Fouling study in submerged PVDF ultrafiltration for refinery produced wastewater treatment: Effect of suspended solids concentration and aeration

bina, darma (2022) Fouling study in submerged PVDF ultrafiltration for refinery produced wastewater treatment: Effect of suspended solids concentration and aeration. Fouling study in submerged PVDF ultrafiltration for refinery produced wastewater treatment: Effect of suspended solids concentration and aeration.

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Abstract

Fouling behavior for modified polyvinylidene fluoride (PVDF) hollow fibers fouled with suspended solid matter was investigated. This study describes the effect of aeration to prevent the membrane fouling. Hollow fiber membranes were spun by a dry-jet wet phase inversion spinning process. Addition of lithium chloride (LiCl.H2O) and titanium dioxide (TiO2) nanoparticles concentration in the spinning dope improved the hydrophilicity, average pore size, porosity, surface roughness, and resulted in increasing the fouling resistance of membrane, which confirmed by water permeation. Distinctive changes were observed in membrane characteristics in terms of ionizable functional groups, membrane structural, wettability, and roughness measurement. Fouling characteristics of synthetic refinery wastewater with mixed liquor suspended solids (MLSS) of 3 g/L and 4.5 g/L were assessed by filtering the feed water using submerged PVDF membrane with varied air bubbles flow rate (1.2, 2.4, and 3.0 mL/min). Response surface methodology (RSM) was used to determine the optimal operating conditions for refinery produced wastewater treatment. Results showed that the flux and suspended solids removal were 138.397 L/m2h and 99.8%, respectively. Meanwhile, optimum operating conditions were MLSS of 3.0 g/L and air bubbble flow rate at 2.4 mL/min.

Item Type:	Article
Subjects:	H Social Sciences > H Social Sciences (General) H Social Sciences > HG Finance
Divisions:	Faculty of Law, Arts and Social Sciences > School of Social Sciences
Depositing User:	Mr Edi Surya Negara
Date Deposited:	14 Jun 2022 05:08
Last Modified:	14 Jun 2022 05:08
URI:	http://eprints.binadarma.ac.id/id/eprint/10520

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