what is slag from primary copper processing used for

what is slag from primary copper processing used for

  • Management of copper pyrometallurgical slags Semantic Scholar

    slags: giving additional value to copper mining industry. VII International Conference on Molten As copper sulphides are the main mining resources in the country, the metal is produced using the classical processes of flotation and depending on the method used to clean the final slag of the pyrometallurgical process.

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  • the effect of cooling rate of slag from primary copper production in

    environmentally friendly, Outotec flesh smelting technology is adopted. The process of copper production from primary raw materials consists of smelting in flash smelting Processing the slag by the scheme of slow coolingcrushinggrindingflotation in order to . In the calculation of slag cooling following data are used:.

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  • 2.5 Direct Outokumpu nickel flash smelting process Helda

    the reduction of emissions and energy use of the primary nickel production in recover nickel from sulphide concentrates and it is the main process described in Copper. Heavy oil. Gas+dust smelter. Smelting. WH. ESP. Air+O2 by DON. Coke. Reverts. Slag. Gas into. FSF matte. Slag cleaning ventilation system. Acid.

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  • Primary and secondary phases in coppercobalt smelting slags from

    concentrate is composed mainly of chalcopyrite, bornite and chalcocite. The first step consists of smelting in a furnace (historically, reverbatory furnaces were used electric furnaces are largely used nowadays in Zambia) with coke and silica in order to produce Cu matte and remove Fe into the silie slag. The second step 

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  • Primary Copper Smelting EPA

    The copper content percentage is referred to as the matte grade. The 4 smelting furnace technologies used in the U. S. are reverberatory, electric, Noranda, and flash. The reverberatory furnace smelting operation is a continuous process, with frequent charging and periodic tapping of matte, as well as skimming slag. Heat is 

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  • Copper Slag General Information, Process, Products, Patent

    Copper slag is an abrasive blasting grit made of granulated slag from metal smelting processes (also called iron silie). Copper slag is a byproduct created during the copper smelting and refining process. Copper slag is a byproduct obtained during the production of copper metal, which can be used as pozzolana in the 

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  • Copper Smelting IFC

    The main portion of the solid waste is dis carded slag from the smelter. Discard slag may contain 0.5–0.7% copper and is frequently used as construction material or for sandblasting. Leaching processes produce residues, while ef fluent treatment results in sludges, which can be sent for metals recovery. The smelting 

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  • ISASMELT Brochure 1.8 MB

    The ISASMELT™ process can use most types of coals, petroleum coke, coke breeze, oil (including recycled oil) The ISASMELT™ lance is submerged in the slag, providing an extremely turbulent molten bath. The process has been used for primary and secondary (scrap) copper smelting, copper converting, primary and 

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  • the effect of cooling rate of slag from primary copper production in

    environmentally friendly, Outotec flesh smelting technology is adopted. The process of copper production from primary raw materials consists of smelting in flash smelting Processing the slag by the scheme of slow coolingcrushinggrindingflotation in order to . In the calculation of slag cooling following data are used:.

    >>Details
  • Characterization of copper smelter slag and SciELO Colombia

    lly, this paper shows the physical and chemical characterization of a copper processing residue, followed by the procedure to obtain the gold Characterization of copper smelter slag and recovery of residual metals from these residues. Resumen . frequent method used to extract gold and silver, due to its convenient ratio 

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  • physicochemical characterization of copper slag and CiteSeerX

    residual values and encourage a search for new uses with the ultimate objective of eliminating slag stockpiles thereby diminishing the environmental Keywords: Copper Smelting Byproduct Recovery Stockpile Elimination. * Corresponding author: The average composition of primary copper slag corresponds to 

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  • Primary Copper Smelter and Refinery as a Recycling Plant MDPI

    Oct 24, 2017 ternal recycling, waste treatment, and recovery of valuable products. Figure 1. The process routes of primary copper production [10]. The primary smelter and refinery plant uses concentrate as a raw material, produces copper hodes, sulphuric acid, and precious metals, and discards slag and offgases.

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  • Slag: From Metals Byproduct to Valuable Construction Material

    Jul 29, 2014 smelting Slag is a byproduct of the metallurgical smelting process. Slag has a double role: it permits removal of impurities, known as gangue, from the Recycling slag minimizes waste and disposal costs, reduces energy use, extends furnace life, and lowers the amount of additives needed to make slag.

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  • Viscosity and thermal properties of slag in the process of

    Nov 10, 2014 The influence of calcium oxide additives on viscosity and on the crystallised slag liquidus point has been evaluated. The results obtained may be used for slag composition improvement with the purpose to reduce copper losses and simplify material preparation to subsequent depletion operation.

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  • Hazardous Solid Waste from Metallurgical Industries

    are the origin and disposition of land disposed residuals from the primary copper industry as an example. Quantities of refining industries use ore concentrates or other significant concentration andwas not considered potentially hazardouswas retort residue from pri mary zinc smelting. This slag residue leached zinc.

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  • Slag: From Metals Byproduct to Valuable Construction Material

    Jul 29, 2014 smelting Slag is a byproduct of the metallurgical smelting process. Slag has a double role: it permits removal of impurities, known as gangue, from the Recycling slag minimizes waste and disposal costs, reduces energy use, extends furnace life, and lowers the amount of additives needed to make slag.

    >>Details
  • Copper extraction Wikipedia

    Most of the reverberatory furnaces used in the latter years treated roasted concentrate because putting dry feed materials into the Reverberatory furnaces can additionally be fed with molten slag from the later converting stage to recover the contained copper and other 

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  • Assessment of the Harmfulness of the Slags from Copper Smelting

    Sep 29, 2017 It is treat as a waste or used other field, but only in a few friction. The slag amount for waste management or storage equaled 11 741 – 16 011 million tons in 2011. This is a serious ecological problem. The following slags were investigated: slag originated from the primary copper production process in the 

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  • Chapter 82 Metal Processing and Metal Working Industry

    In smelting, the worthless material, usually iron, forms a slag with fluxing material and is converted into the oxide. The valuable metals acquire the metallic form at the converting stage, which takes place in converting furnaces. This method is used in copper and nickel production. Iron, ferrochromium, lead, magnesium and 

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  • Copper slag Wikipedia

    Copper slag is mainly used for surface blastcleaning. Abrasive blasting is used to clean and shape the surface of metal, stone, concrete and other materials. In this process, a stream of abrasive grains called grit are propelled toward the workpiece. Copper slag is just one of many different materials that may be used as 

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  • Characterization of copper smelter slag and recovery of residual

    lly, this paper shows the physical and chemical characterization of a copper processing residue, followed by the procedure to metal oxidized calcine indies a high content of copper as cupric ferrite, and important values of gold and silver. Gold and . A primary copper residue is commonly composed of. 30 % to 40 

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  • Paper Slag Valorisation Symposium

    less than 1% copper with discard of 99% of the weight of this material including overburden, tailings and slag from mining, flotation and smelting operations. The primary metal production industry has given much attention to the improved management of processes, use of water, control of emissions, industrial safety and.

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  • Wise Process Routes for Varying Feedstock in Base DiVA portal

    modelling showed that the chromium content in the slag has the greatest impact on the liquidus temperature .. copper took place as early as 7,000 years ago.1 Copper is used for its unique properties, like corrosion For a primary copper smelter, the last process for removing minor elements from the produced copper is 

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  • Copper Processing P2 InfoHouse

    Pyrometallurgy, or smelting, is used on ore with copper sulfide and iron sulfide minerals. The concentrate is dried and fed into a furnace. The minerals are partially oxidized and melted, resulting in segregated layers. The matte layer refers to the ironcopper sulfide mixture which sinks to the bottom. The slag, which refers to 

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  • Technological scheme for copper slag processing ScienceDirect

    Jan 10, 2017 The latter is captured and used for production of sulphuric acid, thus copper smelters have become integrated with acid plants that utilize offgas The proposed method consists of thermal decomposition of the main mineral component of the copper slag fayalite (2FeO·SiO2) through oxidation in air 

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  • a study on reduction of copper slag from the flash furnace with the

    Dec 29, 2013 In the paper, results of a study on reduction of blister copper flash smelting slag with the use of anthracite dust are presented. The material, following proper preparation, can be used for slag processing as a substitute for currently applied coke in the electric furnace and main stages of this process include:.

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  • Characterization of copper smelter slag and recovery of residual

    lly, this paper shows the physical and chemical characterization of a copper processing residue, followed by the procedure to metal oxidized calcine indies a high content of copper as cupric ferrite, and important values of gold and silver. Gold and . A primary copper residue is commonly composed of. 30 % to 40 

    >>Details
  • Copper extraction Wikipedia

    Most of the reverberatory furnaces used in the latter years treated roasted concentrate because putting dry feed materials into the Reverberatory furnaces can additionally be fed with molten slag from the later converting stage to recover the contained copper and other 

    >>Details
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