Measurements of respirable dust and nanoparticle concentrations in a titanium dioxide pigment production factory

Cheng Hsiung Huang*, Chih Yuan Tai, Cheng Y.U. Huang, Chuen-Tinn Tsai, Chun Wan Chen, Cheng Ping Chang, Tung Sheng Shih

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

This study compared respirable dust and nanoparticle concentrations measured by different sampling devices at a titanium dioxide pigment factory. Respirable particle mass concentrations, nanoparticle concentrations, particle size distribution and particle metallic content were measured at different sampling locations. The sampling results of the Multi-orifice Uniform Deposit Impactor (MOUDI) showed that the particle size distribution at this titanium dioxide production factory fell in the range of 1-10 μm. Generally, the higher levels of the respirable particle mass concentrations and nanoparticle number concentrations were near the packing site of the pigment titanium dioxide production factory. Metal analysis results revealed that the titanium dioxide concentrations in respirable dust and nanoparticles were within the limits specified by National Institute for Occupational Safety and Health (NIOSH). During sampling, particle metallic content analysis is essential for identifying the source of particles and for measuring respirable dust and nanoparticle concentrations.

Original languageEnglish
Pages (from-to)1227-1233
Number of pages7
JournalJournal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
Volume45
Issue number10
DOIs
StatePublished - 1 Jan 2010

Keywords

  • Nanoparticles
  • Particle concentration
  • Respirable dust
  • Titanium dioxide

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