期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 769, 期 -, 页码 576-587出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2018.07.305
关键词
Bismuth coated iron mesh; Superhydrophobic; Superoleophilic; Oil-water separation; Stability
资金
- National Natural Science Foundation of China [21271027]
The coral-like bismuth coated iron mesh (BCIM) was fabricated via chemical etching, immersion replacement and anneal. The resulting sample exhibited remarkable superhydrophobic/superoleophilic property with water contact angle of 163 degrees and oil contact angle almost 0 degrees. Visually, the water and hexane droplet could separately roll off and penetrate into the BCIM surface. Various oil-water (hexane, benzene, toluene, kerosene, bean oil, chloroform, tetrachloride, and water) separations were performed to investigate the separating performance. The initial separation efficiency of hexane-water reached 98.7% and it could maintain over 96% after 20 runs. The BCIM could also act as a scavenger to eliminate the floating or underwater oil. Moreover, it exhibited marvel buoyancy, desired stability and wear resistance. (C) 2018 Elsevier B.V. All rights reserved.
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