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Antifouling modification of PVDF membranes via incorporating positive-charge tuned quaternized chitosan magnetic particles by Ziming Zhu; Xuan Zhou; Rui Zhang; Yahong Li; Yuan Liu; Jianxian Zeng; Xiaoping Huang; Pengfei Liu; Jianrong Xue; Kaipeng Cheng; Hongfei Xu is a Environmental Science article available to read on EtoBox.
What is Antifouling modification of PVDF membranes via incorporating positive-charge tuned quaternized chitosan magnetic particles about?
Membrane separation technology often suffers from fouling during operation and undergoes a trade-off effect between permeability and selectivity. We report a new strategy for fabricating antifouling poly(vinylidene fluoride) (PVDF) ultrafiltration membrane by incorporating hydrophilic, positive-charge tuned quaternized chitosan magnetic particles (QCMP). Fe3O4-chitosan particles were synthesized by co-precipitation and cross-linked by glutaraldehyde, and further quaternization modification was applied to obtain a series of QCMP with different charge densities. Then, the QCMP were incorporated into the matrix of PVDF to prepare hybrid membrane via the non-solvent-induced phase separation method. The effect of incorporated QCMP on the membrane morphology and properties was determined using scanning electron microscopy, water contact angle, surface free energy, membrane pore size and porosity. The incorporation of QCMP into the PVDF membrane effectively increased the surface hydrophilicity. Results of bovine serum albumin (BSA) solution filtration showed a higher flux recovery ratio (FRR) and a lower total fouling ratio(Rt) of the QCMP/PVDF hybrid membranes than those of the PVDF pris
Who reads Antifouling modification of PVDF membranes via incorporating positive-charge tuned quaternized chitosan magnetic particles?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Ziming Zhu; Xuan Zhou; Rui Zhang; Yahong Li; Yuan Liu; Jianxian Zeng; Xiaoping Huang; Pengfei Liu; Jianrong Xue; Kaipeng Cheng; Hongfei Xu
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Environmental Science (Physical Sciences)