copper flash smelting finland - mobile crushing station ...
Freezelining formation and microstructure in a directto . PO Box 16200, FI00076 Aalto (Finland) Abstract: Copper smelting in one processing step directly from concentrates to blister copper has been realized on an industrial scale in a few smelters, using concentrates with a high Cu/Feratio The fluxing of any directtoblister slag is
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direct to blister saudi gold slag slag crushing
direct to blister saudi gold slag slag crushingdirect to blister saudi gold slag slag crushing Crushing machines for slag containing metals With our vertical-sh
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(PDF) THE DEVELOPMENT OF NON-WASTE ... - Academia.edu
The complex nature of some of the Direct-to-Blister slags makes it very difficult to present the slag com- positions and the thermodynamic behavior of the slags in simple diagrams. The ternary phase diagram SiO 2 - CaO-Fe2O3 gives some indication of the liquidus temperatures and the components, which first precipitate from the slags.
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AIR QUALITY PERMIT NO. 66039 FREEPORT MCMORAN …
matte/slag mixture from Isa vessel and converter slag by ladle. Once the copper matte settles to the bottom of the electric furnace, the slag on the top of the bath is removed and hauled to slag storage area. Matte is tapped from the electric furnace into ladles and transported by cranes to four Hoboken converters. Blister copper from converters is
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Behavior of copper and lead during mineralurgical and ...
12%During direct-to-blister smelting of copper concentrates, slag is formed in which the copper content reaches up to 15%. In addition, it may contain up to 4% Pb. The recovery of copper and, by the way, other valuable elements contained in the slag …
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olympic dam australia slag flotation plant
Local Gold Slag Flotation Method Price. Impacts Of Slag Mill And Flotation. Copper slag flotation impacts of slag mill and flotation testrigin copper slag milling and flotation process gold ore crusher 2013217means being followed by slag cleaning means for recovering copper from said slag more copper slag flotation process description get detail olympic dam australia slag beneficiation
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Crushing Machine Blister
Blister Crushing Machine . blister crushing machine - crusherasia Bottom support to the rubber roll to prevent the blister from crushing In Direct Blister smelting the electric Slag Cleaning copper slag furnace slag copper Get Price And Support Online Plastics Machinery - Thermoforming Machines . …
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Leaching of direct-to-blister copper flash smelting slag ...
Furnace slag from direct-to-blister smelting of copper concentrates contains up to 14% of copper and 2-4% of lead. Considering these above facts, slag is subjected to the high-temperature reduction process; after this, converting process is performed
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Energy and Environmental Profile of the U.S. Mining Industry 5
Tailings from flotation of copper slag are a second RCRA special waste. Traditionally, reverberatory furnaces have been the most common furnaces used ... sulfur and convert the copper sulfide to blister copper, which contains about 99 percent copper. ... Crushing and grinding is the most energy intensive.
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Ali Rahim - Metallurgical Technician - ALS | LinkedIn
• Conducted research with Metallurgists to reduce the copper content in slag and improve the mixed charge slope stability in furnace. •… • Performed work and projects as assigned by Senior Engineers. • Analysed the smelting process and ensured the grade of blister copper was at least 99.5%.
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(PDF) Copper | nata marta - Academia.edu
After removing the slag, additional air or oxygen is blown in to oxidize the sulfur and convert the copper sulfide to blister copper, which contains about 99 percent copper. Thesulfur is removed in the form of SO2 gas, which reports to an acid plant where it is converted to high grade sulfuric acid.
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2013 News | Ivanhoe Mines Ltd.
The smelting process proposed in the PEA is based on the use of Direct-to-Blister flash smelting technology (DBF). For slag cleaning, a two-stage electric furnace process is applied. The smelter has a concentrate smelting capacity of 800,000 tonnes per year, which corresponds to a copper product capacity of 300,000 tonnes per year.
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Blister Copper - an overview | ScienceDirect Topics
Blister copper. The unrefined copper of about 98.5% purity produced from the converting step of copper smelting. Calcium ferrite slag. A slag based on CaO that contains FeO and Fe 2 O 3, which can absorb highly oxidized iron and thus is used in continuous copper converting under higher oxygen partial pressures than in conventional converting processes. ...
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US4802917A - Copper smelting with calcareous flux - Google ...
A process for autogenously smelting copper sulfide ore concentrate directly to semi-blister copper in which a calcareous flux is charged directly to an autogenouse furnace along with concentrate and copper-containing coolant. Furnace products are semi-blister copper, calcareous slag and …
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COPPER Copper production - TU Delft
Sulfidic copper ores are too dilute for direct smelting. Smelting these materials would require too ... Typical equipment for crushing to about 20 cm are gyratory and cone crushers. Then wet grinding ... ( 95 wt % Cu) and to a copper-rich slag. The two ore types can be smelted together to produce matte and a slag with low copper content. Another
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MICROSTRUCTURE CHARACTERISATION OF FREEZE LININGS …
lining microstructure forming on water cooled steel surface in a high-silica, slag cleaning furnace slag of a direct-to-blister copper smelter is mostly glassy or amorphous. It contains 5-30 µm magnetite crystals, very small and larger copper droplets as well as small magnetite and silicate nuclei embedded in the glassy silica-rich matrix.
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Energy and Environmental Profile of the U.S. Mining …
Tailings from flotation of copper slag are a second RCRA special waste. Traditionally, reverberatory furnaces have been the most common furnaces used ... sulfur and convert the copper sulfide to blister copper, which contains about 99 percent copper. ... Crushing and grinding is the most energy intensive.
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copper slag application
to white metal • White metal converting to blister copper • Slag cleaning directed to recover copper from the slag produced during the smelting and partial converting steps. ... Copper Slag Denver Co Direct Download. Application Of Copper Slag In Geomagnetic Archaeointensity Research. ... copper slag crushing unit in tamilnadu. 2:06 ...
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Characterisation of the Effect of Al2O3 on the Liquidus ...
The direct-to-blister copper smelting process is currently used commercially in three smelters, i.e. Olympic Dam (Australia), Glogow II (Poland), and Chingola (Zambia).1) The process involves the oxidation of copper concentrates in a flash furnace to produce copper blister and high-copper, iron-silicate slag containing between 1228mass%Cu ...
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FLUXING OPTIONS IN THE DIRECT- TO-BLISTER COPPER …
Fluxing Options in the Direct to Blister Copper Smelting by the oxygen enrichment degree of process air. In reaction shaft the concentrate parti-cles ignite rapidly and react with oxygen and form blister copper, slag and SO 2-rich gas. The particles are separated from the gas stream in the settler, where they form blister
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Flash Furnace - Outotec
Operation. The Outotec Flash Furnace is a large stationary vessel where sulfuric copper or nickel concentrates are smelted to molten matte or blister copper and slag. The furnace is often water cooled through copper cooling elements tailored for the application and lined with refractories for maximized campaign times.
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GB2099457A - Blister copper production by converting ...
GB2099457A GB8214143A GB8214143A GB2099457A GB 2099457 A GB2099457 A GB 2099457A GB 8214143 A GB8214143 A GB 8214143A GB 8214143 A GB8214143 A GB 8214143A GB 2099457 A GB2099457 A GB 2099457A Authority GB United Kingdom Prior art keywords matte copper reaction reaction zone heat Prior art date Legal status (The legal status is an assumption and is …
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【】_
Advantages and disadvantages 10.2 The ideal direct-to-copper process 10.3 Industrial single furnace direct-to-copper smelting 10.4 Chemistry 10.5 effect of slag composition on Cu-in-slag 10.6 Industrial details 10.7 Control - Target: no matte layer to avoid ing - High % Cu-in-slag from No-Matte-Layer strategy 10.8 Electric Furnace Cu-from ...
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Mineral content of blister coppee
Mineral content of blister coppee Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Mineral content of blister coppee, quarry, aggregate, and different kinds of minerals.
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copper blister processing plant in hungary
At metallurgical plants, copper concentrate is processed in special furnaces to obtain blister copper melt. Blister copper is an intermediate product in the market-grade copper production cycle. It has a copper content of up to 98%, with 2% of admixtures — often other metals. Blister copper is melted in furnaces to obtain anode copper with a ...
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Copper Smelting Chemistry Tutorial - AUS-e-TUTE
The impure copper produced by the converter is referred to as blister copper because bubbles of sulfur dioxide gas on the surface of the copper look like blisters. Blister copper contains 97-98% copper. Impurities in blister copper can include gold, silver, antimony, arsenic, bismuth, iron, lead, nickel, selenium, sulfur, tellurium and zinc.
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US8771396B2 - Method for producing blister copper directly ...
A method for producing blister copper directly from copper concentrate is provided, comprising: a) adding copper concentrate, copper matte, slagging material, oxygen enriched air, endothermic material to an upper segment of the reaction furnace; b) adding reducing agent to the lower segment space of the reaction furnace; c) directing the produced hot coke and liquid slag into an electric ...
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Biorecovery of copper from converter slags: Slags ...
The heaviest molten phase obtained is periodically tapped from the furnace and sent to a converter for its conversion to blister copper. 2. Slag is subjected to cooling/solidification, crushing, grinding and flotation to obtain a 30 to 60% Cu-concentrate (Rao and Nayak, 1992).
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copper smelter plant direct to blister process
Keywords: slag, fluxing, sulphide smelting, blister copper. INTRODUCTION. Fluxing in most pyrometallurgical processes forms the most ingenious step as it controls ... direct-to-blister smelting of low-iron or high-copper concentrates 14 ... In addition, the investment and operation costs of the acid plant are low, because. Get price
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Copper extraction - Wikipedia
Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.. As in all mining operations, the ore must usually be beneficiated (concentrated).
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