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It is necessary to re sorting and recycling One of our customers asks us recycle copper from copper smelting slag in 1936 After detailed observation and experiment we found the copper content is high reaching 3% 4% Due to a long times has passed the copper has been oxidation and appears patina but do not affect the recovery of copper metal
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4 Slag cleaning by using additives The copper recovery from slag during smelting is generally related to the settling be haviour of the matte The settling velocity mainly depends on the size of the particles Metallic/matte droplets with a big diameter settle very fast smaller particles settle much slower to the ground of the bath Thereby if
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The present invention relates to a process for recovery of iron from copper slag This invention particularly relates to a process for recovery of iron from a waste like granulated copper slag generated during the production of copper from its ores by a pyrometallurgical method The present invention will be useful for solving the ecological and environmental issues with an added economic
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Nov 20 2024· Aiming at recovering iron from high iron content copper slag this article introduced a combination technology of deep reduction and magnetic beneficiation investigated the iron recovery efficiency and optimized the technical conditions When coke powder with 86wt% fixed carbon was used as a reductant iron was successfully extracted from the copper slag Under the optimized
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Key words magnetic separation metal recovery nickel bearing laterite nickel metallurgy nickel slag 1 Introduction Nickel is the fifth most common element on earth It is a lustrous silvery white metal with a high melting point of 1453 oC From metallurgical point of view nickel is a versatile metal that easily forms alloys for various applications [1] Nickel and its alloys are very
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Apr 01 2024 Direct reduction magnetic separation is an efficient way to recovery iron from copper slag where iron and copper minerals can be transformed into the desired phases metallic Fe and Cu by direct reducing the mixture of copper slag and carbon as a reductant at about 1200 1300 C [ ]
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magnetic separation decreased in the sequence of Zn>K>Na>Cu Secondary dust captured from the flue gas contained mass% Zn and mass% Pb which could meet the requirements of I grade zinc ore The Zn in the dust existed in the form of ZnO The productivity of the dust was around % The application of mechanical milling in the reduction of copper smelting slag/coal composite
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A magnetic product containing about % iron was obtained from the magnetic separation under a magnetic field strength of 100 mT Large amounts of copper slag containing about 40 wt% iron is generated during the process of producing copper Recovery of iron from the copper slag is very essential not only for recycling the valuable metals and mineral resources but also for protecting the
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These are high temperature processes 800 1300° C that melt the different metals allowing their recovery in the form of alloys copper cobalt nickel and iron which are then refined to obtain the highest purity metal components On the other hand lithium aluminium silicon calcium manganese can be obtained from the slag but with generally expensive processes so using the slag as a
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With the depletion of mineral resources more attention is paid on the secondary resources to recover valuable metals In this paper a research is carried out to recover copper and iron from copper smelting slag by flotation and magnetic separation The influence of grinding fineness and collectors on flotation of copper are investigated A
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The invention relates to a method for extracting iron from slag comprising the following steps of grinding the slag below 10mm placing the grinded slag into a ball mill adding CaO and NaOH according to the mass ratio grinding ore to 200 meshes placing in a surge tank for surging performing magnetic separation after surging separating magnetic iron from weak magnetic iron performing
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Copper recovery magnetic slag Feldspar Crusher 20171212copper recovery magnetic slag copper recovery magnetic slag XSM excellent mining crushing machinery products or production line design the pany is mitted to building the Chinese brand mine crushing and processing machinery mainly crusher mill sand making our products copper recovery magnetic slag in more than one hundred of the
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2 these exist in copper slag mainly in the form of fayalite 2FeO·SiO 2 The molten copper slag is managed near the smelter site It is quenched with water resulting in a glassy granulated amorphous material [5] The processing technologies are different depending on the metals to be recovered from copper slag Magnetic separation
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The proposed process involves the recovery of iron via magnetic separation from flotation tailings after recovering copper from CEFS by flotation % of copper and % of iron were recycled from CEFS where the grades of copper and iron concentrate were % and % respectively This is a significant finding Engineering application clearly proved that recycling copper and iron
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Its main components are fayalite Fe 2 SiO 4 and magnetic iron oxide Fe 3 O 4 accounting for more than 55% of the copper tailings 1 In 2024 it is estimated that million tons of copper tailings were produced worldwide 2 Copper tailing is often discarded into stock dumps or sold for use in cement and roadbed production 3 4 These
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Slag is a by product of smelting pyrometallurgical ores and used metals Broadly it can be classified as ferrous by products of processing iron and steel ferroalloy by product of ferroalloy production or non ferrous/base metals by products of recovering non ferrous materials like copper nickel zinc and phosphorus Within these general categories slags can be further categorized by
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Latest results of the slag cleaning reactor for copper stone crusher for rent in southern california heavy industry is specialized in the design manufacture and supply of crushing equipment used in mining industryAiming at recovering iron from high iron content copper slag this article introduced a combination technology of deep reduction and magnetic beneficiation Sep 02 This is a simple
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Copper Slag Mill Supplier In South Africa Tobis Slag crusher plants manufacturers in South Africa magnetic Slag Conveyor Steel Mill Crusher South Africa lead slag grinding in south africa slag crusher for steel plant in south africa This page copper ore dressing equipment south africa has a 2024 large capacity iron ore crusher machine 12 Sep 2024 Iron ore jaw crusher is the iron ore
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Iron Recovery from Copper Slag Through … A magnetic product containing about % iron was obtained from the magnetic separation under a magnetic field strength of 100 mT Large amounts of copper slag containing about 40 wt% iron is generated during the process of producing copper Recovery of iron from the copper slag is very essential
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Copper slags may differ in their respective composition morphology and mineralogy due to their difference in origin techniques used in the recovery of primary target metals previous metallurgical processes as well as chilling techniques In previous investigations [ [19]
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A big category called new resources the key is to refer to the whole process of industrial production caused by the waste this kind of waste to the corner of the residual material mechanical processing slag dominated If strict requirements can distinguish the model of copper and aluminum alloy this kind of resources can be used to acquire the relative copper
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A novel process to upgrade the copper slag by direct Apr 01 2024· Direct reduction magnetic separation is an efficient way to recovery iron from copper slag where iron and copper minerals can be transformed into the desired phases metallic Fe and Cu by direct reducing the mixture of copper slag and carbon as a reductant at about 1200 1300 °C [ ]
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EDM Copper Wire Factory China Manufacturing High Quality Wholesale Good Price % Pure Copper Scrap 3mm Wire Diameter Copper Wire Scrap FOB Price US$ 3300 3500 / Ton Min Order 10 Tons Hebei Sentai Metal Products Co Ltd View larger video image
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This slag contains large amounts of metallic values such as copper and cobalt A representative slag sample containing % Cu % Co and % Fe was used in the experimental studies Two different methods direct acid leaching and acid baking followed by hot water leaching were used for recovering Cu and Co from the slag
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Industrial Rotary Drum Dryer for Sand Sludge Poultry Manure Iron Ore Copper Concentrate Coal Slime Slag Slurry Rotating Dryer US$ 4000 48000 / Piece FOB Price
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Magnetic Separation Copper Slag 2024 10 10steel slag iron separation process mainly has the following types 1 disc splash water isc method in a steel slag workshop set elevated splash slag plate use the crane to splash liquid steel slag inside slag ladle into the slag platehe slag layer is generally 30 120mm thick then sprayed with proper
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Copper Slag Magnetic Recovery Machine In South Africa About product and suppliers alibabacom offers 83 slag products about 6 of these are other metals amp metal products a wide variety of slag options are available to you there are 83 slag suppliers mainly located in africa the top supplying country or region is south africa which supply 100 of slag respectively buying request hub
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Hydrometallurgical treatment is widely used on copper recovery from copper slag that including direct leaching in sulphuric acid leaching in sulphuric acid through H 2 S gas or ferric chloride [10 11] but leaching of the copper slag may be too expensive because it requires high consumption of strong acid and reagents and very toxic Magnetic separation and reduction smelting method are
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Copper smelting produces large amounts of slag and new methods of handling this by product are required Considering copper smelting slag as metal resource we studied the effects of a slow cooling process on the crystal growth of magnetite in smelting slag and the applicability of magnetic separation techniques
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The results show that under the proper conditions the copper grade of rougher copper concentrate was increased from % to % iron recovery of magnetic separation was increased significantly from % to % and other evaluation indexes were changed slightly in comparison with unmodified copper slag Moreover matte and magnetite
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