Uranium extraction from partially neutralised and diluted phosphoric acid using a synergistic organophosphorous solvent mixture

Hydrometallurgy

Volumn 70, Issue 1-3, 2003, Pages 197-203

  Singh, Harvinderpal ^a   Mishra, S L ^a   Anitha, M ^a   Giriyalker, A B ^a   Vijayalakshmi, R ^a   Kotekar, M K ^a  

^a BHABHA ATOMIC RESEARCH CENTRE   (India)

Author keywords

Acid; DEHPA; Extraction; Phosphate; Solvent; TAPO; Uranium

Indexed keywords

ENTHALPY; EXTRACTION; PHOSPHORIC ACID;

NEUTRALISATION REACTORS;

URANIUM;

EID: 0038515402     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0304-386X(03)00083-5     Document Type: Article

References (15)

1. Brcic I., Fotovic I., Meles S., Polla E., Radosevic M. Solvent extraction of U-VI from phosphoric acid with variable aromatic content in kerosene. Hydrometallurgy. 18:1986;117-122.
2. Broshner J.C., Anderson J.F. The system ammonia-phosphoric acid-water at 75 °C. J. Am. Chem. Soc. 68:1946;902-904.
3. Bunus F.T. Uranium and rare earth recovery from phosphate fertilizer industry by solvent extraction. Miner. Process. Extr. Metall. Rev. 21(2):2000;381-478.
4. Gupta C.K., Singh H. Uranium Resource Processing: Secondary Resources. 2003;Springer, Heidelberg, Germany.
5. Hofmann, J., Leicht, R., Wingender, H.J., Worner, J., 2000. Natural radionuclide concentrations in materials processed in the chemical industry and the related radiological impact. European Commission Report EUR 19264.
6. Hurst F.J., Crouse D.J., Brown K.B. Recovery of uranium from wet process phosphoric acid. Ind. Eng. Chem. Process Des. Dev. 11(1):1972;122-128.
7. Murthy T.K.S., Pai V.N., Nagle R.A. Proc. IAEA Symp. on Recovery of Uranium, Sao Paulo, IAEA-SM-135/11, Vienna, Austria. 1970;341-349.
8. Sharma J.N., Sakhalkar P.M., Iyer K.S., Marwah U.R. Potentiometric determination of D2EHPA and M2EHPA using mathematical software for end point determination. J. Radioanal. Nucl. Chem. 240(3):1999;959-961.
9. Murthy T.K.S., Pai V.N., Nagle R.A. Proc. IAEA Symp. on Recovery of Uranium, Sao Paulo, IAEA-SM-135/11, Vienna, Austria. 1970;341-349.
10. Singh H., Gupta C.K. Solvent extraction in production and processing of uranium and thorium. Miner. Process. Extr. Metall. Rev. 21(1-5):2001;307-349.
11. Singh H., Vijaylakshmi R., Mishra S.L., Gupta C.K. Studies on uranium extraction from phosphoric acid using di-nonyl phenyl phosphoric acid based synergistic mixtures. Hydrometallurgy. 59:2001;67-76.
12. Stoica L., Georgescu I.L., Filip D., Bunus F. Determination of valuable elements in natural phosphates. J. Radioanal. Nucl. Chem. 216(2):1997;161-163.
13. 5 phosphoric acid solution at 80, 90, 100 and 110 °C: correlations with water concentration. J. Chem. Eng. 1991;77-80.
14. UN Sci. Comm. on Effects of Atomic Radiation, 2001. Sources and Effects of Ionizing Radiation - UNSCEAR 2000 Report to the General Assembly, Volume 1.
15. Wong J., Song C. Hot test of trialkyl phosphine oxide (TRPO) for removing actinides from highly saline high level liquid waste. Solv. Extr. Ion Exch. 19(2):2001;231-242.