4.4 Article

Effect of Copper Oxide Nanoparticles on the Performance of Polyvinyl Chloride Membranes

Journal

CHEMICAL ENGINEERING & TECHNOLOGY
Volume -, Issue -, Pages -

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.202300004

Keywords

Copper oxide nanoparticles; Polymer mebranes; Polyvinyl chloride membrane; Antifouling properties; Water treatment

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Polyvinyl chloride (PVC)/copper oxide (CuO) nanocomposite membranes with different loading levels of CuO nanoparticles were fabricated using the phase inversion method. These membranes were tested for the removal of bovine serum albumin (BSA) from water in a submerged membrane system. The results showed that the hydrophilicity and porosity of the membranes were enhanced with higher loading of CuO nanoparticles. The addition of CuO nanoparticles also increased the number and size of pores on the membrane surface.
Polyvinyl chloride (PVC)/copper oxide (CuO) nanocomposite membranes were fabricated at different CuO nanoparticles loading levels using the phase inversion method. The fabricated membranes were tested through two filtration cycles in a submerged membrane system to remove bovine serum albumin (BSA) from water. Results showed that the hydrophilicity and porosity of the nanocomposite membranes were enhanced with an increase of CuO nanoparticles loading. The field emission electron microscopy images from the membrane surface demonstrated that the number and size of pores increased with addition of CuO nanoparticles. The atomic force microscopy test displayed that all nanocomposite membranes showed lower surface roughness in comparison to neat PVC membranes. The obtained results from membrane performance indicated that the irreversible fouling ratio for neat PVC membranes in the first and second cycles of filtration decreased for PVC/CuO-1.5 membranes. Compared with the neat PVC membrane, the membrane containing CuO exhibited better capabilities such as the enhanced permeation flux, higher BSA rejection rate, and better antifouling properties.

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