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题名: A hierarchical and gradient structured supersorbent comprising three-dimensional interconnected porous fibers for efficient oil spillage cleanup
作者: Zhao, YY; Miao, XR; Lin, JY; Li, XH; Bian, FG; Wang, J; Yue, BH
刊名: JOURNAL OF MATERIALS CHEMISTRY A
出版日期: 2016
卷号: 4, 期号:24, 页码:9635-9643
DOI: 10.1039/c6ta02979e
通讯作者: Lin, JY ; Li, XH (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China.
文章类型: 期刊论文
英文摘要: The global environmental challenge includes calls for emerging materials that can effectively clean up oil spillage fromwater. The fabrication and upgrading of sorbent materials with a high sorption capacity and excellent oil/water separation performance has become a high-profile topic today. Herein, for the first time, such a material is presented by assembling three-dimensional interconnected porous polystyrene fibers with a hydrophobic and oleophilic surface via successive electrospinning, showing superior performance in oil spillage cleanup. The key innovation point applied in this study is to produce a gradient structured system between these hierarchical fibres that can form gradient interfiber voids, resulting in a gradient capillary action force in the sorption process for oils. The as-designed super sorbent material exhibits high sorption capacity, as well as ultrafast sorption rates for various oils. The initial oil sorption amounts of the super sorbent material for pump oil, colza oil and diesel oil were approximated to 307.24 g g(-1), 224.31 g g(-1), and 84.52 g g(-1), respectively, which are superior to those of other normal fibrous sorbents. Furthermore, the as-designed material, supported on a nonwoven fabric substrate exhibits outstanding performance for removing emulsified oil from water. More importantly, this superior material could be applied in industrial production because of its low cost and simple fabrication procedure. This study presents a facile strategy for the fabrication of efficient oil sorbents, providing a novel means for the upgrading of engineered sorption materials.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000378946700035
ISSN号: 2050-7488
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26406
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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