Fabrication of durable superhydrophobic/oleophilic cotton fabric for highly efficient oil/water separation | Zendy

M. E. Mohamed | Zendy; B.A. Abd-El-Nabey | Zendy

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Fabrication of durable superhydrophobic/oleophilic cotton fabric for highly efficient oil/water separation

Author(s) -

M. E. Mohamed,

B.A. Abd-El-Nabey

Publication year - 2020

Publication title -

water science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.406

H-Index - 137

eISSN - 1996-9732

pISSN - 0273-1223

DOI - 10.2166/wst.2020.562

Subject(s) - materials science , hexane , absorption of water , absorption capacity , silicone oil , silicone , chemical engineering , contact angle , composite material , fabrication , absorption (acoustics) , chromatography , chemistry , medicine , alternative medicine , pathology , engineering

In the present work, dopamine is self-polymerized on cotton fabric by a simple deep-coating method and followed by modification with an ethanolic solution of palmitic acid: a superhydrophobic/oleophilic cotton fabric was obtained. The as-prepared cotton fabric exhibits a superhydrophobic character with a water contact angle of 157o. The absorption capacity of as-prepared superhydrophobic/oleophilic cotton fabric in n-hexane, petroleum ether, and silicone oil was determined. The results show that silicone oil has the highest absorption capacity while n-hexane has the lowest value. The absorption capacity is nearly constant even after ten cycles, indicating the efficient recyclability of the as-prepared superhydrophobic/oleophilic cotton fabric for oil separation. The as-prepared superhydrophobic/oleophilic cotton fabric shows excellent separation efficiency, high flux rate, and excellent chemical and mechanical stability.

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