Abstract
ABSTRACT In the current study, by using the phase inversion process, PVDF/CuO nanocompositmembranes with diversified concentrations of copper oxide (CuO) nanoparticles were fabricated to reduce the TDS in RO reject. Consequently, compared to pure PVDF membrane, the hydrophilicity of PVDF membrane bearing 2 wt% of chemically synthesized CuO nanoparticles is higher. This was justified through the contact angle which diminished from 110.9° to 58.2°. The improved hydrophilicity, porosity, and pore size are the vital drivers for the fabricated nanocomposite membranes to exhibit an 81% surge in pure water flux and a 75% rise in permeate flux. Fouling of PVDF/CuO nanocomposite membranes was mitigated by incorporating CuO nanoparticles, decreasing the surface roughness. The antifouling capabilities of the fabricated nanocomposite membranes are enhanced by a higher flux recovery ratio of 97.28. Additionally, the outcomes demonstrated that the nanocomposite membrane performs better in TDS removal, with 89% efficiency in RO reject. Thus, the PVDF/CuO nanocomposite membrane has great prospects in applications necessitating the filtration process.
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