Smart Enrichment and Facile Separation of Oil from Emulsions and Mixtures by Superhydrophobic/Superoleophilic Particles

Duan, Chunting; Zhu, Tiejun; Guo, Jing; Wang, Zhen; Liu, Xiaofang; Wang, Hao; Xu, Xun; Jin, Yan; Zhao, Ning; Xu, Jian

doi:10.1021/acsami.5b01901

Cited by 97 publications

(68 citation statements)

References 70 publications

(96 reference statements)

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“…Based on the principles mentioned above, novel materials were invented and fabricated as proof‐of‐concept. Oil–water separators are generally porous meshes, foams and sponges made from a wide range of materials, including metal, polymers, ceramics, fabrics, cellulose‐based derivatives, particles, and novel nanomaterials . Recently, Wang et al reported a highly compressible wood sponge with spring‐like lamellar structure (Figure b–d), which was fabricated by sequential chemical treatment, freeze drying and chemical vapor deposition of natural balsa wood.…”

Section: Applicationsmentioning

confidence: 99%

Micro‐/Nanostructured Interface for Liquid Manipulation and Its Applications

Duan

Zheng

Zhao

et al. 2019

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Understanding the relationship between liquid manipulation and micro‐/nanostructured interfaces has gained much attention due to the wide potential applications in many fields, such as chemical and biomedical assays, environmental protection, industry, and even daily life. Much work has been done to construct various materials with interfacial liquid manipulation abilities, leading to a range of interesting applications. Herein, different fabrication methods from the top‐down approach to the bottom‐up approach and subsequent surface modifications of micro‐/nanostructured interfaces are first introduced. Then, interactions between the surface and liquid, including liquid wetting, liquid transportation, and a number of corresponding models, together with the definition of hydrophilic/hydrophobic, oleophilic/olephobic, the definition and mechanism of superwetting, including superhydrophobicity, superhydrophilicity, and superoleophobicity, are presented. The micro‐/nanostructured interface, with major applications in self‐cleaning, antifogging, anti‐icing, anticorrosion, drag‐reduction, oil–water separation, water collection, droplet (micro)array, and surface‐directed liquid transport, is summarized, and the mechanisms underlying each application are discussed. Finally, the remaining challenges and future perspectives in this area are included.

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Section: Applicationsmentioning

confidence: 99%

Micro‐/Nanostructured Interface for Liquid Manipulation and Its Applications

Duan

Zheng

Zhao

et al. 2019

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“…The development of superhydrophobic membrane for oilwater emulsions separation was reported [112][113][114][115][127][128][129][130][131][132][133][134][135] as summarized in Table 6. However, there is no publication which clearly states the application of superhydrophobic membrane for waste lube oil processing.…”

Section: Superhydrophobic Membrane For Waste Lube Oils Processingmentioning

confidence: 99%

Recent advances in waste lube oils processing technologies

Widodo

Ariono

Khoiruddin

et al. 2018

Env Prog and Sustain Energy

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Waste lube oils are classified as hazardous waste due to the metal contents derived from the additives and wear. Most lube oils contain up to 20% of additives including antioxidants, anti‐wear, and de‐foaming agents which are generally used to extend the usage of lube oils and enhance engines performance. The most widely‐used additives contain metal as they exhibit efficacy in performance enhancement. However, these additives increase the hazardous level of waste lube oils and are highly toxic when released into the environment. Waste lube oils processing can minimize the toxicity and the complexity of the waste and may produce valuable products at the same time, such as, fuels, solvent, and base oils for production of new lube oils. In this paper, the common technologies for waste lube oils processing, including physical and chemical processes are reviewed. In addition, more recently developed technology such as membrane technologies and their potential application in waste lube oil processing are also discussed. © 2018 American Institute of Chemical Engineers Environ Prog, 37: 1867–1881, 2018

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“…Impressive examples such as the Torrey Canyon and the Bohai Bay spill accidents, not only induced serious environment pollution, but also threatened the ecological system. [5][6][7][8][9][10][11][12][13][14] Up to now, various superhydrophobic porous materials have been prepared via various chemical and physical strategies. 4 Porous materials, including fabrics, membranes, meshes and sponges, with superhydrophobicity have believed to be promising in oil/water separation.…”

Section: Introductionmentioning

confidence: 99%

Facile fabrication of robust superhydrophobic porous materials and their application in oil/water separation

et al. 2015

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Abstract：Utilizing superhydrophobic porous materials in oil/water separation has attracting increasing research interest, however, most of these materials are usually complicated to fabricate or easily lose their functions in harsh circumstance. In this study, dispersion of poly [(3,3,3-trifluoropropyl)methylsiloxane] (PTFPMS) micro-nano aggregations in acetone/water was facially prepared via a simple phase separation method. The aggregations can be easily coated on the skeletons of various 2D and 3D porous substrates, endowing the porous materials superhydrophobicity. The prepared superhydrophobic materials show excellent resistance to chemical erosion, mechanical abrasion, and high temperature (up to 400 ˚C). The robust superhydrophobicity promise the application of the resultant porous materials in the harsh environment, and examples of using these superhydrophobic porous materials to separate oil/water mixtures have been demonstrated. This simple and universal method is suitable for large-scale preparation of porous materials with robust superhydrophobicity.

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Smart Enrichment and Facile Separation of Oil from Emulsions and Mixtures by Superhydrophobic/Superoleophilic Particles

Cited by 97 publications

References 70 publications

Micro‐/Nanostructured Interface for Liquid Manipulation and Its Applications

Micro‐/Nanostructured Interface for Liquid Manipulation and Its Applications

Recent advances in waste lube oils processing technologies

Facile fabrication of robust superhydrophobic porous materials and their application in oil/water separation

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