Application of magnetic nanoparticles as demulsifiers for surfactant-enhanced oil recovery

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dc.citation.firstpage401en_US
dc.citation.issueNumber3en_US
dc.citation.journalTitleJournal of Surfactants and Detergentsen_US
dc.citation.lastpage408en_US
dc.citation.volumeNumber26en_US
dc.contributor.authorZhang, Leileien_US
dc.contributor.authorBai, Chutianen_US
dc.contributor.authorZhang, Zhuqingen_US
dc.contributor.authorWang, Xinglinen_US
dc.contributor.authorNguyen, Thao Vyen_US
dc.contributor.authorVavra, Ericen_US
dc.contributor.authorPuerto, Mauraen_US
dc.contributor.authorHirasaki, George J.en_US
dc.contributor.authorBiswal, Sibani Lisaen_US
dc.date.accessioned2023-08-01T15:34:06Zen_US
dc.date.available2023-08-01T15:34:06Zen_US
dc.date.issued2023en_US
dc.description.abstractNonionic surfactants are increasingly being applied in oil recovery processes due to their stability and low adsorption onto mineral surfaces. However, these surfactants lead to the production of emulsified oil that is extremely stable and difficult to separate by conventional methods. This research characterizes the stability of crude oil mixed with a nonionic surfactant, L24–22, in a brine solution. When subjected to gravity separation, a middle oil-rich and bottom water-rich emulsion are generated for various water–oil ratios. Thermal treatments can effectively break oil-rich emulsions, but the bottom water layer remains contaminated with micron-sized crude oil droplets. A magnetic nanoparticle treatment is shown to demulsify the crude oil emulsions, dropping the total organic carbon (TOC) in the water layer from 1470 to 30 ppm.en_US
dc.identifier.citationZhang, Leilei, Bai, Chutian, Zhang, Zhuqing, et al.. "Application of magnetic nanoparticles as demulsifiers for surfactant-enhanced oil recovery." <i>Journal of Surfactants and Detergents,</i> 26, no. 3 (2023) Wiley: 401-408. https://doi.org/10.1002/jsde.12658.en_US
dc.identifier.doihttps://doi.org/10.1002/jsde.12658en_US
dc.identifier.urihttps://hdl.handle.net/1911/115027en_US
dc.language.isoengen_US
dc.publisherWileyen_US
dc.rightsThis work is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the work beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.titleApplication of magnetic nanoparticles as demulsifiers for surfactant-enhanced oil recoveryen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpost-printen_US
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