double flash smelting

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DPM CONTRACTS FOR SALE OF CHELOPECH PYRITE ,

XGC is one of the largest modern copper smelting companies in China and in the world Its smelter plant, located in Yanggu, County of Shandong Province, China, employs the advanced double flash smelting technology and is operated with high cost efficiency ,...

Environmental Guidelines for Nickel Smelting and Refining

flash smelting Flash smelting is the most common process but electric smelting is used for more complex raw materials when increased flexibility is needed Both processes use dried concentrat Electric smelting requires a roasting step ahead of the smelter to reduce sulfur content and volatil Older nickel smelting ,...

Copper-bottomed innovation? – Deutsche Bank

When Cui Zhixiang founded Dongying Fangyuan, China did not have its own smelting technology and it had to purchase it from overseas Most Chinese smelters bought the technology from Finland’s Outotec, progenitors of the “double flash” technology comprising flash smelting and flash converting...

The technological developments of scrap copper smelters in ,

The cost of smelting high-grade copper by mixed into the copper concentrate processing system is about half of separate treatment Scrap Copper Smelting in China P13 , Double Flash 400kt/a cathode Cu 2013 Scrap Copper Ausmelt+Tilting Furnace Metal Scrap Copper Smelting in China ...

Electric Smelting Furnace of Ore

Table of ContentsZinc Ore SmeltingSmelting Zinc OresCopper Ore SmeltingExperience in Norway Electric Furnace Smelting PracticeSmelting Lead OresPyritic Gold & Silver Ores Containing Minor ElementsSmelting ConcentratesElectric Furnace AccessoriesElectric Furnace MetallurgyIron Ore ,...

INTERNATIONAL MINING TECHNOLOGY HALL OF FAME The ,

Double-flash copper smelting technology “This technology has revolutionised copper smelting; setting the standard for sulphur dioxide capture, improving safety by eliminating molten matte transfer, and reducing the labour required to produce copper This technology is recognised by the US Environmental Protection Agency as...

Furnace structure analysis for copper flash continuous ,

Furnace structure analysis for copper flash continuous smelting based on numerical simulation Jin-liang WANG 1,2, Ya-zhou CHEN 1, Wen-hai ZHANG 3, Chuan-fu ZHANG2 1 School of Metallurgy and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China; 2...

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 ,...

Two-Step Copper Smelting Process at Dongying Fangyuan ,

Two-step copper smelting process (hereinafter Fangyuan Process) has been recently developed and patented by Dongying Fangyuan Company This is the first and only process of this kind to produce....

flash dryer for copper concentrate - biosantebe

KENNECOTT-OUTOTEC DOUBLE FLASH , The copper concentrate , and any other material with copper value The Flash , two such major changes have been the dampened furnace fuel bias in the dryer , 1949 Flash smelting of copper concentrate started 1959 , Dust and gases from dryer 14 and bin 15 are flash ,...

Copper Smelting - IFC

So-called flash smelting techniques have therefore been developed that utilize the energy released during oxidation of the sulfur in , A double-contact, double-absorption plant should emit no more than 02 kg of sulfur dioxide per ton of sulfuric acid produced (based on a conversion efficiency of 997%) Emissions Guidelin...

Dundee Precious Metals - DPM Contracts For Sale Of ,

Dec 05, 2012· XGC is one of the largest modern copper smelting companies in China and in the world Its smelter plant, located in Yanggu, County of Shandong Province, China, employs the advanced double flash smelting technology and is operated with high cost ,...

Chemistry 1010 chapter 13 Flashcards | Quizlet

The polyethylene chain is grown or PROPAGATED as the unpaired electron on the end of the chain breaks additional carbon/carbon double bonds in other ethene molecul Propagation continues thousands of times which produces a very long chain of carbon atoms which is the POLYMER molecule...

OUTOTEC FLASH SMELTING TECHNOLOGY

Outotec Flash Smelting and Kennecott-Outotec Flash Converting for copper Outotec Flash Smelting combined with Kennecott-Outotec Flash Converting is an integrated solution for high-capacity smelters Matte from the flash smelting furnace is gran-ulated and fed to a flash converting furnace in the same fashion as concentrate...

Formation mechanism of zinc-doped fayalite (Fe2-xZnxSiO4 ,

Double-flash smelting has been used in copper industry for a number of years as a more advanced technology for refining metallic copper from copper ore and is divided into two major steps, namely, building of the slag by flash smelting and copper smelting by flash converting ...

Dynamic Simulation of Processing High-Arsenic Copper ,

smelting under oxidized condition The process includes a in wet electrostatic precipitators The gasthen passes to a fluidized bed roaster where most of the sulfide is oxidized double absorption contact acid plant where it is dried The to SO2, and the arsenic, along with the other impurities, is SO 2 is ,...

US8889059B2 - Slit lance burner for flash smelter - Google ,

A burner for a flash smelting furnace The burner includes an injector having a sleeve for delivering pulverous feed material to the furnace and having a central lance within the sleeve to supply compressed air for dispersing the pulverous feed material in the reaction shaft of the furnace The central lance has an annular slot at its tip for creating a substantially continuous air curtain...

Review Of New Source Performance Standards For Primary ,

For these reasons, most of the world's new smelting furnaces installed since 1965 have been of the flash type30 Currently, one of the domestic smelters employs a flash furnace, and two others intend to convert to flash smelting technology In flash smelting, dried ore concentrates and finely ground ,...

Rio Tinto recognises its people with nominations to the ,

David George is nominated for his contribution to the Double-flash copper smelting technology “This technology has revolutionised copper smelting; setting the standard for sulphur dioxide capture, improving safety by eliminating molten matte transfer, and ,...

Flash smelting | Article about flash smelting by The Free ,

Looking for flash smelting? Find out information about flash smelting Production of molten metal or matte in a vertical furnace in which concentrates are reacted with hot gases; the molten product is collected in a horizontal, Explanation of flash smelting...

SIPS2017 - Two-step Copper Smelting Process at Dongying ,

Two-step copper smelting process (hereinafter Fangyuan process) has been recently developed and patented by Dongying Fangyuan Nonferrous Metals Co, Ltd and Shandong Fangyuan Nonferrous Metals S&T Co, Ltd ((hereinafter Fangyuan Company) This is the first and only process of this kind to directly produce anode copper by two steps in the world...

Metallurgy - Extractive metallurgy | Britannica

Metallurgy - Extractive metallurgy: Following separation and concentration by mineral processing, metallic minerals are subjected to extractive metallurgy, in which their metallic elements are extracted from chemical compound form and refined of impuriti Metallic compounds are frequently rather complex mixtures (those treated commercially are for the most part sulfides, oxides, carbonates ....

The technological developments of scrap copper smelters in ,

The cost of smelting high-grade copper by mixed into the copper concentrate processing system is about half of separate treatment Scrap Copper Smelting in China P13 , Double Flash 400kt/a cathode Cu 2013 Scrap Copper Ausmelt+Tilting Furnace Metal Scrap Copper Smelting in China ...

Innovations: Trapping Sulphur - Copper

It is estimated that without flash smelting, the annual world sulphur dioxide emissions would be 5 to 10 million tonnes higher A Big Step for Copper Smelting: Flash Converting Converting, an integral part of the copper smelting process, is the removal of impurities by ,...

OUTSTANDING INNOVATOR David George

The inductee for our prestigious Outstanding Innovator category in 2013 is David George, who is General Manager – Processing, Technology & Innovation (T&I) at Rio Tinto While he has been involved in many mining technology projects, he is cited here for his contribution to the double-flash copper smelting ,...

"(Facility) Pasar Copper Smelter" in Leyte, Philippines ,

for sale-privatization current technology at the pasar smelter include outokumpu flash smelting, pierce-smith converters, anode furnace, periodic current reversal electrolytic refining facilities, and an anode slimes traeatment plant current capacity is 165,000 mtpa anode copper a double contact acid plant is used to control so2 emmisions...

Lu Jia Hao - senior engineer - PEC-tech | LinkedIn

Company: Yanggu Xiangguang Copper Co, Ltd is the the largest copper smelting company , the company is following the US Kennikete after the world's second use of flash smelting and flash ....

MODERN COPPER SMELTING AND CONVERTING ,

smelting and converting technologies employed in China copper industry, such as OT flash technology, TSL (ISA/Ausmelt), SKS Bottom Blowing, Jinfeng, etc,This paper also compared these different technology’s advantages and disadvantages and highlight NERIN contribution with the development and improvement through these large projects...

Chemistry 1010 chapter 13 Flashcards | Quizlet

Notice that the double bond in the polymer unit is in a different location than in the starting monomer The shift in the double bond was caused by the free radical formation Thus, polymers made from butadiene are unsaturated Do polybutadiene elastomers have double bonds in their carbon chains (yes, no)...

Recent operation and environmental control in the ,

Flash Smelting Furnace Feed to the flash smelting furnace is metered using a loss-in-weight system and fed to the concentrate burner via two drag conveyors Oxygen-enriched air (80-85% oxygen) is also fed to the burner located in the top of the furnace reaction shaft Slag is tapped at a target temperature of 1,315o C (2,400o F) Target matte grade...