Development of a rapid method for extraction of uranium from uranium bearing materials using ionic liquid as extracting agent from basic media

K, Prabhath Ravi; Mishra, Saurabh; Sathyapriya, R. S.; Murali, Shanthi

doi:10.1016/j.apradiso.2021.110017

Cited by 6 publications

(2 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…14 This adaptability makes it feasible to substitute conventional volatile organic solvents in extraction and separation processes. 15,16 In the past decade, ILs have been extensively tested as environmentally friendly organic solvents for the removal and recovery of actinide metals, with a particular focus on uranium, from ores, 17,18 wastewater, 19,20 and the postprocessing of spent nuclear fuel. 21−24 The critical process of extracting uranium from these matrices is essential to prevent its dissemination into natural environments and reduce related hazards.…”

Section: Introductionmentioning

confidence: 99%

“…In the past decade, ILs have been extensively tested as environmentally friendly organic solvents for the removal and recovery of actinide metals, with a particular focus on uranium, from ores, , wastewater, , and the postprocessing of spent nuclear fuel. − The critical process of extracting uranium from these matrices is essential to prevent its dissemination into natural environments and reduce related hazards. Previous studies have emphasized the robust radiolytic stability of ILs with incorporating aromatic rings or chromophore groups. , Moreover, it has been shown that hydrophobic fluorinated ILs serve as effective solvents for the extraction of uranyl cations (UO 2 2+ ) from water.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Advanced Uranium Removal with Pure, Nonfluorinated Ionic Liquids: Fine-Tuning Hydrophilic and Hydrophobic Properties for Enhanced Selectivity

Zarrougui,

Ferhi,

Raouafi

et al. 2024

Inorg. Chem.

View full text Add to dashboard Cite

Ionic liquids (ILs) have significant potential for eco-friendly extraction of uranium from aqueous solutions, which is critical for nuclear technology, fuel cycle management, and environmental protection. This study examines the impact of the adjustable hydrophobic/hydrophilic properties of ILs on the removal of uranium(VI) (UO 2 2+ ) from aqueous solutions utilizing both a novel hydrophilic IL (1-butoxyethyl-1-methylmorpholinium butoxyethylphosphite − Mor 1−2O4 -BOEP) and 1-heptyl-1methylmorpholinium heptylphosphite (Mor 1−7 -HP) as an example of a hydrophobic IL with a similar structure. The transfer mechanism of uranyl ions from water to organic or solid phases closely depends on the physicochemical properties of ILs, especially their hydrophobicity. The hydrophobic Mor 1−7 -HP extracts uranyl via neutral complex formation as UO 2 (NO 3 ) 2 -(Mor 1−7 -HP) 2 . Conversely, hydrophilic Mor 1−2O4 -BOEP induced selective precipitation as UO 2 (NO 3 )-(BOEP), transferring uranyl to the solid phase. Optimization of the working parameters, in terms of acidity of the aqueous solution and amount of ILs used, allowed the extraction of over 98% of U(VI). The stoichiometry of the organic complex and the precipitate was determined using physicochemical techniques. These tunable H-phosphonate-based ILs have advantages over traditional solvent extraction and conventional ILs, allowing easier handling, improved selectivity, and lower environmental impact. This work advances uranium separation techniques with applications in hydrometallurgy, particularly in the treatment of wastewater and radioactive waste for sustainable uranium recovery.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Advanced Uranium Removal with Pure, Nonfluorinated Ionic Liquids: Fine-Tuning Hydrophilic and Hydrophobic Properties for Enhanced Selectivity

Zarrougui,

Ferhi,

Raouafi

et al. 2024

Inorg. Chem.

View full text Add to dashboard Cite

show abstract

Fast separation and determination of 55Fe and 63Ni using chelating resin Chelex 100 for activated parts of nuclear reactors and nuclear forensics

Topyła,

Chajduk,

Samczyński

et al. 2024

J Radioanal Nucl Chem

View full text Add to dashboard Cite

In this study, a method for selective separation of 63Ni and 55Fe with simultaneous wash-out of 60Co was developed. Purification of 63Ni and 55Fe was carried out using a chelating ion-exchange resin Chelex 100. The elaborated procedure was applied for aqueous and stainless steel matrices. Average recoveries were around 80% for both isotopes, confirmed by ICP-MS and LSC measurements. 60Co, interfering with the isotopes spectra in the same energy range, was washed-out from the system prior to 63Ni and 55Fe separation. The most important advantages over existing methods are short separation time (c.a. 8 h), application of a single chromatographic column and overall simplicity.

show abstract

Determination of uranium isotopes in marine sediments and seawaters by SF ICP-MS after rapid chemical separation using TK200 resin

Zhang

Levy

Vassileva

2023

Environ Sci Pollut Res

View full text Add to dashboard Cite

Development of a rapid method for extraction of uranium from uranium bearing materials using ionic liquid as extracting agent from basic media

Cited by 6 publications

References 14 publications

Advanced Uranium Removal with Pure, Nonfluorinated Ionic Liquids: Fine-Tuning Hydrophilic and Hydrophobic Properties for Enhanced Selectivity

Advanced Uranium Removal with Pure, Nonfluorinated Ionic Liquids: Fine-Tuning Hydrophilic and Hydrophobic Properties for Enhanced Selectivity

Fast separation and determination of 55Fe and 63Ni using chelating resin Chelex 100 for activated parts of nuclear reactors and nuclear forensics

Determination of uranium isotopes in marine sediments and seawaters by SF ICP-MS after rapid chemical separation using TK200 resin

Contact Info

Product

Resources

About