Oil‐Water Separation: A Gift from the Desert

Yong, Jiale; Yang, Qing; Bian, Hao; Du, Guangqing; Shan, Chao; Huo, Jinglan; Yao, Fang; Hou, Xun

doi:10.1002/admi.201500650

Cited by 137 publications

(78 citation statements)

References 36 publications

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“…Superhydrophobic surface is the earliest and the most widely studied interface in the field of superwettability because of its remarkable water repellence . Inspired by the superhydrophobicity of lotus leaf, thousands of artificial superhydrophobic surfaces have been fabricated, and those surfaces are wildly applied in self‐cleaning coatings, microdroplets manipulation, oil/water separation, anticorrosion, antifog/ice/snow, drag reduction, antifouling, cell engineering, water collection, microfluidics, lab chips, etc. After more than 20 years of development, both the basic theory and the fabrication technologies for superhydrophobic surfaces have reached a high level.…”

Section: Introductionmentioning

confidence: 99%

A Review of Femtosecond‐Laser‐Induced Underwater Superoleophobic Surfaces

Yong

Chen

Yang

et al. 2018

Adv Materials Inter

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101

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Section: Introductionmentioning

confidence: 99%

A Review of Femtosecond‐Laser‐Induced Underwater Superoleophobic Surfaces

Yong

Chen

Yang

et al. 2018

Adv Materials Inter

Self Cite

101

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“…Recently developed few metal organic frameworks (MOF) with special wettability are also found to be very promising in this regard [49][50][51]. Yong et al [52] very recently reported an underwater superoleophobic pre wetted sand material for oil-water separation. However, these traditional powered absorbents very difficult to handle, especially during the re-collection process.…”

Section: Absorption Based Separationmentioning

confidence: 99%

Advancement of Oil/Water Separating Materials: Merits and Demerits in Real-Time Applications

Chowdhury¹

2017

MOJPS

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With the increase of offshore drilling of oil, production and transportation the chances of oil spillage has enormously increased. Oil spillages have a catastrophic impact on our aquatic environment and ecosystem. In the last few years development of special wettable materials for oil-water separation has received tremendous research and industrial interest. Materials with selective wettability, that is superhydrophobic and superoleophilic, or superhydrophilic and superoleophobic, can be used to remove only one phase from the oil/water mixture. Moreover, the effect of the surface chemistry and surface architecture can further promote the superwetting behaviour and improves separation efficiency. In this review, recently developed materials for oil/water separation are summarized and discussed. These materials have been categorized based on their oil/water separating mechanisms that is filtration or absorption. Representative studies are highlighted, with emphasis on the materials wetting properties that is superhydrophobic/superoleophilic or superoleophobic/ superhydrophilic nature, innovative aspects and their applications. The materials with selective wettability can be used for the treatment of oil spills and industrial oily wastewater treatment on an industrial scale. The challenges and future research directions in this emerging and promising research field are briefly described.

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“…[13] The second type is films with superhydrophilicity/underwater superoleophobicity,s uch as hydrogel-coated metal films, [33] porousn itrocellulose membranes, [34] and Cu(OH) 2 -coated copperm esh films, [35] that can separate water from the mixture. [36][37][38][39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54] Notably,a ll these films can only separatec ertain types of oil/water mixture, either light oil/water mixtures (1 oil < 1 water )o rh eavy oil/water mixtures (1 oil > 1 water ). Briefly,i ns uperhydrophobic/superoleophilic films that can removeo il from mixtures, light oil/water mixtures (1 oil < 1 water )a re unfavorable because the water can sink down and accumulate on the film as ab arrier layer,w hich thusb locks oil permeation.…”

Section: Introductionmentioning

confidence: 99%

Janus Copper Mesh Film with Unidirectional Water Transportation Ability toward High Efficiency Oil/Water Separation

Cheng

Wang

Lai

et al. 2017

Chemistry An Asian Journal

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Inspired by the special asymmetric wettability and controllable permeation function of cell membranes, we report a Janus nanostructured copper mesh film with unidirectional water transportation ability. Water can permeate from the hydrophobic side to the hydrophilic side, but is retained in the opposite direction. Notably, based on this special unidirectional water permeation property, both heavy oil/water mixtures (ρ >ρ ) and light oil/water mixtures (ρ <ρ ) can be separated. Additionally, the film demonstrates high separation efficiency and good recyclability. This paper reports a new Janus film that achieved highly efficient oil/water separation based on smart control of the wettability of the film. It is believed to have the potential to be used in many practical applications, such as wastewater treatment and oil-spill cleanup.

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Oil‐Water Separation: A Gift from the Desert

Cited by 137 publications

References 36 publications

A Review of Femtosecond‐Laser‐Induced Underwater Superoleophobic Surfaces

A Review of Femtosecond‐Laser‐Induced Underwater Superoleophobic Surfaces

Advancement of Oil/Water Separating Materials: Merits and Demerits in Real-Time Applications

Janus Copper Mesh Film with Unidirectional Water Transportation Ability toward High Efficiency Oil/Water Separation

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