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Magnetic separation is a process that uses magnets to separate magnetic materials from non-magnetic ones in a mixture. This technique takes advantage of the varying magnetic …
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The synthesized nanoparticles were used to separate selenite in the presence of or selenium anions for the photocatalytic reduction to atom on the shell, followed by magnetic …
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Novel meso- and microporous tire-derived carbon framework as a support for magnetic iron oxide nanoparticle adsorbents (MNA) that selectively adsorb selenite (Se(IV)) ions from …
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Magnetic nanoparticles, a new kind of nanometer-sized material, are widely used in the fields of biotechnology and biomedicine for applications such as cell labeling and …
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Separation and Purification Technology. Volume 156, Part 3, 17 December 2015, Pages 1064-1072. ... Coupled effects of aging and weak magnetic fields on sequestration of …
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Magnetic separation, thanks to its advantages of large processing capacity, low operation cost, high efficiency and applicability, and environmental friendliness in comparison to other …
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Magnetic separation relies on the interaction between magnetic fields and magnetic particles. When a material containing magnetic particles is subjected to a magnetic field, the particles …
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What Is Selenite? Selenite is a type of crystal that is known for its translucent appearance and pearly white or clear color. It is composed of calcium sulfate dihydrate and is …
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Magnetic photocatalysts, in turn, have recently gained prominence as an interesting alternative which combines the ease of magnetic separation and the advantages of …
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At present, many selenite absorbents composed by metal compounds in the form of iron oxides and iron hydroxides have been reported due to their cost-effectiveness ...
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In this study, ternary magnetic materials (Dt@CaFe 2 O 4 @Fe 3 O 4 (Dt@CF@F)) were prepared via sintering method for selenite removal from aqueous solution, …
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Our results show that MGO composites have favorable removal capability of both selenite and selenate in water with important potential practical applications in removing …
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The measured selenite concentration was continuously decreased to 1.35 μg/mL after 180 min indicating a reduction of 81.4% after 3 h photoreaction. After reduction, the …
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In this work, we propose a simple and quick separation technique to speciate selenite by photocatalytic reduction. Since selenium has multiple oxidation states, it participates in various …
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Table of Contents Introduction to Magnetic Separation How Magnetic Separation Works 2.1 Magnetic Fields and Their Role 2.2 Types of Magnetic Separation 2.2.1 Wet …
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Rapid detection of trace Salmonella is urgently needed to ensure food safety. We present an innovative pretreatment strategy, based on a two-step enrichment culture and …
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Magnetic nano-particles (MNPs) exhibit superparamagnetism at the nanoscale, characterized with a large specific surface area and ease of separation and recovery (Chen et …
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10 Examples of Magnetic Separation Techniques 1. Dry Electromagnetic Separator. The Dry Electromagnetic Separator is an advanced magnetic separation …
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A simple and quick separation technique for selenite in natural water was developed using TiO 2@SiO2/Fe3O4 nanoparticles. For the synthesis of nanoparticles, a polymer-assisted sol-gel …
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The results show that the performance of the prepared core-shell nanospheres was better than that of commercial TiO2 nanoparticles. Moreover, the magnetic separation properties of the …
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Additionally, the selenite sequestration rates by AZVI were enhanced by 4.3–39.6 folds due to the application of a weak magnetic field (WMF). Moreover, the enhancing effect of …
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The synthesized nanoparticles were used to separate selenite (Se4+) in the presence of Se6+ or selenium anions for the photocatalytic reduction to Se0 atom on the TiO2 shell, followed by …
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Therefore magnetite selectively adsorbs selenite and selenate according to pH of solution, the separation of selenite and selenate using a magnetite-filled column was successfully obtained …
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The sorption of selenite (SeO 3 2−) and selenate (SeO 4 2−) onto Fe 3 O 4 nanomaterials produced by non microwave-assisted or microwave-assisted synthetic …
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Interestingly, the selenite adsorption mechanism was revealed to be ion exchange with perchlorate ions having a high adsorption capacity of 223 mg g −1 and fast removal …
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Meanwhile, the produced particles were black solids with magnetic properties, which can be easily harvested from treated water by magnetic separation, overcoming the …
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The synthesized nanoparticles were used to separate selenite in the presence of or selenium anions for the photocatalytic reduction to atom on the shell, followed by magnetic …
WhatsApp: +86 18221755073
Kim, J. and Lim, H. (2013) Separation of Selenite from Inorganic Selenium Ions using TiO2 Magnetic Nanoparticles. Bulletin of the Korean Chemical Society, 34, 3362-3366. ... Moreover, …
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A simple and quick separation technique for selenite in natural water was developed using @ nanoparticles. For the synthesis of nanoparticles, a polymer-assisted sol-gel method using …
WhatsApp: +86 18221755073
Novel meso- and microporous tire-derived carbon framework as a support for magnetic iron oxide nanoparticle adsorbents (MNA) that selectively adsorb selenite (Se(IV)) ions from …
WhatsApp: +86 18221755073
Novel meso- and microporous tire-derived carbon framework as a support for magnetic iron oxide nanoparticle adsorbents (MNA) that selectively adsorb selenite (Se (IV)) …
WhatsApp: +86 18221755073
Results of dry magnetic separation showed that averaged 20% and 25% of total As could be retrieved from ZVI and magnetic biochar amended soil, respectively; and the As …
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Combined with magnetic separation, the separation efficiency of the proposed process is high, and magnetic separation requires less energy consumption and does not …
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This aspect has been well studied and can be minimized by loading ferrihydrite on magnetic materials [16], such as γ-Fe 2 O 3 and Fe 3 O 4 [17], which also facilitates the …
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Selenium exists in nature generally in two forms: inorganic selenium and organic selenium. In inorganic selenium, selenite (SeO 3 2-) and selenate (SeO 4 2-) are highly …
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Optimum binding of both selenite and selenate occurred within 5 min of contact time with the nano-Jacobsite at pH 4. The introduction of Cl − and NO 3 − anions had no significant …
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Magnetic separators are used to remove metal contaminants from chemical products. This ensures that the products are safe and meet regulatory standards. Advantages …
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Separation of Selenite from Inorganic Selenium Ions using TiO 2 Magnetic Nanoparticles
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Separation of Selenite from Inorganic Selenium Ions using TiO 2 Magnetic Nanoparticles Kim, Jongmin (Department of Chemistry, NSBI, Dankook University) ; Lim, H.B. (Department of …
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