Foam for Environmental Remediation: Generation and Blocking Effect

Foam for Environmental Remediation: Generation and Blocking Effect Transp Porous Med https://doi.org/10.1007/s11242-018-1097-z Foam for Environmental Remediation: Generation and Blocking Effect 1 1 Clément Portois · Christian S. Boeije · 2 1 Henri J. Bertin · Olivier Atteia Received: 18 September 2017 / Accepted: 27 May 2018 © Springer Science+Business Media B.V., part of Springer Nature 2018 Abstract Foam injection is widely used in petroleum industry for enhanced oil recovery, but has received limited attention for the application of environmental remediation at the field scale. This study analyses the use of foam as a blocking agent, i.e. to confine a source zone of contaminant in groundwater. Laboratory experiments in 1D porous media with a commercially available biodegradable surfactant performed on columns using pre-generated foam show that the foam reduces the relative water permeability k by a factor of 100–1000. rw k was measured right after foam placement by injecting only water (drainage test) and rw corresponding to the relative permeability of water in presence of foam. A comparison to a theoretical two-phase flow in porous medium shows that the Van Genuchten equation can be used to estimate the k value. In the field, experiments done on two different porous rw media and using three different injection techniques (co-injection, http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Transport in Porous Media Springer Journals

Foam for Environmental Remediation: Generation and Blocking Effect

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Publisher
Springer Netherlands
Copyright
Copyright © 2018 by Springer Science+Business Media B.V., part of Springer Nature
Subject
Earth Sciences; Geotechnical Engineering & Applied Earth Sciences; Industrial Chemistry/Chemical Engineering; Hydrology/Water Resources; Civil Engineering; Hydrogeology; Classical and Continuum Physics
ISSN
0169-3913
eISSN
1573-1634
D.O.I.
10.1007/s11242-018-1097-z
Publisher site
See Article on Publisher Site

Abstract

Transp Porous Med https://doi.org/10.1007/s11242-018-1097-z Foam for Environmental Remediation: Generation and Blocking Effect 1 1 Clément Portois · Christian S. Boeije · 2 1 Henri J. Bertin · Olivier Atteia Received: 18 September 2017 / Accepted: 27 May 2018 © Springer Science+Business Media B.V., part of Springer Nature 2018 Abstract Foam injection is widely used in petroleum industry for enhanced oil recovery, but has received limited attention for the application of environmental remediation at the field scale. This study analyses the use of foam as a blocking agent, i.e. to confine a source zone of contaminant in groundwater. Laboratory experiments in 1D porous media with a commercially available biodegradable surfactant performed on columns using pre-generated foam show that the foam reduces the relative water permeability k by a factor of 100–1000. rw k was measured right after foam placement by injecting only water (drainage test) and rw corresponding to the relative permeability of water in presence of foam. A comparison to a theoretical two-phase flow in porous medium shows that the Van Genuchten equation can be used to estimate the k value. In the field, experiments done on two different porous rw media and using three different injection techniques (co-injection,

Journal

Transport in Porous MediaSpringer Journals

Published: Jun 4, 2018

References

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