flash converting anode impurities

Program Copper 2016


How copper is made material used processing steps

The molten copper which is about 99 5 pure is then poured into molds to form large electrical anodes which act as the positive terminals for the electrorefining process 9 Each copper anode is placed in an individual tank or cell made of polymer concrete

Electrolysis Refining Of Copper Anode Solution Gold and

Meanwhile copper atoms in the positive anode give up electrons and dissolve into the electrolyte solution as copper ions But the impurities in the anode do not go into solution because silver gold and platinum atoms are not as easily oxidized converted into positive ions as copper is So the silver gold and platinum nbsp

Copper Smelting IFC

So called flash smelting techniques have therefore been developed that utilize the energy released during impurities as converter slag and to form blister copper Blister copper is further refined as either fire refined copper or anode copper 99 5 pure cop per which is used in subsequent electrolytic refining


Large amount of copper are obtained from copper pyrite CuFeS2 by smelting Ores containing 4 or more copper are treated by smelting process Very poor ores are treated by hydro metallurgical process For latest information free computer courses and high impact notes visit www citycollegiate com EXTRACTION nbsp

How copper is made material used processing steps product

Background Copper is one of the basic chemical elements In its nearly pure state copper is a reddish orange metal known for its high thermal and electrical conductivity It is commonly used to produce a wide variety of products including electrical wire cooking pots and pans pipes and tubes automobile radiators and nbsp

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

Anode Furnace Outotec

The furnace is operated in batches First sulfur is removed by oxidation followed by oxygen removal by reduction Additionally impurities such as lead arsenic and antimony can be removed by fluxing the blister copper with proper flux The anode furnace can also


This application the Kennecott Outokumpu Flash Converting process will celebrate its 10 th anniversary of commercial scale operation this year This paper outlines the development in efficiency and flexibility of Blister Flash Smelting processes compared to other smelting and converting options The focus is on the nbsp

Recycling Free Full Text Primary Copper Smelter and

The primary production of sulfide concentrates includes smelting to copper matte or blister copper conversion of matte to blister copper and refining to copper Smelting converting and fire refining can use a limited amount of secondary materials Molten copper can effectively dissolve many metals from valuable noble metals to harmful impurities such as bismuth However some of the

Page 1 This document is made available electronically by the

5 Sep 2013 Iron During Matte Smelting Source Biswas 1976 Estimated Distribution In Percent of Impurity Elements During Converting Source Biswas 1976 fugitive gas emissions i e flash furnace converters anode furnace fugitive particulate emissions i e flash furnace converters anode furnace

Patent US5849061 Process for refining high impurity copper to

15 Dec 1998 A process for refining high impurity blister copper to anode quality copper is disclosed In an oxidation step of a blister Sb and bismuth Bi impurities All existing flash and bath smelting processes that refine copper sulfide concentrates into blister copper consist of two stages smelting and converting


Optimum potential difference is 1 3 volt for this electrolytic process During electrolysis pure copper is deposited on the cathode plates and impurities which are soluble and fall to the bottom of the cell as anode mud or sludge

Gen Chem II EXAM 4 Flashcards Quizlet

Start studying Gen Chem II EXAM 4 Learn vocabulary terms and more with flashcards games and other study tools Search A hydrogen is liberated at the anode B oxygen is liberated at the anode A Converting the metal into a gaseous compound to remove impurities B Converting the metal to a liquid to remove impurities

Chapter 82 Metal Processing and Metal Working Industry

The flash smelting process is an example of an energy saving pyrometallurgical process in which iron and sulphur of the ore concentrate are oxidized Solid impurities in the anodes fall to the bottom of the cell as a sludge where they are ultimately collected and processed for the recovery of precious metals such as gold nbsp

Copper extraction Wikipedia

The sulfide concentrates are typically smelted in such furnaces as the Outokumpo or Inco flash furnace or the ISASMELT furnace to produce matte which must be converted and refined to produce anode copper Finally the final refining process is electrolysis For economic and environmental reasons many of the nbsp

Copper Isasmelt – Dealing with Impurities Invited

The ability to efficiently remove impurities contained in concentrates is a key point to consider when selecting copper smelting technology for new plants or modernisation projects Volatilisation of impurities such As and Sb should occur as early as possible in the process and preferably in the smelting furnace so that they nbsp

Primary Copper Smelting EPA

Process steps include mining concentration roasting smelting converting and finally fire and electrolytic refining As the copper anode dissolves metallic impurities precipitate and form a sludge Cathode copper converter particulate emissions from flash furnace smelters are expected to be lower than those from

Plant concepts Impurity management in copper smelting Aaltodoc

23 elokuu 2016 These impurities are difficult to remove from anodes since when copper is dissolved from the anode in electrorefining processes the impurities also dissolve into the The study focused on leaching tests for Flash smelting furnace FSF and Pierce Smith converter PSC electrostatic precipitator dusts

Effect of sulfur impurity on coke reactivity and its mechanism

Abstract Effect of sulfur impurity on coke reactivity was investigated by simulating petroleum coke with low impurity pitch coke and impurities doping And its it changed as the anode impurities situation changed remarkably HARDIN and in air at high temperature and converted to SO2 since its ignition point is only 260 nbsp

Furnace systems for the copper industry Andritz MAERZ

2 Copper Production Routes Primary Copper production Primary Industry Copper Concentrate TSL PS Converter Anode Furnace Casting Wheel Electro Refining Flash Anode Cathode Copper Processing 9 MAERZ COPPER DIVISION Anode Cathode TBRC Andritz MAERZ 39 s Scope of Supply nbsp

WO1998012360A1 Process for refining high impurity copper

A process for refining high impurity blister copper to anode quality copper is disclosed In an oxidation step of a blister copper refining stage soda ash fluxing removes antimony and arsenic while also removing sulfur and iron In a deoxidation step of the blister copper refining stage sulfur hexafluoride is injected at a controlled oxygen concentration to remove bismuth while reducing the

Copper Smelting Process Furnaces Used By Products and

This process consists of suspending an anode in a tank containing copper sulphate and a plate of pure copper effectively acting as a cathode A current is passed through the solution and the copper ions are stripped from the anode and deposited on the cathode the impurities falling through the solution to the bottom of the tank

Deutsches Kupferinstitut Production of copper

This process extracts the final 10 of the copper that would otherwise remain after flash smelting In fire refinement impurities are removed in the air furnace by blowing air through quot poles quot of the liquid copper matte in the rotary kiln anode furnace where the last traces of sulfur are removed During this process the oxygen nbsp

Rio Tinto Kennecott Smelter Outotec

Rio Tinto Kennecott Smelter Rio Tinto Kennecott Smelter 20 Years Strong The Rio Tinto Kennecott RTK Smelter near in Salt Lake City Utah is entering its 20 th year of operation since the Smelter Modernization Project in the early 1990 s when flash smelting and Kennecott Outotec Flash Converting was first implemented

mitsubishi process smelters in operation around the world

1 Dec 1990 Anode Anode copper Anode furnace C furnace C slag recyled to S furnce Blister copper Lance Offgas Offgas Anode scrap Lance blowing air be acceptable in the future Modern day alternatives include the Mitsubishi Process Outokumpu Flash Smelting and Flash Converting Process the

Copper Smelter Chemistry Elmhurst Elmhurst College

The molten copper I sulfide called copper matte is run into a converter furnace where air containing oxygen is blown through the copper matte to oxidize the sulfide ions to sulfur dioxide At the same time some of the sulfide ions reduce the copper I ions to impure blister copper metal A final heating in an anode furnace nbsp

Innovations Trapping Sulphur Copper Development Association Inc

Thanks to its inherently low sulphur emissions and low operating costs flash technology is gaining ground as the smelting industry keeps reducing emissions and increasing capacity Kennecott Outokumpu flash converting sets a new industry standard Smelters are vast producers of sulphur as a by product of metals nbsp

Bottom blown oxygen converter Wikipedia

The Bottom blown Oxygen Converter or BBOCTM is a smelting furnace developed by the staff at Britannia Refined Metals Limited BRM a British subsidiary of MIM Holdings Limited The furnace is currently marketed by Glencore Technology It is a sealed flat bottomed furnace mounted on a tilting frame that is used in the nbsp

Semiconductors Flashcards Quizlet

adding impurities to a pure material to help it conduct Before the doping process the pure semiconductor material is said to be in its form the anode is positive in respect to the cathode When connecting power supplies that convert AC to DC note that the will determine the load polarity diode polarity

Copper Sulphuric Acid

Flash converting closely resembles flash smelting Flash smelting is a closed process and consequently off gas emissions can be efficiently controlled Flash converting had its first application in the expansion and modernization of Kennecott s copper smelter near Salt Lake City Utah which was implemented during 1992 95 Coupled with flash

Existing OpEratiOn 2 BHP

The existing operation uses a concentrator smelter and refinery dioxide rich gases from the flash furnace and the anode furnaces produced during the oxidation cycle are directed to electrorefining process is used to convert anode copper to London Metal Exchange LME A grade cathode copper

April 2017 Regulatory Trends Affecting Copper Ecometales

6 Apr 2017 Copper content in smelter output higher than global refined copper output again in 2016 More blister anodes from concentrates more impurities to be recovered disposed by copper refineries in 2017

Primary Metal Production

In pyrometallurgy metals are extracted by converting sulfides into oxides and then reducing Molten metals tend to dissolve impurities from the ore Figure 20 Integrated flash smelting flash converting copper production facility Flash Smelter Sulfuric Acid Plant Flash Converter Fire Refining Anode Caster E lectro ly

Recent operation and environmental control in the Kennecott Smelter

flash converting Copper anodes are processed in a modernized copper refinery using the Kidd Process while anode slimes are processed for precious hydro metallurgical plant to fix impurities in a stable form allow for the rejection of Concentrate is combined with silica flux and flash converting furnace slag and

US20170058380A1 Method of converting copper containing

The present invention provides a method of converting copper containing material to blister copper comprising a providing copper containing material comprising copper sulfides and iron sulfides whereby the copper containing material comprises at least 35 wt copper of the total weight of the copper containing material b reacting the copper containing material in a furnace with an

SYKE 316 Helda

2 4 Outokumpu Flash Smelting Process at Harjavalta Plant Converting to Blister Anode Casting Electrorefining to Cathode Electrowinning Figure 1 Flowsheet of primary copper production Only the pyrometallurgical copper process is In the solution purification plant the impurities are removed from the electrolyte

Innovations Trapping Sulphur Copper

It is estimated that without flash smelting the annual world sulphur dioxide emissions would be 5 to 10 million tonnes higher A Big Step for Copper Smelting Flash Converting Converting an integral part of the copper smelting process is the removal of impurities by

How Aluminum is Produced rocksandminerals com

The key to the chemical reaction necessary to convert the alumina to metallic aluminum is the running of an electrical current through the cryolite alumina mixture The process requires the use of direct current DC – not the alternating current AC used in homes The immense amounts of power required to produce aluminum is the reason why

degradation mechanisms of copper anode furnace refractory linings

22 b Reverberatory furnace smelting 23 c Electric furnace smelting 24 d Flash furnace smelting 25 e Bath smelting 28 1 4 3 Converting of mattes 31 other impurities A slag containing copper oxide forms which also contains oxidised impurities Precious metals are not oxidised and remain in the host metal until nbsp

quot Copper quot in Wiley Online Library

impurity behavior Especially lead is a problem because of the calcium ferrite slag If too much lead is in the feed the copper anodes are too rich in lead for electrorefining A comparison of the impurity behavior is given in Table 14 5 7 3 Kennecott Outokumpu Flash Converting Process In the 1980s Kennecott announced nbsp

Copper Anode Slime Metalcess

Anode slime is a byproduct of copper or lead electro refining process and found in electrolytic cell bottom or on the anode scrap surface The copper anode slime and lead anode slime usually contain precious metals like gold and silver

Copper interactive Oresome Resources

Step 1 Arrange each step Drag the sections of the copper refining process to their correct positions Correctly placed sections will snap into position and change to colour Incorrect sections will snap back to their starting position Select a stage of the process to zoom in To zoom out click on the white space

Kennecott Copper Mine Utah Flickr

After being cooled the copper matte is crushed and fed into a flash converting furnace which removes most of the remaining impurities to produce a molten copper called blister which is about 98 copper Anode furnaces refine it further and the copper is cast into plates called anodes weighing about 700 pounds each and containing 99 6 copper

NFR 2 C 7 a Copper production SNAP 040309a Copper

to an electrolytic refinery for further impurity elimination roasting and smelting to produce a high grade copper matte from concentrates and flux Most flash furnaces use the heat generated from partial oxidation of their Converter copper is charged together with copper raw materials in an anode furnace operation For

Rio Tinto Kennecott Smelter Outotec

The Rio Tinto Kennecott RTK Smelter near in Salt Lake City Utah is entering its 20 th year of operation since the Smelter Modernization Project in the early 1990 39 s when flash smelting and Kennecott Outotec Flash Converting was first implemented During this period the Smelter has seen a number of innovative technical nbsp

Kumera Peirce Smith Converter Kumera Corporation

Peirce Smith Converter Peirce Smith Converter Swivel Joint In converting the impurities are removed from copper matte The most important are iron sulphur lead The increase in copper content achieved during the converting phase after flash smelting is from 55 70 to 98 The treating capacity of matte per batch nbsp

Flash Converting Anode Impurities

An update on Flash Converting at Kennecott Utah Copper corporation Matte is granulated and processed using Kennecott Outokumpu flash converting Copper anodes are

Definitions International Copper Study Group

In some cases the concentrated ore is smelted in an air or oxygen flash smelting furnace „flash smelting quot without prior roasting The matte It is the product of a converting furnace Copper It is produced from blister copper by reduction with natural gas or wood to remove oxygen and other impurities in an anode furnace

When purifying copper by electrolysis which electrode is

 · The impurities left behind at the anode form a sludge beneath it The next step carried out in an oxygen flash furnace is heated using natural gas to a high temperature is run into a

Understanding Impurities in copper electrometallurgy Scholars 39 Mine

impurities in copper electrowinning and electrorefining The first part 2 3 2 Smelting Converting Dry concentrate is smelted Modern flash smelting techniques have improved the efficiency of pyrometallurgical copper refinement impurities in the anode material either 1 report to the electrolyte and remain in solution

fcs slag for continuous copper converting CiteSeerX

Kennecott Outokumpu Oy Flash Converting Process operation in the Mitsubishi C furnace since 1974 and the flash converter started operation in 27 sulphur with other minor metal impurities Copper is extracted from the sulphide ore via three steps of matte smelting converting to blister copper and anode refining

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