Membrane Processing of Refined Palm Oil Wastewater Using TiO₂ Entrapped Nanoporous PVDF Membrane

Abstract:

An explosive growth of interest has been developed in creating of alternative process of crude palm oil wastewater treatment. Membrane processing offers many advantages as it can be used in almost the stage of oily wastewater treatment. Aim of this study was to investigate nanoporous membrane morphology and performance for refined palm oil wastewater treatment. The comparison of performance and morphology was carried out between neat PVDF and PVDF nanoporous membranes with nanosized TiO₂ particles of different compositions. Results of permeability and instrumental analysis illustrated that nanometer size obviously affected the PVDF membranes performance and structure. Smaller nanoparticles could improve the antifouling property of PVDF membrane more remarkably. Cross-section of membranes were observed with a field electronic scanning electron microscope (FESEM). The TiO₂/PVDF membrane with smaller nanoparticles had smaller mean pore size on its surface and more apertures inside the membrane. X-ray diffraction (XRD) experiment was also suggested that the addition of 1.0 % TiO₂ nanoparticles had stronger effect on crystallization of PVDF molecules, poresize of 34.05 nm, contact angle of 53^o and flux of 88.50 L/m²h of poresize. It can be concluded that nanoporous PVDF membrane with adding of TiO₂ has better performance for treating refined palm oil wastewater.

• Periodical: Applied Mechanics and Materials (Volumes 548-549)
• Pages: 16-20
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.548-549.16
• Online since: April 2014
• Authors: Erna Yuliwati*, Amrifan Saladin Mohruni
• Keywords: Nanoporous Membrane, Polymer, Refined Palm Oil, TiO₂, Wastewater

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