Water transport in electrokinetic remediation of unsaturated kaolinite. Experimental and numerical study

This work evaluated water transport that occurs in a partially saturated soil of low hydraulic permeability when undergoing an electrokinetic remediation process. The soil used was a compacted kaolinite. To evaluate a wide range of possible conditions, soil with three di?erent initial water contents...

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Autores: Yustres Real, Ángel, López-Vizcaíno López, Rubén, Sáez Jiménez, Cristina, Cañizares Cañizares, Pablo, Rodrigo Rodrigo, Manuel Andrés, Navarro Gamir, Vicente
Tipo de recurso: artículo
Fecha de publicación:2017
País:España
Institución:Universidad de Castilla-La Mancha
Repositorio:RUIdeRA. Repositorio Institucional de la UCLM
OAI Identifier:oai:ruidera.uclm.es:10578/15811
Acceso en línea:http://dx.doi.org/10.1016/j.seppur.2017.10.009
http://hdl.handle.net/10578/15811
Access Level:acceso abierto
Palabra clave:Electrokinetic remediation
Unsaturated soils
Multiphysics simulation
Soil flushing
Numeical model
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spelling Water transport in electrokinetic remediation of unsaturated kaolinite. Experimental and numerical studyYustres Real, ÁngelLópez-Vizcaíno López, RubénSáez Jiménez, CristinaCañizares Cañizares, PabloRodrigo Rodrigo, Manuel AndrésNavarro Gamir, VicenteElectrokinetic remediationUnsaturated soilsMultiphysics simulationSoil flushingNumeical modelThis work evaluated water transport that occurs in a partially saturated soil of low hydraulic permeability when undergoing an electrokinetic remediation process. The soil used was a compacted kaolinite. To evaluate a wide range of possible conditions, soil with three di?erent initial water contents (10, 15 and 20%) was used, obtaining a range of dry densities of 1300–1600 kg m-3. The tests were performed using a lab-scale setup with a soil capacity of 675 cm3 and applying di?erent electrical potential gradients (0.5, 1, 1.5 and 2 V cm-1). The experimental results obtained were used to validate a conceptual model implemented in COMSOL. The validated model was used to conduct a detailed interpretation of the observed water transport processes and to perform a study of the hydraulic behaviour of the soil as a function of the initial conditions of compaction, water saturation and applied electrical potential gradient.Elsevier201720172018info:eu-repo/semantics/articleapplication/pdfapplication/pdfhttp://dx.doi.org/10.1016/j.seppur.2017.10.009http://hdl.handle.net/10578/15811reponame:RUIdeRA. Repositorio Institucional de la UCLMinstname:Universidad de Castilla-La ManchaInglésinfo:eu-repo/semantics/openAccessoai:ruidera.uclm.es:10578/158112026-05-27T07:36:41Z
dc.title.none.fl_str_mv Water transport in electrokinetic remediation of unsaturated kaolinite. Experimental and numerical study
title Water transport in electrokinetic remediation of unsaturated kaolinite. Experimental and numerical study
spellingShingle Water transport in electrokinetic remediation of unsaturated kaolinite. Experimental and numerical study
Yustres Real, Ángel
Electrokinetic remediation
Unsaturated soils
Multiphysics simulation
Soil flushing
Numeical model
title_short Water transport in electrokinetic remediation of unsaturated kaolinite. Experimental and numerical study
title_full Water transport in electrokinetic remediation of unsaturated kaolinite. Experimental and numerical study
title_fullStr Water transport in electrokinetic remediation of unsaturated kaolinite. Experimental and numerical study
title_full_unstemmed Water transport in electrokinetic remediation of unsaturated kaolinite. Experimental and numerical study
title_sort Water transport in electrokinetic remediation of unsaturated kaolinite. Experimental and numerical study
dc.creator.none.fl_str_mv Yustres Real, Ángel
López-Vizcaíno López, Rubén
Sáez Jiménez, Cristina
Cañizares Cañizares, Pablo
Rodrigo Rodrigo, Manuel Andrés
Navarro Gamir, Vicente
author Yustres Real, Ángel
author_facet Yustres Real, Ángel
López-Vizcaíno López, Rubén
Sáez Jiménez, Cristina
Cañizares Cañizares, Pablo
Rodrigo Rodrigo, Manuel Andrés
Navarro Gamir, Vicente
author_role author
author2 López-Vizcaíno López, Rubén
Sáez Jiménez, Cristina
Cañizares Cañizares, Pablo
Rodrigo Rodrigo, Manuel Andrés
Navarro Gamir, Vicente
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Electrokinetic remediation
Unsaturated soils
Multiphysics simulation
Soil flushing
Numeical model
topic Electrokinetic remediation
Unsaturated soils
Multiphysics simulation
Soil flushing
Numeical model
description This work evaluated water transport that occurs in a partially saturated soil of low hydraulic permeability when undergoing an electrokinetic remediation process. The soil used was a compacted kaolinite. To evaluate a wide range of possible conditions, soil with three di?erent initial water contents (10, 15 and 20%) was used, obtaining a range of dry densities of 1300–1600 kg m-3. The tests were performed using a lab-scale setup with a soil capacity of 675 cm3 and applying di?erent electrical potential gradients (0.5, 1, 1.5 and 2 V cm-1). The experimental results obtained were used to validate a conceptual model implemented in COMSOL. The validated model was used to conduct a detailed interpretation of the observed water transport processes and to perform a study of the hydraulic behaviour of the soil as a function of the initial conditions of compaction, water saturation and applied electrical potential gradient.
publishDate 2017
dc.date.none.fl_str_mv 2017
2017
2018
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://dx.doi.org/10.1016/j.seppur.2017.10.009
http://hdl.handle.net/10578/15811
url http://dx.doi.org/10.1016/j.seppur.2017.10.009
http://hdl.handle.net/10578/15811
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:RUIdeRA. Repositorio Institucional de la UCLM
instname:Universidad de Castilla-La Mancha
instname_str Universidad de Castilla-La Mancha
reponame_str RUIdeRA. Repositorio Institucional de la UCLM
collection RUIdeRA. Repositorio Institucional de la UCLM
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,301603

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