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Mining Publication: Copper Exchange Capacity of Clays and Their Potential Effect on In Situ Copper Leaching
Keywords: Clays Copper Leaching
Original creation date: January 1992
Authors: JS Gomer, SW Yopps, SP Sandoval, CC Clark
Report of Investigations - January 1992
Download PDF Document (1.37 MB)
NIOSHTIC2 Number: 10011115
Reno, NV: U.S. Department of the Interior, Bureau of Mines, RI 9396, 1992 Jan; :1-11
The U.S. Bureau of Mines conducted Cu exchange tests for six common clays under simulated in situ leaching conditions. Regression equations were obtained from the data expressing the Cu exchange capacity as a function of Cu concentration, pH, and temperature. Using these equations, an analysis was made of the impact each clay could have on overall Cu recovery. The results suggest that Ca and Na montmorillonite clays could have a major impact on Cu recovery and that attapulgite and illite clays could have a smaller, but still significant, impact. Kaolinite and ripidolite clays pose little threat to loss of Cu from in situ leaching solutions.
Image of publication Copper Exchange Capacity of Clays and Their Potential Effect on In Situ Copper LeachingReport of Investigations - January 1992
Download PDF Document (1.37 MB)
NIOSHTIC2 Number: 10011115
Reno, NV: U.S. Department of the Interior, Bureau of Mines, RI 9396, 1992 Jan; :1-11
See Also
The Availability of Primary Copper in Market Economy Countries: A Minerals Availability Appraisal
Identifying Moisture Sensitive Roof Rocks in Coal Mines
Shear Strength Evaluation of Clay-Rock Mixtures
Technology News 436 - Stope Leaching Reduces Surface Environmental Impacts From Underground Mining
Page last reviewed: October 25, 2016
Page last updated: October 25, 2016
Content source: National Institute for Occupational Safety and Health, Mining Program
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