The slag from fire refining in acid furnace contains 15-40010 SiO2, 5-10°, Fe as silicates and ferrites and oxides of zinc nickel, etc The copper content of slag is 35-45°° remainder as metal drops The slag from fire refining in basic furnace contains 50-75% copper, and usually not over 5-100 0 SO-.
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Copper Refining: From Ore to Market | Investing News Network
The sulfide concentrates are typically smelted in such furnaces as the Outokumpo or Inco flash furnace or the ISASMELT furnace to produce matte, which must be converted and refined to produce anode copper Finally, the final refining process is electrolysis For economic and environmental reasons, many of the byproducts of extraction are reclaimed
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Alibaba offers 293 copper refining furnace products About 57% of these are industrial furnace, 1% are laboratory heating equipments A wide variety of copper refining furnace options are available to you, such as melting furnace, sintering furnace
DEVELOPMENTS IN COPPER SMELTING AND REFINING , Fuel fired reverberatory furnace dominated Cu smelter production in 1976 – 60% of Cu by this technology , •Chile is the world’s largest copper mine producer •China is the world’s largest smelting country
Nov 21, 2016· The Largest Copper Smelters A look at the biggest copper refiners Share Pin Email , Owned and operated by China's largest copper producer, Jiangxi Copper Corporation, Guixi smelter is located in Jiangxi province , The Amarillo Refinery in northern Texas employs over 300 staff, refining copper cathode and nickel sulfate The copper .
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nickel, selenium, sulfur, tellurium, and zinc Fire refining and electrolytic refining are used to purify blister copper even further In fire refining, blister copper is usually mixed with flux and charged into the furnace, which is maintained at 1100°C (2010°F) Air is blown through the molten mixture to
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8 The blister copper is heated in a refining furnace, which is similar to a converter described above Air is blown into the molten blister to oxidize some impuriti A sodium carbonate flux may be added to remove traces of arsenic and antimony
refining In fire refining, molten blister copper is placed in a fire-refining furnace, a flux may be added, and air is blown through the molten mix-ture to remove residual sulfur Air blowing re-sults in residual oxygen, which is removed by the addition of natural gas, propane, ammonia, or wood The fire-refined copper is cast into an-
Scrap Copper Smelting in China P6 Conditions of Access for the Copper Smelting Industry(30June,2014) Project New scrap copper plant Existing scrap copper plant Cu capacity（kt/a） ≥100 ≥50 Process rotary anode furnace, top-blown rotary
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