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5a. The Extraction of Lead. Because its position in the reactivity series of metals, lead can be extracted using carbon (coke) in a smelting furnace.
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This irregularity led to the construction of a small electrically heated roasting furnace, ... and gold, which must be ... or by forcing the roaster gas through the ...
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Roasted gold ore from ... Roasting consists of thermal gas–liquid ... The sulfide ores of copper are heated in the reverberatory furnace. If ore contain ...
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Process. Material input. Air emissions. Process wastes. Other wastes. Copper concentration. Copper ore, water, chemical reagents, thickeners : Flotation wastewaters
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