Polysulfone ultrafiltration membrane incorporated with Ag-SiO2 nanohybrid for effective fouling control | Zendy

Huiqing Wu | Zendy; Jing Huang | Zendy; Yuejun Liu | Zendy

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Polysulfone ultrafiltration membrane incorporated with Ag-SiO2 nanohybrid for effective fouling control

Author(s) -

Huiqing Wu,

Jing Huang,

Yuejun Liu

Publication year - 2017

Publication title -

journal of water and health

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.482

H-Index - 59

eISSN - 1996-7829

pISSN - 1477-8920

DOI - 10.2166/wh.2017.234

Subject(s) - polysulfone , membrane , ultrafiltration (renal) , materials science , chemical engineering , fouling , membrane fouling , biofouling , chromatography , chemistry , biochemistry , engineering

An anti-fouling hybrid membrane was prepared by incorporating Ag-SiO 2 nanohybrid into a polysulfone (PSf) matrix. The addition of Ag-SiO 2 can significantly improve the hydrophilicity, separation property, anti-fouling ability, and especially anti-bacterial activity of hybrid membranes. The optimum performance of the Ag-SiO 2 /PSf hybrid membrane is achieved when the concentration of Ag-SiO 2 is as low as 0.45 wt%. Compared with PSf membrane and SiO 2 /PSf hybrid membrane, the Ag-SiO 2 /PSf hybrid membrane displays the best overall properties. The excellent performance of the Ag-SiO 2 /PSf hybrid membrane can be attributed to the well-tailored structure and unique property of Ag-SiO 2 nanohybrid, where nanosized Ag (∼5 nm) can densely and uniformly disperse on the surface of silica spheres. The obtained membrane could be a promising material for water treatment.

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