Interaction of Surface-Modified Alumina Nanoparticles and Surfactants at an Oil/Water Interface: A Neutron Reflectometry, Scattering, and Enhanced Oil Recovery Study

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dc.citation.firstpage19505en_US
dc.citation.issueNumber17en_US
dc.citation.journalTitleACS Applied Materials & Interfacesen_US
dc.citation.lastpage19514en_US
dc.citation.volumeNumber14en_US
dc.contributor.authorAl-Shatty, Wafaaen_US
dc.contributor.authorCampana, Marioen_US
dc.contributor.authorAlexander, Shirinen_US
dc.contributor.authorBarron, Andrew R.en_US
dc.date.accessioned2022-05-25T17:37:44Zen_US
dc.date.available2022-05-25T17:37:44Zen_US
dc.date.issued2022en_US
dc.description.abstractThe evaluation of the mechanism of nanoparticle (NP)/surfactant complex adsorption at the critical oil/water interface was studied. A sophisticated technique (neutron reflectometry) was used to give a unique insight on NP/oil interactions in oil recovery systems. Herein, the adsorption of two modified alumina NPs with different degrees of hydrophobicity [hydrophilic = 2-[2-(2-methoxyethoxy)ethoxy]acetic acid and hydrophobic = octanoic acid (OCT)] stabilized with two different surfactants were studied at the oil/water interface. A thin layer of deuterated (D) and hydrogenated (H) hexadecane (contrast matching silicon substrate) oil was formed on a silicon block by a spin coating freeze process. The distribution of the NPs across the oil/water interface with the CTAB surfactant is similar between the two systems. NPs coated with CTAB have more affinity toward the oil/water interface, which explains the oil recovery increase by around 5% when flooding the core with the OCT-NP/CTAB system compared to the surfactant flooding alone. These results suggest that the NP/surfactant complexes can have potential usage in EOR recovery applications.en_US
dc.identifier.citationAl-Shatty, Wafaa, Campana, Mario, Alexander, Shirin, et al.. "Interaction of Surface-Modified Alumina Nanoparticles and Surfactants at an Oil/Water Interface: A Neutron Reflectometry, Scattering, and Enhanced Oil Recovery Study." <i>ACS Applied Materials & Interfaces,</i> 14, no. 17 (2022) American Chemical Society: 19505-19514. https://doi.org/10.1021/acsami.2c02228.en_US
dc.identifier.digitalacsami-2c02228en_US
dc.identifier.doihttps://doi.org/10.1021/acsami.2c02228en_US
dc.identifier.urihttps://hdl.handle.net/1911/112417en_US
dc.language.isoengen_US
dc.publisherAmerican Chemical Societyen_US
dc.rightsThis article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0)en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.titleInteraction of Surface-Modified Alumina Nanoparticles and Surfactants at an Oil/Water Interface: A Neutron Reflectometry, Scattering, and Enhanced Oil Recovery Studyen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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