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Copper Ore Cencentration Process

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US3845862A

Oxide copper ores in subdivided form may be concentrated in a flotation separation process by slurrying said ores in an aqueous solution of a flotation reagent followed by generating gas bubbles in the slurry to float the oxide copper and recovering the concentrated oxide copper from the surface of the slurry wherein the flotation reagent is a quaternary hydrocarbyl ammonium or phosphonium halide salt

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The Extraction of Copper

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 scale) with a dilute acid such as dilute sulfuric acid to produce a very dilute copper(II) sulfate solution Concentration of the copper(II) sulfate solution by solvent extraction

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Copper Mining and Extraction: Oxide Ores

The process used to treat sulfide copper ores begins at the mine site where the copper-bearing minerals are physically separated from the rest of the rock The flow diagram below shows how the percentage of copper increases as the ore is refined first physically by froth flotation then chemically by smelting and finally electrolytic refining

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Electrorefining of Copper

The process for electrorefining copper is typical of those carried out in aqueous solution The electrolyte is copper sulfate (0 7 molar) and sulfuric acid (2 molar) and the way in which the purification of the copper occurs can be seen by considering the metals likely to be found as impurities :

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Copper Mining and Extraction: Sulfide Ores

The world's largest copper ore deposits are found in Chile on the west coast of South America This is due to the volcanic activity that is part of the process that created the Andes mountain chain

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Copper Flotation

The copper ore slurry from the grinding mills is mixed with milk of lime (simply water and ground-up limestone) to give a basic pH pine oil (yes it comes from trees -- a by-product of paper mills) to make bubbles an alcohol to strengthen the bubbles and a collector chemical called potassium amyl xanthate (or the potassium salt of an alkyl

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1 Froth Flotation – Fundamental Principles

Table 1: Grade/recovery performance of a hypothetical copper ore flotation process Product % Weight % Cu Assay Feed 100 2 09 Concentrate 10 20 0 Tailings 90 0 1 (a) From Table 1 the Ratio of Concentration can be calculated as F/C = 100/10 = 10 If only

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Copper

a) concentration of the ore b) conversion of the sulfides and other copper compounds to copper c) purification of copper (a) Concentration of the ore The ore is enriched by froth flotation (Figure 4) The powdered ore is mixed with oil and agitated with water in a

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Dissolution of copper and iron from malachite ore and

The present work describes an investigation of a chemical process for the recovery of copper and iron from malachite ore For the dissolution of copper and iron H 2 SO 4 was employed as well as H 2 O 2 as an oxidizing agent The effects of reaction temperature and time acid concentration liquid-to-solid ratio and agitation rate on the copper and iron percentage were investigated

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Water Consumption at Copper Mines in Arizona

copper from oxide ores since the 1960s and since the 1980s some secondary sulfide ores such as chalcocite can also be treated in this manner Figure 1 shows one possible flowsheet for the leaching process The process can involve crushing the ore and then binding it or the ore can be directly placed on

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what is copper concentration process

Copper ore concentration plants The process of extracting copper from copper ore varies according to the type of ore and the desired purity of the final product

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Innovations: Introduction to Copper: Mining Extraction

The barren rock or gangue has to be separated from the sulfide minerals in order to smelt the metallic copper from the ore By far the greatest proportion of copper is extracted from the sulfides of copper iron and sometimes other metals Such ores originate from sulfur-bearing volcanic magmas which have separated into metal sulfides and siliceous melts

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US1360666A

In extracting copper from its ores the process of adding finely divided metallized iron ore to an ore pulp containing copper in solution and then separating the precipitated metallic copper and other metals and sulfids present from the gangue by flotation concentration

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A STUDY OF LEACHING OF COPPER OXIDE ORE BY SULPHURIC

Mexican copper ore is a mixed ore containing mainly copper oxide and some copper sulfide that responds well to flotation The joint techniques of flotation and leaching were studied

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Extraction Of Copper

Copper Mining: The commonest ore used in the extraction of copper is Chalcopyrite (CuFeS 2) also known as Copper Pyrites and other such sulfides The percentage of copper in the actual ore is too low for direct extraction of copper to be viable The concentration of ore is required and it is done by the Froth Flotation method

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OSWER May 2012

Copper and gold mines comprise 80% of the facilities in the United States Ore Concentration Crushing grinding in ball mills then froth floatation A concentration process commonly used for sulfide ores of copper lead and zinc is

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Flotation Froth

The concentration process recovers 80–90% of the metal content of the ore feed The discarded gangue may still contain ca 0 05% copper which may or may not be processed further to recover additional copper values (Section 13 5 2) Figure 13 4 A cutaway drawing of a froth flotation unit for the concentration of copper ores with a detail

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1 Froth Flotation – Fundamental Principles

Table 1: Grade/recovery performance of a hypothetical copper ore flotation process Product % Weight % Cu Assay Feed 100 2 09 Concentrate 10 20 0 Tailings 90 0 1 (a) From Table 1 the Ratio of Concentration can be calculated as F/C = 100/10 = 10 If only

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How copper is made

The process of extracting copper from copper ore varies according to the type of ore and the desired purity of the final product Each process consists of several steps in which unwanted materials are physically or chemically removed and the concentration of copper is progressively increased

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COPPER Copper production

ores are processed directly to impure black copper ( 95 wt % Cu) and to a copper-rich slag The The two ore types can be smelted together to produce matte and a slag with low copper content

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copper ore concentration process in australia

copper ore beneficiation process in australia Ore Processing Plant Design | Ore Processing Plant cost Ore copper ore concentration plant HOT SALE Min Order: Learn More Copper ore concentration plants The process of extracting copper from copper ore varies according to the type of ore and the desired purity of the final product

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Copper Flotation

The copper ore slurry from the grinding mills is mixed with milk of lime (simply water and ground-up limestone) to give a basic pH pine oil (yes it comes from trees -- a by-product of paper mills) to make bubbles an alcohol to strengthen the bubbles and a collector chemical called potassium amyl xanthate (or the potassium salt of an alkyl dithiocarbonate)

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copper ore concentration process in australia

copper ore concentration process in australia Copper extraction Most copper ores contain only a small percentage of copper metal bound up within valuable ore minerals with the remainder of the ore being unwanted rock or gangue Get Price ball grinding mill australia spitsid

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Copper Refining: From Ore to Market

The copper is concentrated further by slurrying the ground ore with water and chemical reagents In this process air is blown through the mixture and the copper floats to the top

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Processes of Ore Formation

Processes of Ore Formation Current theories of the genesis of ore deposit can be divided into internal (endogene) and external (exogene) or surface processes It must be understood that more than one mechanism may be responsible for the formation of an ore body

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400tpd Copper Oxide Ore Concentration Process Plant

Equipment commonly used for copper ore processing includes: Jaw crusher fine crusher ball mill electronic feeder spiral classifier mixing tank flotation machine The models for each machine is based on production capacity Concentration Process for Copper Oxide Ore Selecting: 1 Crushing and Grinding stage The extracted ore should be crushed by jaw crusher initially and then by fine crusher

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Copper mining From ore to copper

The copper is recovered by electrolytic refining Advantages of this process are: much less energy is use than in traditional mining no waste gases are given off it can be used on ores with as little as 0 1% copper - for this reason leaching extraction is growing in importance

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concentrator process copper ore

Copper processing is a complied process that begins with mining of the ore (less than 1% copper) and ends with sheets of 99 99% pure copper called hodes which will ultimately be made into products for everyday use The most common types of ore copper oxide and copper

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Chapter 6 Copper Production Technology

Copper Production Technology The last boomin technological innovation for the copper industry occurred in the first two dec-ades of this century whenopen pit mining flo- tation concentration and the reverberatory smelter were adapted to porphyry copper ores With the exception of leaching-solvent extrac-tion-electrowinning the basic methods

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Bioleaching

Bioleaching is the extraction of metals from their ores through the use of living organisms This is much cleaner than the traditional heap leaching using cyanide Bioleaching is one of several applications within biohydrometallurgy and several methods are used to recover copper zinc lead arsenic antimony nickel molybdenum gold silver and cobalt

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copper ore process concentrate

Figure 4 Concentration of copper ore by froth flotation (b) Conversion of the sulfides and other copper compounds to copper The conversion is done by several methods: i) by roasting copper sulfide ores ii) the leaching process iii) the bacterial method (i) By roasting copper sulfide ores

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