Characterization of functional electrospun polymeric nanofiber membranes

  • N. A. AliEmail author
  • E. A. Hussein
Original Paper


EVOH/biochar membranes (diameters 900–1000 nm) were fabricated through lab-made electrospinning technique. SEM, FTIR and DSC were used to characterize the nanofiber membranes. Results revealed that 1.5% biochar loading is the best loading ratio for two reasons: ease of production and the enhancement of filtration. Beyond this loading value, agglomeration hinders the growth of nanofiber matrix. Mechanical properties showed higher tensile modulus for membranes of 1.5% biochar. Efficiency of filtration was verified by using particles with variable size ranging from 30 to 2000 nm. Removal efficiency up to 94.5% of 300 nm particles was achieved. The cost-effectiveness and durability were demonstrated by the reusability, i.e., the efficiency could be sustained up to 93.79% in the first 6 cycles and reduced to 85% after 14 cycles, then reached 76.7% after 20 cycles. Such properties, combined with the economy, durable and easy to scale-up production confirmed the effective utilization of the membranes.

Graphical abstract


EVOH Electrospinning Biochar Filtration 



The authors would like to present truthful thanks to the Ministry of Higher Education (student Grant No 355254 and Applied Grants No. 213-740-05).

Compliance with ethical standards

Conflict of interest

The authors declare that there is no conflict of interest.

Research data for this article

Due to continuous nature of the study, required raw data remain confidential and would not be shared.


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Copyright information

© Islamic Azad University (IAU) 2019

Authors and Affiliations

  1. 1.Department of Engineering Physics and Mathematics, Faculty of EngineeringTanta UniversityTantaEgypt
  2. 2.Mechanical Department, Faculty of EngineeringTanta UniversityTantaEgypt
  3. 3.Center of Imaging and MicroscopyZwail City of Science and Technology6th of October City, GizaEgypt

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