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Slag cleaning | Outotec. Roasting · Solutions purification and metals recovery · Sulfuric acid processing ... The electric furnace technology for the cleaning of copper and nickel slags is a ... and equipment improvement make electric slag cleaning an attractive choice for ...
Electric Slag Cleaning Furnace Outotec. With the Outotec Electric Slag Cleaning Furnace, the cleaning of smelting furnace slag is carried out using surface coke reduction in an electric furnace. The circular or rectangular electric furnace is operated in batches and equipped with three or more Söderberg electrodes. Chrome Ore Furnace ...
Crusher Machine For Sale. ... To recover the zinc, . The Slag Furnace is instrumental in the recovery of zinc and co-products from the slag. Click Here to go back to the Lead Flow-Sheet page: ... is then treated by any of the usual procedures to recover the copper and zinc. . slag and 60 to 85 percent recovery for zinc based on zinc content ...
Request PDF on ResearchGate | Recovery of Copper from Copper Blast Furnace Slag | Secondary copper blast furnace slag was treated with carbon to derive the conditions for maximum recovery of ...
copper recovery magnetic slag. copper recovery magnetic slag XSM excellent mining crushing machinery products or production line design, the company is committed to building the Chinese brand mine crushing and processing machinery, mainly crusher, mill, sand making our products (copper recovery magnetic slag) in more than one hundred of the worldsales of countries and regions.
Aug 25, 2016· Copper From Converter Slags by Flotation RECOVERY OF COPPER FROM THE COPPER SLAG AND COPPER SLAG Recovery of copper from the copper slag and copper slag flotation tailings 75by oxidative leaching ...
We suggest blast furnace for fire-refining due to its . a) High heat efficiency: furnace burden heated by the waste heat of the off-gas. b) High recovery rate: The molten lead and slag will be separated completely in blast furnace hearth, because the blast furnace hearth has higher temperature an d more obvious slag line than rotary furnace to sedimentate the lead metal from slag.
Slag produced by flash furnace operations contains significantly higher amounts of copper than reverberatory or electric furnaces. Flash furnace slag is treated in a slag cleaning furnace with coke or iron sulfide. Because copper has a higher affinity for sulfur than oxygen, the copper in the slag (as copper oxide) is converted to copper sulfide.
Additional silica is normally added to help form the slag. The furnace is fired with burners using pulverized coal, fuel oil or natural gas and the solid charge is melted. Reverberatory furnaces can additionally be fed with molten slag from the later converting stage to recover the contained copper and other materials with a high copper content.
Copper recovery magnetic slag Feldspar Crusher . 20171212copper recovery magnetic slag copper recovery magnetic slag XSM excellent mining crushing machinery products or production line design, the pany is mitted to building the Chinese brand mine crushing and processing machinery, mainly crusher, mill, sand making our products copper recovery magnetic slag in more than one hundred of .
Recovery of copper from copper slag and copper slag flotation tailings 77by oxidative leaching Leaching with ferric sulphate The slag and the slag flotation tailings were leached with ferric sulphate in 1 M sulphuric acid. The ferric iron concentration was varied in the range from 5 g/dm3 to
Recovery Of Copper From Reverberatory Furnace Slag By Flotation Prompt : Caesar is a famous mining equipment manufacturer well-known both at home and abroad, major in producing stone crushing equipment, mineral separation equipment, limestone grinding equipment, etc.
All these three furnaces produce fayalite slag as a byproduct. The slags contain copper with the content ranging between 0.8 to 5% copper. The slags cannot be discarded due to the high content of copper and hence they are sent to a milling and flotation plant (Slag Mill Plant) for liberation and recovery of copper.
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processed for copper-cobalt recovery to produce a copper-cobalt-iron alloy in the cobalt recovery furnace (CRF). The CRF process aims to obtain a final slag of approximately 0.4% copper and 0.2% cobalt which is normally discarded. The reductant used in these two processes is coke. The CRF process is intended to maximize the recovery of copper and
The recovery of copper from reverberatory furnace slag utilizing flotation has been studied. The effective factors such as particle size, pH, the amount and type of collector and additives, and flotation time were examined. The effect of cooling rate on flotation behavior of the slag was also studied.
Metal Recovery from Slag During smelting of ferroalloy by submerged arc furnace, a slag is generated containing between 5% and 12% recoverable metal depends on the type of alloy being manufactured. Forui Machinery Factory has 20 years experience in slag recycling.
Laboratory and pilot plant investigations have indicated that copper recoveries of 50% can be achieved with fine grinding and flotation of a copper reverberatory furnace slag. Microscopic and microprobe studies indicate that the recoverable copper is in the form of matte, chalcocite, and metallic copper; the percentage of copper in particles appearing to be copper-free was from 0.23 – 0.54% ...
ISASMELT technology has been applied to lead, copper, and nickel smelting, and by 2013 fifteen plants were in operation in ten countries, with another five in various stages of development. The installed capacity of the operating plants in 2013 was over 8 million tonnes per year (t/y) of feed materials, with additional capacity to come on line in 2013 and 2014.
While it has long been known that substantial quantities of iron have been lost through the discarding of slags (e.g., copper smelter slags), the lack of an economical recovery process, as compared to other sources of iron, has prevented the commercial acceptance of iron recovery from such slags.
copper slag furnace slag copper. copper slag furnace slag copper XSM excellent mining crushing machinery products or production line design, the company is committed to building the Chinese brand mine crushing and processing machinery, mainly crusher, mill, sand making our products (copper slag furnace slag copper) in more than one hundred of the worldsales of countries and regions.
Outotec Slag Cleaning Slag cleaning at copper and nickel smelters is typically done using an electric furnace process. The design of Outotec slag cleaning furnaces is based on our extensive experience with different slag compositions and under-standing of how to optimize the process for maximum recovery.
Copper scrap is treated using reverberatory furnace for melting anode-grade copper (i.e., . in the slag. Recovery of these metals from slags enables conversion. ... metal recovery furnace slag ? Double Equipment Mining. ... Recovery of metals from melting furnace slag has become an important branch of the recycling. The separation of metal ...
Slag fuming is a well-established process that has been in industrial operation for more than 80 years. Slag fuming is traditionally used to vaporize zinc from zinc-containing slags, mainly lead blast furnace slag, but also is applied in a few plants for copper-smelting slag. Reduction is achieved by using pulverized coal, lump coal or natural gas.
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