UNDERSTANDING CORROSIVE SULFUR PROBLEMS IN
The copper strip on the right is at a later stage in which the copper sulfide material starts to flake off the copper. The shiny under surfaces of the flakes is copper that has come off the strip with the copper sulfide. FIGURE 4 is a scanning electron micrograph (SEM) of a copper surface that is starting to be attacked by corrosive sulfur.
Get priceCopper Mining Industry Global Trends, Analysis And
Copper Mining Industry Global Trends, Analysis And Segment Forecasts To 2020 Copper Mining Market, Outlook, Size, Appliion, Product, Share, Growth Prospects, Key Opportunities, Dynamics, Analysis, Copper Mining Report Grand View Research Inc
Get priceCopperNickel Studies and Nonferrous Mining Minnesota
Coppernickel mining (also known as "nonferrous mining") in northern Minnesota is not a new issue for the state. Coppernickel deposits have been known to exist in northern Minnesota since the 1800s, but it was not until 1948, when deposits were discovered near Duluth, that serious interest in mining these metals developed in the region.
Get priceCopper Mining Devastated Montana. Now An Industry Comeback
A major risk of sulfide mining is the potential for acid mine drainage. When sulfidebearing minerals are exposed to air and water they can break down, creating sulfuric acid. Once in motion, this acid leakage can persist indefinitely and wreak havoc on aquatic ecosystems.
Get priceSulfide precipitation of heavy metals EPA Home Page
EPA600/280139 June 1980 SULFIDE PRECIPITATION OF HEAVY METALS by Alan K. Robinson and 3oyce C. Sum Manufacturing Research and Development Boeing Commercial Airplane Company Seattle, Washington 98124 Grant: S805413 Project Officer Hugh B. Durham Industrial Pollution Control Division Industrial Environmental Research Laboratory Cincinnati, Ohio 45268 INDUSTRIAL
Get priceWater Requirements of the Copper Industry USGS
WATER REQUIREMENTS OF THE COPPER INDUSTRY By OBVILLB D. MUSSEY ABSTRACT The copper industry in 1955 used about 330 million gallons of water per day in the mining and manufacturing of primary copper. This amount is about 0.3 percent of the total estimated withdrawals of industrial water in the United States in 1955.
Get priceCopperNickel Studies and Nonferrous Mining Minnesota
Coppernickel mining (also known as "nonferrous mining") in northern Minnesota is not a new issue for the state. Coppernickel deposits have been known to exist in northern Minnesota since the 1800s, but it was not until 1948, when deposits were discovered near Duluth, that serious interest in mining these metals developed in the region.
Get priceCopper Sulfide Flotation Mineral Processing & Metallurgy
Beneficiation of Copper Sulfide by Flotation. Copper, due to the present world demand and price, is of foremost interest to the mining industry.Many new properties are either in the process of being brought into production or are being given consideration.
Get priceGlobal Copper Indium Sulfide Thin Film Market 2018
5.2 Market Competition of Copper Indium Sulfide Thin Film Industry by Country (USA, EU, Japan, Southeast Asia etc.) 5.3 Market Analysis of Copper Indium Sulfide Thin Film Consumption by Appliion/Type Chapter Six 20182023 Market Forecast of Global and Southeast Asia Copper Indium Sulfide Thin Film Industry
Get priceCopper Ore Types: Sulfides vs. Oxides Investing News Network
Copper Ore Types: Sulfides vs. Oxides. Copper sulfide ores are typically the most profitable types of copper ores to mine. That is because they have high copper content, and the copper in them
Get priceBatteries Juicing the Nickel Market: LME Nickel Sulfate
The recently announced LME nickel sulfate contracts under consideration are a strong indiion that the nickel sulfate market and upstream nickel sulfide market are facing considerable growth.
Get priceCopper Sulfide Flotation Mineral Processing & Metallurgy
Beneficiation of Copper Sulfide by Flotation. Copper, due to the present world demand and price, is of foremost interest to the mining industry.Many new properties are either in the process of being brought into production or are being given consideration.
Get priceCopper Leaching Method Metallurgist & Mineral Processing
When the copper to be extracted is found mineralized as a sulphide the use of sulphuric acid as lixiviant necessitates breaking up the sulphur combinations by roasting in order that the metal can be brought into soluble form. This operation, however, instead of being a drawback, presents advantages.
Get priceThe Threat of Sulfide Mining — Friends of the Boundary
Sulfide mining, the process of extracting copper, nickel and other metals from sulfide ores, has been deemed the most toxic industry in the country by the EPA. When the sulfide ore comes in contact with oxygen or water, it creates sulfuric acid.
Get priceCopper Sulfide an overview ScienceDirect Topics
All copper sulfides require the presence of Fe 3+ and O 2 as oxidizing agents for leaching to occur. The copper sulfide is oxidized by Fe 3+.The resulting Fe 2+ is reoxidized to Fe 3+ by O 2.The Fe(II)/Fe(III) redox couple acts in a alytic manner in these reactions (shown for elevatedtemperature reaction conditions where the sulfurcontaining product is sulfate, rather than the elemental
Get priceCopper essentialchemicalindustry.org
(i) By roasting copper sulfide ores. The enriched ore is roasted with just enough air to convert the iron sulfide to iron(ll) oxide: The solid mixture is then mixed with calcium carbonate (limestone), silica (sand) and heated to 1300 K. The iron forms a silie slag and the copper(I) sulfide melts and sinks to the bottom of the furnace.
Get priceAppliions: Copper Compounds Table A: Uses of copper
Purifiion of gases, e.g. removal of hydrogen chloride and hydrogen sulphide: Precipitation promoter in purifying zinc sulphate solutions: Precipitation of alkaloids as double salts from crude extracts: Source of other copper compounds such as copper carbonate silie/arsenite/
Get priceWhat is "Sulfide Mining"? YouTube
Aug 18, 2016 · The mining industry hates the term, but Paula Maccabee explains why "sulfide mine" is a much more appropriate way to describe PolyMet''s proposed project than "coppernickel mine".
Get priceCopper(I) sulfide Cu2S PubChem
Use of the information, documents and data from the ECHA website is subject to the terms and conditions of this Legal Notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the ECHA website may be reproduced, distributed and/or used, totally or in part, for noncommercial purposes provided that ECHA is
Get priceCopper Mining and Extraction: Sulfide Ores
The liquid left is a mixture of copper sulfides and iron sulfides. It is called a matte. Stage 5: Conversion of matte to copper blister The electrolytic refining of copper produces the high quality, high purity copper required by industry. Even the best chemical method cannot remove all the impurities from the copper, but with electrolytic
Get priceA new way of extracting copper MIT News
Jun 28, 2017 · The MIT researchers found a promising method of forming liquid copper metal and sulfur gas in their cell from an electrolyte composed of barium sulfide, lanthanum sulfide, and copper sulfide, which yields greater than 99.9 percent pure copper. This purity is equivalent to the best current copper production methods.
Get priceHow copper is made material, used, processing, steps
Most of the copper ores mined in the United States contain only about 1.21.6% copper by weight. The most common sulfide ore is chalcopyrite, CuFeS 2, also known as copper pyrite or yellow copper ore. Chalcocite, Cu 2 S, is another sulfide ore. Cuprite, or red copper ore, Cu 2 O, is an
Get priceCopper Sulfate Trial Midwest Grape and Wine Industry
One approach is to conduct a copper addition trial to determine if the off odor can be removed. Copper treatment of the wine is often helpful in removing unpleasant odors due to H2S and mercaptans. In case the copper treatment fails to remove the off odor, the problem may be some other factor and not the sulfides.
Get priceCopperNickel Studies and Nonferrous Mining Minnesota
Coppernickel mining (also known as "nonferrous mining") in northern Minnesota is not a new issue for the state. Coppernickel deposits have been known to exist in northern Minnesota since the 1800s, but it was not until 1948, when deposits were discovered near Duluth, that serious interest in mining these metals developed in the region.
Get priceCopper Sulfate Uses ScienceStruck
Copper sulfate, also known as ''blue stone'' or ''blue vitriol'', is a chemical compound that is used in a wide range of industries. The basic chemical formula of blue vitriol is ''CuSO 4 '', but the salt exists as a series of different compounds, depending on the degree of hydration. ''Chalcocite'', the anhydrous form of copper sulfate, occurs as a rare mineral and exists as a pale green or grayish
Get priceMining Industry Copper Sulfide Ore and Flotation Process
Jul 09, 2019 · (2) Coppersulfur ore Called copperbearing pyrite. In addition to copper minerals, iron sulfide can be recovered, and the main mineral of sulfur is pyrite. (3) Copper pyrite ore Except for the copper minerals, pyrite and magnetite are worth recovering. Many of the skarntype copper mines in China belong to this type.
Get priceCopper Production: How Is Copper Made? thebalance.com
Jan 14, 2019 · The remaining mixture is a molten copper sulfide referred to as ''matte''. The next step in the refining process is to oxidize liquid matte in order to remove iron to burn off sulfide content as sulfur dioxide. The result is 9799 percent blister copper. The term ''blister copper'' comes from the bubbles produced by sulfur dioxide on the surface of
Get priceGlobal Copper Indium Sulfide Thin Film Market 2018
5.2 Market Competition of Copper Indium Sulfide Thin Film Industry by Country (USA, EU, Japan, Southeast Asia etc.) 5.3 Market Analysis of Copper Indium Sulfide Thin Film Consumption by Appliion/Type Chapter Six 20182023 Market Forecast of Global and Southeast Asia Copper Indium Sulfide Thin Film Industry
Get pricecopper sulfide SigmaAldrich
Search results for copper sulfide at SigmaAldrich. Compare Products: Select up to 4 products. *Please select more than one item to compare
Get price12.3 Primary Copper Smelting
12.3 Primary Copper Smelting 12.3.1 General1 Copper ore is produced in 13 states. In 1989, Arizona produced 60 percent of the total U. S. ore. Fourteen domestic mines accounted for more than 95 percent of the 1.45 megagrams (Mg)
Get priceCopper Corrosion by Atmospheric Pollutants in the
Hydrogen sulphide (H2S) is considered one of the most corrosive atmospheric pollutants. It is a weak, diprotic, reducing acid, readily soluble in water and dispersed into the air by winds when emitted from natural, industrial, and anthropogenic sources. It is a pollutant with a high level of toxicity impairing human health and the environment quality.
Get priceGlobal Copper Indium Sulfide Thin Film Market 2018
5.2 Market Competition of Copper Indium Sulfide Thin Film Industry by Country (USA, EU, Japan, Southeast Asia etc.) 5.3 Market Analysis of Copper Indium Sulfide Thin Film Consumption by Appliion/Type Chapter Six 20182023 Market Forecast of Global and Southeast Asia Copper Indium Sulfide Thin Film Industry
Get priceCopper Mining Devastated Montana. Now An Industry Comeback
A major risk of sulfide mining is the potential for acid mine drainage. When sulfidebearing minerals are exposed to air and water they can break down, creating sulfuric acid. Once in motion, this acid leakage can persist indefinitely and wreak havoc on aquatic ecosystems.
Get priceMining Industry Copper Sulfide Ore and Flotation Process
Jul 09, 2019 · (2) Coppersulfur ore Called copperbearing pyrite. In addition to copper minerals, iron sulfide can be recovered, and the main mineral of sulfur is pyrite. (3) Copper pyrite ore Except for the copper minerals, pyrite and magnetite are worth recovering. Many of the skarntype copper mines in China belong to this type.
Get price12.3 Primary Copper Smelting
12.3 Primary Copper Smelting 12.3.1 General1 Copper ore is produced in 13 states. In 1989, Arizona produced 60 percent of the total U. S. ore. Fourteen domestic mines accounted for more than 95 percent of the 1.45 megagrams (Mg)
Get priceUNDERSTANDING CORROSIVE SULFUR PROBLEMS IN
The copper strip on the right is at a later stage in which the copper sulfide material starts to flake off the copper. The shiny under surfaces of the flakes is copper that has come off the strip with the copper sulfide. FIGURE 4 is a scanning electron micrograph (SEM) of a copper surface that is starting to be attacked by corrosive sulfur.
Get priceCopper Mining Industry Global Trends, Analysis And
Copper Mining Industry Global Trends, Analysis And Segment Forecasts To 2020 Copper Mining Market, Outlook, Size, Appliion, Product, Share, Growth Prospects, Key Opportunities, Dynamics, Analysis, Copper Mining Report Grand View Research Inc
Get priceCopperNickel Studies and Nonferrous Mining Minnesota
Coppernickel mining (also known as "nonferrous mining") in northern Minnesota is not a new issue for the state. Coppernickel deposits have been known to exist in northern Minnesota since the 1800s, but it was not until 1948, when deposits were discovered near Duluth, that serious interest in mining these metals developed in the region.
Get priceCopper Mining Devastated Montana. Now An Industry Comeback
A major risk of sulfide mining is the potential for acid mine drainage. When sulfidebearing minerals are exposed to air and water they can break down, creating sulfuric acid. Once in motion, this acid leakage can persist indefinitely and wreak havoc on aquatic ecosystems.
Get priceSulfide precipitation of heavy metals EPA Home Page
EPA600/280139 June 1980 SULFIDE PRECIPITATION OF HEAVY METALS by Alan K. Robinson and 3oyce C. Sum Manufacturing Research and Development Boeing Commercial Airplane Company Seattle, Washington 98124 Grant: S805413 Project Officer Hugh B. Durham Industrial Pollution Control Division Industrial Environmental Research Laboratory Cincinnati, Ohio 45268 INDUSTRIAL
Get priceWater Requirements of the Copper Industry USGS
WATER REQUIREMENTS OF THE COPPER INDUSTRY By OBVILLB D. MUSSEY ABSTRACT The copper industry in 1955 used about 330 million gallons of water per day in the mining and manufacturing of primary copper. This amount is about 0.3 percent of the total estimated withdrawals of industrial water in the United States in 1955.
Get priceCopperNickel Studies and Nonferrous Mining Minnesota
Coppernickel mining (also known as "nonferrous mining") in northern Minnesota is not a new issue for the state. Coppernickel deposits have been known to exist in northern Minnesota since the 1800s, but it was not until 1948, when deposits were discovered near Duluth, that serious interest in mining these metals developed in the region.
Get priceCopper Sulfide Flotation Mineral Processing & Metallurgy
Beneficiation of Copper Sulfide by Flotation. Copper, due to the present world demand and price, is of foremost interest to the mining industry.Many new properties are either in the process of being brought into production or are being given consideration.
Get priceGlobal Copper Indium Sulfide Thin Film Market 2018
5.2 Market Competition of Copper Indium Sulfide Thin Film Industry by Country (USA, EU, Japan, Southeast Asia etc.) 5.3 Market Analysis of Copper Indium Sulfide Thin Film Consumption by Appliion/Type Chapter Six 20182023 Market Forecast of Global and Southeast Asia Copper Indium Sulfide Thin Film Industry
Get priceCopper Ore Types: Sulfides vs. Oxides Investing News Network
Copper Ore Types: Sulfides vs. Oxides. Copper sulfide ores are typically the most profitable types of copper ores to mine. That is because they have high copper content, and the copper in them
Get priceBatteries Juicing the Nickel Market: LME Nickel Sulfate
The recently announced LME nickel sulfate contracts under consideration are a strong indiion that the nickel sulfate market and upstream nickel sulfide market are facing considerable growth.
Get priceCopper Sulfide Flotation Mineral Processing & Metallurgy
Beneficiation of Copper Sulfide by Flotation. Copper, due to the present world demand and price, is of foremost interest to the mining industry.Many new properties are either in the process of being brought into production or are being given consideration.
Get priceCopper Leaching Method Metallurgist & Mineral Processing
When the copper to be extracted is found mineralized as a sulphide the use of sulphuric acid as lixiviant necessitates breaking up the sulphur combinations by roasting in order that the metal can be brought into soluble form. This operation, however, instead of being a drawback, presents advantages.
Get priceThe Threat of Sulfide Mining — Friends of the Boundary
Sulfide mining, the process of extracting copper, nickel and other metals from sulfide ores, has been deemed the most toxic industry in the country by the EPA. When the sulfide ore comes in contact with oxygen or water, it creates sulfuric acid.
Get priceCopper Sulfide an overview ScienceDirect Topics
All copper sulfides require the presence of Fe 3+ and O 2 as oxidizing agents for leaching to occur. The copper sulfide is oxidized by Fe 3+.The resulting Fe 2+ is reoxidized to Fe 3+ by O 2.The Fe(II)/Fe(III) redox couple acts in a alytic manner in these reactions (shown for elevatedtemperature reaction conditions where the sulfurcontaining product is sulfate, rather than the elemental
Get priceCopper essentialchemicalindustry
(i) By roasting copper sulfide ores. The enriched ore is roasted with just enough air to convert the iron sulfide to iron(ll) oxide: The solid mixture is then mixed with calcium carbonate (limestone), silica (sand) and heated to 1300 K. The iron forms a silie slag and the copper(I) sulfide melts and sinks to the bottom of the furnace.
Get priceAppliions: Copper Compounds Table A: Uses of copper
Purifiion of gases, e.g. removal of hydrogen chloride and hydrogen sulphide: Precipitation promoter in purifying zinc sulphate solutions: Precipitation of alkaloids as double salts from crude extracts: Source of other copper compounds such as copper carbonate silie/arsenite/
Get priceWhat is "Sulfide Mining"? YouTube
Aug 18, 2016 · The mining industry hates the term, but Paula Maccabee explains why "sulfide mine" is a much more appropriate way to describe PolyMet''s proposed project than "coppernickel mine".
Get priceCopper(I) sulfide Cu2S PubChem
Use of the information, documents and data from the ECHA website is subject to the terms and conditions of this Legal Notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the ECHA website may be reproduced, distributed and/or used, totally or in part, for noncommercial purposes provided that ECHA is
Get priceCopper Mining and Extraction: Sulfide Ores
The liquid left is a mixture of copper sulfides and iron sulfides. It is called a matte. Stage 5: Conversion of matte to copper blister The electrolytic refining of copper produces the high quality, high purity copper required by industry. Even the best chemical method cannot remove all the impurities from the copper, but with electrolytic
Get priceA new way of extracting copper MIT News
Jun 28, 2017 · The MIT researchers found a promising method of forming liquid copper metal and sulfur gas in their cell from an electrolyte composed of barium sulfide, lanthanum sulfide, and copper sulfide, which yields greater than 99.9 percent pure copper. This purity is equivalent to the best current copper production methods.
Get priceHow copper is made material, used, processing, steps
Most of the copper ores mined in the United States contain only about 1.21.6% copper by weight. The most common sulfide ore is chalcopyrite, CuFeS 2, also known as copper pyrite or yellow copper ore. Chalcocite, Cu 2 S, is another sulfide ore. Cuprite, or red copper ore, Cu 2 O, is an
Get priceCopper Sulfate Trial Midwest Grape and Wine Industry
One approach is to conduct a copper addition trial to determine if the off odor can be removed. Copper treatment of the wine is often helpful in removing unpleasant odors due to H2S and mercaptans. In case the copper treatment fails to remove the off odor, the problem may be some other factor and not the sulfides.
Get priceCopperNickel Studies and Nonferrous Mining Minnesota
Coppernickel mining (also known as "nonferrous mining") in northern Minnesota is not a new issue for the state. Coppernickel deposits have been known to exist in northern Minnesota since the 1800s, but it was not until 1948, when deposits were discovered near Duluth, that serious interest in mining these metals developed in the region.
Get priceCopper Sulfate Uses ScienceStruck
Copper sulfate, also known as ''blue stone'' or ''blue vitriol'', is a chemical compound that is used in a wide range of industries. The basic chemical formula of blue vitriol is ''CuSO 4 '', but the salt exists as a series of different compounds, depending on the degree of hydration. ''Chalcocite'', the anhydrous form of copper sulfate, occurs as a rare mineral and exists as a pale green or grayish
Get priceMining Industry Copper Sulfide Ore and Flotation Process
Jul 09, 2019 · (2) Coppersulfur ore Called copperbearing pyrite. In addition to copper minerals, iron sulfide can be recovered, and the main mineral of sulfur is pyrite. (3) Copper pyrite ore Except for the copper minerals, pyrite and magnetite are worth recovering. Many of the skarntype copper mines in China belong to this type.
Get priceCopper Production: How Is Copper Made? thebalance
Jan 14, 2019 · The remaining mixture is a molten copper sulfide referred to as ''matte''. The next step in the refining process is to oxidize liquid matte in order to remove iron to burn off sulfide content as sulfur dioxide. The result is 9799 percent blister copper. The term ''blister copper'' comes from the bubbles produced by sulfur dioxide on the surface of
Get priceGlobal Copper Indium Sulfide Thin Film Market 2018
5.2 Market Competition of Copper Indium Sulfide Thin Film Industry by Country (USA, EU, Japan, Southeast Asia etc.) 5.3 Market Analysis of Copper Indium Sulfide Thin Film Consumption by Appliion/Type Chapter Six 20182023 Market Forecast of Global and Southeast Asia Copper Indium Sulfide Thin Film Industry
Get pricecopper sulfide SigmaAldrich
Search results for copper sulfide at SigmaAldrich. Compare Products: Select up to 4 products. *Please select more than one item to compare
Get price12.3 Primary Copper Smelting
12.3 Primary Copper Smelting 12.3.1 General1 Copper ore is produced in 13 states. In 1989, Arizona produced 60 percent of the total U. S. ore. Fourteen domestic mines accounted for more than 95 percent of the 1.45 megagrams (Mg)
Get priceCopper Corrosion by Atmospheric Pollutants in the
Hydrogen sulphide (H2S) is considered one of the most corrosive atmospheric pollutants. It is a weak, diprotic, reducing acid, readily soluble in water and dispersed into the air by winds when emitted from natural, industrial, and anthropogenic sources. It is a pollutant with a high level of toxicity impairing human health and the environment quality.
Get priceGlobal Copper Indium Sulfide Thin Film Market 2018
5.2 Market Competition of Copper Indium Sulfide Thin Film Industry by Country (USA, EU, Japan, Southeast Asia etc.) 5.3 Market Analysis of Copper Indium Sulfide Thin Film Consumption by Appliion/Type Chapter Six 20182023 Market Forecast of Global and Southeast Asia Copper Indium Sulfide Thin Film Industry
Get priceCopper Mining Devastated Montana. Now An Industry Comeback
A major risk of sulfide mining is the potential for acid mine drainage. When sulfidebearing minerals are exposed to air and water they can break down, creating sulfuric acid. Once in motion, this acid leakage can persist indefinitely and wreak havoc on aquatic ecosystems.
Get priceMining Industry Copper Sulfide Ore and Flotation Process
Jul 09, 2019 · (2) Coppersulfur ore Called copperbearing pyrite. In addition to copper minerals, iron sulfide can be recovered, and the main mineral of sulfur is pyrite. (3) Copper pyrite ore Except for the copper minerals, pyrite and magnetite are worth recovering. Many of the skarntype copper mines in China belong to this type.
Get price12.3 Primary Copper Smelting
12.3 Primary Copper Smelting 12.3.1 General1 Copper ore is produced in 13 states. In 1989, Arizona produced 60 percent of the total U. S. ore. Fourteen domestic mines accounted for more than 95 percent of the 1.45 megagrams (Mg)
Get price