This application claims priority from U.S. provisional application Ser. No. 60/017,527 filed May 10, 1996, the disclosure of which is incorporated herein by reference.
Number | Name | Date | Kind |
---|---|---|---|
3428449 | Swanson | Feb 1969 | |
3907966 | Skarbo | Sep 1975 | |
3952775 | Ogata | Apr 1976 | |
4006216 | Ettel et al. | Feb 1977 | |
4020105 | Ackerley et al. | Apr 1977 | |
4020106 | Ackerley et al. | Apr 1977 | |
4029704 | Anderson | Jun 1977 | |
4083915 | Hubred et al. | Apr 1978 | |
4085146 | Beswick | Apr 1978 | |
4105743 | Reinhardt et al. | Aug 1978 | |
4160807 | Virnig et al. | Jul 1979 | |
4234546 | van der Zeeuw et al. | Nov 1980 | |
4507268 | Kordosky et al. | Mar 1985 | |
4544532 | Kordosky et al. | Oct 1985 | |
4582689 | Kordosky | Apr 1986 | |
4975253 | Monzyk et al. | Dec 1990 | |
5470552 | Kordosky et al. | Nov 1995 | |
5571308 | Duyvesteyen et al. | Nov 1996 |
Number | Date | Country |
---|---|---|
1322532 | Jul 1973 | GBX |
WO9641029 | Dec 1996 | WOX |
Entry |
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Minerals Sci. Engineering, vol. 5, No. 1, Jan. 1973, pp. 36-52. |
International Laterite Symposium, "Heterogenous Equilibria in Ammonia/Laterite Leaching Systems", Osseo-Asre et al., SME New York, Dec. 1979, pp. 585-609. |
Mining Engineering, "Use of pH Control in Solvent Extraction Circuits", SME New York, Mar., 1981, pp. 291-299. |
AIME Annual Meeting, "Recovery of Nickel by Liquid Ion Exchange Technology", Merigold et al, Feb. 25-Mar. 2, 1973. |
USBM R1 8605, Solvent Extraction of Nickel and Copper From Laterite-Ammoniacal Leach Liquors, Nilsen et al, Dec. 1982. |
ISEC, "Nickel Cobalt Separation by Ammoniacal Solvent Extraction: The Operating Experience", Skepper et al., University of Melbourne, pp. 777-782 (No Date). |
Hydrometallurgy, "The SEC Nickel Process", Eliason et al, Oct., 1973, pp. 82-86. |