Preparation of novel poly(vinyl alcohol)/SiO2 composite nanofiber membranes with mesostructure and their application for removal of Cu2+ from waste water

Shengju Wu; Fengting Li; Yinan Wu; Ran Xu; Guangtao Li

doi:10.1039/B925296G

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Preparation of novel poly(vinyl alcohol)/SiO₂ composite nanofiber membranes with mesostructure and their application for removal of Cu²⁺ from waste water†

Shengju Wu,^a Fengting Li,*^a Yinan Wu,^a Ran Xu^a and Guangtao Li^b

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* Corresponding authors

^a College of Environmental Science & Engineering, State Key Laboratory of Pollution Control and Resource Reuse Study, Tongji University, 1239, Siping Road, Shanghai, China
E-mail: fengting@tongji.edu.cn
Fax: +86-21-65985059
Tel: +86-21-65983121

^b Department of Chemistry, Tsinghua University, Beijing, China

Abstract

Novel mesoporous poly(vinyl alcohol)/SiO₂ composite nanofiber membranes functionalized with mercapto groups with diameters of 300–500 nm have been fabricated by a sol–gelelectrospinning process; they were highly effective at absorbing Cu(II) ions from waste water. These nanofiber membranes could be regenerated through acidification.

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Supplementary files

The reagents, preparation and characterization of PVA/SiO ₂ composite nanofibers, the adsorption and regeneration experiments for nanofiber membranes PDF (312K)

Article information

DOI: https://doi.org/10.1039/B925296G
Article type: Communication
Submitted: 01 Dec 2009
Accepted: 25 Jan 2010
First published: 05 Feb 2010

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Chem. Commun., 2010,46, 1694-1696

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Preparation of novel poly(vinyl alcohol)/SiO₂ composite nanofiber membranes with mesostructure and their application for removal of Cu²⁺ from waste water

S. Wu, F. Li, Y. Wu, R. Xu and G. Li, Chem. Commun., 2010, 46, 1694 DOI: 10.1039/B925296G

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