Control of emission rates of chemical compounds emitted by controlling their mass transfer coefficients on the surface of the tested building material

Janghoo Seo, Sunwoo Lee, Sumin Kim, Yujin Nam

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The air change rate in the chamber, the loading factor of the materials, and the mass transfer coefficient are very important factors in the measurement of chemical compounds, because they have a decisive effect on emission rates of chemical compounds emitted from materials. Small 20-liter chambers, such as the advanced pollution and air quality chamber, are generally used in Korea and Japan for measuring the amount of released chemicals. In this study, chemical compounds released from building materials and adhesives were measured using a chamber proposed by the authors to control the mass transfer coefficient on the surface of the tested building material and we examined the distribution of chemical compounds concentrations in the chamber by means of computational fluid dynamics to confirm test reliability. The chamber was controlled and maintained at 28 °C, a relative humidity of 50%, a mass transfer coefficient of 14 m/h with an air change rate of 0.50 h-1, and formaldehyde and total volatile organic compounds were emitted from the flooring material and adhesive. As the mass transfer coefficient on the surface of the tested building material increased, the emission rates of chemical compounds measured using the proposed chamber increased. The mass transfer coefficient on the surface of the tested building material significantly influenced the emission rates of the chemical compounds released from the building material and adhesive.

Original languageEnglish
Pages (from-to)610-619
Number of pages10
JournalJournal of Adhesion Science and Technology
Volume27
Issue number5-6
DOIs
Publication statusPublished - 2013 Mar 1

Fingerprint

chemical compounds
Chemical compounds
mass transfer
Mass transfer
chambers
coefficients
Adhesives
adhesives
Volatile Organic Compounds
Air
air quality
Volatile organic compounds
Air quality
Korea
Formaldehyde
volatile organic compounds
air
computational fluid dynamics
pollution
formaldehyde

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Mechanics of Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

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abstract = "The air change rate in the chamber, the loading factor of the materials, and the mass transfer coefficient are very important factors in the measurement of chemical compounds, because they have a decisive effect on emission rates of chemical compounds emitted from materials. Small 20-liter chambers, such as the advanced pollution and air quality chamber, are generally used in Korea and Japan for measuring the amount of released chemicals. In this study, chemical compounds released from building materials and adhesives were measured using a chamber proposed by the authors to control the mass transfer coefficient on the surface of the tested building material and we examined the distribution of chemical compounds concentrations in the chamber by means of computational fluid dynamics to confirm test reliability. The chamber was controlled and maintained at 28 °C, a relative humidity of 50{\%}, a mass transfer coefficient of 14 m/h with an air change rate of 0.50 h-1, and formaldehyde and total volatile organic compounds were emitted from the flooring material and adhesive. As the mass transfer coefficient on the surface of the tested building material increased, the emission rates of chemical compounds measured using the proposed chamber increased. The mass transfer coefficient on the surface of the tested building material significantly influenced the emission rates of the chemical compounds released from the building material and adhesive.",
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Control of emission rates of chemical compounds emitted by controlling their mass transfer coefficients on the surface of the tested building material. / Seo, Janghoo; Lee, Sunwoo; Kim, Sumin; Nam, Yujin.

In: Journal of Adhesion Science and Technology, Vol. 27, No. 5-6, 01.03.2013, p. 610-619.

Research output: Contribution to journalArticle

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