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Showing 1-30 of 56 results for "147532" within Papers
Xiaohua Ma et al.
Journal of colloid and interface science, 540, 382-388 (2019-01-21)
Thin film composite (TFC) polyamide membranes set the golden standard for reverse osmosis technology, but tuning their permeability and selectivity remains a major challenge because of the inherent permeability-selectivity trade-off. Creating nano-sized voids within the polyamide rejection layer can tune
Baoleerhu Borjigin et al.
Journal of environmental sciences (China), 98, 77-84 (2020-10-25)
A novel polyamide (PA) thin film nanocomposite (TFN) membrane modified with Beta (β) zeolite was prepared by interfacial polymerization on a poly (ether sulfone) (PES) ultrafiltration membrane. Compared with the PA thin film composite (TFC) membrane, the introduction of β
Regina Holm et al.
Biomacromolecules, 20(1), 375-388 (2018-11-27)
The size control of nanomedicines for tumor diagnosis and therapy is of high importance, since it enables or disables deep and sufficient tumor penetration. Amphiphilic star-shaped block copolypept(o)ides offer substantial promise to precisely adjust the hydrophobic core and the hydrophilic
Phuoc H H Duong et al.
ACS applied materials & interfaces, 7(7), 3960-3973 (2015-02-05)
Hydroxyl functionalized polytriazole-co-polyoxadiazole (PTA-POD) copolymers have been synthesized and cast as promising highly thermally stable, chemically resistant, and antiorganic/biological fouling porous substrates for the fabrication of thin-film composite (TFC) forward osmosis (FO) membranes. The roles of PTA/POD ratios in the
Luigi Angiolini et al.
Chirality, 22(1), 99-109 (2009-04-24)
New chiral azoaromatic dendrimeric systems have been synthesized starting from 1,3,5-benzenetricarbonyl trichloride as the core molecule. The simultaneous presence of the (S)-3-hydroxy pyrrolidinyl ring as the optically active moiety and the azobenzene donor-acceptor conjugated system as the photochromic group with
Sushobhan Ghosh et al.
The Journal of organic chemistry, 71(22), 8412-8416 (2006-10-27)
The design and self-assembly of two new flexible supramolecular nanoballs are described. These assemblies incorporate two flexible tritopic amide and ester building blocks and were prepared in excellent yields (96-97%) via coordination driven self-assembly. The first resulted from the reaction
Ethan D Smith et al.
Nanomaterials (Basel, Switzerland), 9(1) (2019-01-24)
Thin-film nanocomposite membranes (TFNs) are a recent class of materials that use nanoparticles to provide improvements over traditional thin-film composite (TFC) reverse osmosis membranes by addressing various design challenges, e.g., low flux for brackish water sources, biofouling, etc. In this
Behnam Khorshidi et al.
Scientific reports, 8(1), 784-784 (2018-01-18)
The development of nano-enabled composite materials has led to a paradigm shift in the manufacture of high-performance nanocomposite membranes with enhanced permeation, thermo-mechanical, and antibacterial properties. The major challenges to the successful incorporation of nanoparticles (NPs) to polymer films are
Parashuram Kallem et al.
Chemosphere, 261, 127687-127687 (2020-08-05)
One of the major challenges facing the practical application of forward osmosis (FO) membranes is the need for high performance. Thus, the fabrication of highly permselective FO membranes is of great importance. The objective of this study was to improve
Hee-Kyung An et al.
Environmental technology, 38(21), 2700-2708 (2016-12-16)
In this study, we fabricated a nanofibrous composite (NFC) membrane as a substrate to produce forward osmosis (FO) membranes, and we also assessed the use of liquid fertilizer as a draw solution for the FO process in order to produce
Tong Zhang et al.
Chemosphere, 244, 125386-125386 (2020-02-14)
Polysulfone ultrafiltration (UF) and polypiperazine-amide nanofiltration (NF) membranes were first fabricated by phase inversion and interfacial polymerization, and then modified by the commonly used TiO2 on the membrane surface, respectively. Compared with the pristine UF and NF membranes, pure water
Zhe Yang et al.
Environmental science & technology, 52(16), 9341-9349 (2018-07-26)
Conventional thin-film composite (TFC) membranes suffer from the trade-off relationship between permeability and selectivity, known as the "upper bound". In this work, we report a high performance thin-film composite membrane prepared on a tannic acid (TA)-Fe nanoscaffold (TFCn) to overcome
Saddam A Al-Hammadi et al.
Journal of environmental management, 226, 358-364 (2018-08-22)
Poly(trimesoyl chloride-melamine) was grafted on palygorskite via in situ interfacial polymerization. The poly(trimesoyl chloride-melamine)-grafted palygorskite (PTMP) composite was characterized by Fourier transform infrared spectroscopy (FTIR), Energy Dispersive X-Ray Spectroscopy (EDX), N2-physisorption, and scanning electron microscope (SEM). The performance of PTMP
Shigeki Inukai et al.
Scientific reports, 5, 13562-13562 (2015-09-04)
Clean water obtained by desalinating sea water or by purifying wastewater, constitutes a major technological objective in the so-called water century. In this work, a high-performance reverse osmosis (RO) composite thin membrane using multi-walled carbon nanotubes (MWCNT) and aromatic polyamide
D Emadzadeh et al.
Materials science & engineering. C, Materials for biological applications, 75, 463-470 (2017-04-19)
In this study, nanoporous titanate (NT) nanoparticle synthesized by the solvothermal method was used to modify polyamide layer of thin film composite membranes with the aim of improving membrane resistances against organic and inorganic fouling. Thin film nanocomposite membranes (NMs)
Fekri Abdulraqeb Ahmed Ali et al.
Polymers, 12(2) (2020-02-28)
This work focuses on developing a novel method to optimize the fabrication conditions of polyamide (PA) thin film composite (TFC) membranes using the multi-objective genetic algorithm II (MOGA-II) method. We used different fabrication conditions for formation of polyamide layer-trimesoyl chloride
Tong Li et al.
Journal of colloid and interface science, 572, 114-121 (2020-04-03)
A major issue hindering development of thin film nanocomposite (TFN) nanofiltration (NF) membrane is the interfacial defects induced by nanomaterial aggregation in top layer. Although various nanomaterials surface modification strategies have been developed to eliminate the interfacial defects, they usually
Hyeon-Gyu Choi et al.
Chemosphere, 185, 1181-1188 (2017-08-05)
Thin-film composite mixed matrix membrane (TFC MMM) with functionalized carbon nanotube (fCNT) blended in polyethersulfone (PES) support layer was synthesized via interfacial polymerization and phase inversion. This membrane was firstly tested in lab-scale integrating seawater desalination and wastewater reclamation forward
Indrek Must et al.
Nature communications, 10(1), 344-344 (2019-01-22)
Soft robots hold promise for well-matched interactions with delicate objects, humans and unstructured environments owing to their intrinsic material compliance. Movement and stiffness modulation, which is challenging yet needed for an effective demonstration, can be devised by drawing inspiration from
Yuanyuan Tang et al.
Polymers, 12(2) (2020-01-26)
This study reported a series of thin film composite (TFC) membranes with single-walled nanotubes (SWCNTs) interlayers for the forward osmosis (FO) application. Pure SWCNTs with ultrahigh length-to-diameter ratio and without any functional group were applied to form an interconnect network
Ruizhi Pang et al.
Journal of colloid and interface science, 510, 127-132 (2017-09-25)
Thin film nanocomposite reverse osmosis (TFN RO) membranes incorporated with hydrophilic nanoparticles show a potential problem that the salt rejection can not be improved significantly. In this study, novel TFN RO membranes incorporated with hydrophobic fluorinated silica nanoparticles were fabricated
Kranthikumar Tungala et al.
Carbohydrate polymers, 95(1), 295-298 (2013-04-27)
Triprop-2-ynyl benzene-1,3,5-tricarboxylate (A) is synthesized by the reaction of 1,3,5-benzenetricarbonyl trichloride with propargyl alcohol and (A) is clicked with mono-6-deoxy-6-azido-β-cyclodextrin (N3-β-CD) in the presence of copper(I) bromide catalyst. N3-β-CD has been prepared from β-cyclodextrin (β-CD) on treatment with toluenesulfonyl chloride
Machodi Mathaba et al.
Membranes, 10(3) (2020-03-28)
Acid mine drainage is an environmental problem associated with mining operations and activities. Its treatment is essential to achieving environmental sustainability. In this study, a polyethersulphone (PES) membrane infused with chitosan is proposed as a point-of-use material for treating acid
Zhanguo Li et al.
Frontiers in chemistry, 7, 877-877 (2020-01-31)
In this work, grapheme oxide (GO) nano-sheets were synthesized and dispersed in the aqueous phase for the interfacial polymerization (IP) process to develop a new type of thin-film composite (TFC) membranes for forward osmosis (FO) applications. The effects of the
Youju Huang et al.
Chemical communications (Cambridge, England), (48)(48), 7560-7562 (2009-12-22)
The designed aromatic amide discotic molecule with sulfonic acid groups at its periphery exhibits a hexagonal supramolecular columnar liquid crystalline phase, which leads to the achievement of anisotropic ionic conductivity through macroscopically aligning the ionic channels.
Yu-Hsuan Chiao et al.
Polymers, 12(2) (2020-02-06)
Nanofiltration membranes have evolved as a promising solution to tackle the clean water scarcity and wastewater treatment processes with their low energy requirement and environment friendly operating conditions. Thin film composite nanofiltration membranes with high permeability, and excellent antifouling and
Xian Bao et al.
Water research, 153, 1-10 (2019-01-27)
Developing a forward osmosis (FO) membrane with superior ammonia selectivity and robust antifouling performance is important for treating domestic wastewater (DW) but challenging due to the similar polarities and hydraulic radii of NH4+ and water molecules. Herein, we investigated the
Chunyan Ma et al.
Membranes, 10(2) (2020-02-06)
Membrane fouling is the bottleneck limiting the wide application of membrane processes. Herein, we adopted an electroactive polyether sulfone (PES) membrane capable of mitigating fouling by various negatively charged foulants. To evaluate anti-fouling performance and the underlying mechanism of this
Sajjad Jalali et al.
Journal of environmental health science & engineering, 17(1), 377-382 (2019-07-20)
Reverse Osmosis (RO) is a rapid-developing desalination technology; however, it suffers from inefficient energy consumption. To reduce energy consumption, in this study, reverse osmosis thin-film composite membrane (TFC) module was prepared and composed of m-phenylenediamine (MPD), graphene oxide, and 1,3,5-benzenetricarbonyl
Rasel Das et al.
Polymers, 11(2) (2019-04-10)
A novel technique for the covalent attachment of a light-responsive spiropyran onto polyamide thin film composite nanofiltration (NF) membranes in a one-step reaction using low-energy electron beam technology is described. The effect of illumination of the immobilized spiropyran was studied
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