Mechanically-robust electrospun nanocomposite fiber membranes for oil and water separation
Nueraji M. Toktarbay Z. Ardakkyzy A. Sridhar D. Algadi H. Xu B.B. Althakafy J.T. Alanazi A.K. Abo-Dief H.M. Adilov S. Guo Z.
1 March 2023Academic Press Inc.
Environmental Research
2023#220
Mechanically-robust nanocomposite membranes have been developed via crosslinking chemistry and electrospinning technique based on the rational selection of dispersed phase materials with high Youngs modulus (i.e., graphene and multiwalled carbon nanotubes) and Cassie-Baxter design and used for oil and water separation. Proper selection of dispersed phase materials can enhance the stiffness of nanocomposite fiber membranes while their length has to be larger than their critical length. Chemical modification of the dispersed phase materials with fluorochemcials and their induced roughness were critical to achieve superhydrophobocity. Surface analytic tools including goniometer, X-ray photoelectron spectroscopy (XPS), Fourier transform infrared (FTIR) spectroscopy, Raman spectroscopy, atomic force microscopy (AFM) and scanning electron microscope (SEM) were applied to characterize the superhydrophobic nanocomposite membranes. An AFM-based nanoindentation technique was used to measure quantitativly the stiffness of the nanocomposite membranes for local region and whole composites, compared with the results by a tensile test technique. Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) techniques were used to confirm composition and formation of nanocomposite membranes. These membranes demonstrated excellent oil/water separation. This work has potential application in the field of water purification and remediation.
Electrospinning , Membrane , Oil , Polymer nanocomposites , Separation
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Edward R. Murrow High School, Brooklyn, 11230, NY, United States
Renewable Energy Systems and Material Science Laboratory, National Laboratory Astana (NLA), Nazarbayev University, Kabanbay Batyr 53, Astana, 010000, Kazakhstan
Department of Chemistry, School of Science and Humanities, Nazarbayev University, Kabanbay Batyr 53, Astana, 010000, Kazakhstan
Department of Chemical and Biological Engineering, University of Tennessee, Knoxville, TN, United States
Zentek Ltd. 24 Corporate Crt, Guelph, N1G 5G5, ON, Canada
Department of Electrical Engineering, Faculty of Engineering, Najran University, Najran, 11001, Saudi Arabia
Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne, NE1 8ST, United Kingdom
Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah, 24230, Saudi Arabia
Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
Department of Science and Technology, University College-Ranyah, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
Integrated Composites Lab (ICL), Department of Mechanical and Construction Engineering, Northumbria University, Newcastle Upon Tyne, NE1 8ST, United Kingdom
Edward R. Murrow High School
Renewable Energy Systems and Material Science Laboratory
Department of Chemistry
Department of Chemical and Biological Engineering
Zentek Ltd. 24 Corporate Crt
Department of Electrical Engineering
Mechanical and Construction Engineering
Department of Chemistry
Department of Chemistry
Department of Science and Technology
Integrated Composites Lab (ICL)
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