Hansen Solubility-based Green Solvent Selection for Fabrication of Polyvinylidene Fluoride Membrane Filter
Iqbal Shalahuddin1, Suprihatin Suprihatin1, Ono Suparno1, Yusuf Wibisono2,3,*

1 Department of Agro-Industrial Engineering, IPB University, Dramaga IPB Campus PO Box 220, Bogor 16680, Indonesia
2 Department of Bioprocess Engineering, Brawijaya University, Malang, 65145, Indonesia
3 MILI Institute for Water Research, Kawasan Industri Jababeka, Cikarang Utara, Bekasi, 17530, Indonesia

Email: Y_Wibisono[at]ub.ac.id

Abstract

This study aims to select environmentally friendly solvents for the fabrication of poly(vinylidene fluoride) (PVDF) filtration membranes. The selection process was carried out by evaluating the solubility of various solvents with PVDF using the Hansen Solubility Parameters (HSP) approach, which includes dispersion (delta-d), polar (delta-p), and hydrogen bonding (delta-h) components. HSP values were obtained from literature sources and used to calculate the Relative Energy Difference (RED), serving as an indicator of affinity between each solvent and the polymer. The results showed that three green solvents-PolarClean (RED = 0.67), Cyrene (RED = 0.87), and dimethyl sulfoxide (DMSO) (RED = 0.94)-demonstrated the highest solubility with PVDF. These findings highlight the effectiveness of the HSP method as a preliminary and essential step in the selection of sustainable solvents for PVDF membrane preparation.

Keywords: Green solvents- Hansen Solubility Parameters (HSP)- Membrane fabrication- Poly(vinylidene fluoride)- Relative Energy Difference (RED)- Solvent

Topic: Smart technology for sustainable agro-industry