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Efficacy of extraction of U(VI) by liquid emulsion membrane (LEM) using TOPO, D2EHPA and TOA

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Title Efficacy of extraction of U(VI) by liquid emulsion membrane (LEM) using TOPO, D2EHPA and TOA
 
Creator DAS, D
JUVEKAR, VA
BHATTACHARYA, R
 
Subject URANIUM EXTRACTION
TRIOCTYLPHOSPHINE OXIDE
PHOSPHORIC-ACID
RECOVERY
COEXTRACTION
THORIUM
Uranium (VI)
TOPO
D2EHPA
TOA
Liquid emulsion membranes (LEM)
 
Description The response surface methodology is used to obtain optimal rate and extent of extraction of low concentration U(VI) (a parts per thousand currency sign100 mg/L) by liquid emulsion membrane technique. Three different ligands viz. Tri-n-octyl phosphine oxide (TOPO), Tri-n-octyl amine (TOA) and Di-(2-ethylhexyl)phosphoric acid (D2EHPA), are used. 2(3) factorial design is applied to generate second order regression equation for studying the effect of concentration of ligand, surfactant and feed acidity. The regression model is in good agreement with the experimental data for all ligands. The rate of extraction of U(VI) by LEM is found to be in the order TOA > TOPO > D2EHPA.
 
Publisher SPRINGER
 
Date 2016-01-14T12:12:52Z
2016-01-14T12:12:52Z
2015
 
Type Article
 
Identifier JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, 304(3)1261-1274
0236-5731
1588-2780
http://dx.doi.org/10.1007/s10967-015-3946-3
http://dspace.library.iitb.ac.in/jspui/handle/100/17467
 
Language en