fire-refining of copper

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The Utilization of Copper Continuous Smelting Converting

The final blister copper fire refining technology mostly adopts rotary anode furnace Therefore in the process of processing and extracting the copper from concentrate to produce anodes there are dozens of technology combinations Among them the non continuous converting technologies for molten or …

refining of blister copper

Fire refining of blister copper then removes most of the oxygen and other impurities leaving a product at least percent pure which is cast into anodes Finally most anode copper is electrolytically refined ³ usually to a purity of at least percent Chat Blister Copper an overview ScienceDirect Topics The produced concentrates are smelted to remove volatile and other

copper refining process

Blister copper containing a minimum of copper is refined to high purity copper in two steps The first step is fire refining in which the molten blister copper is poured into a cylindrical furnace similar in appearance to a converter where first air and then natural gas or propane are blown through the melt to remove the last of the

refining of copper process

Outotec Outotec174 Fire Refining In Outotec174 Fire Refining Process blister copper is processed into anode copper and has two main stages oxidation and reduction Inquire Now Refining of the Copper and investment casting ScienceDirect

CONTINUOUS FIRE REFINING OF BLISTER COPPER

The continuous fire refining of copper in a packed bed is a feasible process ensuring the proper copper oxidation sulphur removal and copper reduction before anode casting The dispersion and motion of a liquid copper in a ceramic packed bed increase the gas/ liquid reaction surface area resulting in a very high rate of oxidation and copper desul phurization Similarly dispersed copper in a

copper refining techniques parameters

Copper Refining From Ore to Market INN Copper Refining From Ore to Market Mined rock typically contains less than 1 percent copper That means to become a marketready copper product it must undergo a variety of physical and chemical processing steps …

fire refining of copper

Fire refining Outotec Outotec offers advanced fire refining solutions for producing high quality anode copper to enable smooth casting and electrolytic refining operations Patent EP2111471A1 Installation for continuous fire 1 An installation for continuous copper fire refining said the system of reactors comprising the components

Copper Fire

Copper Fire Refining HORMESA train the customer in fire refining process starting from 2nd quality scrap and guarantees % Cu with 100 IACS min of conductivity as final product of the process Resolution Process Chart

Copper Chemistry

Smelting of the copper concentrate and extraction by heat flux and addition of oxygen Sulfur iron and other undesirable elements are removed and the product is called blister copper Refining; This is the final stage in the process for obtaining high grade copper Fire and electro refining methods are the techniques used

FIRE REFINING OF COPPER

FIRE REFINING OF COPPER United States Patent 3615361 Abstract A process is disclosed for fire refining copper sulfide having a copper to nickel ratio of more than about 7 3 which process comprises maintaining a molten bath of copper sulfide in a turbulent state to volatilize at least about 50 percent of at least one impurity from the group consisting of bismuth lead tin and zinc then

Andritz MAERZ GmbH COPPER DIVISION Furnace systems for …

Fire refining of liquid blister copper Desulphurization of blister copper Continuous launder charging / batch wise ladle charging Holding of liquid copper Features Anode Refining Furnaces and Pierce Smith Converters 16 Company presentation March 2021 Converting of copper matte Different kinds of fuel used for combustion and refining Single aggregate for refining and casting Flexible

copper refining silica

Fire refining of copper consists of charging blister copper and/or copper scrap into a reverberatory furnace and melting the copper Typically silica is added as a flux to assist in forming a slag while the molten copper is oxidized by blowing air below the bath surface Copper oxide …

copper refining and melting process

2021 9 10 typical pyrometallurgical copper smelting process as illustrated in Figure 1 includes 4steps roasting smelting concentrating and fire refining Ore concentration is roasted to reduceimpurities including sulfur antimony arsenic and lead The roasted product calcine serves as adried and heated charge for the smelting furnace Smelting of roasted calcine feed or

FIRE REFINING OF BLISTER COPPER

FIRE REFINING OF BLISTER COPPER United States Patent Application 20180142323 Kind Code A1 Abstract Provided herein is a process of fire refining blister copper comprising the steps of a providing molten blister copper into an anode furnace; b when sulfur concentration of the molten blister copper provided in step a is above a first

fire refining of copper

FIRE REFINING OF COPPER INTERNATIONAL NICKEL A process is disclosed for fire refining copper sulfide having a copper to nickel ratio of more than about 7 3 which process comprises maintaining a molten bath of copper sulfide in a turbulent state to volatilize at least about 50 percent of at least one impurity from the group consisting of bismuth lead tin and zinc then surface blowing

Extractive Metallurgy of Copper

The work focuses particularly on currently used industrial processes used to turn raw materials into refined copper metal rather than ideas working only on paper Fire Refining S and O Removal and Anode Casting Industrial Methods of Fire Refining Chemistry of Fire Refining Choice of Hydrocarbon for Deoxidation

fire refining of copper

metallurgy Fire refining metallurgy Fire refining Iron copper and lead are fire refined by selective oxidation In this process oxygen or air is added to the impure liquid metal the impurities oxidize before the metal and are removed as an oxide slag or a volatile oxide gasThe basic oxygen furnace BOF is a vessel used to convert pig iron of about 94 percent

Method of refining copper

The known method of fire refining of copper including the oxidation of the impurities in the melt of copper with oxygen transfer impurities in the slag removal and recovery of oxidized copper in the melt severyukov N N Kuzmin B N The Chelishchev E C General metallurgy M metallurgy 1976 S the property selected as a prototype One of the most essential disadvantages of this method

ASTM E53

This test method covers the electrolytic determination of copper in chemical electrolytic and fire refined copper In this method silver is deposited with the copper and is reported as copper This standard does not purport to address all of the safety concerns if any associated with its use

Modeling of Metallurgical Process of Copper Fire Refining

Abstract The refining of blister copper is based on the partial removal of impurities that have an increased affinity for oxygen The most interesting is the process of centralized copper refining at one plant This is because blister copper from the producer plants has a different chemical composition Obviously the batch of each loading also has a variable chemical composition

copper refining silica

Fire refining of copper consists of charging blister copper and/or copper scrap into a reverberatory furnace and melting the copper Typically silica is added as a flux to assist in forming a slag while the molten copper is oxidized by blowing air below the bath surface Copper oxide is formedbines with the silica in the formation of the slag

Extractive Metallurgy of Copper

11 Copper Loss and Recovery from Slag 12 Capture and Fixation of Sulfur 13 Fire Refining and Anode Casting 14 Electrorefining 15 Leaching 16 Solvent Extraction 17 Electrowinning 18 Collection and Processing of Recycled Copper 19 Chemical Metallurgy of Copper Recycling 20 Melting and Casting 21 Processing of Byproducts 22 Costs of

Refining of copper pdf files

REFINING OF COPPER PDF FILES >> DOWNLOAD REFINING OF COPPER PDF FILES >> READ ONLINE extraction of copper class 12 refining copper copper production process pdf extraction of copper from copper sulphide extraction of copper from sulphide orecopper smelting process pdf extraction of copper pdf download extraction of copper pdf PDF A simple clean and efficient one pot process is offered as

PDF Reducing agents in fire refining of copper

Briefly fire refining consist of the stage of oxidation of impurities and their removal to the slag phase followed by the reduction of copper oxide in order to obtain the copper anodes with an

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