Results 31 to 40 of about 10,467 (250)

Uranium extraction with modified sorbents

open access: yesKompleksnoe Ispolʹzovanie Mineralʹnogo syrʹâ/Complex Use of Mineral Resources/Mineraldik Shikisattardy Keshendi Paidalanu, 2020
Hydrometallurgical processing of uranium-containing raw materials generates a significant amount of liquid industry-related waste, namely waste solutions that require disposal. Sorption is known as one of the most effective methods for purifying liquid matters contaminated with radionuclides.
B.E. Abdikerim   +6 more
openaire   +1 more source

Uranium from phosphoric acid: Kinetic studies of the solvent extraction processes for uranium extraction

open access: yesDesalination and Water Treatment, 2009
Kinetics of the mass transfer processes involved in uranium recovery from wet process phosphoric acid (WPA) by solvent extraction employing synergistic extractants has been studied. In the present investigation results on the kinetics of separation of entrained solvent by diluent washing and uranium mass transfer behaviour have been discussed.
Kartikey K. Yadav   +2 more
openaire   +1 more source

Preparation of PAO/TiO2 Electrode and Efficient Extraction of Uranium from Seawater

open access: yesYuanzineng kexue jishu
In order to investigate the reduction performance of U(Ⅵ) in seawater by electrochemical technology, TiO2 nanotube array electrode was firstly prepared by anodizing method, and then the amidoxime-modified TiO2 electrode (PAO/TiO2 electrode) was prepared ...
SONG Yan, CHEN Gang, WANG Fengju, WU Haotian, LI Ziming, LI Hao, LI He, CUI Qi, CHEN Shusen
doaj   +1 more source

Study of technological parameters of ion exchange resins and technology of recultivation of off-balance uranium-containing dumps [PDF]

open access: yesE3S Web of Conferences
The article presents the technology of uranium extraction, the results of uranium extraction from recultivative dumps, physicochemical and technological properties of applied resins, as well as the state of radiation and ecological situation in the area ...
Sanakulov Kuvandik   +4 more
doaj   +1 more source

EXTRACTION OF URANIUM FROM LA VENTANA LIGNITE [PDF]

open access: yes, 1954
The extraction of uranium from raw lignite as well as from lignite ash samples was investigated. The uranium extractions obtainable under various leaching conditions and procedures are compared.
Schwien, I.F.
core   +1 more source

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

open access: yesAdvanced Engineering Materials, EarlyView.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele   +2 more
wiley   +1 more source

The Application of Nitrogen Laser on Extraction of Uranium in The Long Life of High Level Radioactive Liquid Waste Using TBP-Kerosene Solvent [PDF]

open access: yes, 2012
The radionuclide of uranium (U) is major radionuclide contained in the long life of high level radioactive liquid waste (HLLW) generated from reprocessing of spent nuclear fuel.
G. , Gunandjar, G, Gunandjar
core  

Ultrafast, High‐Capacity Uranium Harvesting From Seawater via a Hierarchically Porous Polymer Electrode

open access: yesAdvanced Science, EarlyView.
A hierarchically porous AOPIM‐CNT electrode enables uranium harvesting from seawater via adsorption‐promoted electrodeposition. Rapid diffusion and selective adsorption are coupled with electrochemical crystallization and spontaneous detachment, creating a self‐refreshing process that sustains high‐capacity, continuous extraction from ultradilute ...
Zejun Song   +7 more
wiley   +1 more source

Advances in Photocatalysis and Electrocatalysis of Uranium Extraction in Complex Environments

open access: yesHe huaxue yu fangshe huaxue
Uranium, as the most important fuel for nuclear power operation, is crucial to ensure the sustainable development of nuclear power. However, the supply-demand contradiction of uranium resources in China has become increasingly prominent, and the gap ...
Tao LIN   +5 more
doaj   +1 more source

A New Customizable Surfactant LLPS Strategy for Sustainable and Highly Efficient Radioactive Metal Ion Separation

open access: yesAdvanced Science, EarlyView.
A diluent‐free, customizable liquid–liquid phase separation (LLPS) platform enables highly efficient radioactive metal ion extraction and stripping. By encapsulating hydrophobic extractants into an ionic surfactant‐rich condensed phase, this LLPS system leverages synergistic electrostatic and coordination interactions.
Ruihan Yan   +7 more
wiley   +1 more source

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