Abstract
The objective of milling gold ores is to extract the gold for the highest financial return. To recover the maximum amount of gold, the ore must be finely ground in order to liberate the gold particles for gravity separation and/or chemical extraction. Ores yielding acceptable gold recovery (more than 88%) when “normally ground” (60–75% — 200 mesh), by direct cyanide leaching and defined as “amenable” (in contrast to the “refractory” ores, which require extremely fine grinding and/or pretreatment before cyanidation). A general flowchart of the processing steps required to extract gold from its ores is presented in Figure 4-1.
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References
Argall, Jr., G. 0. 1989. Royal/Mountain King Mine brings new technology to the mother lode. Eng. Min. J., October: 40–42.
Butler, L. J., and D. J. Collins 1986. FMC’s Paradise Peak Mill—a gold-silver cyanide and CCD leach mill. Paper presented at the AMC International Mining Show, 5–8 October, at Las Vegas, NV.
Freeport McMoRan Gold Co. 1986. Freeport-McMoRan gold grinding circuit. Paper presented at the 1986 SME-AIME Annual Meeting, New Orleans, LA.
Garner, K. C., N. J. Peperdy, and C. N. Moreton. 1986. Process and process control design using dynamic flowsheet simulation. Min. 0026 Metal. Proc. February: 41–44.
Janish, R. P. 1986. Gold in South Africa. J. S. Afr. I.M.M., (86): 273–316.
Kelly, E. G., and D. Spottiswood. 1982. Introduction to Mineral Processing. New York: J. Wiley 0026 Sons, 127–236.
Laxen, P. A., G. S. M. Becker, and R. Rubin. 1979. Developments in the application of carbon-in-pulp to the recovery of gold from South African Ores. T. S. Afr. I. M M, 79 (11): 315–26.
Nordberg Inc. 1989. Nordberg introduces high-efficiency waterflush crushing. Eng. Min. J., January: 106–107.
Rose, T. K., and W. A. C. Newman. 1937. The Metallurgy of Gold. Philadelphia: J. B. Lippincott Co., 168–87.
Sheya, S. A. N., J. H. Maysilles, and R. G. Sandberg. 1989. Selective electrowinning of mercury from gold cyanide solutions. Paper presented at the 1989 TMS Annual Meeting, 27 February-2 March, at Las Vegas, NV.
Spiller, D. E. 1984. Applications of gravity beneficiation in gold hydrometallurgical systems. Min. 0026 Metal. Proc., August: 118–28.
Staker, W. L., W. W. Simpson, and R. G. Sandberg. 1984. Mercury removal from gold cyanide leach solution. Min. 0026 Metal. Proc., May: 56–61.
Tumilty, J. A., M. J. Wilkinson, and M. P. Collins 1987. The linear screen as classifier in a milling circuit. In Gold Metallurgy, edited by R. S. Salter, D. M. Wyslouzil, and G. W. McDonald. New York: Pergamon Press, 97–104.
Wills, B. A. 1988. Mineral Processing Technology, 4th ed. New York: Pergamon Press, 292–94.
Zadra, J. B. 1950. A Process for the Recovery of Gold from Activated Carbon by Leaching and Electrolysis. U.S.B.M. RI4672
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© 1991 Van Nostrand Reinhold
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Yannopoulos, J.C. (1991). Milling of Amenable Gold Ores. In: The Extractive Metallurgy of Gold. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-8425-0_4
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DOI: https://doi.org/10.1007/978-1-4684-8425-0_4
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