Pinched inlet gravitational split-flow thin fractionation of airborne particles and analysis of size dependent level of PCDD/Fs

Myeong Hee Moon, Hyun Joo Kim, Se Jin Lee, Yoon Seok Chang

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Fine particles in air have a direct influence on human health because they carry toxic chemicals that can be deposited in the human lung when inhaled. Thus, particle size distribution and size dependent level of contamination of the airborne particles are important parameters for the study and assessment of environmental pollution. In this study, gravitational split-flow thin (SPLITT) fractionation (or GSF), a semi-preparative scale separation technique for particles, was applied for the continuous size sorting of airborne particles collected in urban area. About 2.0 g of airborne particles was fractionated into four different size intervals (<1.5, 1.5-2.5, 2.5-5.0, and >5.0 μm), and the collected fractions were examined by electron microscopy for particle size distribution and analyzed for the size dependent levels of polychlorinated dibenzo-p-dioxins and furans (PCDD/Fs). It was found that more than 60% of particles including dissolved matters in weight were smaller than 5.0 μm and they contained more than 86% of the total PCDD/Fs amount in airborne particles.

Original languageEnglish
Pages (from-to)1231-1236
Number of pages6
JournalJournal of Separation Science
Volume28
Issue number11
DOIs
Publication statusPublished - 2005 Jul 1

Fingerprint

Furans
Fractionation
Particle size analysis
Poisons
Sorting
Electron microscopy
Pollution
Contamination
Health
Air
dibenzo(1,4)dioxin

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Filtration and Separation

Cite this

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abstract = "Fine particles in air have a direct influence on human health because they carry toxic chemicals that can be deposited in the human lung when inhaled. Thus, particle size distribution and size dependent level of contamination of the airborne particles are important parameters for the study and assessment of environmental pollution. In this study, gravitational split-flow thin (SPLITT) fractionation (or GSF), a semi-preparative scale separation technique for particles, was applied for the continuous size sorting of airborne particles collected in urban area. About 2.0 g of airborne particles was fractionated into four different size intervals (<1.5, 1.5-2.5, 2.5-5.0, and >5.0 μm), and the collected fractions were examined by electron microscopy for particle size distribution and analyzed for the size dependent levels of polychlorinated dibenzo-p-dioxins and furans (PCDD/Fs). It was found that more than 60{\%} of particles including dissolved matters in weight were smaller than 5.0 μm and they contained more than 86{\%} of the total PCDD/Fs amount in airborne particles.",
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Pinched inlet gravitational split-flow thin fractionation of airborne particles and analysis of size dependent level of PCDD/Fs. / Moon, Myeong Hee; Kim, Hyun Joo; Lee, Se Jin; Chang, Yoon Seok.

In: Journal of Separation Science, Vol. 28, No. 11, 01.07.2005, p. 1231-1236.

Research output: Contribution to journalArticle

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