One-step fabrication of superhydrophobic and superoleophilic cigarette filters for oil-water separation

作者: Can Liu , Beibei Chen , Jin Yang , Changsheng Li

DOI: 10.1080/01694243.2015.1062653

关键词:

摘要: To develop a simple and efficient way to recycle used cigarette filters, we report on one-step method for preparing superhydrophobic superoleophilic filters oil–water separation. The robust coating layer the surface of cellulose acetate fiber, along with inherent rough texture filter, could lead its that displayed superhydrophobicity superoleophilicity. Water droplets can retain in spherical shapes modified while oils were immediately absorbed by high absorption capacity. As result, free mixtures separated efficiency above 98.0% driving force gravity, water-in-oil emulsion was also promising flux about 2500 L m−2 h−1. purity oil tested 99.96%, indicating extremely separation efficiency. This fabrication would be good ...

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