Studies on the Separation and Recovery of Uranium from Phosphoric Acid Medium Using a Synergistic Mixture of (2-Ethylhexyl)phosphonic Acid Mono 2-Ethyl Hexyl Ester (PC-88A) and Tri-n-octylphosphine Oxide (TOPO)

REFERENCES

• Murthy , T.K.S. ; Pai , V.N. ; Nagle , R.A. ( 1970 ) Proc. IAEA Symp. On recovery of uranium, Sao Paulo, IAEA-SM-135/11 , Vienna , Austria , 341 .
   Google Scholar
• Hurst , F.J. ; Crouse , D.J. ; Brown , K.B. ( 1972 ) Recovery of uranium from wet process phosphoric acid . Ind. Eng. Chem. Process. Des. Dev. , 11 ( 1 ): 122 .
   Web of Science ®Google Scholar
• Ninger , R.D. ( 2000 ) Uranium Exploration Policy, Economics, and Future Prospective , IAEA-PL-490/7 , US Atomic Energy Commission , USA .
   Google Scholar
• Sivaprakash , G. ( 1989 ) International Symposium on Uranium Technology, 592 .
   Google Scholar
• Marcus , Y. ; Kartes , A.S. ( 1969 ) Ion Exchange and Solvent Extraction of Metal Complexes ; Wiley-Interscience : New York , p. 815 .
   Google Scholar
• Gupta , C.K. ; Singh , H. ( 2003 ) Uranium Resource Processing: Secondary Resources ; Springer : Heidelberg , Germany , p. 472 .
   Google Scholar
• Khaled , M. Rawajfeh ; Ali Kh , Al-Matar. ( 2000 ) Uranium extraction from purified wet process Jordian phosphoric acid: a developmental study . Hydrometallurgy , 56 , 309 .
   Web of Science ®Google Scholar
• Hurst , F.J. ; Crouse , D.J. ( 1981 ) By-product recovery of uranium from wet process phosphoric acid . Actinide Recovery Symposium , New York , 371 .
   Google Scholar
• Mukherjee , T.K. ; Singh , H. ( 2003 ) INSAC-(2003) KALPAKKAM, IT/1 .
   Google Scholar
• Yang , Yan-Zhao ; Yang , Yong-Hui ; Cao , Xiao-Shi ; Sun , Si-Xiu. ( 2000 ) Synergistic extraction of uranium(VI) from nitric acid solution by a mixture of n-octyldecylsulfoxide and petroleum sulfoxide in carbon tetrachloride . Radiochim. Acta , 88 : 355 .
   Web of Science ®Google Scholar
• Meera , R. ; Reddy , M.L.P. ( 2002 ) Synergistic extraction of uranium(VI) by bis(2,4,4-trimethylpentyl)phosphonic acid in the presence of neutral oxo-donors . Radiochim Acta , 90 : 383 .
   Web of Science ®Google Scholar
• Bunus , F.T. ( 2000 ) Uranium and rare earth recovery from phosphate fertilize Industry by solvent extraction . Minor. Process Extraction Metal Eev. , 21 ( 2 ): 381 .
   Google Scholar
• Singh , H. ; Vijyalakshmi , R. ; Mishra , S.L. ; Gupta , C.K. ( 2001 ) Studies on uranium extraction from phosphoric acid using di-nonyl phenyl phosphoric acid-based synergistic mixture . Hydrometallurgy , 59 : 69 .
   Web of Science ®Google Scholar
• Singh , Suman Kumar ; Dhami , P.S. ; Dakshinamoorthy , A. ; Sudersanan , M. ( 2008 ) Studies on the recovery of uranium from phosphoric acid medium using synergistic mixture of 2-ethylhexyl hydrogen 2-ethylhexyl phosphonate (PC-88A) and octylphenyl-n,n diisobutyl carbamoyl methyl phosphine oxide (CMPO) . Separation Science and Technology , 44 ( 2 ): 495 .
   Web of Science ®Google Scholar
• Singh , Suman Kumar ; Dhami , P.S. ; Tripathi , S.C. ; Dakshinamoorthy , A. ( 2008 ) Studies on the recovery of uranium from phosphoric acid medium using synergistic mixture of (2-Ethylhexyl) Phosphonic acid, mono (2-ethylhexyl) ester (PC-88A) and Try-n butyl phosphate (TBP) . Hydrometallurgy , 95 : 170 .
   Web of Science ®Google Scholar
• Sarkar , S.G. ; Bandekar , S.V. ; Dhadke , K.K. ( 2000 ) Solvent Extraction of Th(IV) and U(VI) with PC-88A . Journal of Radioanalytical and Nuclear Chemistry , 243 ( 3 ): 803 – 807 .
   Web of Science ®Google Scholar
• Singh , D.K. ; Singh , H. ; Gupta , C.K. ( 2000 ) Extraction of uranium with 2-ethylhexylphosphonic acid mono-2-ethylhexyl ester (PC-88A) . Journal of Radioanalytical and Nuclear Chemistry , 245 ( 3 ): 575 – 580 .
   Web of Science ®Google Scholar
• Singh , D.K. ; Singh , H. ; Mathur , J.N. ( 2001 ) Synergistic extraction of U(VI) with mixtures of 2-ethylhexyl Phosphoric acid-mono-2–2-ethylhexyl ester (PC-88A) and TBP, TOPO or Cyanex 923 . Radiochemica Acta , 89 : 573 .
   Web of Science ®Google Scholar
• Mathur , J.N. ; Choppin , G.R. ( 1993 ) The interaction of crown ethers with B-diketone complexes of f-elements . Solvent Extraction and Ion Exchange , 11 : 1 – 7 .
   Web of Science ®Google Scholar
• Singh , Suman Kumar ; Misra , S.K. ; Sudersanan , M. ; Dakshinamoorthy , M. ( 2009 ) Studies on the recovery of uranium from phosphoric acid medium by D2EHPA/n-dodecane immobilized liquid membrane . Sep. Sci. and Technol. , 44 ( 1 ): 169 .
   Web of Science ®Google Scholar
• Girgin , S. ; Acarkan , N. ; Sirkeci , A.A. ( 2002 ) The uranium(VI) extraction mechanism of D2EHPA-TOPO from a wet process phosphoric acid . J. Radio. Nucl. Chem. , 251 : 263 .
   Web of Science ®Google Scholar
• Mansingh , P.S. ; Veeraraghavan , R. ; Mahapatra , P.K. ; Manchanda , V.K. ; Dash , K.C. ( 1996 ) Adduct formation of a uranyl isoxazolonate with organophilic neutral oxodonors . Radiochemica Acta , 72 : 127 .
   Web of Science ®Google Scholar
• Singh , Suman kumar ; Dhami , P.S. ; Sudersanan , M. ; Dakshinamoorthy , A. ; Munshi , S.K. ; Dey , P.K. ( 2007 ) Studies on the recovery of uranium from phosphoric acid medium using a mixture of 2-ethylhextl hydrogen 2- ethylhexyl phosphonate and octyl phenyl-n,n-di isobutyl carbamoyl methyl phosphine oxide. Nuclear and Radiochemistry Symposium. The M.S. University of Baroda, Vadodara. (NUCAR-2007) 271 .
   Google Scholar
• Chitnis , R.T. ; Rajapan , K.G. ; Kumar , S.V. ; Nadkarni , M.N. ( 1979 ) BARC, 1003 .
   Google Scholar
• Davies , W. ; Gray , W. ( 1964 ) A rapid and specific titrimetric method for the precise determination of uranium using iron (II) sulphate as reductant . Talanta , 11 : 1203 .
   Google Scholar