sulfide ore grinding copper

LIST OF ORES AND THEIR NAMES SULPHIDE ORE

LIST OF ORES AND THEIR NAMES SULPHIDE ORE PbS Galena HgS Cinnabar ZnS Zinc blende Cu2S Copper glance CuFeS2 Copper Pyrites (Chalcopyrite) FeS2 Iron pyrites or Fool's gold Ag2S Silver glance or Argentite Cu2S.Ag2S Copper silver glance Ag2S.Sb2S3 Pyrargirite or Rubisilver HALIDE ORE NaCl Rock Salt KCl Sylvine

Investigating of the effect of ore work index and particle ...

surface methodology (RSM) for grinding modeling of some copper sulphide ores. In the present work, the effects of some key grinding parameters such as ball size (20–40mm), grinding time (10–30min), solids content (65–80%), and also ore work index (12–15.4kWh/t) on the grinding of some copper sulphide ore were investigated.

Galvanic Interaction between Chalcopyrite and Pyrite with ...

This study was aimed to investigate the galvanic interaction between pyrite and chalcopyrite with two types of grinding media (low alloy and high carbon chromium steel ball) in grinding of a porphyry copper sulphide ore. Results indicated that injection of different gases into mill altered the oxidation-reduction environment during grinding.

(PDF) Effect of microwave pretreatment on grinding and ...

The present work aims to study the impact of microwave irradiation on grinding and flotation kinetics of a porphyry copper ore. For this purpose, the kinetics trails were carried out on the ...

Copper Ore Grinding Machine - crushermaintenance

Copper Ore Grinding Machine. The content of copper ore flotation and ease of iron sulfide ore closely. According to the number of sulfide copper ore iron sulfide content divided into two categories, one is dense massive copper ore, one is disseminated copper ore. The former is characterized by a high content of pyrite ore, sometimes up to 80% ...

Method of flotation enrichment of sulphide ores

Aggregates flotation of sulfide copper-Nickel ores testify to the following. In example 3, at a flow rate of vacuum Aero 8860GL stage ore grinding (100/100/50 g/t), which is below the recommended content is reduced in the collective Cu-Mo concentrate copper to 15.3%, molybdenum up to 0,35% when removing 83,45% 70,00%, respectively.

Integrated Operations - SCC – Southern Copper Corporation

The product produced in smelting sulfide ores of copper and lead or the smelting of copper bearing materials, usually in a reverberatory. Mill A plant in which ore is treated and metals are recovered or prepared for smelting; also a revolving drum used for the grinding of ores in preparation for treatment. .

Copper Sulfide Flotation - Mineral Processing & Metallurgy

Copper minerals usually occur in low grade deposits and require concentration prior to smelting. The method and degree of concentration depends on smelter location and schedules, together with the nature of the ore deposit. Sulphide copper ores generally occur with pyrite, pyrrhotite, arsenopyrite and molybdenite, and with gold and silver.

District-Scale Manto-Style Copper Oxides with Primary ...

Camino Corp. is pleased to announce that discovery drilling at its Los Chapitos copper project consisting of 5 exploration drillholes, …

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

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.

What is Sulfide Mining? | Mining Action Group

Metallic sulfide mining (aka hard rock mining) is the practice of extracting metals such as nickel, gold and copper from a sulfide-rich ore body.

EFFECT OF GRINDING CHEMISTRY ON THE SULPHIDISATION …

The oxidised sulphide ore was studied by artificially oxidising a copper sulphide ore to various states during 16 months. For each oxidation state, the effect of chemistry was studied through a series of grinding and flotation tests completed under various grinding environments.

Copper Concentrates - Cargo Handbook - the world's largest ...

The beginning for all copper is to mine sulfide and oxide ores through digging or blasting and then crushing it to walnut-sized pieces. Crushed ore is ball or rod-milled in large, rotating, cylindrical machines until it becomes a powder usually containing less than 1 percent copper. Sulfide ores are moved to a concentrating stage, while oxide ...

INVESTIGATION ON FLOTATION BEHAVIOR OF A COPPER SULFIDE ...

To investigate the consequences for flotation, processing of a copper sulfide ore containing chalcopyrite and bornite was investigated, including grinding and rougher flotation.

Mining Industry | Copper Sulfide Ore and Flotation Process ...

Copper Sulfide Ore and Flotation Process by JXSC Mining 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.

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 protects the environment. For example: FeO(s) + SiO 2 (s)→ …

Copper extraction - Wikipedia

Sulfide ores. Secondary sulfides – those formed by supergene secondary enrichment – are resistant to sulfuric leaching.These ores are a mixture of copper carbonate, sulfate, phosphate, and oxide minerals and secondary sulfide minerals, dominantly chalcocite but other minerals such as digenite can be important in some deposits.. Supergene ores rich in sulfides may be …

Guides For High-sulfide Gold Processing

High sulfide gold ore refers to a certain gold ore with 20% -30% of gold wrapped by sulfide (mainly pyrite). Because most of the gold in high-sulfide gold ore exists in the form of sulfide-encapsulated gold, when using direct leaching process, the consumption of gold leaching agent and cost of gold leaching production will increase, and gold processing efficiency is not …

Method of beneficiation of complex sulfide ores - Sumitomo ...

A method of beneficiation of complex sulfide ores comprises crushing and grinding complex sulfide ore containing sulfides of copper, zinc, iron and other minerals, subjecting the ground ores to differential flotation to obtain a bulk copper-zinc concentrate which is separate from pyrite and gangue, and passing the bulk copper-zinc concentrate through a high-gradient magnetic …

Determination of Abrasiveness in Copper-Gold Sulfide Ores ...

The geological context of this study is established in the iron oxide-copper-gold (IOCG) deposit of Sossego (Canaã dos Carajás, Brazil), where hydrothermal alterations in shear zones concentrated the metals of interest and added new characteristics to the metavolcanic-sedimentary and granite rocks. The mineral transformation of rocks by hypersaline fluids …

Copper Cathodes - Cargo Handbook - the world's largest ...

2. Grinding Crushed ore is ball or rod-milled in large, rotating, cylindrical machines until it becomes a powder usually containing less than 1 percent copper. Sulfide ores are moved to a concentrating stage, while oxide ores are routed to leaching tanks. 3. Concentrating Minerals are concentrated into a slurry that is about 15% copper.

What drives GHG emissions from copper production ...

About 80% of global copper mine production comes sulphide ores that ore processed using grinding and flotation plants to produce concentrates for smelting. The rest comes from mines using dump or heap leaching, solvent extraction and electrowinning to produce cathode copper. Most copper mines are large, low grade, open pits.

Copper Mining and Extraction Sulfide Ores

WO2015007649A1 - Method for recovering a copper sulfide ...

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 …

How to Process Copper Ore: Beneficiation Methods and ...

Secondary copper sulfide ore is easy to oxidize and more difficult to float than original copper ore. As for the grinding and floating process, it is more advantageous to adopt the stage grinding and floating process for refractory copper ore, such as the re-grinding and re-separation of coarse concentrate, re-grinding and re-separation of bulk ...

Effect Of Alumina Balls On Grinding And Flotation Of ...

Effect Of Alumina Balls On Grinding And Flotation Of Copper Sulfide Ore Jun 02, 2021 In the copper beneficiation process, wet grinding is generally used for the regrind of the coarse copper concentrate, and the metal grinding medium is mostly used for the grinding medium..

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 Bindura, Zimbabwe. From the X-ray diffraction analysis, the main phases present in the ore were pentlandite (49.4%), pyrrhotite (41.2%) and quartz (4.6%), Fig.1. The ore which was supplied in lumpy form was subjected to crushing and grinding.

12.3 Primary Copper Smelting

Mining produces ores with less than 1 percent copper. Concentration is accomplished at the mine sites by crushing, grinding, and flotation purification, resulting in ore with 15 to 35 percent copper. A continuous process called floatation, which uses water, various flotation chemicals, and compressed air, separates the ore into fractions.

Hydrometallurgical Processing of Low-Grade Sulfide Ore …

of Finland, average nickel grade amounts to 0.27%, copper 0.14%, cobalt 0.02%, and zinc 0.56% [36]. In cases of technogenic waste processing, the standard ore grade can be even lower. This can be explained by the fact that ore mining costs have been already spent, and transport expenses are allocated to the remediation budget [15].

Sulfide Mining Overview - sosbluewaters

amount of ore can be processed and the processes offer more safety and access for mine workers. 15 In open pit operations, the fist step is the removal of overburden and waste rock to 7 United States Geological Survey. 1998. Potential for new Nickel-Copper Sulfide Deposits in the Lake Superior Region.