期刊
SEPARATION AND PURIFICATION TECHNOLOGY
卷 177, 期 -, 页码 257-262出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.seppur.2016.11.048
关键词
Hybrid nanofibrous film; ZIF-8; Electrospun; Heavy metal removal
资金
- Qaidam Salt Lake Chemical Joint Research Fund Project of NSFC
- Qinghai Province State People's Government [U1507103]
- Star of the Youth Science and Technology of Dalian [2015R053]
- Fundamental Research Funds for the Central Universities [DUT16TD14]
In this work, Zeoliticimidazolate framework-8 (ZIF-8)-based hybrid nanofibrous films were successfully fabricated by a simple strategy of in situ loading on a polymer substrate. In addition, the hybrid film was confirmed by scanning electron microscopy and X-ray diffraction. This hybrid-structure nanofibrous web was applied in heavy metal treatment by combining the unique properties of microporous material as active sizes for heavy metal adsorption with a high surface area of electrospun polyacrylonitrile (PAN) film as the porous substrate. This structure performed with a high permeation flux of 180 L/(m(2).h.psi), and the capacity of heavy metal removal from water increased more than three times compared with pure electrospun PAN film. Moreover, the capacity of heavy metal removal was maintained after several recycling processes, which is a significant characteristic of the hybrid electrospun, film as a filtering membrane. The hybrid electrospun film is suitable for heavy metal removal from water. (C) 2016 Elsevier B.V. All rights reserved.
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