Method for thiosulfate leaching of precious metal-containing...

Details Method for thiosulfate leaching of precious metal-containing... Method for thiosulfate leaching of precious metal-containing...

2006-12-19

2009-06-09

King, Roy (Department: 1793)

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

C423S037000

Reexamination Certificate

active

07544232

ABSTRACT:
Processes are provided for recovering precious metals from refractory materials using thiosulfate lixiviants. The processes can employ heap leaching or lixiviants that include one or more blinding agents.

REFERENCES:
patent: 496951 (1893-05-01), Parkes
patent: 1627582 (1927-05-01), Terry
patent: 3317313 (1967-05-01), Biiggs
patent: 3524724 (1970-08-01), Every et al.
patent: 3902896 (1975-09-01), Borbely et al.
patent: 3979207 (1976-09-01), MacGregor
patent: 4070182 (1978-01-01), Genik-Sas-Berezowsky et al.
patent: 4256706 (1981-03-01), Heinen
patent: 4269622 (1981-05-01), Kerley, Jr.
patent: 4289532 (1981-09-01), Matson et al.
patent: 4296075 (1981-10-01), Yan
patent: 4304644 (1981-12-01), Victorovich et al.
patent: 4369061 (1983-01-01), Kerley et al.
patent: 4384889 (1983-05-01), Wiewiorowski et al.
patent: 4411612 (1983-10-01), Holland
patent: 4411873 (1983-10-01), Yan
patent: 4489984 (1984-12-01), Savins
patent: 4510027 (1985-04-01), Wiewiorowski et al.
patent: 4552589 (1985-11-01), Mason et al.
patent: 4571264 (1986-02-01), Weir et al.
patent: 4585561 (1986-04-01), Zlokarnik et al.
patent: 4605439 (1986-08-01), Weir
patent: 4632701 (1986-12-01), Genik-Sas-Berezowsky et al.
patent: 4634187 (1987-01-01), Huff et al.
patent: 4654078 (1987-03-01), Perez et al.
patent: 4654079 (1987-03-01), Nunez et al.
patent: 4684404 (1987-08-01), Kalocsai
patent: 4721526 (1988-01-01), Elmore et al.
patent: 4723998 (1988-02-01), O'Neil
patent: 4738718 (1988-04-01), Bakshani et al.
patent: 4740243 (1988-04-01), Krebs-Yuill et al.
patent: 4765827 (1988-08-01), Clough et al.
patent: 4778519 (1988-10-01), Pesic
patent: 4801329 (1989-01-01), Clough et al.
patent: 4816234 (1989-03-01), Brison et al.
patent: 4816235 (1989-03-01), Pesic
patent: 4902345 (1990-02-01), Ball et al.
patent: 4913730 (1990-04-01), Deschenes et al.
patent: 4923510 (1990-05-01), Ramadorai et al.
patent: 4925485 (1990-05-01), Schulze
patent: 4980134 (1990-12-01), Butler
patent: 5071477 (1991-12-01), Thomas et al.
patent: 5114687 (1992-05-01), Han et al.
patent: 5127942 (1992-07-01), Brierley et al.
patent: 5147617 (1992-09-01), Touro et al.
patent: 5147618 (1992-09-01), Touro et al.
patent: 5215575 (1993-06-01), Butler
patent: 5232490 (1993-08-01), Bender et al.
patent: 5236492 (1993-08-01), Shaw et al.
patent: 5244493 (1993-09-01), Brierley et al.
patent: 5246486 (1993-09-01), Brierley et al.
patent: 5308381 (1994-05-01), Han et al.
patent: 5326486 (1994-07-01), Mizui
patent: 5338338 (1994-08-01), Kohr
patent: 5354359 (1994-10-01), Wan et al.
patent: 5364453 (1994-11-01), Kohr
patent: 5405430 (1995-04-01), Groves et al.
patent: 5443621 (1995-08-01), Kohr
patent: 5484470 (1996-01-01), Kristjansdottir et al.
patent: 5489326 (1996-02-01), Thomas et al.
patent: 5536297 (1996-07-01), Marchbank et al.
patent: 5536480 (1996-07-01), Simmons
patent: 5607619 (1997-03-01), Dadgar et al.
patent: 5626647 (1997-05-01), Kohr
patent: 5653945 (1997-08-01), Gathje et al.
patent: 5785736 (1998-07-01), Thomas et al.
patent: 5876588 (1999-03-01), Lalancette et al.
patent: 5939034 (1999-08-01), Virnig et al.
patent: 6183706 (2001-02-01), King
patent: 6197214 (2001-03-01), Virnig et al.
patent: 6251163 (2001-06-01), King
patent: 6344068 (2002-02-01), Fleming et al.
patent: 6368381 (2002-04-01), King et al.
patent: 6451275 (2002-09-01), Fleming
patent: 6500231 (2002-12-01), Wan
patent: 6602319 (2003-08-01), Murthy et al.
patent: 6632264 (2003-10-01), Zhang et al.
patent: 6660059 (2003-12-01), Ji et al.
patent: 2002/0092377 (2002-07-01), Ji et al.
patent: 2003/0154822 (2003-08-01), Hall et al.
patent: 2004/0035252 (2004-02-01), Ji et al.
patent: 2004/0206207 (2004-10-01), Ji et al.
patent: 574818 (1986-06-01), None
patent: 4576985 (1986-06-01), None
patent: 199918525 (1999-09-01), None
patent: 200131355 (2001-10-01), None
patent: 200232990 (2002-10-01), None
patent: 2209559 (1998-01-01), None
patent: 2 315 480 (2001-02-01), None
patent: 1215-93 (1995-01-01), None
patent: 1019-00 (2001-04-01), None
patent: 759-01 (2001-12-01), None
patent: 0 316 094 (1989-05-01), None
patent: 0 522 978 (1993-01-01), None
patent: 1433860 (2004-06-01), None
patent: 1378052 (1974-12-01), None
patent: 1423342 (1976-02-01), None
patent: 2180829 (1987-04-01), None
patent: 2310424 (1997-08-01), None
patent: 61127834 (1984-06-01), None
patent: 60208434 (1985-10-01), None
patent: 61127833 (1986-06-01), None
patent: 81261 (1983-02-01), None
patent: 1284942 (1984-12-01), None
patent: 1279954 (1985-04-01), None
patent: WO 90/15887 (1990-12-01), None
patent: WO 91/11539 (1991-08-01), None
patent: WO 94/06944 (1994-03-01), None
patent: WO 95/04164 (1995-02-01), None
patent: WO 97/49474 (1997-12-01), None
patent: WO 99/13116 (1999-03-01), None
patent: WO 01/23626 (2001-04-01), None
patent: WO 01/36333 (2001-05-01), None
patent: WO 01/42519 (2001-06-01), None
patent: WO 01/88212 (2001-11-01), None
patent: WO 02/27045 (2002-04-01), None
patent: WO 03/080879 (2003-10-01), None
patent: WO 2004/005556 (2004-01-01), None
patent: WO 2005/017215 (2005-02-01), None
patent: 770840 (1978-01-01), None
Abbruzzese, C. et al.; “Thiosulphate Leaching for Gold Hydrometallurgy.”Hydrometallurgy, vol. 39 (1995), pp. 265-276.
Abbruzzese, C. et al.; “Nuove Prospettive Per II Recupero Dell'oro Dai Mineralia: La Lisciviazione Con Tiosolfata,”l'industria mineraria, No. 4 (1994), pp. 10-14.
Ablimt, Ablet et al.; “Study on Intensified Leaching of Gold with Thiosulfate,”Xingjiang Res. Inst. of Chemistry; PRC, vol. 20 (1) (1999), pp. 39-41.
Adams, M.D. et al.; “Characterization and Blinding of Carbonaceous Preg-Robbers in Gold Ores”, Minerals Engineering, Pregamon Press, Oxford, Great britain, vol. 11, No. 10, Oct. 1998, pp. 919-927.
Agadzhanyan et al.; “Kinetics of Ion Exchange in Selective Systems. II. Kinetics of the Exchange of Differently charged Ions in a Macroporous ion Exchanger”; Published in the Russian Journal of Physical Chemistry; 61(7); 1987; pp. 994-997.
Atluri et al.; “Recovery of Silver from Ammoniacal Thiosulfate Solutions”; Published in Proceedings of a Symposium on Precious and Rare Metals held in Albuquerque, NM; Apr. 6-8, 1988, pp. 290-305.
Atluri, Vasudeva Prasad; “Recovery of Gold and Silver from Ammoniacal Thiosulfate Solutions Containing Copper by Resin ion Exchange Method”; A Thesis Submitted to the Faculty of the Department of Materials Science and Engineering at the University of Arizona, 1987, 219 pages.
Anzhang, Mao et al.; “One-Step Leaching of Some Refractory Gold Concentrate Containing Arsenic and Theory Analysis,”J. Cent. South Univ. Technol., vol. 4, No. 2 (Nov. 1997).
Awadalla, F.T. et al.; “Recovery of Gold from Thiourea, Thiocyanate, or Thiosulfate Solutions by Reduction-Precipitation with a Stabilized Form of Sodium Borohydride,”Separation Science and Technology, vol. 26, No. 9 (1991), pp. 1207-1228.
Aylmore et al., “Thermodynamic Analysis of Gold Leaching by Ammoniacal Thiosulfate Using Eh/pH Speciation Diagrams”; Minerals & Metallurgical Processing, vol. 8, No. 4, Nov. 2001; pp. 221-227.
Bagdasaryan, K.A.; “A Study of Gold and Silver . . . ”Izvestila Vysshikh Uchebnykh Zavedenii Tsvetnaia Metallurglia, vol. 5, (1983), pp. 64-68.
Balasanian, Ion et al.; “Modeling A Process for Sodium Thiosulfate Production from Sulfite and Sulfur,”Revista de Chimie, vol. 26, No. 6 (1975), pp. 475-479.
Bartels, K.; “Chemical Abstract Index Compilation for Thiosalts and Related Compounds,” CANMET Mineral Sciences Laboratories Report MRP/MSL 77-214 (TR) (Nov. 1978), pp. 1-5, A1-A17.
Bartlett; “Metal Extraction from Ores by Heap Leaching”;Metallurgical and Materials Transactions B; vol. 28B, No. 4, Aug. 1997; pp. 529-545.
Benedetti, Marc and Boulegue; “Mechanism of Gold Transfer and Deposition in a Supergene Environment,”Geochimica Et Cosmochimica Acta, vol. 55 (1991), pp. 1539-1547.
Berezowsky, R.M.G.S. et al.; “Recovery of Gold and Silver from Oxidation Leach Residues by

Affiliated with

Also associated with

Rating

Method for thiosulfate leaching of precious metal-containing... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for thiosulfate leaching of precious metal-containing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for thiosulfate leaching of precious metal-containing... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4066075