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Polluted soil remediation using surfactant foam injection : experiments and upscaling

Abstract : Foam injection in porous media has been investigated for a variety of applications in the oil industry and recently for soil remediation processes to remove contaminants. However, foam injection for soil remediation is still not widespread because of the complex nature of foam and aquifers. In order to investigate application in soil remediation processes, we experimentally studied the behavior of foam on a laboratory scale. The final goal of the research was to study foam flow for diverting the flow of groundwater from contaminated soil areas considering the features of foam flow in highly permeable porous media. Thus, the rheology of pre-generated foam was studied in highly permeable porous media, in capillary tubes, as well as using a rheometer. Moreover, a numerical study was conducted to examine foam flow in a bigger scale based on bulk foam rheology results. As a result, foam flow was showed to feature non-Newtonian behavior. We found that the foam flow behavior in high permeable porous media and in capillary tubes are consistent with the rheology behavior of bulk foam if bubbles are much smaller than the pore size of porous media. Hence, these findings can guide the study of pre-generated foam in very highly permeable porous media.
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Submitted on : Wednesday, December 9, 2020 - 2:47:09 PM
Last modification on : Friday, August 5, 2022 - 2:54:01 PM
Long-term archiving on: : Wednesday, March 10, 2021 - 7:19:59 PM


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  • HAL Id : tel-03048671, version 1


Sagyn Omirbekov. Polluted soil remediation using surfactant foam injection : experiments and upscaling. Material chemistry. HESAM Université, 2020. English. ⟨NNT : 2020HESAE025⟩. ⟨tel-03048671⟩



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