A mass transfer model for simulating VOC sorption on building materials |
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| Institution: | 1. Department of Civil, Architectural, and Environmental Engineering, University of Miami, P.O. Box 248 294, Coral Gables, FL 33124-0630, USA;2. Building Technology Program, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA;3. Department of Mechanical, Aerospace & Manufacturing Engineering, Syracuse University, 147 Link Hall, Syracuse, NY 13244, USA;4. National Research Council of Canada, Institute for Research in Construction, Indoor Environment Program, M-24, Montreal Road, Ottawa, Ontario, Canada K1A 0R6;1. Univ. Artois, UMR 8181, Unité de Catalyse et de Chimie du Solide (UCCS), F-62300 Lens, France;2. CNRS, UMR 8181, Unité de Catalyse et de Chimie du Solide (UCCS), Lille F-59000, France;3. Université du Littoral Côte d’Opale, Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV), F-59140 Dunkerque, France;1. Süleyman Demirel University, Department of Environmental Engineering, Isparta, Turkey;2. Kocaeli University, Department of Environmental Engineering, Kocaeli, Turkey;3. Anadolu University, Department of Environmental Engineering, Eski?ehir, Turkey;4. Middle East Technical University, Department of Environmental Engineering, Ankara, Turkey |
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| Abstract: | 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. |
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