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Cited by 697

The DOI matches its Crossref record; 118 of the 118 references it cites were found in a registry or an index.

Separation Mechanism and Construction of Surfaces with Special Wettability for Oil/Water Separation

Chen, Chaolang, Weng, Ding, Mahmood, Awais, Chen, Shuai, Wang, Jiadao·2019·ACS Applied Materials & Interfaces
DOI 10.1021/acsami.9b01293
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Abstract

Oil leakage and the discharge of oil/water mixtures by domestic and industrial consumers have caused not only severe environmental pollution and a threat to all species in the ecosystem but also a huge waste of precious resources. Therefore, the separation of oil/water mixtures, especially stable emulsion, has become an urgent global issue. Recently, materials containing a special wettability feature for oil and water have drawn immense attention because of their potential applications for oil/water separation application. In this paper, we systematically summarize the fundamental theories, separation mechanism, design strategies, and recent developments in materials with special wettability for separating stratified and emulsified oil/water mixtures. The related wetting theories that unveil the physical underlying mechanism of the oil/water separation mechanism are proposed, and the practical design criteria for oil/water separation materials are provided. Guided by the fundamental design criteria, various porous materials with special wettability characteristics, including those which are superhydrophilic/underwater superoleophobic, superhydrophobic/superoleophilic, and superhydrophilic/in-air superoleophobic, are systemically analyzed. These superwetting materials are widely employed to separate oil/water mixtures: from stratified oil/water to emulsified ones. In addition, the materials that implement the demulsification of emulsified oil/water mixtures via the ingenious design of the multiscale surface morphology and construction of special wettability are also discussed. In each section, we introduce the design ideas, base materials, preparation methods, and representative works in detail. Finally, the conclusions and challenges for the oil/water separation research field are discussed in depth.

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Metadata

Authors
Chen, C., Weng, D., Mahmood, A., Chen, S., & Wang, J.
Venue
ACS Applied Materials & Interfaces
Publisher
American Chemical Society (ACS)
Published
2019-02-27
Volume
11
Issue
11
Pages
11006-11027
ISSN
  • 1944-8244 (ISSN-L)
  • 1944-8252
DOI
10.1021/acsami.9b01293
OpenAlex
W2918081680
Cited by
697
References
118
FWCI
23.81
Type
journal article
Language
en
Open access
closed

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