بيت /pyrometallurgical process of copper
The CESL Copper Process is as a medium temperature pressure leach for sulphide concentrates in the presence of chloride catalytic ions (12 g/L). In most cases a light regrind of the mill concentrate is necessary to reduce particle size.
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Nov 26, 1974· A pyrometallurgical process for producing metallic copper from copper sulfide concentrates, comprising substantially continuously feeding a copper sulfide concentrate and a flux therefor into a conventional, airblow, copper converter vessel, said vessel containing a high quality, molten bath that, except for accumulating slag and still ...
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Aug 23, 2003· In the pyrometallurgical production of socalled blister copper, copper matte and/or secondary raw materials, for example, are used as raw materials. The aim is to produce the socalled blister copper in a purity of at least 96 wt. %, preferably over 99 wt. %.
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desulfated copper converter flue dust into metal phase and to concentrate copper and silver in a matteslag phase. The factors that determine the process are – temperature, reac tion time, amount and type of the soda and the reducer. All pyrometallurgical experiments were carried out with 80 % desulfated convertor dust in soda ash smelt in an
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He has developed custom process flow diagrams to utilize mineral resources that otherwise were dormant, developed new operating procedures, introduced new additives and different slag and metal chemistries to improve the efficiencies and reduce electrical energy consumption in metallurgical plants, introduced different furnace technology in the ...
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The pyrometallurgical processing of copper varies worldwide with respect to the charge materials, process, operating parameters, and the physical shape, size, and orientation of the vessel. Plant operations may be either batch, semicontinuous, or fully continuous to produce blister copper or .
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pyrometallurgical process for copper minerals. Copper Smelting Process Furnaces Used, ByProducts, and . Sulphuric dioxide gas is created in smelting copper process and is converted sulphuric acid which is used in some the remainder being gangues or unwanted minerals.
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The most important target is the pyrometallurgical separation of lead and copper and the enrichment of precious metals. Byelements still existing during copper production, such as lead, bismuth, antimony and tellurium, are separated in the connected lead refinery and sold as lead bullion, leadbismuth alloy, antimony concentrates and tellurium concentrates.
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The major disadvantage of a pyrometallurgical process is the energy consumption of drying and smelting of nodules, however, less extensive downstream processing to recover valuable metals and the possibility of manganese recovery from slag can possibly outweigh these disadvantages [9,11].
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Abstract. Conventional metal recycling processes are often based on the primary process routes, meaning that pyrometallurgical processes are applied for the recycling of copper, lead and steel. Metal casings, external cables and other materials (made of aluminum, steel or copper), separated from WEEE by hand sorting/disassembly,...
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Nearly all cobalt is found associated with ores of copper, nickel, or coppernickel. In the coppercobalt ore bodies of central Africa and Russia, cobalt occurs as sulfides (carrollite, linnaeite, or siegenite), the oxide minerals heterogenite (hydrated cobalt oxide) and asbolite (a mixture of manganese and cobalt oxides), and the carbonate sphaerocobaltite.
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The annual technology of pyrometallurgical production of copper in the RTB average mean of relative air humidity is 73% while the atmospheric Bor. pressure is 971 mbar. WNW wind prevailing wind velocity with an Namely, combustion of FeS2 and CuFeS2 releases SO2 which is average of m/s with the period without wind of over 50%. partly or ...
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Essentially, the intec copper process consists of the three sequential circuits: leaching, purification and electrowinning. A simple flow diagram for the intec copper process is shown in Fig. 6. The Cuprex Process The cuprex process leaches chalcopyrite concentrate at atmospheric pressure with ferric chloride solution in two stages.
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A copper converting process starting with white metal or a mixture of white metal and metallic copper in which oxidizing gas contacts the molten copper mass either at or near the top surface of the molten mass while the mass is sparged with an inert gas from at or near the bottom of the mass and sparging is continued after contact with the oxidizing gas ceases.
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Feb 20, 2018· The copper metal reacts with oxygen, resulting in the formation of an outer layer of copper oxide, which appears green or bluishgreen in color. This layer is known as the patina. Unlike other destructive oxidation processes, the patina acts as a protective layer, and it does not cause any weakness in the metal.
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Dec 04, 2012· Copper extraction – Academic Kids. Given that as of 2005 chalcopyrite is the most widely mined copper mineral, the pyrometallurgical approach is the most common process for copper extraction. »More detailed
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