Linking self-organized heterogeneities to solute transport in mixing-induced precipitated porous media

Recent laboratory experiments in an intermediate-scale Hele-Shaw cell, designed to represent a coarse sand aquifer, demonstrate that mixing-induced calcite precipitation leads to the formation of a self-organized, heterogeneous porous medium. This morphology, characterized by elongated carbonate str...

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Autores: González Subiabre, Reinaldo Guido Moisés, Reales Núñez, Daniela Fernanda, Pérez Illanes, Rodrigo Alfonso|||0000-0002-8086-9122, Fernández García, Daniel|||0000-0002-4667-3003
Tipo de recurso: artículo
Fecha de publicación:2026
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/457102
Acceso en línea:https://hdl.handle.net/2117/457102
https://dx.doi.org/10.3390/w18040502
Access Level:acceso abierto
Palabra clave:Groundwater flow
Solute transport
Heterogeneity
Mixing-induced precipitation
MODPATH-RW
Àrees temàtiques de la UPC::Enginyeria civil::Geologia::Hidrologia subterrània
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spelling Linking self-organized heterogeneities to solute transport in mixing-induced precipitated porous mediaGonzález Subiabre, Reinaldo Guido MoisésReales Núñez, Daniela FernandaPérez Illanes, Rodrigo Alfonso|||0000-0002-8086-9122Fernández García, Daniel|||0000-0002-4667-3003Groundwater flowSolute transportHeterogeneityMixing-induced precipitationMODPATH-RWÀrees temàtiques de la UPC::Enginyeria civil::Geologia::Hidrologia subterràniaRecent laboratory experiments in an intermediate-scale Hele-Shaw cell, designed to represent a coarse sand aquifer, demonstrate that mixing-induced calcite precipitation leads to the formation of a self-organized, heterogeneous porous medium. This morphology, characterized by elongated carbonate structures and internal preferential flow channels, induces strong anomalous transport features, including early solute arrival, distinct double-peak breakthrough curves, and pronounced tailing. In this article, we investigate the link between this precipitation-induced heterogeneity and solute transport by implementing varying permeability scenarios, derived from experimental image analysis, into a transport model. Our analysis reveals that while a standard dual-permeability approach, which simply delineates the total precipitated area, captures the flow diversion responsible for the emergence of the double peak, it fails to reproduce the transition between peaks and the late-time tailing. To address this, we introduce a novel triple-permeability model that incorporates internal preferential flow channels within the high-precipitation zones. By resolving the internal structure of these zones, the triple-permeability model accurately captures the dual-peak transition and tailing behavior. These findings provide critical insights for applications such as geological carbon sequestration and enhanced oil recovery. Although determining exact internal structures in field settings is challenging, our results demonstrate that effective transport models must account for the internal heterogeneity of high-precipitation zones, rather than treating them as uniform barriers, to accurately predict the channeling effects that govern injectivity and long-term storage security.This research was funded by the Ministry of Economic Affairs and Digital Transformation of the Government of Spain (GRADIENT, PID2021-127911OB-I00), the State Agency for Research of the Generalitat de Catalunya (AGAUR-SGR-609), and the International Doctoral Scholarship Program of Chile, managed by ANID (National Research and Development Agency).Peer ReviewedMultidisciplinary Digital Publishing Institute (MDPI)20262026-02-0120262026-03-09journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/457102https://dx.doi.org/10.3390/w18040502reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/4571022026-05-27T15:37:01Z
dc.title.none.fl_str_mv Linking self-organized heterogeneities to solute transport in mixing-induced precipitated porous media
title Linking self-organized heterogeneities to solute transport in mixing-induced precipitated porous media
spellingShingle Linking self-organized heterogeneities to solute transport in mixing-induced precipitated porous media
González Subiabre, Reinaldo Guido Moisés
Groundwater flow
Solute transport
Heterogeneity
Mixing-induced precipitation
MODPATH-RW
Àrees temàtiques de la UPC::Enginyeria civil::Geologia::Hidrologia subterrània
title_short Linking self-organized heterogeneities to solute transport in mixing-induced precipitated porous media
title_full Linking self-organized heterogeneities to solute transport in mixing-induced precipitated porous media
title_fullStr Linking self-organized heterogeneities to solute transport in mixing-induced precipitated porous media
title_full_unstemmed Linking self-organized heterogeneities to solute transport in mixing-induced precipitated porous media
title_sort Linking self-organized heterogeneities to solute transport in mixing-induced precipitated porous media
dc.creator.none.fl_str_mv González Subiabre, Reinaldo Guido Moisés
Reales Núñez, Daniela Fernanda
Pérez Illanes, Rodrigo Alfonso|||0000-0002-8086-9122
Fernández García, Daniel|||0000-0002-4667-3003
author González Subiabre, Reinaldo Guido Moisés
author_facet González Subiabre, Reinaldo Guido Moisés
Reales Núñez, Daniela Fernanda
Pérez Illanes, Rodrigo Alfonso|||0000-0002-8086-9122
Fernández García, Daniel|||0000-0002-4667-3003
author_role author
author2 Reales Núñez, Daniela Fernanda
Pérez Illanes, Rodrigo Alfonso|||0000-0002-8086-9122
Fernández García, Daniel|||0000-0002-4667-3003
author2_role author
author
author
dc.subject.none.fl_str_mv Groundwater flow
Solute transport
Heterogeneity
Mixing-induced precipitation
MODPATH-RW
Àrees temàtiques de la UPC::Enginyeria civil::Geologia::Hidrologia subterrània
topic Groundwater flow
Solute transport
Heterogeneity
Mixing-induced precipitation
MODPATH-RW
Àrees temàtiques de la UPC::Enginyeria civil::Geologia::Hidrologia subterrània
description Recent laboratory experiments in an intermediate-scale Hele-Shaw cell, designed to represent a coarse sand aquifer, demonstrate that mixing-induced calcite precipitation leads to the formation of a self-organized, heterogeneous porous medium. This morphology, characterized by elongated carbonate structures and internal preferential flow channels, induces strong anomalous transport features, including early solute arrival, distinct double-peak breakthrough curves, and pronounced tailing. In this article, we investigate the link between this precipitation-induced heterogeneity and solute transport by implementing varying permeability scenarios, derived from experimental image analysis, into a transport model. Our analysis reveals that while a standard dual-permeability approach, which simply delineates the total precipitated area, captures the flow diversion responsible for the emergence of the double peak, it fails to reproduce the transition between peaks and the late-time tailing. To address this, we introduce a novel triple-permeability model that incorporates internal preferential flow channels within the high-precipitation zones. By resolving the internal structure of these zones, the triple-permeability model accurately captures the dual-peak transition and tailing behavior. These findings provide critical insights for applications such as geological carbon sequestration and enhanced oil recovery. Although determining exact internal structures in field settings is challenging, our results demonstrate that effective transport models must account for the internal heterogeneity of high-precipitation zones, rather than treating them as uniform barriers, to accurately predict the channeling effects that govern injectivity and long-term storage security.
publishDate 2026
dc.date.none.fl_str_mv 2026
2026-02-01
2026
2026-03-09
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/457102
https://dx.doi.org/10.3390/w18040502
url https://hdl.handle.net/2117/457102
https://dx.doi.org/10.3390/w18040502
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Multidisciplinary Digital Publishing Institute (MDPI)
publisher.none.fl_str_mv Multidisciplinary Digital Publishing Institute (MDPI)
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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