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Issue 2, 2013
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Zeolite-coated mesh film for efficient oil–water separation

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Oil–water separations are helping with urgent issues due to increasing industrial oily wastewater, as well as frequent oil spill accidents. Membrane-based materials with special wettability are desired to separate oils from water. However, fabrication of energy-efficient and stable membranes that are suitable for practical oil–water separation remains challenging. Zeolite films have attracted intense research interest due to their unique pore character, excellent chemical, thermal and mechanical stability, etc. Here we first demonstrate zeolite-coated mesh films for gravity-driven oil–water separation. High separation efficiency of various oils can be achieved based on the excellent superhydrophilicity and underwater superoleophobicity of the zeolite surface. Flux and intrusion pressure are tunable by simply changing the pore size, dependent on the crystallization time of the zeolite crystals, of the zeolite meshes. More importantly, such films are corrosion-resistant in the presence of corrosive media, which gives them promise as candidates in practical applications of oil–water separation.

Graphical abstract: Zeolite-coated mesh film for efficient oil–water separation

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Article information

17 Oct 2012
22 Nov 2012
First published
23 Nov 2012

Chem. Sci., 2013,4, 591-595
Article type
Edge Article

Zeolite-coated mesh film for efficient oil–water separation

Q. Wen, J. Di, L. Jiang, J. Yu and R. Xu, Chem. Sci., 2013, 4, 591
DOI: 10.1039/C2SC21772D

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