flash smelting process

Flash smelting

Jul 25 2019 0183 32 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 has also been adapted for nickel...

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Metamodelling and optimization of copper flash smelting

Flash smelting process is an important step in the metallurgical process of production of copper blister pure copper Three different modelling techniques Artificial Neural Networks ANN Support Vector Machines SVM and Random Forest RF were used in construction of metamodels and the obtained results were compared...

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File Copper Flash Smelting Process EN svg

This file was derived from Copper Flash Smelting Process DE svg SVG development The source code of this SVG is This diagram was created with Inkscape or with something else This SVG diagram uses embedded text that can be easily translated using a text editor...

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123 Primary Copper Smelting

illustrates the Noranda process reactor Flash furnace smelting combines the operations of roasting and smelting to produce a high-grade copper matte from concentrates and flux In flash smelting dried ore concentrates and finely ground fluxes are injected together with oxygen and preheated air or a...

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Flash smelting furnace

The smelting furnaces used in the process are comprised of single burners or burner field systems for auxiliary firing operated with air oxygen-enriched air or oxygen as an oxidising agent In the oxyfuel process the combustion processes are carried out by means of an oxygen burner oxyfuel burner which is operated with pure oxygen or oxygen...

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Flash Smelting ScienceDirect

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...

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US4615729A

A copper flash smelting process in which part of a sulfidic copper feed is roasted in the presence of a calcareous SO 2 scavenger to produce a calcine containing calcium sulfate and an oxidic copper product the calcine is mixed with additional feed and the mixture is flash smelted to provide a metallic product and a calcareous slag...

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Flash Smelting vs Aqueous Oxidation

improving flotation process to reject as much as possible pyrite or pyrrhotite shifting from rever- beratory to flash smelting etc These measures are however futile The solution is treating sulfide concentrates to get elemental sulfur - a product that can be stockpiled safely used as...

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Smelting furnaces

Aug 29 2011 0183 32 Smelting Furnaces By Dr Bharati Rehani Metallurgical and Materials Engg Dept MSUniversity of Baroda...

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What is FLASH SMELTING What does FLASH SMELTING mean

May 15 2017 0183 32 theaudiopedia What is FLASH SMELTING What does FLASH SMELTING mean FLASH SMELTING meaning - FLASH SMELTING definition - FLASH SME...

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Flash smelting furnace

Flash smelting is currently the most commonly used method for the processing of primary copper Gas Application Oxyfuel Process The smelting furnaces used in the process are comprised of single burners or burner field systems for auxiliary firing operated with air...

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Overcoming inefficiencies in flash smelting

Contact the Minerals Process Optimisation team on 61 3 9545 8912 or email me KathieMcgregor csiroau to talk about how you can optimise your flash smelting process improve understanding of its operation and reach increased levels of throughput Subscribe and receive more updates on our mineral processing research...

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Flash smelting definition and meaning Collins English

Dec 24 2020 0183 32 Flash smelting definition a smelting process for sulphur-containing ores in which the dried and powdered ore mixed Meaning pronunciation translations and examples...

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The Copper Flash CC Smelting Process Total Materia Article

Flash smelting is a pyrometallurgical process for smelting metal sulphide concentrat It is used primarily for copper sulphide concentrates but it is also used to a significant extent for nickel sulphide concentrat The flash smelting process for sulphide concentrates was developed by the Finnish mining company Outokumpu Oy from 1948...

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Outotec® Flash Smelting

Dec 12 2012 0183 32 Outotec® Flash Smelting Process invented over 60 years ago is Best Available Technique BAT according to European Union s classification It has been nomi...

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Flash smelting metallurgy Britannica

Flash smelting is a relatively recent development that has found worldwide acceptance It is an autogenous process using the oxidation of sulfides in an unroasted charge to supply the heat required to reach reaction temperatures and melt the feed material The most widely used furnace...

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Flash smelting furnace

The use of an existing flash smelting process cannot be recommended to thermally decontaminate carbon-bearing dispersible materials containing a hazardous component The main reason for the non-suitability of an existing flash smelting apparatus for thermal decontamination purposes is the possibility of incomplete decontamination and...

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Flash Smelting Process Archives

Outotec is a leading supplier of smelting technology with about 40 operational smelting lines around the world The company claims its Flash Smelting Process is the cleanest smelting method available giving high recovery of metals with low investment and operating costs...

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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...

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Copper Smelting Process

Sulphuric dioxide gas is created in smelting copper process and is converted sulphuric acid which is used in some of the smelting processes or sold as a by-product Modern copper smelters use processed copper ore fed into a flash furnace typically fired by oxygen which produces blister copper being further processed in a converter furnace...

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Flash Smelting Furnace ScientificNet

Abstract According to the reaction shaft operation characteristics during the flash smelting process 15 groups of slag samples containing high Fe 3 O 4 were prepared by some chemical reagents and then the slag surface tensions were measured using a RTW-10 type synthetic test instrument for melt physical property by means of suspension link...

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Outotec® Flash Smelting

Outotec® Flash Smelting Process invented over 60 years ago is Best Available Technique BAT according to European Union s classification It has been nomi...

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Flash smelting

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...

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Oxygen Flash Smelting in a Converter

The slags produced during the flash smelting process would be slowly cooled crushed ground to essentially - 200 mesh and floated for recovery of the contained copper Slags from a number of heats covering a range of matte grades were slowly cooled by casting into 5-ton ladl All the slags were in the 22-29 Si02 range...

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Nickel Flash Smelting Total Materia Article

A typical flash smelting furnace is shown schematically in Figure 1 The refractory-lined furnace vessel is composed of three sections reaction shaft settler and uptake shaft In the flash smelting process a sulfidic feed mixture is distributed through the top of the reaction shaft by a concentrate burner where the correct design is vital...

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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 14 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 production efficiency...

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Flash Smelting

Feb 03 2011 0183 32 Ni flash smelting is a high-productivity smelting process which efficiently uses the heat from sulfide mineral oxidation to heat and melt the furnace products and efficiently captures its by-product SO 2 However it is an oxidizing process and therefore loses significant amounts of...

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DEVELOPMENT OF A MATHEMATICAL MODEL OF FLASH

The Outokumpu flash smelting process was developed at Harjavalta in 1949 Today it is has become the most widely used copper making process worldwide about 50 of global primary copper production and 30 of nickel in more than 40 smelters and is the state-of-the-art process as well as being the BAT in copper and nickel...

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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 flux are blended in controlled amounts and fed into...

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File Flash smelting Outokumpu furnace svg

Jul 29 2015 0183 32 To embed this file in your language if available use the lang parameter with the appropriate language code eg File Flash smelting Outokumpu furnace svg lang=en for the English version To translate this file into your language you can use the SVG Translate tool...

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