Journal
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
Volume 60, Issue -, Pages 651-655Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jtice.2015.11.015
Keywords
Superhydrophobic; Sand; Oil-water separation; Recyclability
Categories
Funding
- National Science Foundation of China [51335010]
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Development of cost-effective and handy functional materials that can separate oil from water readily by a convenient method is highly desirable and still challenge. Herein, sand-based superhydrophobic surfaces were easily achieved by coating sand particles with silane, and the whole fabrication process was time-saving and facile to carry out. The superhydrophobic surfaces can be applied as an oil sorbent scaffold to absorb oil from water selectively because of their water-repelling and oil-attracting properties. In addition, the time required for oil-water separation was shortened significantly by combining the separation process with a vacuum system. Importantly, the superhydrophobic surfaces can maintain their high selectivity and separation efficiency even after several cycles of oil-water separation, thus providing great potential and advantage for practical application in oil-water separation. (C) 2015 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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