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15 cards from this deck
Extractive metallurgy using high-temp processes to extract valuable metals from ores
Unwanted materials separated from metals during extraction
500−2000°C500-2000°C500−2000°C
Process where exothermic reactions sustain the temperature
Thermal decomposition of material by heating, driving off volatiles
Thermal gas-solid reactions; commonly oxidation of metal sulfide ores
Complete oxidation of sulfide with excess oxygen
Thermal reactions where at least one product becomes molten
Coke or charcoal (carbon sources)
Removes impurities from materials through thermal processes
Calcining, Roasting, Smelting, Refining
Iron, copper, zinc, chromium, tin, manganese
High temperatures dramatically accelerate chemical reactions
Metal oxide and SO2SO_2SO2 gas
Help separate impurities into slag
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