N-isopropyl acrylamide/sodium acrylate hydrogel as draw agent for forward osmosis to concentrate esterification wastewater

Published on May 1, 2021in Korean Journal of Chemical Engineering2.69
· DOI :10.1007/S11814-021-0779-3
Guicheng Liu21
Estimated H-index: 21
(Dongguk University)
#7Guicheng Liu (Dongguk University)H-Index: 21
Abstract Membrane wetting and fouling represent the foremost concerning issues confining membrane distillation in the treatment of industrial wastewater. This work presents a superhydrophobic poly(vinylidene fluoride) (PVDF) membrane with anti-fouling property, which was derived from the bioinspired adhesive, mineralization and fluorination process for the direct contact membrane distillation (DCMD). The synthesis of membrane was initiated by co-depositing polydopamine/polyethylenimine composite...
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Abstract Problematic fouling along with wetting of membrane represent the main barriers for large-scale application of this technology. To solve the above problems and reinforce the anti-pollution and anti-wetting features of the distilling membrane, a brand-new TiO2 nanorods and 1H,1H,2H,2H-perfluorodecylsilane-triethoxy (PDTS) modified alumina hollow ceramic membrane with superhydrophobic surface and self-cleaning property was prepared for utilization in the vacuum membrane distillation. To sy...
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The incorporation of inorganic nanoparticles into thin film composite forward osmosis (TFC FO) membranes is an effective method to alleviate internal concentration polarization (ICP) and enhance the flux performance of the FO membrane. In this paper, synthetic hydrophilic rod-like porous nano-hydroxyapatites (PNHAs) were doped into polysulfone (PSf) casting solution to form support layer by phase inversion; further interfacial polymerization was carried out to prepare a high performance TFC FO m...
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#1Mengyu Li (ECNU: East China Normal University)H-Index: 2
#2Hui Wang (SCUT: South China University of Technology)H-Index: 50
Last. Yiyun Cheng (ECNU: East China Normal University)H-Index: 58
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Smart hydrogels with multi-stimuli responsiveness have been increasingly exploited as soft matters for biomedical appli-cations in drug delivery, tissue engineering, and bioactuators. Whilst many of the effects have been well documented, the facile fabrication of multi-responsive hydrogels with specific functionality is met with profound challenges, particularly in the redundant synthesis of macromolecular building blocks and the integration of multiple dynamic linkages to construct hydrogel net...
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Last. Ali Shokuhi Rad (IAU: Islamic Azad University)H-Index: 35
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Hydrophilic and hydrophobic polyethersulfone (PES)-zinc oxide (ZnO) sublayers were prepared by loading of ZnO nanoparticles into PES matrix. Both porosity and hydrophilicity of the hydrophilic sublayer were increased upon addition of hydrophilic ZnO, while these were decreased for the hydrophobic sublayer. In addition, the results demonstrated that the hydrophilic membrane exhibited smaller structural parameter (S value or S parameter or S), which is beneficial for improving pure water permeabil...
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#1Alireza Shakeri (UT: University of Tehran)H-Index: 24
#2Mahdi Taghvay Nakhjiri (IAU: Islamic Azad University)H-Index: 6
Last. Neda Khankeshipour (UT: University of Tehran)H-Index: 3
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Abstract In this study, we functionalized multiwall carbon nanotube with polar groups including COOH and OH groups (F.MWCNT) and synthesized composite polymer hydrogel via dispersion in monomer solution and by using a simple poly (acrylic acid-co-maleic anhydride) (PAA-co-PMA) crosslinking reaction. Incorporation of the F.MWCNT phase into the PAA-co-PMA hydrogel network was verified using Fourier transformation infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) analysis. The phy...
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#2Xiulan Su (Inner Mongolia Medical University)H-Index: 2
In recent years, clinical applications have been proposed for various hydrogel products. Hydrogels can be derived from animal tissues, plant extracts and/or adipose tissue extracellular matrices; each type of hydrogel presents significantly different functional properties and may be used for many different applications, including medical therapies, environmental pollution treatments, and industrial materials. Due to complicated preparation techniques and the complexities associated with the sele...
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#1Farzana Kousar (BZU: Bahauddin Zakariya University)H-Index: 1
#2Muhammad Aslam Malana (BZU: Bahauddin Zakariya University)H-Index: 14
Last. Muhammad Saleem Khan (UoP: University of Peshawar)H-Index: 16
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Methacrylamide-acrylic acid-N-isopropylacrylamide terpolymeric hydrogels have been prepared via free radical polymerization using diammonium-peroxo-disulphate initiator system and ethylene glycol-di-methacrylate as a cross-linker. The hydrogels were characterized by Fourier transform infrared spectroscopy, field emission scanning electron microscopy, thermogravimetric analysis, and differential scanning calorimetry. Molar mass was determined by viscometric method. Rheological profiling of the hy...
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#1Jiangjiang Duan (WHU: Wuhan University)H-Index: 22
#2Lina Zhang (WHU: Wuhan University)H-Index: 106
This review summarizes recent progress of the robust and smart hydrogels prepared from natural polymers including polysaccharides, proteins, etc. These hydrogels exhibit outstanding mechanical properties due to their nanofibrous aggregated microstructures and special crosslinking networks. Furthermore, these hydrogels show some smart stimuli-responsive behaviors triggered by pH, temperature, light, electricity and magnetism. Hopefully, these hydrogels derived from natural polymers with inherent ...
41 CitationsSource
#1Niloofar Eslahi (IAU: Islamic Azad University)H-Index: 13
#2Marjan AbdorahimH-Index: 2
Last. Abdolreza SimchiH-Index: 59
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Stimuli responsive hydrogels (SRHs) are attractive bioscaffolds for tissue engineering. The structural similarity of SRHs to the extracellular matrix (ECM) of many tissues offers great advantages for a minimally invasive tissue repair. Among various potential applications of SRHs, cartilage regeneration has attracted significant attention. The repair of cartilage damage is challenging in orthopedics owing to its low repair capacity. Recent advances include development of injectable hydrogels to ...
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