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sulfide ore grinding copper

sulfide ore grinding copper

Copper Sulfide Flotation - 911 Metallurgist

2016-04-13  Sulphide copper ores generally occur with pyrite, pyrrhotite, arsenopyrite and molybdenite, and with gold and silver. A complete copper-iron separation may not always be essential for the maximum economic recovery and often is tied to the distribution of the gold and silver values. Flowsheet for treatment of Copper Sulfide ores

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copper sulfide ore, copper sulfide - Xinhai

2021-04-15  Grinding fineness is an important factor affecting the beneficiation index of copper sulfide ore.If the grinding particle size is too fine, the ore is easy to be over-crushed, which affects the separation process and increases the grinding cost.If the grinding particle size is too coarse, the copper minerals will not be effectively dissociated, which will affect the recovery rate and the ...

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AN INVESTIGATION OF COPPER RECOVERY FROM A SULPHIDE

improvement of sulphide-oxide copper ores processing through the use of mixed collector systems has surged. The flotation of a natural porphyry copper ore with bornite and malachite was investigated via fundamental work with pure minerals and a bench-scale testing regime. The processing of the test ore was problematic due to a mineral assemblage that caused prevalent slime generation ...

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Coarse-particle flotation applied to copper sulfide ores

for copper sulfide ores is around 4. For example, if you had a marginal mineral with a head grade in the coarse fraction of 0.25% Cu, the coarse pre-concentrate would have a grade of around 1% Cu. This pre-concentrate will need to be dewatered, and then go to coarse regrinding for

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Copper Mining and Extraction Sulfide Ores

The smelter for sulfide ores produces sulfur dioxide gas. This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide ores. Scrubbing sulfur dioxide also

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Segregation Process of Mixed Sulphide Copper Ore

2016-05-21  CONCENTRATE DEWATERING Sulphide copper ores are normally concentrated by flotation while the oxide ores undergo hydrometallurgical treatments. The mixed sulphide-oxide copper ores may be processed by combined methods such as flotation followed by leaching and precipitation of the oxidized portion, or vice-versa.

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Copper Hydromet Gaining Ground for Sulphide Ores..

FOR SULPHIDE ORES Hydrometallurgical processes for treating copper sulphide ore and concentrates are gaining ground, with significant new projects under construction and in the pipeline. The following is a brief review of current developments involving pressure oxidation, bio-oxidation, chloride leaching and ferric leaching technology. Pressure Oxidation Phelps Dodge are constructing a ...

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Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...

The nickel-copper sulphide ore used in this study was supplied by Trojan Nickel Mine located in ... pyrrhotite (41.2%) and quartz (4.6%), Fig.1. The ore which was supplied in lumpy form was subjected to crushing and grinding. The ore was ground to 70% passing 75 microns. Chemical analysis of this ore is shown in Table 1. 1% solutions of all flotation reagents i.e. collector (SIPX- sodium ...

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Guides For High-sulfide Gold Processing

2020-03-17  First, the optimal grinding size and centrifugal force are determined by the ore grinding fineness test and centrifugal force field test. Then, the process of using two roughing and one concentrating, middle ore returned to the roughing operation for reprocessing is used for high sulfide

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Coarse-particle flotation applied to copper sulfide ores

for copper sulfide ores is around 4. For example, if you had a marginal mineral with a head grade in the coarse fraction of 0.25% Cu, the coarse pre-concentrate would have a grade of around 1% Cu. This pre-concentrate will need to be dewatered, and then go to coarse regrinding for

Get Price

Copper Hydromet Gaining Ground for Sulphide Ores..

FOR SULPHIDE ORES Hydrometallurgical processes for treating copper sulphide ore and concentrates are gaining ground, with significant new projects under construction and in the pipeline. The following is a brief review of current developments involving pressure oxidation, bio-oxidation, chloride leaching and ferric leaching technology. Pressure Oxidation Phelps Dodge are constructing a ...

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The effect of grinding conditions on the flotation of a ...

2003-11-01  The grinding conditions affect significantly the subsequent flotation stage of this sulphide copper ore. The presence of iron ions in the slurry is deleterious to the flotation of copper minerals and may be avoided by the utilisation of lined mills and non-ferrous or corrosion resistant grinding media, such as stainless steel or pebbles.

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Mining Industry Copper Sulfide Ore and Flotation Process ...

2019-07-09  1 Types of copper sulfide ore (1) Single copper mineral Its ore characteristic is relatively simple, and the only useful component that can be recycled is copper. The gangue minerals are mainly quartz, carbonate and silicate. (2) Copper-sulfur ore Called copper-bearing pyrite. In addition to copper minerals, iron sulfide can be recovered, and the main mineral of sulfur is pyrite.

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Heap Leaching Oxide and Sulfide Copper Ores

2019-06-22  In this study, several different types of copper oxide and oxide sulfide ores have been tested under laboratory conditions and two ores have been tested under field heap-leaching conditions. Areas of study include (1) what constitutes an ultimate economic recovery, (2) the effect of time of contact, particle size, solution strength and type, and ore and gangue mineral species type on the ...

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Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...

The nickel-copper sulphide ore used in this study was supplied by Trojan Nickel Mine located in ... pyrrhotite (41.2%) and quartz (4.6%), Fig.1. The ore which was supplied in lumpy form was subjected to crushing and grinding. The ore was ground to 70% passing 75 microns. Chemical analysis of this ore is shown in Table 1. 1% solutions of all flotation reagents i.e. collector (SIPX- sodium ...

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FLOTATION OF COPPER-NICKEL SULFIDE ORES - DAVID WESTON

Referring to the drawing, in this preferred procedure which is applied to the flotation of copper and nickel sulphides from its ore, the wet grinding and first conditioning step are carried out simultaneously, the ore being fed to a wet grinding system together with a wetting agent, at least one alkaline reagent, and an activator for the nickel sulphide minerals, namely copper sulphate. When ...

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Copper Ore Types: Sulfides vs. Oxides An Investor's ...

2020-11-09  Copper sulfide ores are typically the most profitable copper ore type to mine. That is because they have high copper content, and the copper

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Copper The Canadian Encyclopedia

2006-02-06  Processing copper sulphide ores begins with crushing and grinding to produce a pulp. Through a process called flotation, economically important minerals contained in the ore are separated from unwanted mineral particles. For ores that contain chalcopyrite, for example, the resultant concentrate contains about 28% copper, with the remainder composed of iron and sulphur. The next

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Lime use and functionality in sulphide mineral flotation ...

2019-11-01  Nickel-copper sulphide ores can differ significantly in the mineralogy of both the sulphide and the gangue minerals. Pentlandite is the major source of nickel, and often carries with it cobalt or precious group elements in economic concentration. Vast pentlandite deposits are processed in Canada, Australia, and South Africa. The processing routes and reagents used vary in these processes ...

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Sulfide-Ore Copper Mining and/or A Sustainable Boundary ...

2020-02-05  Sulfide-Ore Copper Mining or (not and) a Sustainable Boundary Waters Economy ii In a world where many jobs can be done from almost anywhere, economic research must begin with an understanding of what it is that makes people choose any given location. This is not to say that the presence of a raw material is immaterial, but it does mean that, as in the days of classical economists

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Sulfide Ore Grinding Copper - odz-m.de

Some copper sulfide ores can be partially oxidized, also influencing the selection of a reagent scheme, with the exception being a hypogene sulfide copper ore.Copper sulfide ores are normally finer grained than porphyry copper ores and require finer grinding (i.E.7080% 200 mesh).Flotation characteristics and treatment options the.

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3. Processing of Copper Ore

Sulfide ores are first put through a jaw or gyratory crusher to reduce the rocks to about 7 - 8 inches. This material is then fed to a secondary grinder that further reduces the size to about 1 - 2 inches. The next step is to feed the crushed ore into a wet grinding process in tumbling mills. These mills contain the ore, water and steel balls and further reduce the particles to the optimum ...

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AN INVESTIGATION OF COPPER RECOVERY FROM A SULPHIDE

improvement of sulphide-oxide copper ores processing through the use of mixed collector systems has surged. The flotation of a natural porphyry copper ore with bornite and malachite was investigated via fundamental work with pure minerals and a bench-scale testing regime. The processing of the test ore was problematic due to a mineral assemblage that caused prevalent slime generation ...

Get Price

sulfide ore grinding copper - gleemoretravel.co.za

How Copper Ore is Transformed into Products You Use . There are generally two types of copper ores sulfide ores and oxide ores. Sulfide ores contain copper-bearing sulfide minerals such as chalcopyrite bornite and chalcocite while oxide ores are The crushed ore reports to a grinding circuit where steel balls are used to further reduce it to a consistency of a fine beach sand.

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Mechanochemical sulfidization of a mixed oxide-sulphide ...

Mechanochemical sulfidization of a mixed sulfide/oxide copper ore by co-grinding with sulfur and additives including Mg(NO 3) 2 and Fe(NO 3) 3 salts and iron, aluminum and magnesium powders was investigated for the first time. Also, the influence of sulfidization during the wet-milling process was examined on the separation efficiency and recovery of copper in detail.

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12.3 Primary Copper Smelting

Pyrometallurgical techniques use heat to separate copper from copper sulfide ore concentrates. Process steps include mining, concentration, roasting, smelting, converting, and finally fire and electrolytic refining. 12.3.2 Process Description2-4 Mining produces ores with less than 1 percent copper. Concentration is accomplished at the mine sites by crushing, grinding, and flotation ...

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METHOD FOR RECOVERING A COPPER SULFIDE ... - Justia

2014-07-11  In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, wet grinding of the ore with grinding media made of high chromium cast iron alloy having a chromium content of from 10 to 35% by weight is combined with an addition of hydrogen peroxide to the conditioned mineral pulp before or during flotation in order to improve concentrate ...

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Estimation and Improvement of Recovery of Low Grade Copper ...

Copper oxide ore is an important copper ore resource. For a certain copper oxide ore in Yunnan, China, experiments have been conducted on the grinding fineness, collector dosage, sodium sulfide dosage, inhibitor dosage, and activator dosage. The results showed that, by controlling the above conditions, better sulfide flotation indices of copper oxide ore are obtained. Additionally, ammonium ...

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Copper Ore Types: Sulfides vs. Oxides An Investor's ...

2020-11-09  Copper sulfide ores are typically the most profitable copper ore type to mine. That is because they have high copper content, and the copper

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Copper Sulfide Ore- - Metalcess

Copper Sulfide Ore. About 80% of the world’s copper-from-ore originates in Cu-Fe-S ores, such as chalcopyrite (CuFeS2) and chalcocite (Cu2S). The concentration of these minerals in an ore body is low. Typical copper ores contain from 0.5% Cu (open pit mines) to 1 or 2% Cu (underground mines). Cu-Fe-S minerals are not easily dissolved by ...

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How to Extract Copper Sulphide Ore?

2020-01-15  Copper sulphide ore has good inherent floatability, so flotation process is a mature method used in the extraction of copper from sulphide ore. In recent years, with the continuous development of flotation processes used in the extraction of copper from sulphide ore, many scholars also proposed a series of new principles of mineral processing, such as “collect early, loss early” and ...

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Main Copper Sulphide Extraction Process Mining Pedia

2019-12-21  Coarse-grained copper sulfide ore can use a stage grinding – a stage flotation process, and the fine-grained copper sulfide ore can adopt two stage grinding- two stage flotation process. What’s more, middling regrinding technology can reduce grinding energy consumption, which is widely used in ore dressing production.

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Copper Hydromet Gaining Ground for Sulphide Ores..

FOR SULPHIDE ORES Hydrometallurgical processes for treating copper sulphide ore and concentrates are gaining ground, with significant new projects under construction and in the pipeline. The following is a brief review of current developments involving pressure oxidation, bio-oxidation, chloride leaching and ferric leaching technology. Pressure Oxidation Phelps Dodge are constructing a ...

Get Price

METHOD FOR RECOVERING A COPPER SULFIDE ... - Justia

2014-07-11  In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, wet grinding of the ore with grinding media made of high chromium cast iron alloy having a chromium content of from 10 to 35% by weight is combined with an addition of hydrogen peroxide to the conditioned mineral pulp before or during flotation in order to improve concentrate ...

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FLOTATION OF COPPER-NICKEL SULFIDE ORES - DAVID WESTON

Referring to the drawing, in this preferred procedure which is applied to the flotation of copper and nickel sulphides from its ore, the wet grinding and first conditioning step are carried out simultaneously, the ore being fed to a wet grinding system together with a wetting agent, at least one alkaline reagent, and an activator for the nickel sulphide minerals, namely copper sulphate. When ...

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Copper Ore Types: Sulfides vs. Oxides An Investor's ...

2020-11-09  Copper sulfide ores are typically the most profitable copper ore type to mine. That is because they have high copper content, and the copper

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Research on Bulk Floatation Discarding Tailing of Copper ...

This paper is aimed at a typical complex polymetallic copper-zinc sulfide ores in Yunnan province, China, and adopted the process of bulk floatation discarding tailing under coarse grinding condition, the influence factors are researched such as grinding fineness, types and dosage of flotation reagents. When the coarse grinding size-74μm 75% and butyl xanthate and ethyl xanthate as ...

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Copper sulfide - Wikipedia

Copper sulfides describe a family of chemical compounds and minerals with the formula Cu x S y.Both minerals and synthetic materials comprise these compounds. Some copper sulfides are economically important ores.. Prominent copper sulfide minerals include Cu 2 S and CuS ().In the mining industry, the minerals bornite or chalcopyrite, which consist of mixed copper-iron sulfides, are often ...

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Guides For High-sulfide Gold Processing

2020-03-17  First, the optimal grinding size and centrifugal force are determined by the ore grinding fineness test and centrifugal force field test. Then, the process of using two roughing and one concentrating, middle ore returned to the roughing operation for reprocessing is used for high sulfide gold processing. The process flowchart is shown in the table below. Through the centrifuge gravity ...

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