copper flash smelting

Mass Balance Calculations in Copper Flash Smelting by

The Outokumpu flash furnace is widely used for smelting copper sul de concentrates12 By taking advantage of the exothermic reactions involved a nearly complete autogenous smelting system is established Industrial results 12 indicate that an autogenous operation can be obtained under conditions that lead to a matte grade of 6065 using an

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Method for operating waste heat boiler in flashsmelting

May 08 2001 A method for operating a waste heat boiler in a flashsmelting furnace of copper flashsmelting works wherein nitrogen gas and air are blown into the waste heat boiler in the flashsmelting furnace the temperature at the outlet of a waste heat boiler radiation section of the flashsmelting furnace is controlled to be not more than 600 C

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Emphasis TypeItalicJOMEmphasis world

Flash Smelting Canada Copper Cliff 133400 Brazil Fortaleza 7000 Finland Harjavalta 38000 Russia Norilsk Nadezda 140000 China Jinchuan 65000 Australia Kalgoorlie 100000 Bostwana BCL 27400 Subtotal 510800 Electric Furnace Smelting Canada Falconbridge 63000 Thompson 50000 USA Stillwater 112 Russia Norilsk Ni Plant 40000 Pechenganickel

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DEVELOPMENTS IN COPPER SMELTING AND REFINING

Some Observations 2014 Source ICSG Copper Bulletin 2015 8 South America is the most important copper mining region More than 35 of world copper concentrate originated in South America But only 13 of world copper concentrate was smelted in South America Chile is the worlds largest copper mine producer China is the worlds largest smelting country

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Flash smelting

The Flash Smelting process is based on utilization of the feed materials internal energy for smelting Finely ground sulfidic copper concentrate is mixed with oxygenenriched air to form a rapidly reacting suspension in the reaction shaft of the OutotecFlash Smelting Furnace

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Oxygen Pyrometallurgy at Copper Cliff Welcome to TMS

The Development of Oxygen Flash Smelting The first autogenous oxygen flashsmelting laboratory experiments were conducted in a small horizontal sheet metalenclosed refractorylined furnace Dry sulfide concentrates and flux were injected into the preheated unit using 995 O 2 cylinder oxygen

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Flash smelting and converting furnaces A 50 year

1999 marked the 50th anniversary of the Outokumpu flashsmelting process Originating during the postWorld War II energy crisis flash smelting is a highintensity process developed to attain everincreasing throughputs and intensities Many innovations and continuous development ensued during the next 50 years before todays stateoftheart coppermaking process chain and environmental

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Energy optimization in flash smelting ThesisDissertation

The copper smelting industry has been replacing old reverberatory furnaces with energyefficient flash furnaces While this in itself has been a significant move towards reduced energy costs there is yet no industry consensus as to which mode of flash smelting is optimum

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An effective separation process of arsenic lead and zinc

Separation of arsenic and valuable metals Pb Zn Cu Bi Sn In Ag Sb etc is a core problem for effective utilization of high arseniccontaining copper smelting ashes HACSA This study dev

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copper smelting process diagram NAMARI Heavy Machinery

copper smelting process diagram This is the sameprocessfor bothcopperandmolybdenum porphyries Thesmelteris basically a large furnace which melts the concentrate and drives off the sulfide to leave moltencopper metalthis is still contains impurities and it needs to be refined further to

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Copper Blast Furnace SmeltingCopper Metalcess

1 Wide adaptability to raw material from iron copper coppernickel zinc lead and zinclead complex concentrate 2 Application of richoxygen air blast offers high smelting temperature enhances hearth capacity and generates high concentration SO 2 gas suitable for sulfuric acidmaking 3

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A new mathematical model for copper concentrate

A new mathematical model for copper concentrate combustion in flash smelting furnaces Ehsan Hassan Zaim and Seyed Hossein Mansouri Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering 2015 231 2 119130

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What is copper smelting Answers

Copper Smelting Process First the ore is enriched by a process called flotation Powdered ore is mixed water as a slurry and then further mixed with oil and a chemical called amyl xanthate

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Improved Copper Flash Smelting at Olympic Dam AusIMM

In March 2012 a combined BHP Billiton and Hatch team embarked on a program to improve the concentrate burner efficiency of BHP Billitons Olympic Dam copper flash smelting furnace A multifaceted approach including an analysis of the furnace using operational knowledge and first principles engineering led to the design and supply of a new centrallance

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COPPER CONCENTRATES SMELTING TECHNOLOGIES

Sulphide copper accounts for almost 80 percent of world mine production and more than 23 of Chilean production and its expected to grow its share over the time Smelting arise as a strategic process for copper producer countries Chile maintains around 9 percent of global smelting production

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copper flash definition English

The copper sulphide fraction is processed by flash converting and finishing converting to produce blister copper which is refined at Incos Copper Refinery WikiMatrix Nowadays more than half of the worlds copper is manufactured using flash smelting technology

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WikiZero Flash smelting

Flash smelting Finnish Liekkisulatus literally flamesmelting is a smelting process for sulfurcontaining ores including chalcopyrite The process was developed by Outokumpu in Finland and first applied at the Harjavalta plant in 1949 for smelting copper ore

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Leaching of Lead and Copper by Citric Acid from Directto

Directtoblister copper flash smelting slag contains up to 14 of copper and 24 of lead Considering this fact this material is subjected to the hightemperature reduction process After this converting process is performed on the CuPbFe alloy being the product of decopperization process in electric furnace An alternative to the presently used processing of flash smelting slag would be

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OUTOTEC SMELTING SOLUTIONS FOR THE PGM

feeding to the flash smelting furnace This energy is saved in the furnace operations and also results in smaller offgas streams The concentrate is then fed into a flash smelting furnace FSF where it is smelted and oxidized to produce highgrade matte slag and sulphur dioxide SO2containing offgas

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Directtoblister smelting of copper concentrates the

Since the first industrial application in 1940s flash smelting has been developed for other applications than copper matte smelting including the oxygen enriched smelting continuous converting to blister copper with low sulphur concentration and directtoblister smelting

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Controlling temperature in the Flash Smelting furnace

This webinar introduces Outotec technologies of processing copper anode slime to recover and refine PMs as well as other valuable metals Save your seat Controlling temperature in the Flash Smelting furnace Sep 9 2020 900 am UTC 60 mins Elli Miettinen

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Flash smelting copper flash smelting finnish

Copper flash smelting is a relatively new process which has been in operation since the 70s and is a pyrometallurgical process used in conjunction with copper sulphide concentrates Oxygen pressure in the Outokumpu flash smelting furnace Part 1 copper flash smelting settler P Taskinen K Seppl J Laulumaa and J Poijrvi

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Chemistry of Coal Utilisation in Flash Smelting AusIMM

Coal utilization for copper flash smelting in Japan was initiated due to the sudden upheaval in the price of oil in the last ten years A major portion of the heavy fuel oil has already been replaced by coal resulting in a corresponding decrease in energy costs In addition to energy cost savings an interesting

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Copper Smelting and Refining Process Pan Pacific Copper

The copper concentrates are fed through the flash smelting furnace with oxygenenriched air In the furnace the concentrates are instantly oxidized after which they melt and separate by their own reaction heat into copper matte with a grade of 65 and slag consisting of

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Thermal conductivity and characteristics of copper flash

In Copper Flash Smelting flue dust can cause severe problems in the gas handling system which typically consists of a heat recovery boiler and electrostatic precipitator If the process is not operated properly the flue dust may form accretions on the boiler wall reducing boiler heat transfer and subjecting the surfaces to corrosion

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Redesign and rebuild of the Pan Pacific Copper flash

After 40 years of operation with the original design Pan Pacific Copper determined it was necessary to rebuild the Saganoseki Flash Smelting Furnace to continue safe operation The original design employed a rigid steel frame which through hearth growth led to severe distortion of the frame

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Figure 10 from Sulphation of cuprous and cupric oxide

Copper smelting with the Outokumpu flash smelting process generates significant amounts of SO2rich offgas and flue dust From the smelting unit gases with a dust load are directed into a heat recovery boiler also known as a waste heat boiler In the radiation section temperature decreases sulphates become thermodynamically stable and the

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KUC to employ Outotec flash smelting and converting

Flash Smelting combined with Flash Converting is the worlds cleanest technology for primary copper smelting Outotec states Since it makes use of the reaction heat of the feed copper sulphide concentrate minimum amount of external fuel is needed in the process

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Extractive Metallurgy of Copper

13 Hydrometallurgical Extraction of Copper 14 I 5 16 Summary Extracting Copper from CopperIronSulfide Ores Melting and Casting Cathode Copper Recycle of Copper and CopperAlloy Scrap Suggested Reading References 2 Production and Use 21 Locations of Copper Deposits 22 Location of Extraction Plants 23 24 Price of Copper 25 Summary

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Smelting furnaces LinkedIn SlideShare

Aug 29 2011 Smelting Furnaces By Dr Bharati Rehani Metallurgical and Materials Engg Dept sity of Baroda Slideshare uses cookies to improve functionality and performance and to provide you with relevant advertising

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