Flash smelting 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.
Copper Smelting Using Oxygen Flash Technique. The oxygen flash technique is a relatively new and efficient method of smelting copper. The operation takes place in a furnace which has been preheated preferably by natural gas burners.
Comparison of roastingreverb process to Outotec flash smelting process is given in table 1. Table 1. Comparision of roastingreverb process to Outotec flash smelting process ROASTINGREVERB PROCESS FLASH SMELTING PROCESS Matte grade to PC converting is 40 % Cu. Matte grade to PC converting is 60 % Cu.
ASM Historical Landmark award in 2001; The cleanest copper smelting technology in the world Ferrochrome process Winner of the 2007 Cleantech Finland® competition Qualified for the European Business Awards for the Environment 2008 competition; Because of its cleanness and energyefficiency.
Outotec will amend the licence agreements for its Flash copper smelting technology deployed in China after an antitrust investigation by the country's National Development and Reform Commission (NDRC), the company said.
Flash furnace smelting consists of blowing fine, dried copper sulfide concentrates and silica flux with air, oxygenenriched air, or oxygen blast into a hearthtype .
The Oxygen Flash Furnace At the Asarco copper smelter in Hayden, Arizona, the oxygen flash furnace is initially heated up with natural gas. It becomes so hot that the copper concentrate immediately ignites when it is blown into the furnace along with oxygen and a silicabearing flux.
Vessel Integrity Historical Insight 1999 marked the 50th anniversary of the Outokumpu flashsmelting process. Origi ... the electric energy shortage in Finland, is considered by some to be one of the ... genenriched air in both copper and nickel flash smelting was adopted due to a shortage in smelting capacity, mak ...
Outokumpu 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.
Copper Smelting Industry Description and Practices Copper can be produced either pyrometallurgically or hydrometallurgically. The hydromet ... Socalled flash smelting techniques have therefore been developed that utilize the energy released during oxidation of the sulfur in
In addition to the RD experience I have obtained working in my current post, I have also gained handson experience of copper and nickel production while working as a temporary shift foreman in the summer of 2017 and as a copper smelter commissioning consultant in Iran during the same year.
Copper The 15th International Flash Smelting Congress 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 .
copper losses during the smelting of sulphide concentrate, Journal of Mining and Metallurgy, 45 (1) B, 23 – 34. Yamaguchi. K, Ueda. S, Takeda. Y, 2005. Phase equilibrium and thermodynamic properties of SiO 2 –CaO –FeO x slags for copper smelting, Scandinavian Journal of Metallurgy, 34 (2), 164 – 174. Deng Tong, Ling Yunhan, 2001.
10 天前· The engineering will be based on Outotec Flash Smelting and Flash Converting technology, and include an electrolytic refinery, slag concentrator, precious metals refinery, wet gas cleaning and Lurec sulfuric acid plant as well as effluent treatment plant and its associated infrastructure.
During flash smelting the copper containing raw material, together with aggregates, is added to the furnace chamber; in addition, an oxygenrich gas is also fed into the chamber. A strongly exothermic reaction leads to melting of the feed material in the lower half of the furnace.
Metallurgy, too, has long traditions in Finland. Now an international stainless steel company, the once stateowned Outokumpu is known the world over for developing the flash smelting process for copper production. Many of Finland's large mines have closed down, so .
Acid dew point measurement in a copper smelter C opper is a ubiquitous metal used ... Outokumpu in Finland and first applied at the Harjavalta plant in 1949 for smelting copper ore1. In this process, the sulphurous ore is injected along with air into the furnace and the smelting reactions take ... flash smelting furnace waste heat boiler hot ...
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