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The application of magnetic NCs in adsorption and separation, as validated by BET isotherm analysis, highlights the potential breakthrough in addressing pesticide …
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The catalyst can be easily recovered by a simple magnetic separation and can be recycled six times with no significant loss of photocatalytic activity. Keywords: Magnesium ferrite Malachite green Photodegradation Biosynthesis How to cite this article Taghavi Fardood S, Moradnia F, Mostafaei M, Afshari Z, Faramarzi V, Ganjkhanlu S. Biosynthesis ...
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Malachite was found to have a magnetic susceptibility larger than chalcopyrite. The magnetic susceptibility of malachite is originated from the magnetic moments contributed by the Cu …
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Malachite green (MG) is a synthetic dye that is widely used in different industrial applications [9], [10]. ... In summary, m-RHAp-PCL microsphere is a promising recycling adsorbent material, which can be easily recovered by …
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The separation factor (R L) is less than 1, indicating that the adsorption of MG and on MHC/Mn is favorable. Moreover, the 1/n < 1 in the Freundlich model indicates that adsorption is advantageous once again. ... Effective adsorption of malachite green using magnetic barium phosphate composite from aqueous solution. Spectrochim. Acta A Mol ...
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It is important to develop specific adsorbents for malachite green and other fish drug residues. Herein, a simple strategy for synthesizing a novel magnetic covalent organic frameworks (rFe 3 O 4 @Py-COF) has been studied, and the materials were used as a magnetic absorbent for solid phase extraction (MSPE) of malachite green (MG) and its metabolite as …
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Malachite green (MG) has been widely used in aquaculture; it is easy to spread in the food chain but difficult to degrade naturally. It can cause cancer, teratogenicity and mutagenicity to mammals. ... Preparation of Fe 3 O 4 @SiO 2 @layered double hydroxide core-shell microspheres for magnetic separation of proteins. Journal of the American ...
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For example, iron ores are attracted towards the magnet, hence, non–magnetic impurities can be separated from them using magnetic separation. Here, Haematite, Magnetite, and Sidderite are iron ores and hence magnetic separation can be used to separate them. Malachite is a Copper ore and hence magnetic separation can't be used to concentrate it.
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A magnetic fluorescent probe of CdTe QDs/nano-Fe 3 O 4 @MIPs was prepared using CdTe QDs and Fe 3 O 4 nanoparticles as co-nucleus and molecularly imprinted polymers (MIPs) as specific recognition sites based on a reverse microemulsion method. With the specific enrichment and magnetic separation properties, the probe of CdTe QDs/nano-Fe 3 O 4 …
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Request PDF | On May 23, 2024, Pulin Dai and others published Magnetic property of malachite for high-gradient magnetic separation | Find, read and cite all the research you need on …
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Our surface-functionalized magnetic silica-malachite TC (Fe–M–Si TC) provides a constructive solution to the challenges faced by unmodified MNPs. ... Sivashankar R. Magnetic materials and magnetic separation of dyes from aqueous solutions: a review. Environ. Chem. Lett. 2021, 19, 1275–1294. 10.1007/s10311-020-01149-9.
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Magnetic separation of organic dyes (rhodamine B and malachite green) from water was achieved, with removal efficiency higher than 99% (Fig.7). Furthermore, the feasibility of magnetic separation by using Co/C nanocomposite in practical application was also demonstrated by the removal of organic dyes (rhodamine B and malachite green) from ...
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DOI: 10.1016/j.mineng.2024.108734 Corpus ID: 270035612; Magnetic property of malachite for high-gradient magnetic separation @article{Dai2024MagneticPO, title={Magnetic property of …
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Malachite green (MG) was used as a model to test the adsorption capacity of the magnetic sub-microspheres. Besides, factors such as initial MG concentration, initial solution pH, and contact time were systematically studied for this adsorption process. ... After adsorption and magnetic separation, 5 mL supernatant was took out and MG ...
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As shown in Fig. 3E, the field-dependent magnetization loop of magnetic MIL-100(Fe) composites was measured over the range from −80 to 80 KOe. There were no apparent hysteresis, coercivity and remanence in the saturation magnetization curve. The MCPCs gave 19.8 emu g −1 saturation magnetization value, which is suitable for magnetic separation.
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MSPA is successfully prepared by one-pot method for rhodamine B and malachite green removal from wastewater with BET of 1693 m 2 /g. The analysis results indicate that MSPA can be used as an excellent magnetic separation photocatalyst-adsorbent owe to existence of the ZnO and Fe 3 O 4. Adsorption kinetics and adsorption isotherms of rhodamine B ...
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Journal of Separation Science is a comprehensive journal for analytical chemists & scientists, covering chromatography, electrophoresis, mass spectrometry, & more. In this study, monodisperse, uniform, and spherical covalent organic frameworks (COFs) were synthesized using 1,3,5-tris (4-aminophenyl) benzene and 1,3,5-tricarboxaldehyde benzene ...
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While magnetic separators offer substantial advantages, some downsides need consideration too: 1. Limited Applications. Magnetic separation performs poorly with non-magnetic or only weakly magnetic materials like gold and graphite. Using it as the sole method won't effectively process these ores.
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This chapter summarized that the advancement of magnetic iron oxide-based nanocomposites showed potential adsorbents toward the cationic and anionic dyes removal because of their characteristics such as magnetic separation from aqueous solution, high adsorption limit, high surface area, and great recyclability.
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Which of the following ores cannot be concentrated by magnetic separation? (a) Haematite (b) Malachite ... Answer. Answer: (b) Malachite. Question 16. The significance of leaching in the extraction of aluminium is (a) it helps removing the impurities like SiO 2, Fe 2 O 3 etc. from the bauxite ore (b) it converts the ore into oxide (c) it ...
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So far, the external magnet separation method based on near-superparamagnetic Fe 3 O 4 nanoparticles has been proven to be convenient and effective (Yang ... two contaminants were selected in food or environment as the target analysts. Malachite green (MG) has been widely used in aquaculture; it is easy to spread in the food chain but difficult ...
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In this study, famciclovir was used as a new collector in the flotation separation of malachite from talc. The results of flotation tests demonstrated that famciclovir had higher selective collection ability to talc than malachite. ... Utilization of high-gradient magnetic separation-secondary grinding-leaching to improve the copper recovery ...
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The substrate preparation led to Ag–Fe 3 C–MCA with a mesoporous structure for high adsorption capacity, together with magnetic properties for easy separation capability. …
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A series of –SO 3 H functionalized magnetic covalent organic polymer (M-TpBD-SO 3 H) was synthesized in a few minutes under solvent-free and catalyst-free condition, and their adsorption properties toward organic contaminant were studied by using malachite green (MG) as model. The compositions and microstructures of M-TpBD-SO 3 H are …
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In the past, magnetic separation (MS) was used for magnetic mineral separation in the metallurgical industry [1], the de-ironization of kaolin in the paper industry [2] and pyrite removal in the ...
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Magnetic Resonance in Chemistry; Mass Spectrometry Reviews; ... Carboxyl-functionalized covalent organic frameworks for the extraction of malachite green and crystal violet in environmental water samples prior to quantification by high-performance liquid chromatography ... The study verified the potential of COFs-COOH as sorbents for the ...
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Separation of Malachite Green and Methyl Green cationic dyes from aqueous medium by adsorption on Amberlite XAD-2 and XAD-4 resins using sodium dodecylsulfate as carrier. ... Fe 3 O 4-GS can be simply recovered from water with magnetic separation at low magnetic field within one minute.
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Malachite green (MG) and Congo red (CR) are common dyes for coloring textile and plastic industries. Moreover, ... Magnetic separation is a considerable technology to effectively improve the separation performance of materials in water. Recently, magnetic adsorbents have attracted much attention in wastewater treatment because of their ...
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Visible-light-driven photocatalysis is a promising technology for the treatment of dye wastewater. In this work, a novel photocatalyst of K-doped g-C 3 N 4 loaded on magnetic attapulgite (ATP) (K ω-g-C 3 N 4 @ATP-Fe 3 O 4) with excellent visible light photocatalytic properties and stability were successfully prepared and characterized. The removal efficiency …
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Moreover, CoFe2O4 was recovered easily after the MW treatment via external magnetic separation, due to its high saturation magnetization value (i.e., 59.5 emu/g). Additionally, cost incurred for dye removal via MW irradiation was compared ($ 308 per kg of the dye pollutant removed) with several other processes, and found on economic side in ...
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