Astorga, C. (2010). Evaluation of the particle measurement programme (PMP) protocol to remove the vehicles' exhaust aerosol volatile phase. Science of the Total Environment, 408(21), 5106 - 5116. https://doi.org/10.1016/j.scitotenv.2010.07.010