copper flash smelting finland

Flash smelting | Article about flash smelting by The Free ...

* flash smelting of bulk copper-nickel concentrate in two new Inco flash furnaces; Sampling and assaying at Inco's Copper Cliff smelter Codelco, the world's largest copper producer, and Finnish metals and technology group, Outokumpu, have agreed to jointly develop and implement a new copper flash smelting application at Codelco's Chuquicamata ...

Leaching of lead and copper from flash smelting slag by ...

May 01, 2019· 3. Hydrometallurgical processing of direct-to-blister copper flash smelting slag 3.1. Experimental procedure of hydrometallurgical processing. The conditions of the leaching process was examined by changing the temperature, time, concentration of the citric acid solution and the mass ratio of the liquid phase to the solid phase (l/s).

Flash smelting - Wikipedia

The experiments were executed simulating high alumina-bearing copper scrap smelting in typical black copper smelting conditions of pO2 = 10⁻¹⁰–10⁻⁵ atm (1 atm = 1.01325 × 10⁵ Pa) and ...

A Look at the Largest Copper Smelters - ThoughtCo

Nov 20, 2019· Established in 1958, Yunnan Copper is China's third largest producer of copper-based on total capacity. It's smelter in Qingyuan, Guangdong province, is a joint venture between Yunnan Copper and China Nonferrous Metals Group, which mainly processes blister from the …

Flash smelting - WikiMili, The Free Encyclopedia

Jul 25, 2019· Flash smelting (Finnish: Liekkisulatus, literally "flame-smelting") is a smelting process for sulfur-containing ores [1] including chalcopyrite. The process was developed by Outokumpu in Finland and first applied at the Harjavalta plant in 1949 for smelting copper ore. [2] [3] It has also been adapted for nickel and lead production. [2]

Effect of Cooling Rate and Slag Modification on the Copper ...

distributions of copper particles in the Noranda process as a function of cooling rate. Jalkanen et al. [2] discussed the phe-nomena in copper slag solidification and plotted the particle sizedistribution of copper as well as copper matte particles in slowly cooled FSF (flash smelting furnace) and PS converter (Peirce-Smith) slags.

Global meeting of Outotec's copper and nickel 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.

The Copper Flash CC Smelting Process :: Total Materia Article

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

Outotec to deliver copper Flash Smelting and Flash ...

Nov 21, 2011· Outotec® Flash Smelting combined with Kennecott-Outotec® Flash Converting is the cleanest copper smelting method available. Outotec® Flash Smelting Process makes use of the reaction heat of ...

Outotec to deliver copper flash smelting technology to ...

May 10, 2011· Outotec to deliver copper flash smelting technology to Iran By Gerald Ondrey | May 10, 2011 Outotec Oyj (Espoo, Finland; ) has agreed with Tech Talk company of Dubai on the delivery of flash smelting technology for the expansion of National Iranian Copper Industries Co.'s copper smelter located in Sarcheshmeh, Iran.

Copper Production with Outokumpu Flash Smelting: An …

COPPER PRODUCTION WITH OUTOKUMPU FLASH SMELTING: AN UPDATE Ilkka V. Kojo1, Hannes Storch2 1Outokumpu Technology Oy, P.O. Box 86, FI 02201 Espoo, Finland 2Outokumpu Technology , Ludwig-Erhardt ...

Flash smelting - Wikipedia

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 and lead production.. A second flash smelting system was developed by the International Nickel ...

Thermal conductivity and characteristics of copper flash ...

THERMAL CONDUCTIVITY AND CHARACTERISTICS OF COPPER FLASH SMELTING FLUE DUST ACCRETIONS Doctoral Thesis Dissertation for the degree of Doctor of Science in Technology to be presented with due permission of Faculty of Chemistry and Materials Sciences, Helsinki University of Technology for public examination and debate in Auditorium V1 at Helsinki University of Technology (Espoo, Finland…

Extractive Metallurgy of Copper - 6th Edition

4. Concentrating Copper Ores 5. Matte Smelting Fundamentals 6. Flash Smelting 7. Tuyere–Based Smelting: Noranda, Teniente, and SKS/BBS 8. Batch Converting of Copper Matte 9. Bath Smelting and Converting 10. Direct–to–Copper Flash Smelting 11. Copper Loss and Recovery from Slag 12. Capture and Fixation of Sulfur 13. Fire Refining and Anode ...

Flash smelting - definition of flash smelting by The Free ...

Under the contract, it will design and supply a new copper flash smelting furnace and related services to Serbian copper miner RTB Bor. -Finnish Outotec gets EUR60m order in Serbia It utilises innovative and environmentally friendly Flash Smelting Direct to Blister technology from Outokumpu of Finland.

Outotec Flash Smelting Archives - International Mining

One of several cutting-edge technologies developed at the ORC is Outotec Flash Smelting, which is still one of the world's most commonly used processes to produce primary copper and nickel. This innovation was developed at the ORC at the end of 1940s.

THERMAL CONDUCTIVITY AND CHARACTERISTICS OF …

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.

Recycling | Free Full-Text | Primary Copper Smelter and ...

The smelting of copper concentrates to an iron and copper sulphide matte is done by flash smelting or bath smelting. Flash smelting methods include Outotec and INCO flash smelters. Flash smelting relies on the oxidation and smelting of airborne particles in dry feed.

Copper Smelting Technology Trends - LinkedIn

Aug 23, 2017· Flash Smelting: Flash smelting was developed by Outokumpu in Finland and it is one of the most significant technical developments in the 20th century. Flash smelting accounts for …

OUTOTEC FLASH SMELTING TECHNOLOGY - Outotec - PDF …

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 world's leading method for copper and nickel smelting. More than half of the world's primary copper and nickel is produced using Outotec's proprietary process.

Boliden Harjavalta - Boliden

An entirely new, revolutionary energy-efficient flash smelting method for copper concentrates was developed in Harjavalta and introduced in 1949. The flash smelting method has been un-der continuous development over the years, and is today the most widely used smelting method for copper concentrates in the world.

OUTOTEC FLASH SMELTING TECHNOLOGY

Flash Smelting is a natural choice for higher-grade copper concentrates due to its lower capital investment costs. Outotec Direct Nickel Flash Smelting (DON) This process enables high-grade nickel matte to be produced using a single flash smelting furnace. It allows higher recovery of nickel, cobalt, and precious metals than

What is FLASH SMELTING? What does FLASH SMELTING mean ...

May 15, 2017· 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 ...

Corrosion mechanisms of the heat recovery boiler of copper ...

The flash smelting process is used widely around the world to extract primary copper. Smelting of sulphidic copper ores produces flue dust containing SO2-rich exhaust gas, causing corrosion problems in the gas cleaning equipment of the process, especially in the heat recovery boiler.

Modelling copper smelting – the flash smelting plant ...

Modelling copper smelting – the flash smelting plant, process and equipment Pekka Taskinen School of Chemical Engineering, Department of Chemical and Metallurgical Engineering, Aalto University, Aalto, Finland Correspondence [email protected]

History of Outokumpu | Outokumpu

Outokumpu built an integrated copper chain in the 1930s by opening six new plants, including a new electric smelting plant in Imatra – the largest of its kind in the world at that time – and a copper refinery in Pori on the western coast. Our melt shop in the 1940s. In the 1940s, Outokumpu, like Finland, was facing World War II.

Flash Smelting Process - Outotec

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.

Finland's Outotec awarded copper projects in Iran

Jul 11, 2012· Finland-based Outotec has been awarded multiple orders, worth a total of US$326 million, for technology deliveries to National Iranian Copper Industries Company's (NICICO) copper and molybdenum projects in Iran . Outotec's Flash Smelting technology will be used in projects in Iran. (Image source: Outotec)

Effect of Cooling Rate and Slag Modification on the Copper ...

The amount of copper flash smelting slag has increased during the recent years along with an increasing slag-to-metal ratio. During slag tapping, some copper sulfide is mechanically entrained. As a result, it is necessary to recover copper matte from the slag by suitable methods. At present, the most common way is slow, controlled cooling in a transfer ladle.