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Volume 9
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10.3390/app9050932
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Article

Impact of Particle Size Distribution of Colloidal Particles on Contaminant Transport in Porous Media

by
Jongmuk Won
1,
Dongseop Lee
2,
Khanh Pham
2,
Hyobum Lee
2 and
Hangseok Choi
2,*
1
Department of Civil and Environmental Engineering, University of Ulsan, Daehak-ro 93, Nam-gu, Ulsan 680-749, Korea
2
School of Civil, Environmental and Architectural Engineering, Anam-dong 5-ga, Korea University, Seoul 136-713, Korea
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(5), 932; https://doi.org/10.3390/app9050932
Submission received: 25 December 2018 / Revised: 24 February 2019 / Accepted: 27 February 2019 / Published: 5 March 2019
(This article belongs to the Section Environmental Sciences)
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Abstract

The presence of retained colloidal particles causes the retardation of contaminant transport when the contaminant is favorably adsorbed to colloidal particles. Although the particle size distribution affects the retention behavior of colloidal particles, the impact of particle size distribution on contaminant transport has not been reported to date. This study investigates the impact of the particle size distribution of the colloidal particles on contaminant transport through numerical simulation by representing the particle size distribution as a lognormal distribution function. In addition, the bed efficiency and contaminant saturation of simulated breakthrough curves were calculated, and a contaminant transport model with the Langmuir isotherm for the reaction between the contaminant–sand and contaminant–colloidal particle was introduced and validated with experimental data. The simulated breakthrough curves, bed efficiency, and contaminant saturation indicated that an increase in the mean and standard deviation of the particle size distribution causes the retardation of contaminant transport.
Keywords: particle size distribution; colloidal particle; contaminant transport; median particle size; standard deviation particle size distribution; colloidal particle; contaminant transport; median particle size; standard deviation

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MDPI and ACS Style

Won, J.; Lee, D.; Pham, K.; Lee, H.; Choi, H. Impact of Particle Size Distribution of Colloidal Particles on Contaminant Transport in Porous Media. Appl. Sci. 2019, 9, 932. https://doi.org/10.3390/app9050932

AMA Style

Won J, Lee D, Pham K, Lee H, Choi H. Impact of Particle Size Distribution of Colloidal Particles on Contaminant Transport in Porous Media. Applied Sciences. 2019; 9(5):932. https://doi.org/10.3390/app9050932

Chicago/Turabian Style

Won, Jongmuk, Dongseop Lee, Khanh Pham, Hyobum Lee, and Hangseok Choi. 2019. "Impact of Particle Size Distribution of Colloidal Particles on Contaminant Transport in Porous Media" Applied Sciences 9, no. 5: 932. https://doi.org/10.3390/app9050932

APA Style

Won, J., Lee, D., Pham, K., Lee, H., & Choi, H. (2019). Impact of Particle Size Distribution of Colloidal Particles on Contaminant Transport in Porous Media. Applied Sciences, 9(5), 932. https://doi.org/10.3390/app9050932

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