Environmental Engineering Reference
In-Depth Information
TABLE 4.3
Various Means of Referring to the Size of Mine Operations
- All of these capacities are interrelated and any
change in one quantity will affect others
Annual Capacity
Daily Capacity (Tons per Day)
100,000 tons per year of copper
400,000 tons of concentrate (25% copper content)
1,100 TPD (shipped to smelter)
20 million tons of ore (0.5% grade ore)
55,000 TPD (mill capacity)
60 million tons of material moved (2-to-1 stripping ratio)
165,000 TPD (mine capacity)
Source:
Based on Navin 1978
FIGURE 4.12
From Liberalization to Separation to
Final Product
IN PIT TESTING
Drilling
COPPER ORE
The economic viability of an ore
deposit depends not only on the
quantity and quality of accessible ores,
but also on the ease with which
valuable products can be extracted.
MINE
WASTE
LIBERALIZATION
Waste
Rock
Grinding
Blasting
Crushing
SEPARATION
Tailings
Filtering/Drying
Flotation
Thickening
MINERAL PROCESSING
FINAL
PRODUCT
Slag
Converting
Smelting
Refining
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