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Copper Slag General Information, Process, Products, Patent ... Recycling copper slag to recover metals has been focused on copper recovery. ... Copper slag is widely used in the sand blasting industry and it has been ... as elution from copper slag; Process for recovery of iron from copper slag ...
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Improving Copper Recovery from Production Slags by Advances Stirring Methods Proceedings of EMC 2011 3 treated in the existing copper extraction route or separately in a subsequent reactor the slag phase can be used as construction material for example. Conventional pyrometallurgical copper slag .
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 copperfree was from – % ...
White Pine reverberatory furnace slags contained economically recoverable amounts of copper for a variety of reasons. Among them: White Pine concentrates yield extremely high matte grades (65+% Cu) and viscous slags. The viscous slags hinder matte settling causing matte "prill" entrapment in the slag. White Pine''s total refined copper output is accomplished through fire refining ...
Effect of CaO Addition on Iron Recovery from Copper Smelting Slags by Solid Carbon JUNG HO HEO, BYUNGSU KIM, and JOO HYUN PARK We investigated the effect of flux (lime) addition on the ...
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.
Breakthrough has been made to combine the process of brass scrap and low grade copper scrap. By metal distillation technology, our clients can extract not only copper but also high purity zinc and high purity lead. Customertailored Top Blown Rotary Converter (TBRC) makes the process more flexible to copper scrap recycling of different capacity.
Slag fuming is a wellestablished process that has been in industrial operation for more than 80 years. Slag fuming is traditionally used to vaporize zinc from zinccontaining slags, mainly lead blast furnace slag, but also is applied in a few plants for coppersmelting slag. Reduction is achieved by using pulverized coal, lump coal or natural gas.
COPPER SLAG . Copper slag is the most economical expendable abrasive for blasting purpose in areas where recovery and recycling is impractical. It is a byproduct formed during the manufacture of copper while smelting and quenching process in copper smelter. The raw slag is processed and screed in various grades for blasting purpose.
Copper smelting slag is the solid waste generated in the process of smelting copper. Due to the limitations of the smelting technology, most of the copper smelting slag contains a certain amount of copper. Disposing and recycling copper can effectively reduce the waste of useful resources, while generating considerable economic effectiveness.
copper slag recovery through a flotation route. Almost in all of the flotation methods used to recover copper from slags, the Cu recovery was associated with many problems such as high grade of copper in tailing. In the present study, the use of grinding time increased the copper slag recovery a lot.
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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 and Cobalt from Copper Slags as Selective 389 intervals. By treatment with hot water, recovery of copper and cobalt from the ore mixture was aimed selectively. 2. Experiment Sample Preparation The slag sample used in this investigation is a composite from different levels of the copper slag
Nov 14, 2013· Recovery of value metals from copper smelter slag by ammonium chloride treatment. ... Fig. 7 shows a proposed process flowsheet for the copper, zinc, and iron recovery from copper smelter slag of Balkhash copper plant. In this process, crushed slag, with ammonium chloride in a weight ratio 1:2 is subjected to heat treatment for 120 min at 320 ...
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Copper slag is a byproduct obtained during smelting and refining of copper ore rich in sulphides and oxides of iron and copper, in the course of removing iron as iron silicate. During the smelting process at 1250°C, copper liquid settles down due to higher density while copper slag remain on the surface in the segregated state.
Generally speaking, the copper dross is treated by rotatory reverberatory furnace. In case of copper dross with high arsenic, tin and antimony, caustic soda plus iron filings are used. In reaction with caustic soda, the arsenic, tin and antimony report to sodium salt as slag .
Copper smelting slag is produced from copper pyrometallurgy (both smelting and converting stages), usually grading at %. The slag may also contains lead zinc minerals like galena, sphalerite. Copper mainly dwells in the slag in the form of bornite, chalcocite, chalcopyrite, and metallic copper.
materials from copper slag. Recovery of copper, molybdenum, precious metals, silica and iron, that is the most abundant component of the slag, are the goals for this research. Metals, commercial compounds, alloys and different forms of iron oxides for steel industry are proposed products.
Aug 26, 2016· Shanghai ZME Stone Crusher Appliion, Stone Crusher plant copper slag recovery equipment protective equipment, material should be swept or vacuumed or otherwise collected We believe that Minerals ...
Secondary copper smelters are also a source of copper slag. These smelters recover copper from scrap copper alloy products such as telephone switching gear, electronic hardware, wrought products, and wire. Such slag may contain alloying elements (, beryllium or iron). Beryllium is toxic,
contain copper with the content ranging between 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. This work focuses on optimizing
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