Nanoparticle Formation in Stable Microemulsions for Enhanced Oil Recovery Application

Nourafkan, Ehsan, Gardy, Jabbar, Asachi, Maryam , Ahmed, Waqar and Wen, Dongsheng (2019) Nanoparticle Formation in Stable Microemulsions for Enhanced Oil Recovery Application. Industrial & Engineering Chemistry Research, 58 (28). pp. 12664-12677. ISSN 0888-5885

Full content URL: https://doi.org/10.1021/acs.iecr.9b00760

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Abstract

Magnetic iron oxide and titanium dioxide nanoparticles (NPs) have been synthesized inside stable oil-in-water microemulsions in harsh environment of high temperature-high salinity (HT-HS). Screening of anionic−nonionic mixture of commercial surfactants was carried out to identify the appropriate compositions for the production of stable microemulsions in harsh environment. The effects of salinity and NPs formation on interfacial tension and rheological properties of microemulsions were evaluated and compared with other studies. It was found that oil-inwater microemulsions exhibit a non-Newtonian behavior in the absence of NPs, while the surfactant solutions show Newtonian behavior. The shear-thinning characteristic of microemulsions was improved and the interfacial tension between microemulsions and oil phase was increased after generation of NPs. A set of flooding experiments were accomplished using a microfluidic device to assess the
efficiency of enhanced oil recovery on the pore scale in the absence and presence of NPs. The flooding tests confirmed the improvement of oil recovery efficiency after the formation of NPs inside the microemulsions. The oil displacement of API flooding was equal to 69.8% and the maximum oil displacement of 76.9% was observed after the injection of microemulsion containing iron oxide NPs.

Keywords:Nanoparticle, Microemulsions, Enhanced oil recovery
Subjects:H Engineering > H890 Chemical, Process and Energy Engineering not elsewhere classified
Divisions:College of Science
ID Code:36522
Deposited On:05 Sep 2019 08:52

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