The DOI matches its Crossref record; 17 of the 17 references it cites were found in a registry or an index.
Modeling Colloid Attachment, Straining, and Exclusion in Saturated Porous Media
Abstract
A conceptual model for colloid transport is developed that accounts for colloid attachment straining, and exclusion. Colloid attachment and detachment is modeled using first-order rate expressions, whereas straining is described using an irreversible first-order straining term that is depth dependent. Exclusion is modeled by adjusting transport parameters for colloid-accessible pore space. Fitting attachment and detachment model parameters to colloid transport data provided a reasonable description of effluent concentration curves, but the spatial distribution of retained colloids at the column inlet was severely underestimated for systems that exhibited significant colloid mass removal. A more physically realistic description of the colloid transport data was obtained by simulating both colloid attachment and straining. Fitted straining coefficients were found to systematically increase with increasing colloid size and decreasing median grain size. A correlation was developed to predict the straining coefficient from colloid and porous medium information. Numerical experiments indicated that increasing the colloid excluded volume of the pore space resulted in earlier breakthrough and higher peak effluent concentrations as a result of higher pore water velocities and lower residence times, respectively. Velocity enhancement due to colloid exclusion was predicted to increase with increasing exclusion volume and increasing soil gradation.
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Cites
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Cited by
Bacterial Adhesion and Transport in Porous Media: Role of the Secondary Energy Minimum
Redman, J. A., Walker, S. L., & Elimelech, M. (2004) · Environmental Science & Technology · doi:10.1021/es034887l · Cited by 532
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Mechanisms and pathways of trace element mobility in soils
Carrillo‐González, R., Šimůnek, J., Sauvé, S., & Adriano, D. (2006) · Advances in Agronomy · doi:10.1016/s0065-2113(06)91003-7 · Cited by 236
Gao, J., Pan, S., Li, P., Wang, L., Hou, R., Wu, W.-M., Luo, J., & Hou, D. (2021) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2021.126413 · Cited by 193
Phytolith transport in soil: A field study using fluorescent labelling
Fishkis, O., Ingwersen, J., Lamers, M., Denysenko, D., & Streck, T. (2010) · Geoderma · doi:10.1016/j.geoderma.2010.03.012 · Cited by 100
Metadata
- Authors
- Bradford, S. A., Simunek, J., Bettahar, M., van Genuchten, M. T., & Yates, S. R.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2003-04-08
- Volume
- 37
- Issue
- 10
- Pages
- 2242-2250
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2082700434
- Cited by
- 850
- References
- 17
- FWCI
- 21.36
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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