Thiosubstituted organophosphinic acids as selective extractants for mercury(II) from acidic chloride solutions

Solvent Extraction and Ion Exchange

Volumn 21, Issue 1, 2003, Pages 109-123

  Francis, T ^a   Reddy, M L P ^a  

^a REGIONAL RESEARCH LABORATORY CSIR   (India)

Author keywords

CYANEX 301; CYANEX 302; Mercury; Solvent extraction

Indexed keywords

HYDROCHLORIC ACID; INFRARED SPECTROSCOPY; ORGANIC ACIDS; PHASE EQUILIBRIA; POSITIVE IONS; REGRESSION ANALYSIS;

BRINE SLUDGE;

EXTRACTION;

BIS(2,4,4 TRIMETHYLPENTYL)DITHIOPHOSPHINIC ACID; BIS(2,4,4 TRIMETHYLPENTYL)MONOTHIOPHOSPHINIC ACID; BIS(2,4,4 TRIMETHYLPENTYL)PHOSPHINIC ACID; HYDROCHLORIC ACID; MERCURIC CHLORIDE; MERCURY; PHOSPHINIC ACID DERIVATIVE; SULFUR DERIVATIVE;

HYDROCHLORIC ACID; MERCURY; SOLVENT EXTRACTION;

CATION EXCHANGE; CHEMICAL MODEL; CHEMICAL REACTION KINETICS; EQUILIBRIUM CONSTANT; METAL EXTRACTION; REGRESSION ANALYSIS;

EID: 0037258052     PISSN: 07366299     EISSN: None     Source Type: Journal    
DOI: 10.1081/SEI-120017550     Document Type: Article

References (18)

1. Baba, Y.; Inoue, K.; Yoshizuka, K.; Yasukawa, R.; Tazaki, M. Removal of mercury from wastewaters by extraction with alkylthiol compounds. Jpn. Kokai Tokkyo Koho JP 04164817 A2, 1992.
2. Tecnicas Runidas, SA, Spain. Liquid-liquid extraction of mercury from wastewaters, results in no waste discharge. CS 210, DOC. No: 400-018-A-209.
3. Francis, T.; Rao, T.P.; Reddy, M.L.P. Cyanex 471X as an extractant for the recovery of Hg(II) from industrial wastes. Hydrometallurgy 2000, 57, 263-268.
4. Francis, T.; Ramamohan, T.; Reddy, M.L.P. Liquid-liquid extraction of Hg(II) from acidic chloride solutions using bis-2-ethylhexyl sulphoxide. J. Chem. Technol. Biotechnol. 2001, 76, 737-742.
5. Reddy, M.L.P.; Francis, T. Recent advances in the solvent extraction of mercury(II) with calixarenes and crown ethers. Solvent Extr. Ion Exch. 2001, 19 (5), 839-863.
6. Sole, K.C.; Hiskey, J.B. Solvent extraction of copper by Cyanex 272, Cyanex 302 and Cyanex 301. Hydrometallurgy 1995, 37, 129-147.
7. Menoyo, B.; Elizalde, M.P. Extraction of cobalt(II) by Cyanex 302. Solvent Extr. Ion Exch. 1997, 15 (1), 97-113.
8. Hill, C.; Madic, C.; Baron, P.; Ozawa, M.; Tanaka, Y. Trivalent minor actinides/lanthanides separation using organophosphinic acids. J. Alloys Comps. 1998, 271-273, 159-162.
9. Chen, J.; Zhu, Y.; Jiao, R. The separation of Am from lanthanides by purified Cyanex 301 extraction. Sep. Sci. & Technol. 1996, 31, 2723-2731.
10. Bart, H.J.; Reidetschlager, J.H. Purification of bis(2-ethylhexyl)monothiophosphoric acid. Hydrometallurgy 1991, 26 (3), 389-393.
11. Modolo, G.; Odoj, R. Influence of the purity and irradiation stability of Cyanex 301 on the separation of trivalent actinides from lanthanides by solvent extraction. J. Radioanal. Nucl. Chem. 1998, 228 (1-2), 83-88.
12. Rickleton, W.A.; Boyle, R.J. Solvent extraction with organophosphines- commercial and potential applications. Sep. Sci. & Technol. 1988, 23 (12 & 13), 1227-1250.
13. Sole, K.C.; Hiskey, J.B. Solvent extraction characteristics of thiosubstituted organophosphinic acid extractants. Hydormetallurgy 1992, 30, 345-365.
14. Baba, Y.; Inoue, K. Extraction equilibrium of mercury(II) with a sulphur-containing carboxylic acid. Solvent Extr. Ion Exch. 1985, 3 (1-2), 35-48.
15. Almela, A.; Elizalde, M.P. Interactions of metal extractant reagents part VIII. Comparative aggregation equilibria of Cyanex 302 and Cyanex 301 in heptane. Anal. Proceedings 1995, 32, 145-147.
16. Jensen, M.P.; Chiarizia, R.; Urban, V. Investigation of the aggregation of the neodymium complexes of dialkyl phosphoric, -oxothiophosphonic and -dithiophosphinic acids in toluene. Solvent Extr. Ion Exch. 2001, 19 (5), 865-884.
17. Menefee, A.; Alford, D.; Scott, C.B. Hydrogen bonding of the thiol Group. J. Chem. Phys. 1956, 25, 370-371.
18. Sekine, T.; Ishii, T. Studies on the liquid-liquid partition systems VII. The solvent extraction of mercury(II) chloride, bromide, iodide and thiocyanate with some organic solvents. Bull. Chem. Soc. Jpn. 1970, 43, 2422-2429.