Macroporous Resin for Fast Uranium Recovery from Seawater and Uranium-Containing Wastewater ... (26), sensing (27), medicine (28), energy storage (29), and environmental remediation (30), owing to ...
Learn MoreUranium-containing silica gel (UCSG) is a secondary waste generated during the advanced treatment of nuclear wastewater. In order to reduce the growing storage pressure for UCSG, from the perspective of building a borosilicate glass network, UCSG was used to replace SiO 2 in the glass-cured formula to directly achieve the immobilization of …
Learn MoreThe mechanism is due to a unique photocatalysis coupling between the uranium reduction reaction (URR), aiming at uranium recovery or removal, and the …
Learn MoreA kind of iron-carbon composite for efficient electrosorption of uranium from radioactive wastewater was prepared by simply carbonization of cellulose and ferric …
Learn MoreThe generation of uranium-containing wastewater (UCW) during different stages of uranium mining, processing, and utilization presents a significant ecological and biospheric threat. Consequently, it is crucial for both sustainable development and the protection of human health to adopt appropriate methods for the treatment of UCW as well as the ...
Learn MoreThe amount of uranium in the acidic uranium-containing wastewater was decreased to 54 ug L −1, and the removal rate was 92.77%, when 20 mL of uranium wastewater was adsorbed by 20 mg KMnFC/CNT@SA in a 25 C constant temperature shaker for 24 h.
Learn MoreA 300 W Xe light source is used to measure the U(VI) recovery efficiency in uranium-containing wastewater with a concentration of 10 ppm. The C 3 N 5 /Fe 2 O 3 -15 has the highest U(VI) removal ratio of 93.38% (Figure S8 ), which is consistent with the above-mentioned kinetic characterization.
Learn MoreThe uranium-containing powder is successfully collected from the real nuclear wastewater, with 92.1% of uranium proportion among the metal elements in the powder.
Learn MoreThe treatment of uranium-containing wastewater has consistently presented a challenge to the development of nuclear energy. In particular, it is difficult to treat mixed wastewater containing iron, manganese, nickel, chromium and other metal ions produced in the process of uranium mining [ 4 ].
Learn MoreUranium extraction from natural seawater and wastewater are quintessential requirements to supply uninterrupted carbon-free nuclear energy and to prevent potential radiochemical and toxicological ...
Learn MoreThe treatment for large amounts of low concentration radioactive wastewater has always been a worldwide problem, just like the Fukushima nuclear power plant is facing the problem of insufficient storage space. In this work, we have assessed the effectiveness of flow electrode capacitive deionization (FCDI) as a recently developed …
Learn MoreThe generation of uranium-containing wastewater (UCW) during different stages of uranium mining, processing, and utilization presents a significant ecological and biospheric threat. Consequently, it is crucial for both sustainable development and the protection of human health to adopt appropriate methods for the treatment of UCW as …
Learn MoreOwing to the development and utilization of nuclear energy, an excessive amount of containing uranium wastewater is generated and poses an environmental hazard. In this study, a novel polyoxometalate modified ammoniated graphene oxide (PHGO) was synthesized for the management of radioactive wastewater. The developed …
Learn MoreIt transforms uranium in both wastewater and seawater to pure insoluble UO 2 for collection and electricity simultaneously, enabling both functions of uranium …
Learn MoreThe challenge of efficiently extracting uranium from water is hereby addressed by a novel idea based on fuel cell principle: uranium extraction cell (UEC). The uranium extraction cell transforms uranium in both wastewater and seawater to UO 2 fuels and electricity simultaneously, enabling both functions of uranium extraction and energy …
Learn MoreHerein, we construct Ti δ+ -PO 43- ion pair extraction sites in Ti (OH)PO 4 for efficient electrochemical uranium extraction in wastewater from nuclear fuel production. These sites selectively bind with UO 2 F x through the combined Ti-F and multiple O-U-O bonds. In the uranium extraction, the uranium species undergo a crystalline transition ...
Learn MoreRadioactive uranium containing wastewater discharged from uranium mining and associated nonferrous ... However, energy storage and conversion techniques are developing rapidly as new promising ...
Learn MoreFor uranium wastewater containing a large amount of urea and polyvinyl alcohol (PVA), the extraction rate of uranium reached 97 % after 3 hours of PEC treatment. As for the uranium wastewater with ∼0.5 mol/L ammonium chloride, the extraction rate of uranium was as high as 98.1 % after 3 hours of PEC treatment.
Learn MoreEfficient photoelectrocatalytic removal of uranium was achieved from wide wastewater conditions. . The nanocone arrays with Schottky junction enabled the enhanced charge …
Learn MoreUranium is a crucial nuclear power resource, and the mining and processing of uranium unavoidably generate a considerable volume of uranium-containing effluent (Yanhong et al., 2019). The impact of water resource issues extends to all living beings (Othmani et al., 2022), and to prevent harm to the surrounding ecosystem, …
Learn MoreMagnetic properties provide opportunities for designing efficient magnetic separation of spend anode materials. A part from the application in energy storage devices, other applications of the ...
Learn MoreU(VI) enrichment ratio via carbon-encapsulated nano zero-valent iron particles with konjac glucomannan-derived carbon aerogel reached up to 90.1% within 60 min in 200 mg/L uranium-containing wastewater, with U(VI) enrichment capacity of …
Learn MoreThe toxicity and radioactivity of uranium (U)-containing wastewater pose a serious threat to the environment of humans, animals, and plants. It is necessary to remove U from contaminated ...
Learn MoreUranium-containing silica gel (UCSG) is a secondary waste generated during the advanced treatment of nuclear wastewater. In order to reduce the growing storage pressure for UCSG, from the perspective of building a borosilicate glass network, UCSG was used to replace SiO2 in the glass-cured formula to directly achieve the …
Learn MoreExtraction of Uranium in Organics-containing Wastewater over g-C3N4/GO Hybrid Nanosheets with ... (VI): Utilization and Storage of Solar Energy in K + and Cyano Co‐Decorated Poly(Heptazine Imide ...
Learn MoreIn real nuclear wastewater, the uranium is electrochemically extracted with a high efficiency of 99.6% and finally purified as uranium oxide powder, …
Learn MoreThe study also delves into the uranium removal performance of these composites in uranium-containing solutions and real acidic uranium mining wastewater. Specifically: 1) Magnetic phosphate composites are synthesized through a process involving mixing, ultrasonication, hydrothermal precipitation, and calcination methods.
Learn MoreIf the uranium-containing wastewater is not treated, it will bring serious environmental problems. After related experiments in the laboratory, it is measured that the adsorption rate of high-tech ...
Learn MoreElectrochemical uranium extraction from nuclear wastewater represents an emerging strategy for recycling uranium resources. However, in nuclear fuel production which generates the majority of uranium-containing nuclear wastewater, fluoride ion (F −) co-exists with uranyl (UO 2 2+), resulting in the complex species of UO 2 F x and thus …
Learn MoreA large volume of wastewater containing low concentrations of uranium is generated owing to the development and utilization of nuclear energy, which poses an environmental hazard.
Learn MoreDownload Citation | Uptake of Uranium from Wastewater by Polyoxometalate Modified Graphene Oxide | Owing to the development and utilization of nuclear energy, an excessive amount of containing ...
Learn MoreCaSO 4.2 H 2 O, CaCO 3, CaF 2 are the main components of uranium containing wastes. The sludge contains 0.1 wt% of uranium. • The degree of leaching highly depends on the process temperature. • The specific alpha and beta activity are reduced on 2.5–3
Learn MoreThis work demonstrates the high efficiency of pomelo peel biochar for disposal of uranium-containing nuclear wastewater, ... The XPS spectrum of PB-700-20-U shows the signal of uranium element at the binding energy of 393.32 eV (U 4f 5/2) and 382.47 eV (U 4f ...
Learn MoreDirect adsorption experiments were conducted on the acidic uranium-containing wastewater sourced from a decommissioned mining area in North China, where the uranium mine utilized acid in-situ leaching techniques. With a …
Learn MoreMoreover, the complex exploitation process of terrestrial uranium ores would produce abundant uranium-containing wastewater, causing severe environmental hazards [5, 6].
Learn MoreThe challenge of efficiently extracting uranium from water is hereby addressed by a novel idea based on fuel cell principle: uranium extraction cell (UEC). The uranium extraction cell transforms uranium in both wastewater and seawater to UO 2 fuels and electricity simultaneously, enabling both functions of uranium extraction and energy …
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