1. An isotope dilution-precipitation process for removing ...

    A novel isotope dilution-precipitation method has been developed to remove cesium-137 from radioactive wastewater.

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  2. Removal of cesium ions from aqueous solutions using ...

    used to remove radioactive cesium from aqueous solution. However, the development of innovative technologies capable of selectively removing radioac-tive cesium is still imperative yet challenging. This review focused on cesium removal using various separation technologies, including chemical precipi-tation, solvent extraction, membrane ...

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  3. Exceptionally Selective Removal of Cesium and Strontium ...

    Selective removal of cesium and strontium is critical for waste treatment and environmental remediation. Cesium-137 (half-life 30 years) is a strong beta-gamma emitter, and Strontium-90 (half-life 29 years) is a beta emitter and a large source of Cerenkov radiation, resulting in shielding challenges. Both elements

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  4. ORNL processes troublesome cesium | ORNL

    Jun 01, 2016· To remove the cesium, ORNL scientists developed a solvent-extraction process that uses both complex chemistry and engineered molecules to isolate, transfer, and ultimately concentrate the isotope. At that point, it is ready to be combined with other radionuclides and vitrified.

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  5. // Radioactive Isotopes in Process Measurement

    process material. When the process value is high, more of the gamma energy is blocked which leads to fewer counts. The two most common gamma emitters used for level and density process measurements are isotopes of cobalt and cesium. The goal of this article is an objective comparison of the roles of cesium-137 and cobalt-60 in process measurement.

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  6. Fast and efficient cesium removal from simulated ...

    Sep 01, 2015· Based on the data obtained in Fig. 9 and the above discussion, the flotation process can be considered the most efficient treatment process for cesium removal from LLLRW. Accordingly, it can be concluded that the isotope dilution–precipitate flotation process, followed in the present study, can be effectively applied for treatment of radioactive liquid wastes contaminated with Cs-137 radionuclides.

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  7. Remove Radioactive Particles from Your Body in 5-7 Hours ...

    There is more than 85 times as much radioactive cesium at Fukushima as was released at Chernobyl. Of greater concern is strontium-90, not to mention diseases linked to radiation exposure such as cancers, nervous system disorders and cardiac abnormalities. In today's nuclear world, detoxing radioactive materials from the body is vital to our ongoing good health.

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  8. An isotope dilution–precipitation process for removing ...

    A novel isotope dilution–precipitation method has been developed to remove cesium-137 from radioactive wastewater. The process involves adding stable cesium chloride to wastewater in order to raise the total cesium concentration, which then allows both the stable and radioactive cesium ions to be precipitated together using sodium tetraphenylborate.

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