High-Efficient Anionic Dyes Removal from Water by Cationic …
High efficiency removal of methyl orange (MO) and bromothymol blue (BT) dyes from contaminated water has been reported using magnetic mesoporous nanoparticles modified with cationic polymer brush (poly(2-methacryloyloxy)ethyl] trimethylammonium chloride solution) (Fe3O4-MSNs-PMETAC). Atom transfer radical …
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Role of Nanotechnology and Nanomaterials for Water …
Environmental applications of nanotechnology include water and wastewater treatment, in which different nanomaterials utilize adsorption and separation processes, as well as a variety of other ...
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Efficient removal of lead ions from water by magnetic …
In this way, a magnetoresponsive adsorbent platform can be remotely controlled by an external magnetic field, improving its carrying, separation and recovery/cycling in remediation technologies. Nevertheless, these magnetic characteristics can also be used in the magnetothermal elimination of contaminants during the treatment …
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Removal of microplastics from water by using magnetic …
Micro- and nanofragments resulting from the decomposition of disposable plastic items might be dangerous for the environment and humans. A new approach based on a "green" environmental technology of microplastic particles removal by magnetic sedimentation is suggested. In order to remove polyethylene (PE, 10–200 µm) and …
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Magnetization of TiO2 nanofibrous spheres by one-step …
In this study, a novel hydrothermal method followed by an ultrasonic-assisted electrochemical process was used to synthesize magnetic nanofibrous spheres of TiO 2 to improve their separation and recovery from the treated wastewaters. To this end, titanate nanofibrous spheres (TNS) were first synthesized by the hydrothermal method, and they …
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Sequestration and recovery of thorium ions using a
Water purification using magnetic assistance: a review. J. Hazard. Mater. (2010) A.M. Atta et al. Removal of thorium from water using modified magnetite nanoparticles capped with rosin amidoxime. ... Separation and Purification Technology, Volume 322, 2023, Article 124262. Qian Yi, …, Lanyi Sun.
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Application of spinel ferrite nanoparticles in water and …
A series of nickel and zirconium co-substituted zinc-cobalt spinel ferrites with the chemical formula Zn 0.25 Co 0.75 (NiZr) x Fe 2-2x O 4 (0.05 ≤ x ≤ 0.25, Δx = 0.05) was successfully synthesized using the sol-gel citrate route to curb the rapidly growing electromagnetic pollution caused due to 5G technologies. A comprehensive study of the …
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Biomagnetic separation and extraction process for heavy
Several purification techniques have been adopted to meet the standards. Magnetic separation is one purification technique that has been adapted from ore mining industries to anti-scale treatment of pipe lines to seeding magnetic flocculent. No reviews have come up in recent years on the water purification technique using magnetic …
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Simulation of water purification using magnetically ultra-responsive
Magnetism is the only physical property that independently affects the physical properties of contaminants and, thus, helps water purification. Water treatment using magnetic field has been developed over decades. For example, Mahmoud et al. [3] used magnetic treatment for hard water. They found that the anti-scaling efficiency of the …
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Water purification using magnetic assistance: a review.
No reviews have come up in recent years on the water purification technique using magnetic assistance. The present article brings out a series of information on this water …
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Use of magnetic filtration in waste water treatment
in magnetic separation using high-gradient magnetic separator was studied by Yavuz et al. (2006). ... Water purification using magnetic assistance: A review. J. Hazard. Mater., 2010, Vol. 180, 38-49.
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Magnetic filtration of phase separating ferrofluids: From …
Introduction. Magnetic separation is a process in which magnetically susceptible particles are extracted from a mixture using a magnetic force. It has found numerous applications in ore beneficiation industry [1], in bio-analysis for separation or detection of biological cells or molecules [2] as well as in water purification from organic …
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Simulation of water purification using magnetically ultra-responsive
The good contaminant absorption of magnetic particles, their very rapid response to magnetic field in order to collect them and capability of being recovered in any purification cycle are the reasons which stimulate researchers and water purification industries to use magnetic particles in water treatment. But challenges in post-treatment …
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Water purification using magnetic assistance: a …
No reviews have come up in recent years on the water purification technique using magnetic assistance. The present article brings out a series of …
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A rotary magnetic separator integrating nanoparticle …
The developed pilot unit achieved a complete water purification, for Cr(VI) concentrations up to 100 μg/L even for low contact times such as 15 min whereas the in …
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Magnetic filtration of phase separating ferrofluids: From …
Magnetic separation is a process in which magnetically susceptible particles are extracted from a mixture using a magnetic force. It has found numerous applications in ore beneficiation industry [1], in bio-analysis for separation or detection of biological cells or molecules [2] as well as in water purification from organic or inorganic micro ...
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The effect of surfactants-bound magnetite (Fe
Separation and Purification Technology. Volume 147, 16 June 2015, Pages 266-275. ... Water purification using magnetic assistance: a review. J. Hazard. Mater. (2010) M. Zhou et al. Effects of Fe-doping on the photocatalytic activity of mesoporous TiO 2 powders prepared by an ultrasonic method.
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Application of HTS bulk magnet system to the magnetic separation
The magnetic separation using HTS bulk magnet is substantially effective for the practical water purification. Introduction Recently, it has become well known that the melt-processed REBa 2 Cu 3 O y (RE123; Rare Earth = Y, Sm, Gd) high temperature superconductors (abbreviated as HTS) bearing RE 2 BaCuO 5 (RE211) particles act as …
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Development of a high-gradient magnetic separator for …
The use of pulsating slurry has been found to be effective in overcoming matrix blockage and improving separation selectivity in high gradient magnetic separators (HGMS). The velocity of the pulsating slurry is regulated by a sinusoidal cycle function, which causes the downward velocity to be much greater than the upward velocity due to …
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The effect of magnetic field on ion hydration and sulfate …
The effect of external magnetic field (MF) on calcium carbonate (CaCO 3) scale formation has been extensively studied over the past 30 years. The main findings are that under magnetic field (i) the crystallization process is faster [5], (ii) the bulk solution precipitation is more favorable than encrusting on the tube wall [6], [7] and (iii ...
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Water purification using magnetic assistance: a review.
Magnetic separation in water purification uses a magnetically susceptible seeding material as a substrate for pollutant removal. The chemical bond between the …
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Bioremediation and decontamination potentials of
The present status of water purification techniques relies on chemical and physical agents. Various materials used for wastewater treatment purposes in association with the above methods are chlorine and its derivatives, ultraviolet light, low-frequency ultrasonic irradiation, activated carbon, solid block, pitcher and faucet-mount filters, ion ...
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Efficient removal of pathogenic bacteria and viruses by …
A novel amine-functionalized magnetic Fe 3 O 4 –SiO 2 –NH 2 nanoparticle was prepared by layer-by-layer method and used for rapid removal of both pathogenic bacteria and viruses from water. The nanoparticles were characterized by TEM, EDS, XRD, XPS, FT-IR, BET surface analysis, magnetic property tests and zeta-potential …
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Recovery of magnetite from FeSO4·7H2O waste slag by co
AMBASHTA R D, SILLANPÄÄ M. Water purification using magnetic assistance: A review [J]. Journal of Hazardous Materials, 2010, 180(1-3): 38–49. Article Google Scholar SHEN La-zhen, QIAO Yong-sheng, GUO Yong, TAN Jun-ru. Preparation of nanometer-sized black iron oxide pigment by recycling of blast furnace flue dust [J].
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Providing safe, clean water | ScienceDaily
Water Purification and Microplastics Removal using Magnetic Polyoxometalate-Supported Ionic Liquid Phases (magPOM-SILPs). Angewandte Chemie International Edition, 2019; DOI: 10.1002/anie ...
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Magnetic sedimentation of nonmagnetic TiO2 nanoparticles in water …
The magnetization of the Fe 3 O 4-SiO 2 and Fe-C-SO 3 H nanopowders was measured at room temperature in magnetic fields up to 2.7 T using a vibrating sample magnetometer and it was 45 and 50 emu/g, respectively.. TNPs were dispersed by ultrasonic agitation in a distilled water (powder concentration of 100 mg/l) in the presence …
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Removal of microplastics from water by using …
Abstract. Micro- and nanofragments resulting from the decomposition of disposable plastic items might be dangerous for the environment and humans. A new …
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Water purification using magnetic assistance: A …
This of direct purification in magnetic separation is magnetophoresis study adds a link in demonstrating that powerline …
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Preparation of anionic polyelectrolyte modified magnetic …
Magnetic separation technology based on magnetic particles (MPs) could take the place of the filtration or centrifugation step by an external magnetic field to achieve solid-liquid separation due to the magnetic responsiveness of MPs. MPs can be separated from aqueous solutions in less than 20 s by applying an external magnetic field [14]. MPs ...
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Characteristics and applications of magnetized water as a …
Abstract. Water can be magnetized under an applied magnetic field, and some important properties of magnetized water have become useful in industries associated with its surface tension, pH, viscosity, electrical conductivity, and scale formation inhibition. The surface tension of water decreases upon the application of a magnetic field, while ...
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