A revisit of the cation–cation interactions between NpO2+ and UO22+ in nitric acid medium and their impact on separation processes: spectrophotometric and solvent extraction studies

2013 ◽  
Vol 42 (39) ◽  
pp. 14058 ◽  
Author(s):  
P. K. Verma ◽  
P. N. Pathak ◽  
A. Bhattacharyya ◽  
D. R. Prabhu ◽  
P. K. Mohapatra
Keyword(s):  
Nitric Acid ◽  
Solvent Extraction ◽  
Acid Medium ◽  
Nitric Acid Medium ◽  
Separation Processes

Syntheses and evaluation of new hydrophilic azacryptands used as masking agents of technetium in solvent extraction processes

2021 ◽  
Vol 50 (5) ◽  
pp. 1620-1630
Author(s):  
Alexiane Thevenet ◽  
Ana Miljkovic ◽  
Sonia La Cognata ◽  
Cécile Marie ◽  
Christelle Tamain ◽  
...  
Keyword(s):  
Nitric Acid ◽  
Solvent Extraction ◽  
Acid Medium ◽  
Separation Process ◽  
Nitric Acid Medium ◽  
Masking Agents ◽  
Extraction Processes

New azacryptands with the addition of hydrophilic groups were synthesized to bind selectively the pertechnetate anion in nitric acid medium, and avoid its extraction in the separation process.

Solvent Extraction of Uranium with N,N-Di(2-Ethylhexyl)Octanamide from Nitric Acid Medium

2017 ◽  
Vol 35 (6) ◽  
pp. 439-449 ◽  
Author(s):  
Nao Tsutsui ◽  
Yasutoshi Ban ◽  
Hiroshi Sagawa ◽  
Sho Ishii ◽  
Tatsuro Matsumura
Keyword(s):  
Nitric Acid ◽  
Solvent Extraction ◽  
Acid Medium ◽  
Nitric Acid Medium

Comparision in the solvent extraction behavior of uranium (VI) in some trialkyl phosphates in ionic liquid

2016 ◽  
Vol 104 (12) ◽  
Author(s):  
R. Rama ◽  
Alok Rout ◽  
K. A. Venkatesan ◽  
M. P. Antony ◽  
A. Suresh
Keyword(s):  
Ionic Liquid ◽  
Nitric Acid ◽  
Solvent Extraction ◽  
Acid Medium ◽  
Fast Reactor ◽  
Nitric Acid Medium ◽  
Extraction Behavior ◽  
Trialkyl Phosphates

AbstractHigher homologs of trialkyl phosphates (TAlP) are proposed for reprocessing of fast reactor fuels. Solvent extraction behavior of U(VI) from nitric acid medium was studied in some TAlP present in 1-octyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide ([C

Transport of uranium from nitric acid solution by non-dispersive solvent extraction using a hollow fibre contactor

2006 ◽  
Vol 94 (6-7) ◽  
Author(s):  
C. B. Patil ◽  
P. K. Mohapatra ◽  
R. R. Singh ◽  
P. B. Gurba ◽  
P. Janardan ◽  
...  
Keyword(s):  
Nitric Acid ◽  
Solvent Extraction ◽  
Acid Solution ◽  
Organic Solvent ◽  
Acid Medium ◽  
Nitric Acid Solution ◽  
Hollow Fibre ◽  
Nitric Acid Medium ◽  
Aqueous Nitric Acid

SummaryMembrane based non-dispersive solvent extraction (NDSX) of U(VI) from aqueous nitric acid medium was carried out using a commercial hollow fibre module containing microporous hydrophobic polypropylene capillaries. The NDSX operation was carried out by pumping U(VI) solutions at varying concentrations of nitric acid (1-5 M) through the tube side and organic solvent (di-

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