Modern hydrometallurgical production methods for tungsten

JOM

Volumn 58, Issue 9, 2006, Pages 45-49

  Singh Gaur, Raj P ^a  

^a OSRAM SYLVANIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AMMONIUM COMPOUNDS; HYDROMETALLURGY; TUNGSTEN COMPOUNDS; TUNGSTEN POWDER METALLURGY;

AMMONIUM PARATUNGSTATE (APT); ORE CONCENTRATES; OXIDIZED SCRAP;

TUNGSTEN;

EID: 33748911634     PISSN: 10474838     EISSN: None     Source Type: Journal    
DOI: 10.1007/s11837-006-0082-0     Document Type: Review

References (43)

1. E. Lassner and W.-D. Schubert, Tungsten - Properties, Chemistry, Technology of the Element, Alloys, and Chemical Compounds (New York: Kluwer Academic/Plenum Publishers, 1999).
2. C.L. Briant, Adv. Materials & Processes, 154 (1998), pp. 29-33.
3. G. Eichelbronner, Int. J. Ref. Metals & Hard Mat., 16 (1998), pp. 5-11.
4. R.P. Singh Gaur et al., "Electrochemical Displacement-Deposition Method for Making Composite Metal Powders," U.S. patent 7,041,151 (9 May 2006).
5. O.A. Songina, editor, Rare Earths, Third Edition (Translated from Russian) (Jerusalem: Israel Program for Scientific Translation, 1970), pp. 15-71.
6. M. Shamsuddin and H.Y. Sohn, Extractive Metallurgy of Refractory Metals, ed. H.Y. Sohn, O. Norman Carlson, and J. Thomas Smith (Warrendale, PA: The Metallurgical Society of AIME, 1981), pp. 205-230.
7. S.W.H. Yih and C.T. Wang, Tungsten: Sources, Metallurgy, Properties and Applications (New York: Plenum Press, 1981), pp. 79-128.
8. R.P. Singh and M.J. Miller, Light Metals 1998, ed. B.J. Welch (Warrendale, PA: TMS, 1998), pp. 1343-1347.
9. R.P. Singh, M.J. Miller, and T.A. Wolfe, Separation Science & Technology, 34 (1999), pp. 1679-1688.
10. R.P. Singh, M.J. Miller, and T.A. Wolfe, "Purification of Phosphorous Containing Scheelite Ore," U.S. patent 6,051,196 (18 April 2000).
11. James Edward Zajic and Naim Kosaric, "Flotation of Scheelite from Calcite with a Microbial Based Collector," U.S. patent 4,046,678 (6 September 1977).
12. Ronald Vedova and Norman LeRoy Grauerholz, "Method for Recovering Scheelite from Tungsten Ores by Flotation," U.S. patent 4,054,442 (18 October 1977).
13. Gordon E. Agar, "Scheelite Flotation Process," U.S. patent 4,488,959 (18 December 1984).
14. R.P. Singh and M.J. Miller, Titanium Extraction and Processing, ed. B. Mishra and G.J. Kiouros (Warrendale, PA: TMS, 1997), pp. 31-43.
15. R.P. Singh, Hydrometallurgy, 62 (2001), pp. 11-21.
16. M.B. MacInnis and T.K. Kim, Proceedings of the Third International Tungsten Symposium Madrid (Shrewsbury, U.K.: MPR Publishing Services Ltd., 1985), pp. 41-51.
17. Lucretia R. Quatrini, Martin C. Vogt, and Brice E. Martin, "Tungsten Recovery from Tungsten Ore Concentrates by Caustic Digestion," U.S. patent 4,353,881 (12 October 1982).
18. Lucretia R. Quatrini, "Tungsten Recovery from Tungsten Ore Concentrates by Caustic Digestion," U.S. patent 4,353,880 (12 October 1982).
19. Lucretia R. Quatrini and Brice E. Martin, "Tungsten Recovery from Tungsten Ore Concentrates by Caustic Digestion," U.S. patent 4,353,879 (12 October 1982).
20. Lucretia R. Quatrini, Marie B. Terlizzi, and Brice E. Martin, "Tungsten Recovery from Tungsten Ore Concentrates by Caustic Digestion," U.S. patent 4,353,878 (12 October 1982).
21. R.P. Singh Gaur, EPD Congress 2006, ed. S.M. Howard et al. (Warrendale, PA: TMS, 2006), pp. 1097-1109.
22. P.B. Queneau and D.K. Huggins, "Autoclave Soda Digestion of Refractory Scheelite Concentrates," U.S. patent 4,320,095 (16 March 1982).
23. E. Lassner, Proceedings of the Second International Tungsten Symposium (London: Mining Journal Books Ltd., 1982), pp. 71-80.
24. P.B. Queneau, L.W. Beckstead, and D.K. Huggins, "Treatment of Sodium Tungstate Liquor Containing Dissolved Silica, Phosphorous and Fluorine Impurities," U.S. patent 4,311,679 (19 January 1982).
25. E. Lassner, Int. J. of Refractory Metals & Hard Materials, 13 (1995), pp. 35-44.
26. M.J. Miller, M.C. Vogt, and R.A. Scheithauer, "Method for Removing Tin from Sodium Tungstate Solution," U.S. patent 4,552,729 (12 November 1985).
27. A.I. Bellingham, "Process for the Separation of Tungsten and Molybdenum," U.S. patent 3,939,245 (17 February 1976).
28. G.S. Smith, "Recovery of Molybdenum and Tungsten from Ores," U.S. patent 2,339,888 (25 January 1944).
29. C.R. Kurtak, "Separation of Molybdenum from Tungsten Values," U.S. patent 3,173,754 (16 March 1965).
30. D.K. Huggins and P.B. Queneau, "Separation of Trace Molybdenum from Tungsten Solutions," U.S. patent 4,303,623 (1 December 1981).
31. 3 Ratio," U.S. patent 4,303,622 (1 December 1981).
32. C.W. Boyer and J.N. Christini, "Recovery of Tungsten Values from Alkali-Tungstate Solutions by Solvent Extraction," U.S. patent 4,360,503 (23 November 1982).
33. M.B. MacInnis, R.P. McClintic, and T.K. Kim, "Recovery of Tungsten Values from Alkali-Tungstate Solutions by Solvent Extraction," U.S. patent 4,360,502 (23 November 1982).
34. T.K. Kim et al., "Recovery of Tungsten Values from Alkali-Tungstate Solutions by Solvent Extraction," U.S. patent 4,374,099 (15 February 1983).
35. A.D. Kulkarni, N.J. Montclair, and J.G. Cleary, "Processing of Ammonium Paratungstate from Tungsten Ores," U.S. patent 4,115,513 (19 September 1978).
36. J.M. Laferty, P.B. Queneau, and L.W. Beckstead, "Ammonium Hydroxide Stripping of Tungstate from Organic Solvent," U.S. patent 4,450,144 (22 May 1984).
37. J.H. Goddard, "Purification of Ammonium Tungstate Solutions," U.S. patent 4,346,061 (24 August 1982).
38. T. Wolfe, "Process for Reducing the Average Size of Ammonium Paratungstate Powders," U.S. patent 5,578,285 (26 November 1996).
39. R.G.W. Gingerich et al., "Process for Recovering Tungsten as an Ammoniacal Tungstate Compound in Which Ammoniacal Tungstate Liquors are Reclaimed," U.S. patent 5,417,945 (23 May 1995).
40. A. Pacz, "Metal and Its Manufacture," U.S. patent 1,410,499 (21 March 1922).
41. M. Fait et al., "Process of Making a Non-Sag Tungsten Wire for Electric Lamps," U.S. patent 5,785,731 (28 July 1998).
42. B.P. Bewlay and C.L. Briant, "The Formation and the Role of Potassium Bubbles in NS-Doped Tungsten," Int. J. of Refractory Metals & Hard Materials, 13 (1995), pp. 137-159.
43. W.D. Coolidge, "Tungsten and Method of Making the Same for Use as Filaments of Incandescent Electric Lamps and for Other Purposes," U.S. patent 1,082,933 (30 December 1913).