Magnetic Separation Radioactive
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Magnetic Separation Radioactive

A study on a magnetic separation of radioactive corrosion ...

2004-4-1  Fig. 9 shows the separation efficiency of the magnetic filter for various particle sizes of four input materials under the condition of 0.9 gal/min and 50 rpm. The bigger the particle size, the better the separation efficiency of the magnetic filter system. Above 5 μm, the separation efficiency is more than 90%. Thus, studying the development ...

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A study on a magnetic separation of radioactive corrosion ...

Download Citation A study on a magnetic separation of radioactive corrosion products from NPP using permanent magnets It is important to emphasize that the current trend to longer fuel cycles ...

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Magnetic nanosorbents for fast separation of radioactive ...

Request PDF Magnetic nanosorbents for fast separation of radioactive waste Given the increasing nuclear energy needs, as well as the fact that the spent fuel pools are expected to reach their ...

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Application of polyethylenimine-coated magnetic ...

2020-6-8  To evaluate the efficiency of the reduction in radioactivity by magnetic-sieving separation, radioactive 137 Cs +-sorbed soil was prepared by mixing soil (100 g) with 1 L of an aqueous Cs + solution (220 Bq L −1) for 7 days at room temperature. The radioactivity of the 137 Cs +-sorbed soil was 2152 Bq kg −1. Fine particles less than 0.038 ...

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Application of polyethylenimine-coated magnetic ...

magnetic-sieving separation, radioactive 137Cs+-sorbed soil was prepared by mixing soil (100 g) with 1 L of an aqueous Cs+ solution (220 Bq L 1) for 7 days at room temperature. The radioactivity of the 137Cs+-sorbed soil was 2152 Bq kg 1. Fine particles less than 0.038 mm accounted for approximately 8.5% of the contaminated soil.

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Study on Decontamination of Radioactive Cesium From

Based on the results, we proposed a magnetic separation system of radioactive cesium by using high gradient magnetic separation with a superconducting magnet. Discover the world's research.

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Study on Volume Reduction of Contaminated Soil by ...

In this study, we examined the possibility for the soil decontamination of Cs-137, the main radioactive species with longer half-life, by means of the magnetic separation with a high-temperature ...

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4-18 Seperation - FRTR

2020-7-30  Magnetic Separation. Magnetic separation is used to extract slightly magnetic radioactive particles from host materials such as water, soil, or air. All uranium and plutonium compounds are slightly magnetic while most host materials are nonmagnetic. The process operates by passing contaminated fluid or slurry through a magnetized volume.

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Magnetic composites as an effective technology for

2015-8-18  Magnetic Na-phlogopite showed relatively low resonance owing to magnetic property (Fig. 3). As shown in Fig. 4, the separation of radioactive cesium (137 Cs) using an external magnet was rapidly achieved within 30 s in a batch experiment. The high ion exchange efficiency of Na-phlogopite in combination with the ease of the magnetic separation ...

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Enhanced surface decontamination of radioactive Cs by

2019-1-15  Separation of the magnetic adsorbent from the used hydrogel to reduce the radioactive waste volume After the surface decontamination, the used hydrogels were added to water. After shaking the mixture, the magnetic adsorbent was collected using an external magnet.

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Magnetic composites as an effective technology for

2015-8-18  Magnetic Na-phlogopite showed relatively low resonance owing to magnetic property (Fig. 3). As shown in Fig. 4, the separation of radioactive cesium (137 Cs) using an external magnet was rapidly achieved within 30 s in a batch experiment. The high ion exchange efficiency of Na-phlogopite in combination with the ease of the magnetic separation ...

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Superconducting open-gradient magnetic separation for

1997-1-1  Superconducting open-gradient magnetic separation for the pretreatment of radioactive or mixed waste vitrification feeds. 1997 annual progress report

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4-18 Seperation - FRTR

2020-7-30  Magnetic Separation. Magnetic separation is used to extract slightly magnetic radioactive particles from host materials such as water, soil, or air. All uranium and plutonium compounds are slightly magnetic while most host materials are nonmagnetic. The process operates by passing contaminated fluid or slurry through a magnetized volume.

More

Magnetic composite of Fe3O4 and activated carbon as a ...

2014-10-10  Magnetic adsorbent of Fe 3 O 4 and activated carbon (Fe 3 O 4 /AC) was prepared by chemical coprecipitation technique, and was characterized by SEM, TEM, BET, XRD, and VSM techniques in details. The adsorption results of Sr(II) on Fe 3 O 4 /AC revealed that Sr(II) adsorption on Fe 3 O 4 /AC surface was an spontaneous and endothermic process, and can be well described by

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Magnetic Separation of Pyrite - 911metallurgist

2021-2-8  Magnetic Susceptibility and Separation After Treatment in a Fluidized Bed. A Pittsburgh bed coal was pulverized to minus 300 µ in a hammer mill. A scalping magnetic separation removed slightly less than 1 percent of the coal. The coal thus purified showed no reduction in sulfur content.

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Magnetic separation of calcite and aragonite for use in ...

2017-7-18  Magnetic separation of calcite and aragonite for use in radioactive carbon analysis. Aragonite and calcite often coexist; as such, separating these very similar minerals is an important step in undertaking research on these two phases individually. One approach to discriminating between the two phases is to stain a sample using Meigen’s ...

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Present Situation of Fukushima and Possibility of ...

Besides, we demonstrate the advantages and the problems of magnetic separation in comparison with other existing technologies. In closing, we discuss the role of magnetic separation in successive scenarios including transportation of decontamination waste, ultimate disposal of radionuclides, and reuse of low‐level radioactive waste. 2.

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Study on Decontamination of Radioactive Cesium From

2013-4-2  The decontamination of radioactive substances in the soils and the wreckage, and the volume reduction of contaminated waste are urgent issues. In this study, we examined the possibility for the soil decontamination of Cs-137, the main radioactive species with longer half-life, by means of the magnetic separation with a high-temperature ...

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Conjugates of magnetic nanoparticle-actinide specific ...

A novel nanotechnology for the separation of radioactive waste that uses magnetic nanoparticles (MNPs) conjugated with actinide specific chelators (MNP-Che) is reviewed with a focus on design and process development. The MNP-Che separation process is an effective way of separating heat generating mi

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Radioisotopes: What Are They and How Are They Made?

2008-3-19  But, because it is radioactive, its presence can be detected. Iodine 131 thus became one of the earliest radioactive tracers. How can different isotopes of an element be produced? How can isotopes be produced--especially radioisotopes, which can serve many useful purposes? There are two basic methods: separation and synthesis.

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4-18 Seperation - FRTR

2020-7-30  Magnetic Separation. Magnetic separation is used to extract slightly magnetic radioactive particles from host materials such as water, soil, or air. All uranium and plutonium compounds are slightly magnetic while most host materials are nonmagnetic. The process operates by passing contaminated fluid or slurry through a magnetized volume.

More

Superconducting Open-Gradient Magnetic Separation

2015-6-16  Open Gradient Magnetic Separation Open gradient magnetic separation is based on a particle behavior while in the presence of a magnetic field. Paramagnetic particles (e.g., U, Pu, fly ash, ferrite, pyrite) are deflected when free falling in an applied magnetic field and attracted toward the bore wall of the magnet. Diamagnetic

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Magnetic separation of calcite and aragonite for use in ...

2017-7-18  Magnetic separation of calcite and aragonite for use in radioactive carbon analysis. Aragonite and calcite often coexist; as such, separating these very similar minerals is an important step in undertaking research on these two phases individually. One approach to discriminating between the two phases is to stain a sample using Meigen’s ...

More

Magnetic composites as an effective technology for

2015-8-18  Magnetic Na-phlogopite showed relatively low resonance owing to magnetic property (Fig. 3). As shown in Fig. 4, the separation of radioactive cesium (137 Cs) using an external magnet was rapidly achieved within 30 s in a batch experiment. The high ion exchange efficiency of Na-phlogopite in combination with the ease of the magnetic separation ...

More

Removal of Radioactive Heavy Metal Ions From Solution

Schwertmannite, i.e. iron oxyhydroxysulfate and zirconium-ferrite particles are excellent adsorbents for uranium ions. The magnetic separation characteristics for removal of radioactive ions, i.e. uranium and radium ions, from solution with the adsorbents of synthesized schwertmannite and the zirconium-ferrite particles have been studied. By a 10 tesla superconducting high-gradient magnetic ...

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Magnetic separation of micro-spheres from viscous ...

2007-2-21  @article{osti_914899, title = {Magnetic separation of micro-spheres from viscous biological fluids.}, author = {Chen, H and Kaminski, M D and Xianqiao, L and Caviness, P and Torno, M and Rosengart, A J and Dhar, P and Chemical Engineering and Univ. of Chicago Pritzker School of Medicine and Illinois Inst. of Tech.}, abstractNote = {A magnetically based detoxification system is being

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Present Situation of Fukushima and Possibility of ...

magnetic decontamination agents Dosereduction rate:ca. 50% September2012 KanazawaInstitute ofTechnology Contaminated water Magnetizationof CsandSr Max. decontamination rate:ca. 91% December2012 MSEngineering Ltd.,Mitsubishi PaperMillsLtd. Incinerationash Magnetic adsorbents Superconducting high-gradient magnetic separation Volumereduction rate ...

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Magnetic Resonance Imaging (MRI) - nibib.nih.gov

2021-11-18  Magnetic Resonance Imaging (MRI) is a non-invasive imaging technology that produces three dimensional detailed anatomical images. It is often used for disease detection, diagnosis, and treatment monitoring. It is based on sophisticated technology

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CPC Scheme - B03C MAGNETIC OR ELECTROSTATIC

MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS (filters making use of electricity or magnetism B01D 35/06; separating isotopes B01D 59/00; combinations of magnetic or electrostatic separation with separation of solids by other means B03B, B07B; separating sheets from piles B65H

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Radioisotopes: What Are They and How Are They Made?

2008-3-19  But, because it is radioactive, its presence can be detected. Iodine 131 thus became one of the earliest radioactive tracers. How can different isotopes of an element be produced? How can isotopes be produced--especially radioisotopes, which can serve many useful purposes? There are two basic methods: separation and synthesis.

More
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