flash converting anode impurities

fluxing options in the direct- to-blister copper smelting - Pyro.za

Blister Flash Smelting, i.e. the Flash Converting and the Direct-to-Blister Flash Smelting .. forming blister is low enough allowing treatment in the anode furnace together with the. Flash Smelting .. as well as impurities, as As and Sb oxides.

fcs slag for continuous copper converting - RMIT Research Repository

Figure 2.1.5: Kennecott-Outokumpu Flash Converting technology (Fahey, 2002). 19 .. converting removes iron, sulphur and other impurities from the matte, thereby ... the anode furnace and great care is taken to ensure that copper is not.

Recent operation and environmental control in the Kennecott Smelter

Kennecott-Outokumpu flash converting technology to process solid matte through to .. electrostatic precipitator primarily to control impurities in anode copper.

smelting - an overview | ScienceDirect Topics

Flash smelting combines roasting and melting in one furnace. .. The disadvantage of pneumatic converter steel is that the nitrogen, hydrogen and other impurities in .. at a Mo, W or Fe (more usual) cathode, the cell having a carbon anode.

Copper extraction - Wikipedia

For modern methods, see Flash smelting and ISASMELT. The Chino open-pit copper mine in New Mexico. Chalcopyrite specimen from Huaron mine, Peru. Copper extraction refers to the methods used to obtaining copper from its ores. The conversion . to produce matte, which must be converted and refined to produce anode.

ASARCO » Smelting

At the Asarco copper smelter in Hayden, Arizona, the oxygen flash furnace is initially heated . The silica flux binds with the iron and other impurities and keeps them . ladle and pours the molten matte into another type of furnace called a converter. . The anode furnace blows natural gas into the melt to burn off the oxygen.

Plant concepts - Impurity management in copper smelting - Aaltodoc

23. elokuu 2016 . These impurities are difficult to remove from anodes, since when copper . for Flash smelting furnace (FSF) and Pierce-Smith converter (PSC).

degradation mechanisms of copper anode furnace refractory linings

flash smelting furnace to produce matte (55 60 wt% Cu), (ii) conversion of the matte .. Impurities are prevented from plating on the cathode by choosing an.

The Aluminum Smelting Process and Innovative Alternative .

May 8, 2014 . Aluminum hoods are there to facilitate collection of the anode gases and . It always contains small amounts of impurity oxides like Na2O, CaO, Fe2O3, and SiO2. ... flashes) and some operators who have dental fillings with mercury, .. months before it converts to CO2 by natural atmospheric processes.

Copper Production as an Application of Optimization and .

Smelting of the concentrate in a flash smelting furnace (FSF). Matte (~65% . Converter slag is also processed in the slag concentrate plant and the recycled to the FSF. . control the impurities, such as Ni, As, Sb and Bi, in the anode copper.

(PDF) FLASH CONVERTING AFTER 10 YEARS - ResearchGate

Aug 1, 2018 . PDF | The Kennecott-Outokumpu Flash Converting Furnace (FCF) has . The copper refinery was also modernized at the same time, and its impurity control strategy . Direct laundering of blister copper to the anode furnaces.

flash converting anode impurities,

minor elements in copper smelting and . - McGill University

Outokumpu Flash Converting Furnace was also discussed. . In electrorefining, Pb was found to report predominantly to anode slimes while ... Iron and sulphur are the principal impurities in the copper concentrates comprising on average as.

Primary Copper Smelting - EPA

As the copper anode dissolves, metallic impurities precipitate and form a sludge. .. converter particulate emissions from flash furnace smelters are expected to.

fcs slag for continuous copper converting - RMIT Research Repository

Figure 2.1.5: Kennecott-Outokumpu Flash Converting technology (Fahey, 2002). 19 .. converting removes iron, sulphur and other impurities from the matte, thereby ... the anode furnace and great care is taken to ensure that copper is not.

April 2017 Regulatory Trends Affecting Copper . - Ecometales

More blister/anodes from concentrates = more impurities to be recovered/disposed ... matte conversion process, BAT is use flash furnaces. 5. a top-blown rotary.

EMEP/EEA air pollutant emission inventory guidebook 2016 – Last .

Various trace elements from impurities are present in the copper ores, which are emitted . temperature in the furnace can reach 1500 °C. Flash furnace smelting .. Converter copper is charged together with copper raw materials in an anode.

How copper is made - material, used, processing, steps, product .

The chemical reactions in the converter are similar to those in the flash furnace. . pure copper, it still contains high enough levels of sulfur, oxygen, and other impurities to . 9 Each copper anode is placed in an individual tank, or cell, made of.

Environmental, Health, and Safety Guidelines Base Metal Smelting .

Apr 30, 2007 . and Outokumpu/Kennecott flash smelting/flash converting processes do not require ladle . may be mobilized as contaminants in particulate matter, mists, .. Anode effects occur when the alumina content of the electrolyte.

(PDF) FLASH CONVERTING AFTER 10 YEARS - ResearchGate

Aug 1, 2018 . PDF | The Kennecott-Outokumpu Flash Converting Furnace (FCF) has . The copper refinery was also modernized at the same time, and its impurity control strategy . Direct laundering of blister copper to the anode furnaces.

RECENT TRENDS IN OUTOKUMPU PRACTICE . - Artigos ENTMME

The Outokumpu flash smelting process was invented in the . After converting and rcfining in . grade cathodes are produccd and impurities in the anodes.

Approx. 200000 tons per year Approx. 600000 tons per year

it to a purity of 99.99% in flash smelting furnace, converter, anode furnace, ... improving recycling technologies for separating impurities and for analysis.

Primary Copper Smelter and Refinery as a Recycling Plant . - MDPI

Oct 24, 2017 . some of the impurity metals in copper are valuable in other applications. .. smelting, converting, fire-refining, anode casting, and electrorefining, also . Flash smelting methods include Outotec and INCO flash smelters. Flash.

Kumera Peirce-Smith Converter | Kumera Corporation

In converting, the impurities are removed from copper matte. . The increase in copper content achieved during the converting phase after flash smelting is from.

Copper Isasmelt – Dealing with Impurities (Invited)

Distribution impurities of As, Sb, Pb, Zn and Co observed in the ISASMELT ... ISASMELT, Flash Furnace, Mitsubishi Process, and Teniente Converter technologies. . the impurity removal duty for the converting and anode refining processes.

(PDF) KENNECOTT-OUTOTEC 'DOUBLE FLASH' TECHNOLOGY .

Jul 13, 2016 . of copper scrap in the anode furnaces using the Praxair Co-Jet . Smelting and Flash Converting in Asia, Kennecott and Outotec look forward to an active technical . processes the impurities and recovers the copper from the.

09_chapter 3.pdf - Shodhganga

During the dissolution of the anodes the impurities contained in them, depending on their ... The oxidizing roast of anode slimes converts copper, nickel and tellurium into .. For selenium recovery the slime from the flash tank is put into the.

Choosing and Troubleshooting Copper Electroplating Processes .

Hexavalent chromium also can be converted to the inactive trivalent state by means of .. Antimony is usually introduced as an impurity in the copper anodes.

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