equipment for recovering copper from furnace slag
PROCESSING OF SLAGS OF COPPER MANUFACTURING WITH THE USE ,
The article discusses the issues of processing slag of copper production using devices that model ideal mixing It has been shown that the use of this type of apparatus increases the efficiency of physical and chemical processes and significantly reduces the copper content in dump slags It has been found that the process of reduction of ferric iron oxide by the clinker in ,...
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Copper Processing
5 Copper Processing 5 The copper processing industry refines copper from metal ores or scrap copper The leading consumers of copper are wire mills and brass mills, which use the copper to produce copper wire and copper alloys, respectively End uses of copper include construction materials, electronic products, and transportation equipment...
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Enhancing the flotation recovery of copper minerals in ,
submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags The copper content of the slags range between 08 to 5 wt and this is considered too high for disposal to the environment Currently, the slags are sent to a milling and flotation plant for liberation and recovery of residual copper ....
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PDF Improving Beneficiation of Copper and Iron from ,
Apr 14, 2016 0183 32 furnace slag and refining of copper in T ongling Non-ferrous Metals , recovering copper from the cooled slag obtained in Step 3 by , XMQ240 90, Wuhan Rock Crush Grand Equipment ....
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123 Primary Copper Smelting
Slag produced by flash furnace operations contains significantly higher amounts of copper than reverberatory or electric furnac Flash furnace slag is treated in a slag cleaning furnace with coke or iron sulfide Because copper has a higher affinity for sulfur than oxygen, the copper in the slag as copper oxide is converted to copper sulfide...
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Copper Smelting
Jan 13, 2021 0183 32 The best recovery was from the COS furnace overflow slag cooled at room temperature 72 percent recovery with 48 percent copper grade The most pronounced effect upon copper recovery is cooling rate The addition of lime to produce a more fluid slag did not result in better copper recovery by flotation...
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Rio Tinto Kennecott smelter
Jul 03, 2017 0183 32 Control of magnetite in slag has also improved, with lower Fe 3 O 4 in slag due to better lime/flux control which in turn helped improve tapping conditions and also maximize available furnace blister capacity Improved control of S in blister is also a direct result of improved copper in slag control in the FCF and is generally in the 02 ....
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Recovery of metals from melting furnace slag Mining ,
Jul 18, 2013 0183 32 Recovery of cobalt, nickel, and copper from slags, using DC , The most effective means for the recovery of metals , Molten slag may be fed directly to the 56 MVA furnace from a pre-melting , When treating furnace slag ,...
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Recycle Metal From Slag The Recycling Process
Nov 11, 2021 0183 32 When it is economically uneconomical to recover these metals from the slag, the slag can be discarded for other purpos For example, copper smelting waste slag contains Cu 02-04 , and ferrovanadium smelting waste slag contains V2O502-03...
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Factors to consider when investing into a new e
Dec 07, 2021 0183 32 Slag cleaning is commonly employed in smelters to maximize the recovery of valuable metals, as well as to meet environmental standards for leachability of the slag High recoveries of up to 98 Cu and gt 99 of precious metals can be achieved with the inclusion of a slag cleaning process and if all dusts are treated and recycled within the process...
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Improving Copper Recovery from Production Slags by ,
After matte smelting and standard slag cleaning in submerged arc furnaces SAF , the fayalitic slag still contains up to 1 of copper and other valuable metals like nickel, cobalt or molybdenum In addition future regulations may restrict the heavy metal contents both in the solid and eluate in slags used for construction purposes in the future...
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Metal Melting Furnace, Induction Metal Melting Machine for ,
SuperbMelt metal melting furnaces are widely used in various of metals smelting, such as gold, silver, copper, platinum etc, from 1kg to 250kg Adopt IGBT induction technology and optional PLC control system to achieve speedy melting and accurate temperature control RFQ NOW...
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equipment for revering pper from furnace slags
equipment for recovering copper from furnace slags equipment for recovering copper from furnace slags sale Rotary Reverberatory Furnace Smelting The furnace can be designed with effective working volume minimal 015m3 suitable for the recovery of anode slime PMcontaining smelting slag lead refining dross and all kinds of dust It can also treat ,...
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furnace slag recycking equipment
blast furnace slag crushing grinding plant Ground granulated blast furnace slag GGBS has been used in composite cements, on the processing done once the slag is removed from the furnace, with other natural rocks and sands Crushed and graded for concrete aggregates,, BFS contain elements...
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An Overview of Recovery of Metals from Slags
PK Jena A study of the recovery of copper, nickel and cobalt from copper converter and smelter slags by leaching with ferric chloride is reported The ,...
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RECOVERY OF PIG IRON FROM COPPER SMELTING SLAG BY ,
RECOVERY OF PIG IRON FROM COPPER SMELTING SLAG BY REDUCTION SMELTING Copper slag is a by-product obtained during smelting and refining of copper Copper smelting slag typically contains about 1 wt copper and 40 wt iron depending upon the initial ore quality and the furnace type Main components of copper slag are iron oxide and silica...
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A Study on Reduction of Copper Smelting Slag by Carbon for ,
Dec 15, 2019 0183 32 Copper smelting slag is a solution of molten oxides created during the copper smelting and refining process, and about 15 million tons of copper slag are generated annually in Korea The oxides in copper smelting slag include ferrous FeO , ferric oxide Fe2O3 , silica SiO2 from flux , alumina AI2O3 , calcia CaO and magnesia MgO The main oxides in ,...
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Chapter 6 Copper Production Technology
The Egyptian copper smelting furnace was filled with a mixture of copper ore, charcoal and iron ore to act as a flux It was blown for several hours by foot or hand bellows By the end of the smelt the copper had separated from the slag, which was tapped off SOURCE Robert Raymond,Out of tfre Fjery Furnace University Park, PA The Pennsylvania ....
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How to Recover Copper from Slag by Flotation
Feb 03, 2021 0183 32 Recovery of copper in concentrates from slags cooled in the induction furnace and ground for 30 minutes ranged from 871 to 962 percent with the best recovery obtained on the highest grade slag sample Copper content of the flotation tailings, which is the most important indicator, ranged from 026 to 039 percent...
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Extractive Metallurgy of Copper
108 Electric Furnace Cu-from-Slag Recovery 186 1081 Glogo 180 w 187 1082 Olympic Dam 187 109 Cu-in-Slag Limitation of Direct-to-Copper Smelting 187 1010 Direct-to-Copper Impurities 187 1011 Summary 188 References 189 Suggested Reading 189 11 Copper Loss in Slag 191 111 Copper in Slags 191 112 Decreasing Copper in Slag I ....
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Recovery Of Iron From Steel Furnace Slags
Apr 17, 2015 copper slag recovery equipment , equipment used in the recovery of iron from copper slag , equipment for recovery of gold silver copper lead Read More How copper is made material, used, processing, steps Most of ....
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Metallurgical furnace and related equipment
Pyrometallurgy Electrical Arc Furnace The electric furnace for tin concentrate smelting belongs to the category of electric arc resistance furnace The current is supplied to the smelting bath through direct contact with slag solid material to generate electric arc and heat for reduction smelting « 1 2...
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Settling of Copper Phases in Lime Modified Iron Silicate Slag
Jul 10, 2021 0183 32 Copper in discarded slag decreases the profits and copper recovery during the pyrometallurgical extraction process The copper losses to slag can be reduced by using a settling furnace, in which mechanically entrained copper droplets separate from the slag under the action of gravity The settling rate of entrained droplets can be increased by modifying the ,...
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Pyrometallurgical recovery of copper from slag material ,
What we claim is 1 A cyclic, two-stage process for recovering essentially all copper values present in molten slag, comprising a subjecting a charge of the molten slag to vigorous agitation in a rotary reactor rotating at a speed of at least about 10 rpm b adding a carbonaceous or hydrogenous reductant to said charge of molten slag in the rotating reactor ,...
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Energy and Environmental Profile of the US Mining ,
slags from some smelting furnaces are higher in copper content than the original ores taken from the min Therefore, they may be sent to a concentrator for copper recovery Tailings from flotation of copper slag are a second RCRA special waste Traditionally, reverberatory furnaces have been the most common furnaces used...
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Control of Copper Smelter Fugitive Emissions
Fine particles are dis- persed into the furnace, and flash combustion of the sulfides creates the heat required for the smelting The molten matter falls on the molten bath, again forming a matte and a slag layer Charging is continuous The slag, of high copper con- tent, is treated for copper recovery...
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Energy recovery from high temperature slags
Sep 01, 2011 0183 32 This slag, if cooled to 150 176 C through the proposed system, can generate as much as 106 Nm 3 of CO H 2 molar ratio of H 2 CO = 3 1 exiting the reactor at 1100 176 C This would represent chemical energy recovery of 024 GJ/ton crude steel 081 GJ/ton slag or 51 of the slag thermal energy...
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A Study on Reduction of Copper Smelting Slag by Carbon for ,
Copper smelting slag is a solution of molten oxides created during the copper smelting and refining process, and about 15 million tons of copper slag are generated annually in Korea The oxides in copper smelting slag include ferrous FeO , ferric oxide Fe2O3 , silica SiO2 from flux , alumina AI2O3 , calcia CaO and magnesia MgO The main oxides in copper slag, which ,...
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Lead and Zinc Smelting
matte copper sulfide and other metal sulfides , blast furnace slag primarily silicates , and lead bullion 98 by weight All layers are then drained off The speiss and matte are sold to cop-per smelters for recovery of copper and precious metals The blast furnace slag, which contains zinc, iron, silica, and lime, is stored in piles and...
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copper processing
copper processing - copper processing - Roasting, smelting, and converting Once a concentrate has been produced containing copper and other metals of value such as gold and silver , the next step is to remove impurity elements In older processes the concentrate, containing between 5 and 10 percent water, is first roasted in a cylindrical, refractory-lined ,...