Electrospinning in membrane contactor: manufacturing Elec-PVDF/SiO2 superhydrophobic surface for efficient flue gas desulphurization applications

Xin, Qingping; Xie, Kaiqiang; Liang, Qingqing; Li, Xu; Zeng, Yinan; Zhao, Yuhang; Zhang, Lei; Wang, Shaofei; Hong, Liang; Zhang, Yuzhong

doi:10.1016/j.gce.2020.10.011

Cited by 18 publications

(3 citation statements)

References 65 publications

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“…The surface of the polyester substrate consisted of a large number of fibres interweaving and piling up with each other, contributing to the formation of some large pores between the fibres. On the other hand, the accumulation of fibres on the surface may have resulted in the partial blockage of the pores and, therefore, some small pores formed 24 .…”

Section: Resultsmentioning

confidence: 99%

Development of polyester filters with polymer nanocomposite active layer for effective dye filtration

Pasichnyk

Gaálová

Minárik

et al. 2022

Sci Rep

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Organic dyes such as methyl orange (MO) and methylene blue (MB) are widely used in different industries and have become one of the leading emerging water contaminants. The purpose of the current research is to develop new polymer nanocomposite filters for the effective elimination of the dyes, which are non-biodegradable and not efficiently removed by traditional treatment methods. New padded and covered filters were produced applying polystyrene-acrylic/ZnO nanocomposite on the polyester surface by blade coating and one-bath pad methods. Principal results determined by SEM analysis confirm that functionalised layer can create unprecedented function of filter textile material depending on the way of treatment. Due to the modification, the surface area increased from 5.9 for untreated polyester to 85.2 (padded), 44.6 (covered) m2/g. The measured pore size of produced filters is around 3.4 nm, which corresponds to the mesoporous structure. Our study reported effective filters with the rate of MB and MO removal efficiencies up to 60%. Moreover, a colourless reduced form of MB—leuco-methylene blue (LMB) could be created. The functionalised layer of the developed filters through hydrogen bonding between the –OH groups of styrene-acrylic molecules and the –N(CH3)2 groups on LMB can stabilise LMB.

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Section: Resultsmentioning

confidence: 99%

Development of polyester filters with polymer nanocomposite active layer for effective dye filtration

Pasichnyk

Gaálová

Minárik

et al. 2022

Sci Rep

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“…On the other hand, the accumulation of bres on the surface may result in partial blockage of the pores and, therefore, some small pores formed. 19 Filtration experiment…”

Section: Pore Size Distributionmentioning

confidence: 99%

Functional Finishing of Polyester Fabric With Polystyrene-acrylic/zno Nanocomposite for Effective Dyes Filtration

Pasichnyk¹,

Václavíková²,

Gaálová³

et al. 2021

Preprint

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Organic dyes such as Methyl Orange (MO) and Methylene Blue (MB) are widely used in different industries, becoming one of the leading emerging water contaminants. It is urgent to develop the most suitable materials for effective elimination of the dyes as they are non-biodegradable and are not removed efficiently by the traditional treatment methods. The present work applied polystyrene-acrylic/ZnO nanocomposite on the polyester surface by blade coating and one-bath pad methods. Features of surface chemical modifications were determined by FTIR, SEM analysis, WCA, N2 adsorption-desorption isotherms. The functionalised layer can create unprecedented function of filter textile material depending on the way of treatment. The possibility of using such fabrics as ﬁlters was explored for MO and MB in the concentration of 100 ppm. Water purification occurred by 60% from methylene blue and 40% from methylene orange flowing through the padded polyester filter and the covered polyester filter for 2 min, respectively. Moreover, it was shown that a colourless reduced form of MB – leuco-methylene blue (LMB) could be created. The functionalised layer of the developed filters through hydrogen bonding between the –OH groups of styrene-acrylic molecules and the –N(CH3)2 groups on LMB can stabilise LMB.

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“…Many techniques were used to manufacture SHCs (e.g., spray coating, electrospinning, hydrothermal, and electrodeposition). − Electrospinning is a cost-effective and versatile tool that has been broadly employed to suit numerous applications by controlling the composition of polymeric materials and tuning the deposition parameters such as the applied voltage, the distance between the substrate and needle, flow rate, temperature, viscosity, and so on. − Electrospinning comprises an electrohydrodynamic process, generating a jet that elongates and stretches, producing fibers. The rational design of hierarchical micro/nanostructures on the metal and metal alloys employing electrospinning creates a porous and rough surface that increases the air confined between the disproportions leading to the construction of water repellent coatings with high corrosion resistance.…”

Section: Introductionmentioning

confidence: 99%

Superior Corrosion and UV-Resistant Highly Porous Poly(vinylidene fluoride-co-hexafluoropropylene)/alumina Superhydrophobic Coating

Radwan

El-Hout

Ibrahim

et al. 2022

ACS Appl. Polym. Mater.

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The current research is devoted to fabricating a superhydrophobic coating on alumina surfaces via a facile one-step electrospinning technique. The wettability properties of the as-prepared coating were investigated. The polymeric coatings exhibited a water contact angle (WCA) of about 152° ± 3 and a sliding angle (SA) is 4 ± 2°. However, a WCA of 154 ± 2° and a SA of 3 ± 2° were recorded after the addition of Al2O3 nanoparticles. The wettability of the prepared coatings has also been inspected after exposure to intense UV irradiation of 0.89 W/(m2 nm) and high-temperature degree of 60 °C, for 500 h. It was found that the measured WCA and water contact hysteresis (WCAH) for the poly(vinylidene fluoride-co-hexafluoropropylene) PVDF-HFP/Al2O3 nanocomposite 150 ± 1° and 10 ± 1° compared with 122 ± 4° and 22 ± 4° of pure PVDF-HFP, respectively. The morphology of the superhydrophobic coating was explored, illustrating the construction of a beaded fiber structure. The surface roughness of the fabricated super water-repellent coatings was recorded using an atomic force microscope (AFM). The electrochemical behavior of superhydrophobic coating was evaluated by electrochemical impedance spectroscopy (EIS) in 3.5 wt % NaCl solution before and after exposure to UV radiation. The research outcomes promote a one-step fabrication technique to prepare polymeric superhydrophobic coatings with good resistance for corrosion and degradation under UV irradiation.

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Electrospinning in membrane contactor: manufacturing Elec-PVDF/SiO2 superhydrophobic surface for efficient flue gas desulphurization applications

Cited by 18 publications

References 65 publications

Development of polyester filters with polymer nanocomposite active layer for effective dye filtration

Development of polyester filters with polymer nanocomposite active layer for effective dye filtration

Functional Finishing of Polyester Fabric With Polystyrene-acrylic/zno Nanocomposite for Effective Dyes Filtration

Superior Corrosion and UV-Resistant Highly Porous Poly(vinylidene fluoride-co-hexafluoropropylene)/alumina Superhydrophobic Coating

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