anode copper

anode copper

[′a‚nōd ‚käp·ər]
(metallurgy)
Slabs of refined blister copper used as anodes in the electrolytic refining of copper.
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In total, Asarco's three open-pit mines and the Hayden smelter in Arizona produce 300-350 million lb (663-774 kt) of anode copper annually.
With the furnaces and converters, more than 300,000 t of anode copper can be produced annually from copper matte.
Some specific topics include heat exchange within the working space of an electric nickel anode refining furnace, new casting methods for anode copper, pyrometallurgical refining of copper in an anode furnace, and minor element control by vacuum calcination and recycling of copper smelter dust.
Anode copper is produced which is then refined into cathode under a tolling arrangement ahead of sale to other parties.
Exports of copper concentrates ceased in 1983 and current exports include around 30,000 t/y of anode copper, 15,000 t of cathod copper, plus about 2,900 t/y of molybdenum concentrates.
Thus in 1990, output comprised 92,000 t of anode copper of which some 30,000 t were exported.