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A Cihan University-Erbil Professor Published a Research Article with Springer Berlin

  1. Mohammad Sajadifrom the Department of Nutrition  at Cihan University-Erbil published a research article entitled “Greenly Synthesized Magnetite@SiO2@Xanthan Nanocomposites and Its Application in Enhanced Oil Recovery: IFT Reduction and Wettability Alteration” in the Arabian Journal for Science and Engineering. 

About the author:

Name: S. Mohammad Sajadi
Qualification: Ph.D.
Academic rank: Professor
Affiliation: Department of Nutrition, Cihan University-Erbil
TAP: http://sci.soran.edu.iq/people/academic-staff/department-of-petroleum-geo-sciences/seyed-mohammad-sajadi
Google Scholar account: http://sci.soran.edu.iq/people/academic-staff/department-of-petroleum-geo-sciences/seyed-mohammad-sajadi


 Journal Coverage:

Title:  Arabian Journal for Science and Engineering
Science Citation Index
Science Citation Index Expanded
Clarivate Analytics (Wos: IF = 1.518)
SCOPUS: Q2
Publisher: Springer Berlin
Country: Germany 

About the Paper:

Title: Greenly Synthesized Magnetite@SiO2@Xanthan Nanocomposites and Its Application in Enhanced Oil Recovery: IFT Reduction and Wettability Alteration

DOI: https://doi.org/10.1007/s13369-020-04405-w.

Abstract:
Nanomaterials were used in enhanced oil recovery methods to improve the surface activity at the solid/oil/liquid contact line and remove oil through disjoining pressure gradient mechanism. The main objective of study is to prepare a green nanocomposites (NCs) and identify its effect on the interfacial tension (IFT) reduction and wettability alteration. A simple, economical and green technique was applied to synthesize Fe3O4@SiO2@xanthan NCs from the Alocasia macrorrhiza plant extract. The prepared NCs were identified employing X-ray diffraction, Fourier-transform infrared spectroscopy, and scanning electron microscopy. The fabricated NCs at different concentrations (250 to 1500 ppm) were dispersed in distilled water to prepare the nanofluid solutions which were characterized by analyzing their viscosity, pH and conductivity properties. Additionally, the effect of the prepared nanofluids on the IFT reduction and wettability alteration of the crude-oil/aqueous-phase/rock system was examined. Obtained experimental results demonstrated a significant decrease in the values of IFT and contact angle under the effect of the synthesized NCs, which were reduced from 28.3 mN/m and 134° to 4.35 mN/m and 28°, respectively. Thus, the wettability of the used carbonate rock was greatly altered from a strong oil-wet to a strong water-wet system.

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