Abstract
Membrane properties are highly affected by the composition of the polymer solutions that make up the membrane material and their influence in the filtration performance on the separation or purification process. This paper studies the effects of the addition of pluronic (Plu) and patchouli oil (PO) in a polyethersulfone (PES) solution on the membrane morphology, membrane hydrophilicity, and filtration performance in the pesticide removal compound in the water sample. Three types of membranes with the composition of PES, PES + Plu, and PES + Plu + patchouli oil were prepared through a polymer phase inversion technique in an aqueous solvent. The resulting membranes were then analyzed and tested for their mechanical properties, hydrophilicity, antimicrobial properties, and filtration performance (cross-flow ultrafiltration). The results show that all of the prepared membranes could reject 75% of the pesticide. The modification of the PES membrane with Plu was shown to increase the overall pore size by altering the pore morphology of the pristine PES, which eventually increased the permeation flux of the ultrafiltration process. Furthermore, patchouli oil added antimicrobial properties, potentially minimizing the biofilm formation on the membrane surface.
Highlights
The selection of constituent materials for membrane development focuses on producing membranes with strong mechanical properties, good anti-fouling ability, and high chemical resistance
The mechanism of fabricated membranes was affected by the non-solvent induced phase separation (NIPS) method based on mass transfer
Mass transfer with non-solvent reveals a substantial impact on obtaining porous asymmetric membranes [24]
Summary
The selection of constituent materials for membrane development focuses on producing membranes with strong mechanical properties, good anti-fouling ability, and high chemical resistance. To achieve these ideal properties, a polymer is often modified with other materials to produce a membrane with optimal filtration performance [1,2,3,4]. Besides acting as a structure modifying agent, the additive material can minimize the propensity of biofouling during the filtration process by increasing the membrane surface hydrophylicity. Biofouling can be a serious problem because it can block the pores and reduce the membrane filtration performance It shortens the membrane lifespan and increases the operating costs due to frequent chemical
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