There was a continual increase in ball mill lubrication oil consumption. However, visual inspections could not confirm the presence of a trunnion oil seal leak.
The Red Dog zinc/lead deposit in northwest Alaska is the second largest zinc deposit ever discovered. Being developed by Cominco Alaska with startup scheduled for
Slags generated by the ferrous-metals industry can be used to produce high-tech ceramic materials. The properties of these ceramics can be controlled by judicious choices
Copper oxide deposits that may be considered for in situ leaching exist in unique geologic settings, different from uranium deposits. A large number of interrelated
In July 1985, as the U.S. copper industry contracted and the Mexican industry expanded, a transborder pollution agreement was signed which included smelter air pollution
Over 25 years ago, SKEGA pioneered the use of rubber linings in grinding mills and rubber is today widely accepted and almost standard material chosen
Improvement of current leaching technology was found necessary when processing ores which are more difficult to leach because they generate highly viscous, air-rejective pulps. Cyanidation
Data from analysis of mineralogy, water extracts, and groundwater demonstrate the significance of the neutralization of the acid from the tailings by the carbonate in
The application of drip irrigation in Heap Leach, has been proven to be a significant improvement over conventional spray irrigation techniques. While still under evaluation, it
The effect of fluoride inclusions on the properties of titanium produced from the Bureau of Mines developed induction slag melting process is of concern to