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A smelter's real product list is longer than copper: sulfuric acid, gold, silver, selenium and platinum-group metals all come out of the same anode slimes.
Smelter · Spain
Atlantic Copper Smelter, Huelva
One of Europe's largest single-site copper smelters.
Casting floor of copper blast furnace.png ·
Donald M. Levy ·
Public domain
· Wikimedia Commons
