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EXTRACTION OF COPPER FROM SULPHIDE ORE Large amount of copper are obtained from copper pyrite CuFeS2 by smelting. Ores containing 4 or more copper are treated by smelting process. Very poor ores are treated by hydro-metallurgical process. EXTRACTION OF COPPER BY SMELTING PROCESS Following steps are involved in the extraction of copper.
CopperII ions are deposited as copper on the cathode for the electrode equation, see under the purification of copper below. The anodes for this process were traditionally lead-based alloys, but newer methods use titanium or stainless steel.
The process yields concentrates containing roughly 30 copper, which are sequentially fed to a smelter, a furnace in which most of the some iron and sulfur are removed, then to a converter or converting furnace, where most of the remaining iron and other impurities are removed. Depending on the type of smelting and converting furnace used, as ...
Aug 26, 2015 Copper Mining amp Extraction Process Flow Chart. This flowchart made of machinery icons explains or expresses in simple but clear terms the step of the Copper Mining and Copper Extraction Process. Starting from either open-pit or underground mining and using a different relevant treatment method for oxide or sulphide copper mineral ore.
3MVA Ball Mill used for secondary crushing in the copper extraction process. Included in this report is background information regarding the Kinsevere Project, the principles and processes involved in solvent extraction and electrowinning for copper extraction, and the
Feb 02, 2017 Basic Process Reaction and Design Parameters. The extraction of copper from aqueous solution by the application of organic solvents such as LIX 64N or the Ashland Chemical products Kelex 100 and 120 proceeds chemically, according to the following equation 2RH org. CuSO4 aq. R2Cu org. H2SO4 aq.
Feb 01, 2017 A high coppernickel ratio on the copper loaded organic is obtained by using an extra extraction stage in which copper crowds nickel from the loaded organic, i.e., the copper in an ammoniacal copper and nickel containing solution, when contacted with an organic loaded with nickel, will replace some of the loaded nickel.
Apr 19, 2019 Apr 19, 2019 The actual cost of copper produced by leaching methods is, however, not of so much importance as the fact that ore may be handled in this manner which is not amenable to reduction by any other process. A siliceous oxidized copper ore carrying from 1.5 to 2.0 per cent, metal may be profitably leached under favorable conditions there are no ...
Sep 09, 2021 Sep 09, 2021 What is making our houses, schools, and businesses efficient and convenient Minerals and metals are the most important resources that have uniquely improved our lives. We cant imagine a single day without these resources. Talking about copper, it is considered a conveniently versatile metal with amazing properties like ductility, malleability, conductivity, and many
The copper is then recovered by electrolysis. This process is known as SX-EW solvent extractionelectrowinning. Advantages of these processes are Much less energy is used than in traditional mining. No waste gases are given off. Low capital investment. Ability to be operated economically on a small scale.
Copper Extraction Process plant includes Jaw crushers, conveyor belt, vibrating screen, ball mill, jig machine, spiral classifier, mixing tank, shaking table ...
A process for the extraction of copper from a copper ore or concentrate comprises first subjecting the ore or concentrate to agitation leaching at an elevated temperature and pressure in the presence of oxygen and water to obtain a resulting acidic leach liquor which contains dissolved copper. The acidity of the resulting acidic leach liquor is then reduced by affecting percolation leaching of ...
Jun 07, 2021 Copper can be extracted from non-sulfide ores by a different process involving three separate stages Reaction of the ore over quite a long time and on a huge
The copper extracted from this process is mixed with the slag and is called Matte Copper due to its texture and appearance. This mainly consists of Cu2S which is
Ores containing 4 or more copper are treated by smelting process. Very poor ores are treated by hydro-metallurgical process. EXTRACTION OF COPPER BY SMELTING
Copper can be extracted from non-sulphide ores by a different process involving three separate stages Reaction of the ore over quite a long time and on a huge scale