copper flash smelting finland

This article studies a case where energy constraints were supposedly the source of a radical innovation in copper smelting in postsecond world war finland it finds that the constraints were significantly more ambiguous and socially constructed than the technologists themselves acknowledged and highlights the context dependence of constraints

Outotec to deliver copper flash smelting and flash 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 its facility in harjavalta finland the technology has been continuously developed to meet industry needs

202057ensp ensp2020 modelling copper smelting the flash smelting plant process and equipment mineral processing and extractive metallurgy vol 129 themed issue on modelling of mineral and metallurgical processes pp 207220

The tradition of the international flash smelting congresses began almost 45 years ago on october 23rd 1972 when the smelter engineers from 14 flash smelters around the world convened in pori finland to share their operating practices and experience

The total electricity consumption of the flash smelter line was about 1000 kwh per ton of anode copper while the electrical smelter line was consuming approximately 3000 kwh to produce the same amount of anode copper the energy consumption of flash smelting has further decreased by approximately 20 since then due to the extensive development

20081216ensp enspoutokumpu flash smelting after a preliminary test in 1946 the first fullscale flash smelting furnace started operation in 1949 at outokumpu oy harjavalta finland flash smelting has been the most widely adopted copper matte smelting process since 1970 more than 40 furnaces have been installed to replace

200441ensp enspcopper smelting with the outokumpu flash smelting process generates significant amounts of so 2rich 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

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

2015728ensp enspoutokumpu flash smelting process and inco oxygen flash smelting process nowadays the outokumpu flash smelting process stays in the mainstream of flash smelting process that has a dominace among copper smelting processes worldwide the first flash furnace was built at harjavalta smelter of outokumpu oy finland in 1949 in japan the fi rst

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An introduction to outotec flash smelting with flexibility low energy consumption high sulfur capture and excellent economy of scale outotec flash smelting technology is the worlds leading method for copper and nickel smelting more than half of the worlds primary copper and nickel is produced using outotecs proprietary process

2020107ensp ensporiginally outotecs former parent company outokumpu developed the flash smelting technology for its own use in 1949 outokumpu introduced autogenous flash smelting of copper concentrates at its facility in harjavalta finland the technology has been continuously developed to meet industry needs

Main mineral processing and extractive metallurgy oxygen pressure in the outokumpu flash smelting furnacepart 1 copper flash smelting settler mineral processing and extractive metallurgy 2001

20031126ensp enspsmelting performance a series of simulation study of the copper flash smelting process has been undertaken table 5 shows the partial operation parameter of the flash smelting furnace and simulation resultsin table 4 the operation parameter 1 is the real condition used in the jinlong flash smelting furnace before production enhance

201296ensp enspoutotec flash smelting process the outotec direct nickel flash smelting process was first implemented at harjavalta smelter in finland simultaneously with the adoption of the new process the nickel production was doubled the entire target of the project was to improve the profitability cut sulphur dioxide emissions improve the

20201026ensp enspflash 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 it has also been adapted for nickel and lead production

Finnish engineering companies have developed major innovations such as flash smelting of copper advanced automatic pressure filters process integration and optimization services etc

2019729ensp enspflash smelting finnish liekkisulatus 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 it has also been adapted for nickel and lead production

Originally outotecs 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

The amount of copper production by flash smelting process occupies about 17 equivalent to 14 million tyear of total free world production in japan 650000 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

201443ensp enspfree online library finland outotec started legal action against yanggu xiangguang copper co ltd over contractual obligations in the outotec flash smelting and flash converting license by mena report business international

Define flash smelting flash smelting synonyms flash smelting pronunciation flash smelting translation english dictionary definition of flash smelting n a smelting process for sulphurcontaining ores in which the dried and powdered ore mixed with oxygen is ignited on discharge from a nozzle melts and

198711ensp enspthe role of oxygen in the outokumpu flash smelting process y anjala j asteljoki and p hanniala outokumpu oy engineering division po box 86 02210 espoo finland outokumpu oy metallurgical research center po box 60 28101 pori finland abstract the use of oxygen in the outokumpu flash smelting furnace since 1971 has been one of the most significant

20141027ensp enspfrom copper flash smelting slags the flash smelting and slag cleaning processes are described in the introductory part the studies are focused on the slag cleaning process in the three electrode electric furnace ef where components of the slag reduce to

20031126ensp enspwidely used copper making process worldwide about 50 of global primary copper production and 30 of nickel in more than 40 smelters and is the stateoftheart process as well as being the bat in copper and nickel smelting kyt et al 1997 a typical flash smelting furnace is shown schematically in figure 1

2019725ensp enspflash 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 it has also been adapted for nickel

Modelling copper smelting the flash smelting plant process and equipment pekka taskinen1 ari jokilaakso1 daniel lindberg1 and jiliang xia2 1aalto university school of chemical engineering department of chemical and metallurgical engineering po box 16100 fi00076 aalto finland

2020519ensp enspthe copper flash smelting process is an effective and high potential technology for treating weee due to the advantages of high feeding rate increased production output low energy consumption and the highconcentration so 2 byproduct for making sulfuric acid

The flash smelting process is used widely around the world to extract primary copper smelting of sulphidic copper ores produces flue dust containing so2rich exhaust gas causing corrosion problems in the gas cleaning equipment of the process especially in the heat recovery boiler

Flash smelting was developed by outokumpu in finland and first applied at harjavalta in 1949 the energyefficient process accounts for 50 of the world s primary copper production the filtered concentrate slurry is piped to the smelter where it is dried and then injected along with oxygen into a flash smelting furnace to oxidize the iron