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Oily wastewater not only pollutes the environment seriously but also is difficult to separate. Herein, by spraying the polytetrafluoroethylene aqueous dispersion onto the cotton fabric, a superhydrophobic/superoleophilic cotton fabric (coded as SSCF) was prepared. The so-prepared SSCF could separate the stratified and emulsified oil with high separation efficiency (above 95.0%). Moreover, the SSCF...
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