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Smelting and Refining Operations

Primary smelting and refining produces metals directly from ore concentrates while secondary smelting and refining produces metals from scrap and process waste Scrap includes bits and pieces of metal parts bars turnings sheets and wire that are off-specification or worn-out but are capable of being recycled (see the article "Metal reclamation" in this chapter) Get price

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copper smelting process and methods

Reverberatory smelting and oxygen flash smelting are methods that require the resultant molten copper to be further processed to attain 999% pure copper The gas emitted during the process is converted into sulphuric acid which can be used within the plant or sold as a byproduct A reverberatory furnace is fabricated from steel beams into a Get price

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Flash Smelting Furnace

Flash smelting furnace (Outokumpu) is roughly composed of feeding system reaction shaft settler (bath) and uptake Concentrate injector in feeding system is where the burden and air are mixed The inner side could be without refractory material or be coated with high alumina refractory castable (UR8257C) depending on actual temperature Get price

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The Copper Flash CC Smelting Process

The Copper Flash CC Smelting Process Posted on November 23 2016 by Total Materia Copper flash smelting is a relatively new process which has been in operation since the 70's and is a pyrometallurgical process used in conjunction with copper sulphide concentrates Get price

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(DOC) Leaching of lead and copper from flash smelting

After optimizing the parameters of the flash smelting slag leaching process with citric acid the lead transition to the solution is high and amounts to almost 85% At the same time only slightly more than 25% of the copper contained in the slag goes into solution Get price

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Furnace structure analysis for copper flash continuous

Furnace structure analysis for copper flash continuous smelting based on numerical simulation Jin-liang WANG 1 2 Ya-zhou CHEN 1 Wen-hai ZHANG 3 Chuan-fu ZHANG2 1 School of Metallurgy and Chemical Engineering Jiangxi University of Science and Technology Ganzhou 341000 China 2 Get price

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Nickel Flash Smelting KEY to METALS Article

After clicking a material from the resulting list a list of subgroups derived from standard specifications appears From here it is possible to view specific property data for the selected material and also to view similar and equivalent materials in our powerful cross reference tables Get price

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flash smelting process

Flash Smelting Analysis Control and Optimization deals with the analysis control and optimization of flash smelting This book explores flash smelting in general and Outokumpu and Inco flash smelting in particular and also presents a mathematical description for the flash smelting process Get price

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Flash smelting

Flash smelting (Finnish Liekkisulatus) is a smelting process for sulfur-containing ores including chalcopyrite The process was developed by Outokumpu in Finland and first applied at the Harjavalta plant in 1949 for smelting copper ore It has also been adapted for nickel and lead production Get price

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flash smelting

In the RWO flash smelting furnace important developments were achieved in innovative process control and regulation and partly integrated in the production plant aurubis Im Bereich des Schwebeschmelzofens der RWO wurden wichtige Entwicklungen zur innovativen Prozesskontrolle und Steuerung forciert und teilweise in den Betrieb integriert Get price

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Nickel Flash Smelting Total Materia Article

Using nickel flash smelting technology it is possible to process sulfide nickel concentrate and produce nickel matte and slag in a relatively efficient process Any materials resulting as smelting and converting slags are recirculated in the electric furnace and recovered where possible as nickel matte Get price

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Flash smelting

Flash smelting (Q5410738) From Wikidata Jump to navigation Jump to search smelting process for sulfur-containing ores edit Language Label Description Also known as English Flash smelting smelting process for sulfur-containing ores Statements instance of engineering process 0 references time of discovery or invention 1947 0 Get price

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CFD Simulation and Performance Analysis of CJD Burner for

The flash smelting process has been widely acknowledged as a successful modern pyro-metallurgical technology because of its good production flexibility In past decades great efforts have been put on the equipment improvement in order to achieve a highly intensive and efficient flash smelting process Get price

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Flash Smelting vs Traditional Smelting by Megan Clark

Advantages of Flash Smelting Two advantages of Flash Smelting are Reduced fuel costs Less pollution What is Traditional Smelting? Heats an ore with chemicals to high temperatures However other than using air flash smelting is done in almost pure oxygen As a result theGet price

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QSL process

7-10-2019In lead processing Direct smelting The QSL or Queneau-Schuhmann-Lurgi process treats all grades of lead concentrates including chemically complex secondary minerals in a refractory-lined reactor into which oxygen and natural gas are blown through tuyeres at the bottom Get price

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METAL MINING TECHNOLOGY IN JAPAN 8

the flash furnace process and as a consequence of which the flash furnaces were further introduced into such smelters as Kosaka Saganoseki Toyo and Tamano Today the flash furnace produces about seventy percent of copper in Japan Worldwide twenty three copper smelting flash furnaces are in operation at twenty two smelters 3 Get price

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Metallurgical Processes

Introduction There are a variety of metallurgical process generating off-gases containing a variety of SO 2 concentrations and impurities Each process is unique which dictates that the gas be treated in different ways in order to remove impurities and treat the SO 2 in the gas Get price

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What does FLASH SMELTING stand for?

Flash smelting Flash smelting is a smelting process for sulfur-containing ores including chalcopyrite The process was developed by Outokumpu in Finland and first applied at the Harjavalta plant in 1949 for smelting copper ore It has also been adapted for nickel and lead production Get price

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OUTOTEC FLASH SMELTING TECHNOLOGY

Outotec Flash Smelting technology is suitable for both new installations and modernization and expansion of existing copper and nickel plants Retrofitting Outotec's technology at existing smelting sites can result in a three-fold increase in capacity and internal efficiencies We continuously develop our Flash Smelting process inGet price

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Flash Smelting Congress

12-11-2008Flash Smelting Process Originally Outotec's former parent company Outokumpu developed the Flash Smelting technology for its own use In 1949 Outokumpu introduced autogenous Flash Smelting of copper concentrates at their facility in Harjavalta Finland The technology has been continuously developed to meet the industry needs Get price

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How aluminum is made

Process Aluminum manufacture is accomplished in two phases the Bayer process of refining the bauxite ore to obtain aluminum oxide and the Hall-Heroult process of smelting the aluminum oxide to release pure aluminum The Bayer process 1 First the bauxite ore is mechanically crushed Get price

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Research on Data

Research on Data-driven Energy Efficiency Optimization for Copper Flash Smelting Process YUNCHENG DONG JUNFENG YAO * FEI LONG KUNHONG LIU CHENHAN LIN Center for Digital Media Computing Software School Xiamen University Xiamen 361005 CHINA yao0010xmu edu cn *Get price

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The Smelting Industry Global Importance And Risks

25-4-2017Smelting is a process of extracting metals from their ores at high temperatures Ores are mostly chemical compounds of metal with other elements like oxygen sulfur Smelting utilizes heat and a reduction agent like coal to extract the other elements from the metal according to Get price

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The Outokumpu Lead Flash Smelting Process

In the mid 1960's Outokumpu considered building a lead Flash Smelter on the basis of Flash Smelting technology developed first in the late 1940s for smelting copper concentrates Pilot scale tests were carried out and the process was found technically sound The project was however not economically viable under Finnish conditions and it was Get price

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Flash Smelting of Lead Concentrates

Flash smelters are commercially operated in two different process ways The matte process which comprises drying two-step oxidation in the flash smelting furnace and the converter followed by slag cleaning The direct metal process which includes drying one-step oxidation-smelting in the flash furnace followed by slag cleaning The matte Get price

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Smelting and Refining Operations

Primary smelting and refining produces metals directly from ore concentrates while secondary smelting and refining produces metals from scrap and process waste Scrap includes bits and pieces of metal parts bars turnings sheets and wire that are off-specification or worn-out but are capable of being recycled (see the article "Metal reclamation" in this chapter) Get price

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Flash Smelting Process

The Outotec Flash Smelting Process is one of the world's most commonly used processes for the production of primary copper and nickel The process is based on our flash smelting principle which utilizes the internal energy of the feed material for smelting minimizing the need for external fuel and making the process very energy efficient Get price

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flash smelting

In the RWO flash smelting furnace important developments were achieved in innovative process control and regulation and partly integrated in the production plant aurubis Im Bereich des Schwebeschmelzofens der RWO wurden wichtige Entwicklungen zur innovativen Prozesskontrolle und Steuerung forciert und teilweise in den Betrieb integriert Get price

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SIPS2016

KIVCET was the only commercial process for lead flash smelting until 2010 In 2011 Chinese process LOFS (Lead Oxygen Flash Smelting) joined KIVCET The layer of carbon material formed in the smelting shaft at the surface of the melt bath under the flares of charge-oxygen burners is used as the reduction reactor in both processes Get price

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Flash smelting explained

Flash smelting (Finnish Liekkisulatus literally flame-smelting) is a smelting process for sulfur-containing ores including chalcopyrite The process was developed by Outokumpu in Finland and first applied at the Harjavalta plant in 1949 for smelting copper ore It Get price

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flash smelting

Many translated example sentences containing flash smelting – French-English dictionary and search engine for French translations Look up in Linguee the new oxygen bottom-blowing process and other technologies of direct-oxygen lead smelting should be adopted in lead smelting and a new wet process should be developed for zinc Get price

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Flash Smelting with 95% Oxygen Process Air in Ashio

The amount of copper production by flash smelting process occupies about 17% (equivalent to 1 4 million t/year) of total free world production In Japan 650 000 tons of copper is produced annually by flash smelting This is 65% of the gross copper production of Japan To reinforce pollution control promote energy saving and enhance Get price

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Proc IMechE Part E A new mathematical model for copper

A new mathematical model for copper concentrate combustion in flash smelting furnaces Ehsan Hassan Zaim and Seyed Hossein Mansouri Abstract A novel mathematical model for combustion of a single copper concentrate particle is presented The model includes particle volatilization fragmentation smelting and combustion phenomena Get price

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Flash Smelting Process

Process Flow Description Concentrates and other copper bearing material are blended and conveyed from two separate areas of the plant to three 464 ton capacity wet charge bins located above the rotary dryer Flash furnace silica flux is conveyed to a 250 ton capacity fine flux bin located adjacent to the wet charge bins The concentrate and Get price

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Flash Smelting Analysis Control And Optimization by

1-1-2001This title chronicles developments made in flash furnaces and the process of flash smelting It is divided into a descriptive section and a mathematical section and this second updated edition includes the contributions of two authors and an updated mathematical approachGet price

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