Preparation of PET track-etched membranes for membrane distillation by photo-induced graft polymerization

Korolkov, Ilya V.; Gorin, Yevgeniy G.; Yeszhanov, Arman B.; Kozlovskiy, Artem L.; Здоровец, М. В.

doi:10.1016/j.matchemphys.2017.11.006

Cited by 73 publications

(43 citation statements)

References 38 publications

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“…These radicals enhance the formation of grafted membranes by initiating the graft polymerization of the acrylic acid . This technique was adopted by Korolkov et al to synthesize triethoxyvinylsilane‐grafted polyethylene terephthalate (PET) for enhancing membrane hydrophobicity. Acrylic acid (6%) is added to initiate the grafting process and the resultant membrane showed high flux with efficient salt removal from water on a direct contact MD mode …”

Section: Membrane Modification Methodsmentioning

confidence: 99%

“…34 These radicals enhance the formation of grafted membranes by initiating the graft polymerization of the acrylic acid. 34 This technique was adopted by Korolkov et al 35 to synthesize triethoxyvinylsilane-grafted polyethylene terephthalate (PET) for enhancing membrane hydrophobicity. Acrylic acid Figure 5.…”

Section: Graft Polymerizationmentioning

confidence: 99%

“…34 (6%) is added to initiate the grafting process and the resultant membrane showed high flux with efficient salt removal from water on a direct contact MD mode. 35…”

Section: Graft Polymerizationmentioning

confidence: 99%

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A review of nanoparticle‐enhanced membrane distillation membranes: membrane synthesis and applications in water treatment

Nthunya

Gutierrez

Derese

et al. 2019

J of Chemical Tech & Biotech

121

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Membrane distillation (MD) is a thermally driven process that uses low‐grade energy to operate and has been extensively explored as an alternative cost‐effective and efficient water treatment process compared to conventional membrane processes. MD membranes are synthesized from hydrophobic polymers, e.g. polyvinylidene fluoride (PVDF), polytetrafluoroethylene (PTFE) or polypropylene (PP), using various methods including phase inversion and electrospinning techniques. Recent literature on MD membranes clearly shows their important role in surface water/wastewater treatment and seawater desalination. Modification of MD membranes with nanoscale materials significantly improves their performance, preventing wetting and fouling. This review presents a critical assessment of the progress on the use of nanomaterials for the modification of MD membranes. The techniques commonly used to synthesize MD membranes, the modifications that have been adopted for the incorporation of nanomaterials onto membranes, and the unique properties these nanomaterials impart on the membranes are discussed. The use of modified membranes in different MD configurations and their application in groundwater, surface water, wastewater, brackish water and seawater treatment is reviewed. Finally, cost implications, commercial viability, environmental sustainability, and future prospects of MD are also discussed to elucidate promising approaches for a future and successful implementation of MD at an industrial scale. © 2019 Society of Chemical Industry

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Section: Membrane Modification Methodsmentioning

confidence: 99%

Section: Graft Polymerizationmentioning

confidence: 99%

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A review of nanoparticle‐enhanced membrane distillation membranes: membrane synthesis and applications in water treatment

Nthunya

Gutierrez

Derese

et al. 2019

J of Chemical Tech & Biotech

121

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“…При данных условиях напыления поры в матрице оставались открытыми, что позволяло получать наноструктуры в форме нанотрубок. Особенности получения формирования металлических нанотрубок в порах полимерных шаблонов приведены в работе [11].…”

Section: методикаunclassified

Influence of Ionizing Irradiation on the Parameters of Zn Nanotubes Arrays for Design of Flexible Electronics Elements

Kadyrzhanov¹,

Здоровец²,

Козловский³

et al. 2018

Prib. metody izmer.

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The aim of the study is establishing the possibility of using Zn nanotube arrays as a basis for design compact and lightweight elements of flexible electronics, including operating under influence of ionizing irradiation.The paper presents the results of the synthesis of Zn nanotubes obtained by electrochemical deposition in the pores of polymer matrices and the study of their structural and electrophysical properties after directional modification by ionizing radiation with different doses. Using the methods of scanning electron microscopy, X-ray diffraction and energy dispersive analysis, the structure of nanotubes having a polycrystalline structure and completely consisting of zinc was studied and it was demonstrated that irradiation with Ar8+ ions with a dose from 1 × 109 to 5 × 1011 ion/cm2 and energy 1.75 MeV/nucleon has an effect on the crystal structure of nanotubes.At high doses, localized highly defect zones arise, leading to a critical change in the structure and physical properties of the nanotubes, respectively. It is shown that the consequence of the modification of the crystal structure is a change in the electrical conductivity of nanotubes: at low doses the electrical conductivity increases, but when the threshold value is reached, it sharply decreases. The change in the crystal structure and the corresponding changes in the conductive properties of Zn nanotubes due to irradiation determine the mechanism of ionizing radiation influence on nanomaterials and determine the possibility of using Zn nanotubes arrays as a basis for creating compact and lightweight elements of flexible electronics.

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“…The movement of vapor from the hot to the cold part is due to convection [13]. However, when vapor passes through the membrane, it partially transfers heat to the material, thereby reducing the temperature gradient.…”

Section: Introductionmentioning

confidence: 99%

Phenol solutions treatment by using hydrophobized track-etched membranes

Yeszhanov¹,

Dosmagambetova²

2020

Bull. of the Kar. Univ. "Chem". Ser.

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Phenols are one of the most common surface water pollution. The discharge of phenolic waters into water bodies and streams sharply degrade their general sanitary condition, since these compounds have a toxic effect, and phenols can intensively absorb oxygen dissolved in water, which negatively affects the life of organisms in water bodies. Therefore, water treatment of phenols is an important environmental problem. In this study, the hydrophobic polyethylene terephthalate track-etched membranes (PET TeMs) were tested in water treatment from phenol by direct contact membrane distillation (DCMD). Hydrophobic PET TeMs were obtained by UV-graft polymerization of styrene, triethoxyvinylsilane with the addition of vinylimidazole (VIM), as well as by coating with fluorine-containing silanes. Scanning electron microscopy (SEM), Fourier-transform infrared (FTIR) spectroscopy and liquid entry pressure (LEP) analysis were used for membrane characterization. The contact angle after modification of PET TeMs was reached more than 130°. The efficiency of water purification from phenol was evaluated by water-flux measurements and fluorimetric method. The phenols solution was used at a concentration of 0.5, 1 and 2 g/l. The largest permeate flux of hydrophobized membranes was 1.1 kg/ m2•h.

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Preparation of PET track-etched membranes for membrane distillation by photo-induced graft polymerization

Cited by 73 publications

References 38 publications

A review of nanoparticle‐enhanced membrane distillation membranes: membrane synthesis and applications in water treatment

A review of nanoparticle‐enhanced membrane distillation membranes: membrane synthesis and applications in water treatment

Influence of Ionizing Irradiation on the Parameters of Zn Nanotubes Arrays for Design of Flexible Electronics Elements

Phenol solutions treatment by using hydrophobized track-etched membranes

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