Oil/Water Separation Using Waste-Derived Functional Materials with Special Wetting Behavior

Arun K. Singh ()
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Arun K. Singh: Department of Chemistry, M. M. Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala 133207, Haryana, India

Resources, 2022, vol. 11, issue 10, 1-20

Abstract: The separation of both emulsified and immiscible oil/water mixtures using materials with special wetting behavior (hydrophobic-oleophilic or hydrophilic-oleophobic and switchable wettability) has attracted significant research attention in recent years. Among various materials with special wetting behavior, waste material-mediated surfaces have gained more interest because of their various advantages such as fluorine-free and specific surface structural properties, vast availability, flexibility in chemical/structural modification to improve the desired surface properties and eco-friendly nature. This review article describes the oil/water separation application by the waste materials-based special wettable surfaces from different resources. The special wettable surfaces preparation method, treatment effect, efficiency and oil/water separation mechanism are discussed. Moreover, unresolved issues and potential challenges associated with all waste-derived special wettable materials have been highlighted for future development.

Keywords: special wetting behavior; waste-derived materials; oil/water separation; underwater superoleophobicity; underoil superhydrophobicity (search for similar items in EconPapers)
JEL-codes: Q1 Q2 Q3 Q4 Q5 (search for similar items in EconPapers)
Date: 2022
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