Modeling volatile organic compounds sorption on dry building materials using double-exponential model

Baoqing Deng; Di Ge; Jiajia Li; Yuan Guo; Chang Nyung Kim

Korean Journal of Chemical Engineering, Vol.30, No.7, 1380-1385, July, 2013

DOI10.1007/s11814-013-0056-1 Export Citation

Modeling volatile organic compounds sorption on dry building materials using double-exponential model

Baoqing Deng^†, Di Ge, Jiajia Li, Yuan Guo, and Chang Nyung Kim^{1, †}

Department of Environmental Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, P. R. China
¹College of Engineering, Kyung Hee University, Yongin 446-701, Korea

E-mail:,

A double-exponential surface sink model for VOCs sorption on building materials is presented. Here, the diffusion of VOCs in the material is neglected and the material is viewed as a surface sink. The VOCs concentration in the air adjacent to the material surface is introduced and assumed to always maintain equilibrium with the materialphase concentration. It is assumed that the sorption can be described by mass transfer between the room air and the air adjacent to the material surface. The mass transfer coefficient is evaluated from the empirical correlation, and the equilibrium constant can be obtained by linear fitting to the experimental data. The present model is validated through experiments in small and large test chambers. The predicted results accord well with the experimental data in both the adsorption stage and desorption stage. The model avoids the ambiguity of model constants found in other surface sink models and is easy to scale up.

Keywords:VOCs Sorption;Gas-phase Mass Transfer Coefficient;Building Materials

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[1] Jianyin X, Yinping Z, Shaodan H, Indoor and Built Environment., 20, 217 (2011)

[2] Deng B, Tang S, Kim JT, Kim CN, Korean J. Chem. Eng., 27(4), 1049 (2010)

[3] Li F, Niu JL, Atmospheric Environment., 41, 2344 (2007)

[4] Cox SS, Liu Z, Little JC, Howard-Reed C, Nabinger SJ, Persily A, Indoor Air., 20, 424 (2010)

[5] Xiong J, Yao Y, Zhang Y, Environ. Sci. Technol., 45, 3584 (2011)

[6] Zhongkai He, Wenjuan Wei, Yinping Zhang, Indoor and Built Environment., 19, 465 (2010)

[7] Zhang J, Zhang J, Chen Q, Yang X, ASHRAE Transactions., 108, 162 (2002)

[8] Sparks LE, Tichenor BA, White JB, Jackson MD, Indoor Air., 1, 577 (1991)

[9] Won DY, Corsi RL, Rynes M, Environ. Sci. Technol., 34, 4193 (2000)

[10] Won D, Sander DM, Shaw CY, Corsi RL, Atmospheric Environment., 35, 4479 (2001)

[11] Little JC, Hodgson AT, ASTM STP., 1287, 294 (1996)

[12] Deng BQ, Tian R, Kim C, Heat and Mass Transfer., 43, 389 (2007)

[13] Xiong J, Liu C, Zhang Y, Atmospheric Environment., 47, 288 (2012)

[14] Xiong J, Huang S, Zhang Y, PloS one., 7, e49342 (2012)

[15] Yang X, Chen Q, Zhang JS, An Y, Zeng J, Shaw CY, Atmospheric Environment., 35, 1291 (2001)

[16] White FM, Heat and mass transfer, Addison-Wesley (1988)

[17] Huang H, Haghighat F, Building and Environment., 37, 1349 (2002)

[18] Popa J, Haghighat F, Building and Environment., 38, 959 (2003)

[19] ASTMD5116-10, Standard guide for small scale environmental chamber determinations of organic emissions from indoor materials/products, ASTM, Ed., American Society for Testing and Materials (2010)

[20] Zhang JS, Nong G, Shaw CY, Wang J, ASHRAE Transactions., 105, 279 (1999)