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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
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
For copper metallurgy,Metalcess supplies low investment copper blast furnace for Copper ore/copper sulfide ore/copper-nickel sulfide ore smelting to produce copper anode , 5 High metal recovery rate, normally less than 03% metal in slag; 6 Simple equipment and light investment, particularly advantageous for production capacity below 50kt .
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Efficiency of copper recovery from a slag in an electric furnace depends on number of factors The furnace dimensions play significant role, determining slag circulation pattern and velocity, mass transfer onto slag/coke and slag/electrodes reaction surface, inclusions coalescence and settling, and heat loss
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
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 023 – 054% .
Slags are waste minerals produced during furnace smelting of minerals The contained , Figure 4 shows that the copper recovery from the copper slag increases with an increase in acid concentration An optimum recovery of copper is achieved at 70% H 2 ,
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
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 12 Conventional pyrometallurgical copper slag ,
123 Primary Copper Smelting 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 .
Recovery of cobalt from slag in a DC arc furnace at Chambishi, Zambia More recently, attention has been focused on the Nkana slag dump on the Zambian Copperbelt More than six decades of copper mining and smelting at the site near Kitwe, 250 km north of Lusaka, have left behind about 20 million tons of slag grading between 03 and 26% cobalt .
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Steel Slag Recovery Plant grinding mill equipmentiron recovery plant from slagmetalbeach iron recovery plant from slag 22/Jan/2018 Slag WikipediaWeb Slag is the glass-like by-product left over after a desired -steel slag recovery for iron-,Recovery Of Iron From Steel Furnace SlagSteel manufacture ,
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
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 .
The recovery of copper and cobalt from ancient copper slags from the Küre region of Turkey was investigated A fayalitic-type of ancient copper slag ,
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 04% copper and 02% 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
Copper Smelter Projects and Services Turnkey Furnace Rebuild Project Service - Project and construction management Salamander tapping and controlled furnace decommissioning and cool down Mechanical, structural, steel and piping dismantling, fabrication and erection
Figure 22-1 Low-grade copper recovery electrolyte in the refinery cells or sold as a product Smelting of low-grade copper scrap begins with melting in either a blast or a rotary furnace, resulting in slag and impure copper If a blast furnace is used, this copper is charged to a
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Under this program a technique was developed to recover iron from molten copper smelting furnace slags by carbon injection Slags from gas-fired reverberatory and electric copper smelting furnaces were treated in an 800-kva electric-arc furnace by injecting coke breeze into the bottom of the molten bath
Slags are waste minerals produced during furnace smelting of minerals The contained , Figure 4 shows that the copper recovery from the copper slag increases with an increase in acid concentration An optimum recovery of copper is achieved at 70% H 2 SO 4 The reaction was carried out with no water addition
Recovery of Iron and Copper from Copper Smelting Furnace Slags by Carbon Injection Authors Paige-JI; Paulson-DL; Hunter-WL Source , Results of the tests show that 76 to 89 pct of the copper and up to 48 pct of the iron contained in the smelting furnace slag were recovered in a metallic phase, while 56 to 82 pct of the carbon injected into .
Factors influencing base metal recovery from waste reverberatory furnace slags in a 50 kVA laboratory DC plasma arc furnace by W Banda*, NT Beukes*, and JJ Eksteen Paper written on project work carried out in partial fulfilment of Phd (Process Engineering) degree* Synopsis The recovery of cobalt and copper from waste slag was studied in a
Steel Slag Recovery Plant grinding mill equipmentiron recovery plant from slagmetalbeach iron recovery plant from slag 22/Jan/2018 Slag WikipediaWeb Slag is the glass-like by-product left over after a desired -steel slag recovery for iron-,Recovery Of Iron From Steel Furnace ,
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 .
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 ,