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Mass Transfer Studies in Sorbing Porous Media I. Analytical Solutions

van Genuchten, M. Th., Wierenga, P. J.·1976·Soil Science Society of America Journal

Abstract

An analytical solution is presented for the movement of chemicals through a sorbing porous medium with lateral or intra‐aggregate diffusion. The liquid phase in the porous medium is divided into mobile and immobile regions. Diffusional transfer between the two liquid regions is assumed to be proportional to the concentration difference between the mobile and immobile liquids. Sorption processes in both the dynamic and stagnant regions of the medium are assumed to be instantaneous and the adsorption isotherm is assumed to be linear. The analytical model derived here describes the extensive tailing observed during flow through an unsaturated, aggregated sorbing medium and explains the often observed early breakthrough of chemicals in the effluent.

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Crossref · 10.2136/sssaj1976.03615995004000040011x

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Metadata

Authors
van Genuchten, M. T., & Wierenga, P. J.
Venue
Soil Science Society of America Journal
Publisher
Wiley
Published
1976-07
Volume
40
Issue
4
Pages
473-480
ISSN
  • 0361-5995 (ISSN-L)
  • 1435-0661
OpenAlex
W1977745027
Cited by
1,569
References
0
FWCI
14.67
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Mass Transfer Studies in Sorbing Porous Media I. Analytical Solutions. https://app.cochat.ai/papers/10.2136/sssaj1976.03615995004000040011x
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van Genuchten, M. T., & Wierenga, P. J. (1976). Mass Transfer Studies in Sorbing Porous Media I. Analytical Solutions. Soil Science Society of America Journal. https://doi.org/10.2136/sssaj1976.03615995004000040011x

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.