High efficient oil-water separation using surface-programmable membranes.

 

Glenn Zeng (1), Lecheng Zhang (1), Dali Huang (2), Zhengdong Cheng (1,2)


 

1. Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA.

2. Department of Material Science & Engineering, Texas A&M University, College Station, TX 77843, USA.

*Principal Author Email: glennzeng@tamu.edu (4th year PhD student)

Abstract

 

The challenge of separating emulsified oil from water has sparked enormous research interests indeveloping advanced membrane technology. One of the most crucial elements to achieve high separating efficiency lies in the design of interfacial structure of membranes. Herein, we present a surface-programmable membrane for separating oil-water emulsions. Owing to the precise control on the surface chemistry of membranes, the hybrid membrane not only separates the oil-water mixture with high efficiency (>99.2%), but also demonstrates high versatility for many advanced applications, e.g., self-healing and heavy metal removal. This research opens up new opportunities in developing multifunctional membrane-based materials.


Keywords: oil-water separation; surface chemistry; separating membranes; complex fluids.

 

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