Thunyapat Thongyen1, Mitsuhiko Hata1, Akira Toriba1, Takuji Ikeda2, Hiromi Koyama3, Yoshio Otani1, Masami Furuuchi 1

  • 1 Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa 920-1192, Japan
  • 2 Nitta Cooperation, 172 Ikezawacho, Yamatokōriyama, Nara 639-1085, Japan
  • 3 Shibata Scientific Technology, Tokyo 113-0034, Japan

Received: May 25, 2014
Revised: June 9, 2014
Accepted: June 10, 2014
Download Citation: ||https://doi.org/10.4209/aaqr.2014.05.0102  

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Cite this article:
Thongyen, T., Hata, M., Toriba, A., Ikeda, T., Koyama, H., Otani, Y. and Furuuchi, M. (2015). Development of PM0.1 Personal Sampler for Evaluation of Personal Exposure to Aerosol Nanoparticles. Aerosol Air Qual. Res. 15: 180-187. https://doi.org/10.4209/aaqr.2014.05.0102


HIGHLIGHTS

  • Separation performance of a layered mesh inertial filter was evaluated. 
  • Influences of particle loading on the separation performance was discussed.
  • Performance was validated by comparing with that of an existing sampler.

 

ABSTRACT


A PM0.1 sampler for the evaluation of the personal exposure to nanoparticles was designed based on a novel approach to a layered mesh inertial filter. Applications to practical environments would include roadsides and highly contaminated workplaces. The separation performances of PM0.1 sampler consisting of a layered mesh inertial filter and pre-separators for the removal of coarse particles were evaluated. The influence of particle loading on the pressure drop and separation performance, which is important from a practical standpoint, was also discussed. The novel personal sampler recorded a cutoff size of 100 nm with a small pressure drop of ~5 kPa. Through the combination of a layered mesh inertial filter for the PM0.1 and pre-cut impactors for the removal of huge or coagulated particles (PM1.4-TSP) along with a pre-cut inertial filter using webbed SUS fibers for the removal of fine particles (PM0.5-PM1.4), the present PM0.1 inlet for the personal sampler was practical for the chemical analysis of collected particles. This sampler was proven effective even under the limitations of a small-capacity portable battery pump, which was rated at less than the minimum change for separation performance. The novel PM0.1 personal sampler is compact and lightweight (under 1 kg including a portable battery pump), which is important for the practical application of a personal sampler.


Keywords: PM0.1; Nanoparticles; Personal exposure; Inertial filter


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