Fabrication of asymmetric zinc oxide/carbon nanotubes coated polysulfone photocatalytic nanocomposite membrane for fouling mitigation

In this study, the nanoparticles (NPs) of ZnO and Co2+ ions doped ZnO (doped ZnO) were incorporated into a matrix of polysulfone (PSf) membranes to enhance their surface properties prepared using a simple wet phase inversion technique. The hybrid PSf membranes were fabricated with 0.5 wt. % of ZnO and doped ZnO NPs. These membranes were characterized using XRD, TGA, FESEM-EDX, and salt rejection performance. The hydrophilicity of PSf membranes was improved by adding of ZnO and doped ZnO NPs which showed a decrease in contact angle values from 82° to 62° with an increased flux with water. Among the prepared membranes, doped ZnO NPs showed the highest salt rejection for both sodium chloride (NaCl) and sodium sulfate (Na2SO4) compared to pure PSf and PSf with ZnO NPs which confirm the improvement contact angle and water permeability. Overall, the results of this study showed that embedding a small amount of Co2+ ions doped ZnO NPs with PSf has significant potential to be applied in industrial-scale membrane applications.

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Sucrose-derived carbon template-assisted synthesis of zinc oxide hollow microspheres: Investigating the effect of hollow morphology on photocatalytic activity

Hossain

Furusawa

Sato

2023

Inorganic Chemistry Communications

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Fabrication of asymmetric zinc oxide/carbon nanotubes coated polysulfone photocatalytic nanocomposite membrane for fouling mitigation

Abstract: Membrane filtration is a favorable option in water reclamation from contaminated water source, nevertheless, inevitable membrane fouling which greatly shortens membrane longevity and separation efficiency. The paper aimed to

Cited by 6 publications

References 63 publications

A Review on the Recent Development of Carbon Nanotubes (CNTs) Application for Polymeric Mixed-Matrix Membranes: Synthesis, Performance, and Future Challenges

A Review on the Recent Development of Carbon Nanotubes (CNTs) Application for Polymeric Mixed-Matrix Membranes: Synthesis, Performance, and Future Challenges

Improved properties and salt rejection of polysulfone membrane by incorporation of hydrophilic cobalt-doped ZnO nanoparticles

Sucrose-derived carbon template-assisted synthesis of zinc oxide hollow microspheres: Investigating the effect of hollow morphology on photocatalytic activity

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