RESEARCH ARTICLE


Potential Evaluation of PVDF/PAN Membranes for Separation of Oil from Industrial Waste



Jigesh Mehta1, *, Deepak S. Panwar1, Anand Metre2, Mathurkumar S. Bhakhar2
1 Department of Chemical Engineering, Mass Transfer Laboratory, School of Engineering, P P Savani University, Kosmaba - 394125, Surat, Gujarat, India
2 Department of Chemical Engineering, G H Patel College of Engineering & Technology, Vallabh Vidyanagar, Anand - 388120, Gujarat, India


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Creative Commons License
© 2021 Mehta et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the 1Department of Chemical Engineering, Mass Transfer Laboratory, School of Engineering, P P Savani University, Kosmaba - 394125, Surat, Gujarat, India; Tel: 08460436750; E-mail: jigesh.mehta@ppsu.ac.in


Abstract

Aim:

The aim of the experiment is to characterize the Modified Membrane from PVDF/PAN and its application in removing the Emulsified oil waste from the Industry.

Objective:

To get the maximum separation of the emulsified oil from the waste water, composite (PVDF/PAN) membrane was prepared in the laboratory.

Methods:

New PVDF/PAN blend based ultrafiltration membranes were synthesized by phase inversion method. The blend membrane was treated at room temperature with aqueous sodium hydroxide solutions.

Results:

The facile eco-friendly preparation of PVDF/PAN blended membrane has a wide potential for practical applications in emulsified wastewater remediation. The chemical functionality of the modified membranes was confirmed by IR spectra.

Conclusion:

For the separation of emulsified oily wastewater, the as-prepared composite (PVDF/PAN) membrane could effectively separate oil/ water emulsions with separation efficiency of above 99.8%. Unmodified membranes (A and B) showed 95.4-99.8% rejection. However, in the case of membranes C and D, oil rejection was higher for the modified membranes as compared to the unmodified membranes.

Keywords: Polyacrylonitrile (PAN), Polyvinylidenefluoride (PVDF), Ultrafiltration, Hydrophilicity, Emulsified oily wastewater, Adsorption.