A mass transfer model for simulating VOC sorption on building materials

X. Yang, Q. Chen, J. S. Zhang, Y. An, J. Zeng, C. Y. Shaw

Research output: Contribution to journalArticlepeer-review

74 Scopus citations


The sorption of volatile organic compounds (VOCs) by different building materials can significantly affect VOC concentrations in indoor environments. In this paper, a new model has been developed for simulating VOC sorption and desorption rates of homogeneous building materials with constant diffusion coefficients and material-air partition coefficients. The model analytically solves the VOC sorption rate at the material-air interface. It can be used as a 'wall function' in combination with more complex gas-phase models that account for non-uniform mixing to predict sorption process. It can also be used in conjunction with broader indoor air quality studies to simulate VOC exposure in buildings.

Original languageEnglish (US)
Pages (from-to)1291-1299
Number of pages9
JournalAtmospheric Environment
Issue number7
StatePublished - 2001


  • Diffusion coefficient
  • Environmental chamber
  • Gypsum board
  • Indoor air quality
  • Numerical model
  • Partition coefficient

ASJC Scopus subject areas

  • General Environmental Science
  • Atmospheric Science


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