Electrochemical route to prepare polyaniline-coated meshes with controllable pore size for switchable emulsion separation

Liu, Mingming; Li, Jing; Guo, Zhiguang

doi:10.1016/j.cej.2016.06.073

Cited by 75 publications

(20 citation statements)

References 41 publications

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“…朱等 [99] 通过水解正硅酸乙酯得到分层结构的SiO 2 微粒, 后经FOTS修饰得到具图 9 (a) 植物纤维构筑的高柔韧性的超疏水纸张 [92] ; (b) 通过羟基磷灰石纳米线构筑的具有疏液性的无机超疏水纸张 [95] ; (c) 通过燃烧普通纸张和无机超疏水纸张, 证明羟基磷灰石纳米线构筑的纸张具有耐火性 [96] (网络版彩图) 图 10 (a) 超疏水铜片用于原油防污 [102] ; (b) 疏原油的粉末用于原油的无损运输 [103] ; (c) 通过调控不锈钢网的孔径, 实现层状油水混合物的按需分离和乳液分离 [107] ; (d) 构筑的机械耐受性好的超润湿不锈钢网 [108] (网络版彩图) Figure 10 (a) Superhydrophobic copper for antifouling of crude oil [102]; (b) superoleophobic powder for crude oil transportation [103]; (c) oil/ water mixture and emulsion separation by manipulating pore size of stainless steel mesh [107]; (d) mechanical durability superwetting stainless steel mesh [108] (color online).…”

Section: 在疏油方面有一定限制它对于表面张力极低油unclassified

Recent developments of bioinspired materials with superwettability

2018

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Section: 在疏油方面有一定限制它对于表面张力极低油unclassified

Recent developments of bioinspired materials with superwettability

2018

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“…Although separation of oil/water mixtures had been demonstrated successfully using superhydrophobic surfaces, the separation of emulsions is not so easy, as the oil droplets are uniformly distributed and often stabilized within the water phase. Therefore, a range of methods involving superwettable materials have also been explored to realize separations of emulsions and in some cases surfactant stabilized emulsions (Li et al, 2016 ; Liu et al, 2016 , 2017b ; Chen et al, 2017 ; Wang et al, 2017a ). This review covers different types of superwetting interfaces for separation of biphasic mixtures.…”

Section: Introductionmentioning

confidence: 99%

Surface Engineering of Ceramic Nanomaterials for Separation of Oil/Water Mixtures

et al. 2020

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Oil/water mixtures are a potentially major source of environmental pollution if efficient separation technology is not employed during processing. A large volume of oil/water mixtures is produced via many manufacturing operations in food, petrochemical, mining, and metal industries and can be exposed to water sources on a regular basis. To date, several techniques are used in practice to deal with industrial oil/water mixtures and oil spills such as in situ burning of oil, bioremediation, and solidifiers, which change the physical shape of oil as a result of chemical interaction. Physical separation of oil/water mixtures is in industrial practice; however, the existing technologies to do so often require either dissipation of large amounts of energy (such as in cyclones and hydrocyclones) or large residence times or inventories of fluids (such as in decanters). Recently, materials with selective wettability have gained attention for application in separation of oil/water mixtures and surfactant stabilized emulsions. For example, a superhydrophobic material is selectively wettable toward oil while having a poor affinity for the aqueous phase; therefore, a superhydrophobic porous material can easily adsorb the oil while completely rejecting the water from an oil/water mixture, thus physically separating the two components. The ease of separation, low cost, and low-energy requirements are some of the other advantages offered by these materials over existing practices of oil/water separation. The present review aims to focus on the surface engineering aspects to achieve selectively wettability in materials and its their relationship with the separation of oil/water mixtures with particular focus on emulsions, on factors contributing to their stability, and on how wettability can be helpful in their separation. Finally, the challenges in application of superwettable materials will be highlighted, and potential solutions to improve the application of these materials will be put forward.

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“…Polyaniline (PANI) has exhibited its good merits and achieved many applications. Currently, some researchers synthesized PANI/TiO 2 nano-materials and confirmed the outstanding stability of them due to facile synthesis, low-cost, chemical stability, and charge storage capacity [22, 23]. Moreover, PANI could be able to absorb more visible light photons and inject electrons to the conduction band (CB) of TiO 2 , which would promote the photocatalytic process [23].…”

Section: Introductionmentioning

confidence: 99%

Facile Preparation and Characterization of Polyaniline and CeO2 Co-Decorated TiO2 Nanotube Array and its Highly Efficient Photoelectrocatalytic Activity

et al. 2019

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In the present work, polyaniline and CeO 2 co-decorated TiO 2 nanotube arrays (PANI/CeO 2 /TiO 2 NTAs) were facilely prepared by an electrochemical method. The as-prepared materials were characterized by scanning electron microscopy (SEM), an X-ray diffractometer (XRD), and energy-dispersive X-ray spectroscopy (EDS). The photoelectrocatalytic activity of as-prepared materials was investigated with tetrabromobisphenol A (TBBPA) as the target analyte, and the data showed that PANI/CeO 2 /TiO 2 NTAs resulted in much higher photoelectrocatalytic efficiency than that of other materials. Under optimal conditions, the degradation rate of TBBPA reached a maximum value over 96% in 120 min under simulated solar irradiation. The results indicated that CeO 2 and PANI co-modified TiO 2 NTAs could narrow the band gap, expand the response from ultraviolet (UV) to visible region, increase the amount of active free radicals, inhibit the recombination rate of electron-hole pairs, and finally enhance the degradation efficiency towards TBBPA owing to the presence of Ce 3+ /Ce 4+ and PANI. Moreover, the degradation reaction followed the first-order kinetics, and degradation rates of the repeated experiments were all over 92% for ten runs. All these results indicated that this novel catalyst earned great potential as a powerful photoelectrocatalyst for the removal of TBBPA and other pollutants.

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Electrochemical route to prepare polyaniline-coated meshes with controllable pore size for switchable emulsion separation

Cited by 75 publications

References 41 publications

Recent developments of bioinspired materials with superwettability

Recent developments of bioinspired materials with superwettability

Surface Engineering of Ceramic Nanomaterials for Separation of Oil/Water Mixtures

Facile Preparation and Characterization of Polyaniline and CeO2 Co-Decorated TiO2 Nanotube Array and its Highly Efficient Photoelectrocatalytic Activity

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