milling copper sulfide ore

Science Desk How Sulfide

May 08 2015 0183 32 Sulfide-ore copper mining is a risky type of mining that has never been done before in Minnesota No matter the method sulfide-ore copper mines proposed near the Boundary Waters would extract trace amounts of metals from large volumes of rock Rock is blasted from pit walls and sorted into metal-bearing ore and waste rock...

Know More
Copper Smelting

WG Davenport in Encyclopedia of Materials Science and Technology 2001 4 The Future The major trend in copper smelting and converting is towards improved capture of the SO 2 that is evolved from oxidizing CuFeS 2 and other copper sulfide minerals Improved SO 2 capture benefits the environment and the resulting H 2 SO 4 product can be used for leaching oxide and supergene sulfide...

Know More
Learn About Copper

Aug 21 2020 0183 32 Regardless of the ore type the mined copper ore must first be concentrated to remove gangue unwanted materials embedded in the ore The first step in this process is crushing and powderizing ore in a ball or rod mill Virtually all sulfide-type copper ores including chalcocite Cu...

Know More
Flotation of a copper sulphide ore from Okiep using thiol

A copper ore from the Okiep Copper Company in the Okiep area of the Northern Cape province of South Africa was used in all tests Its average copper grade was 18 and mineralogy showed that the main copper sulphide was bornite Table I Other copper sulphides noted were chalcocite chalcopyrite digenite and possibly enargite Pyrite was the...

Know More
An integrated model of milling and flotation for the

Kansanshi mine sulphide ore circuit did not achieve target flotation recovery in 2016 hence it was deemed necessary to carry out a research aimed at optimizing this circuit The objective of the research was to optimise the Kansanshi milling and flotation circuit processing a copper sulphide ore...

Know More
Copper Sulfide Mining

Copper Sulfide Mining A peer-reviewed study of the track record of water quality impacts from copper sulfide mines found severe impacts to drinking water aquifers contamination of farmland contamination and loss of fish and wildlife and their habitat and risks to public health...

Know More
Glossary of Mining Terms

Free milling - Ores of gold or silver from which the precious metals can be recovered by concentrating methods without resorting to pressure leaching or other chemical treatment G Gabbro - A dark coarse-grained igneous rock Galena - Lead sulphide the most common ore mineral of lead Gamma - A unit of measurement of magnetic intensity...

Know More
Sulfide Mining Sierra Club

The mining of copper/nickel sulfide ores is a toxic type of mining that is risky to our environment our workers and communities and local economi Mining sulfide rock releases acid and toxic metals and contaminants that pollute rivers and groundwater for hundreds of years long after the profits are spent and the products buried in landfills...

Know More
Copper Production How Is Copper Made

Sep 26 2019 0183 32 Sulfide Ores Virtually all sulfide-type copper ores including chalcocite Cu 2 S chalcopyrite CuFeS 2 and covellite CuS are treated by smeltingAfter crushing the ore to a fine powder it is concentrated by froth flotation which requires mixing the powdered ore with reagents that combine with the copper to make it hydrophobic...

Know More
Small Scale Treatment of PM Sulfide Ores

Feb 15 2020 0183 32 Sulfide ores suffer from sliming when milled provided you are willing to suffer high sulphide losses then milling and concentration is feasible Keep in mind that your ore sources are likely very limited so you do not want to be putting a lot of money into...

Know More
Copper extraction

All primary sulfide ores of copper sulfides and most concentrates of secondary copper sulfides being chalcocite are subjected to smeltingSome vat leach or pressure leach processes exist to solubilise chalcocite concentrates and produce copper cathode from the resulting leachate solution but this is a minor part of the market Carbonate concentrates are a relatively minor product...

Know More
Copper Sulfide Ore Copper Sulfide Ore Suppliers and

About 6 of these are copper ore A wide variety of copper sulfide ore options are available to you There are 80 copper sulfide ore suppliers mainly located in Asia The top supplying countries or regions are China Pakistan and Kenya which supply 93 2 and 2 of copper sulfide ore respectively...

Know More
Copper Ore Types Sulfides vs Oxides An Investor s

Copper sulfide ores are typically the most profitable copper ore type to mine That is because they have high copper content and the copper in them can more easily be separated from unwanted...

Know More
Lime use and functionality in sulphide mineral flotation

Nov 01 2019 0183 32 Ni and Ni-Cu sulphide or 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...

Know More
sulfide ore copper mining

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 sulfiderich ore body Sulfides are a geologic byproduct of mining in this area and by exposing sulfides to the air and water in our atmosphere sulfuric acid can be created threatening to poison the nearby water environment and...

Know More
benefication process for oxide and sulphide copper

Copper beneficiation process Yantai Jinpeng Mining Copper ore divides into ore sulfide ore oxide and mixing ore according to its oxide rate The main process for copper ore is flotation for refractory mixed copper ore and refractory oxide ore normally use hydrometallurgy process It is a high technological enterprise that integrated research manufacture sales and service The company...

Know More
Estimated Water Requirements for the Conventional

Copper sulfide ores must be concentrated before they can be economically transported to a SAG mill or ball mill where the ore is further reduced in size Water is added to the ball mill in which a slurry that usually contains from about 20 to 55 percent solids is produced Singh 2010 International Mining 2011 see fig 2 The...

Know More
extraction of copper from its sulphide ores

Copper processing Ores Britannica The extraction of copper from ore is normally carried out in three major steps The first step in the case of sulfide ores sulfur The final step refining removes the last traces of the impurity elements and produces a copper product of...

Know More
LIST OF ORES AND THEIR NAMES SULPHIDE ORE

Oct 03 2017 0183 32 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 Cu2SAg2S Copper silver glance Ag2SSb2S3 Pyrargirite or Rubisilver HALIDE ORE NaCl Rock Salt KCl Sylvine...

Know More
ball mill before copper ore flotation

Copper Mining and Processing Processing of Copper Ores Copper processing is a complicated process that begins with mining of the ore and purify copper from copper sulfide ores in four basic steps 1 froth flotation or golf ball size the crushed ore is further processed at a mill using secondary...

Know More
Sulfide Mining Overview

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...

Know More
Establishing thE ProcEss MinEralogy of gold orEs

Silver-rich ores and copper sulfide ores Silver-rich ores and copper sulfide ores are often free-milling but when the silver grade is high gt 10 g/t and/or the gold is present as electrum the processing may need to be modified The greater reactivity of silver...

Know More
From Ore to Finished Product

Copper - From Beginning to End Copper is a major metal and an essential element used by man It is found in ore deposits around the world It is also the oldest metal known to man and was first discovered and used about 10 000 years ago And as alloyed in bronze copper-tin alloy about 3000 BC was the first engineering material known to man...

Know More
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...

Know More
Sulphide Gold Ore Treatment by Leaching and Flotation Process

Problem with gold recovery from sulphide ore How may a mill get the maximum recovery of gold from a sulphide ore at the least capital cost and at the same time obtain the highest net return This latter point is most important In many cases a gold mill using an all-cyanide flowsheet with fine grinding of all the ore will report very low gold content in the tailings particularly on an...

Know More
Mining Industry Copper Sulfide Ore and Flotation Process

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...

Know More
Nickel processing

Nickel processing - Nickel processing - Extraction and refining The extraction of nickel from ore follows much the same route as copper and indeed in a number of cases similar processes and equipment are used The major differences in equipment are the use of higher-temperature refractories and the increased cooling required to accommodate the higher operating temperatures in nickel...

Know More
Copper Extraction from Sulfide Ores

EXTRACTION OF COPPER FROM SULPHIDE ORES Copper is mostly extracted from the sulphide ore copper pyrites by means of the following two processes i-Smelting process ii-Hydrometallurgical process SMELTING PROCESS Modern copper metallurgy is based on the smelting process Following steps are involved i CONCENTRATION OF THE ORE The finely powdered ore is concentrated by...

Know More
Copper ore flotation process line machine copper

Copper sulphide ore can be divided into single copper ore copper-sulphide ore copper pyrite copper-molybdenum ore copper-nickel ore copper-cobalt-bearing ore etc According to different mineral types there are different technological methods lattice ball mill spiral classifier flotation machine mixing barrel thickener disc...

Know More
Copper sulfide

Copper sulfides describe a family of chemical compounds and minerals with the formula Cu x S yBoth minerals and synthetic materials comprise these compounds Some copper sulfides are economically important or 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...

Know More
Get Solutions & Quotation