Organic solvent extraction of uranium from alkaline nuclear waste
Phase 1: Evaluation of the organic solvent using surrogates Sample preparation. A total of 90 samples of organic solvents were prepared using three different extractants (Alamine 336 and Aliquat 336) and three different diluents (kerosene (viscosity, 1.30 at 40 °C and dielectric constant of 1.8 at 20 °C), Xylene (viscosity of 0.81 and …
Solvent extraction of uranyl by N,N,N′,N
The solvent extraction method has been one of important techniques in concentrating and purification of uranium. Tri-n-butyl phosphate (TBP) has been used for several decades as the most successful extractant for recovery of uranium from spent nuclear fuel in Purex process.However, it has some disadvantages: its selectivity is not …
An overview of solvent extraction processes developed in …
Introduction. Nuclear power reactors provide a safe, low-carbon and non-intermittent production of electricity. In 2019, 26.7% of the EU's total net electricity generation was generated by 109 nuclear power reactors across 16 member countries.
Solvent extraction of uranium from leach solutions obtained …
Introduction. Uranium was extracted from the raw material in complex hydrometallurgical processes involving many separation steps. Processes such as solid–liquid extraction, solvent extraction, and ion exchange are applied to obtain pure triuranium octaoxide (U 3 O 8) from uranium ore [].Since in most of uranium minerals …
Nonaqueous Solvent Extraction for Enhanced Metal …
Efficient and sustainable separation of metals is gaining increasing attention, because of the essential roles of many metals in sustainable technologies for a climate-neutral society, such as rare earths in permanent magnets and cobalt, nickel, and manganese in the cathode materials of lithium-ion batteries. The separation and purification of metals by …