RECOVERY OF COPPER FROM COPPER SLAG AND
Recovery of copper from copper slag and copper slag flotation tailings 75by oxidative leaching Table 1 Chemical compositions of the copper smelter slag and the slag flotation tailings Constituent Content (wt%) Copper Slag Slag Flotation Tailings Cu – total 097 059 Cu – oxides 015 006 Cu – sulphides 082 053 SiO 2 3375 3462 Al 2 OThe recovery of copper from copper smelter slag utilizing flotation has been studied A copper smelter slag from the Wang Jiaqiao smelter in Yunnan Province of china, containing 276% Cu, 4441% Fe, 234% Zn and 184g/t Ag and so on, has been used The effective factors such as grinding fineness, pH, and the dosage and type of collector were examinedRecovery of Copper from Copper Smelter Slag by A new process is proposed for recovering copper from smelting slag using waste cooking oil as a green reductant More than 70% of waste cooking oil pyrolysis products is hydrogen In this study, aRecovery of Copper from Copper Smelting Slag Using
[PDF] Recovery of copper from the copper slag and
Copper smelter slag and copper smelter slag flotation tailings were leached using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide Copper extraction from the slag was typically found to be twice as high as that from the slag flotation tailings Hydrogen peroxide was determined to be the best lixiviant Smelter slag and sulfur dioxide are the waste products of nonferrous pyrometallurgical processes Dissolution behavior of Co, Cu, Fe, Ni, and Zn from smelter slag in aqueous sulfur dioxide has also been studied (Ahmed et al, 2000) Dissolution behavior of Cu is found to be fast, but subsequent precipitation lowers its dissolutionRecovery of copper, cobalt, and zinc from copper The reverberatory furnace slag that has been discarded in the vicinity of the Bor Copper Smelter, Serbia, is currently processed by flotation at the nearby Bor Copper Concentrator The copper recovery was rather low (about 40%) mainly due to the presence of oxide copper and insufficient mineral liberation In our previous work, weRECOVERY OF COPPER FROM SMELTING SLAG BY
Recovery of value metals from copper smelter slag by
Recovery of Zn, Cu, and Fe from the copper smelter slag was studied • Slag was treated with NH 4 Cl at 320 °C and product was subjected to water leaching Metal recoveries to the solution were 915% Zn, 897% Cu, and 883% Fe Recently smelter copper slags stockpiled in dumps are being reprocessed by crushing, milling and 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 additionRecovery of Copper from Reverberatory Copper Slag and In the present paper, recovery of valuable metals from copper smelter slag of Balkhash copper plant (Kazakhstan) was investigated To recover Fe, Zn and Cu to watersoluble form, the mixture of 150 g of copper slag and 60 g of 85% sulfuric acid was granulated and then roasted in the temperature range of 473–643 K (200–370 °C) followed by sulfuric acid leachingRecovery of Valuable Metals from Copper Smelter
RECOVERY OF IRON FROM COPPER FLASH SMELTING
Copper slag is produced in large amounts in seven copper smelter plants in Chile, and it is estimated that and around 4 million tons of slag are disposed every year and another 40 to 45 million tons are historically cumulated Copper slag contains iron in the range of 42 to 45%, Smelter copper slag contains significant concentrations of several potentially toxic elements, including arsenic, lead, cadmium, barium, zinc and copper The recovery of copper from the copper slag increased with an increase in the quantity of acid The reaction was carried out Recovery of Copper from Reverberatory Copper Slag and Copper smelter slag and copper smelter slag flotation tailings were leached using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide Copper extraction from the slag was typically found to be twice as high as that from the slag flotation tailingsRecovery of copper from copper slag and copper slag
EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN THE
Copper is present in a smelting slag from Teniente Converter (TC) in the form of mechanically entrained matte inclusions and dissolved copper Copper recovery from the slag requires magnetite reduction to liberate matte inclusions and create conditions for coreduction of dissolved cuprous oxide Efficiency of copper recovery from the slag in anThe recovery of copper from smeltery furnace slag by flotation has been studied By analysis the slag containing 161% copper and 2780g/t silver is available to recovery The effective factors such as particle size, the amount and type of collector were examined The combination of the collectors was also examined With the process utilized in this work, a copper concentrate of 2647% Cu with Recovery of Copper and Silver by Flotation from Recovery of Copper and Cobalt from Copper Slags as Selective 390 Table 2 Operating conditions for ICPOES Parameter Power (W) 1,450 Plasma gas flow rate (Lmin1) 15 Auxiliary gas flow rate (Lmin1) 02 Nebulizer gas flow rate (Lmin1) 08 Sample flow rate (Lmin1) 2Recovery of Copper and Cobalt from Copper Slags as
Recovery of metal values from copper smelter slags by
RECOVERY OF METAL VALUES FROM COPPER SMELTER SLAGS 319 TABLE 1 Chemical analyses of slags and pyrite Constituent Amount Slag 1 Slag 2 Slag 3 Slag 4 Pyrite Cu (%) 410 1010 170 340 2570 Co (mg/kg) 3950 3390 1830 2430 Ni (mg/kg) 660 405 435 4780 240 Zn (mg/kg) 980 1150 1370 970 97 Copper slag is produced in large amounts in seven copper smelter plants in Chile, and it is estimated that and around 4 million tons of slag are disposed every year and another 40 to 45 million tons are historically cumulated Copper slag contains iron in the range of 42 to 45%,RECOVERY OF IRON FROM COPPER FLASH SMELTING COPPER FLOTATION FROM SMELTER SLAG AND GRANULATED SMELTER SLAG**** Abstract Smelter slag is obtained in the process of metallurgical converting of copper concentrate in the Smelter Plant in Bor, Serbia Today, the reserves of this material are evaluated at about more of a year, with the average copper content of 0609%COMPARATIVE RESULTS OF COPPER FLOTATION FROM
Optimization of the flotation of copper smelter slags from
plant (Slag Mill Plant) for liberation and recovery of copper This work focuses on optimizing the recovery of copper minerals in copper smelter slags by means of froth flotation Most of the copper minerals present in the Namibia Custom Smelters’ slags are free sulphide minerals,Abstract Copper slag is produced in large amounts in seven copper smelter plants in Chile, and it is estimated that around four million tons of slag are disposed every year, and another 40–45 million tons are historically cumulated Copper slag contains iron in the range of 42–45%, which can be recovered and recycled along with the contained copper to obtain an iron–copper alloy and a [PDF] Recovery of iron from copper flash smelting Smelter copper slag contains significant concentrations of several potentially toxic elements, including arsenic, lead, cadmium, barium, zinc and copper The recovery of copper from the copper slag increased with an increase in the quantity of acid The reaction was carried out Recovery of Copper from Reverberatory Copper Slag and
Recovery of copper from copper slag and copper slag
Copper smelter slag and copper smelter slag flotation tailings were leached using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide Copper extraction from the slag was typically found to be twice as high as that from the slag flotation tailings RECOVERY OF METAL VALUES FROM COPPER SMELTER SLAGS 319 TABLE 1 Chemical analyses of slags and pyrite Constituent Amount Slag 1 Slag 2 Slag 3 Slag 4 Pyrite Cu (%) 410 1010 170 340 2570 Co (mg/kg) 3950 3390 1830 2430 Ni (mg/kg) 660 405 435 4780 240 Zn (mg/kg) 980 1150 1370 970 250Recovery of metal values from copper smelter slags by Recovery of Copper and Cobalt from Copper Slags as Selective 390 Table 2 Operating conditions for ICPOES Parameter Power (W) 1,450 Plasma gas flow rate (Lmin1) 15 Auxiliary gas flow rate (Lmin1) 02 Nebulizer gas flow rate (Lmin1) 08 Sample flow rate (Lmin1) 2Recovery of Copper and Cobalt from Copper Slags as
Recovery of copper from granulated blast furnace slag
Chemical compositions of the copper smelter slag and the slag flotation tailings Constituent Content (wt%) Copper Slag Slag Flotation Tailings Cu – total Cu – oxides Cu – sulphides SiO 2 Al 2 OThe furnace can be designed with effective working volume minimal m3, suitable for the recovery of anode slime, PMcontaining smelting slag, lead Key words: Converter slag, flotation, copper, cobalt, sulphurization 1 Introduction Copper slag is produced in large amounts in seven copper smelter plants in Chile, and it is estimated that around 4 million tons of slag are disposed every year and another 40 to 2Recovery of Copper and Cobalt from Converter Slag Characterization of copper smelter slag and recovery of residual metals from these residues II ExpErImEntal procEdurE The experimental procedure followed is summarized in the flow sheet shown in Figure 1 FIg 1 Flow sheet of the working procedure The studied material is a calcine produced by oxidized roasting of white copper metalCharacterization of copper smelter slag and recovery of
Recovery of cobalt from converter slag of Chambishi
smelting process for cobalt recovery from converter slag is studied in laboratory scale The converter slag is obtained from the Chambishi Copper Smelter in Zambia, in which copper concentrate with about 35% (mass fraction) Cu and 014% Co is smelted using Isasmelt’s topsubmerged lancing process followed by converting in PeirceSmith converterAbstract Copper slag is produced in large amounts in seven copper smelter plants in Chile, and it is estimated that around four million tons of slag are disposed every year, and another 40–45 million tons are historically cumulated Copper slag contains iron in the range of 42–45%, which can be recovered and recycled along with the contained copper to obtain an iron–copper alloy and a [PDF] Recovery of iron from copper flash smelting plant (Slag Mill Plant) for liberation and recovery of copper This work focuses on optimizing the recovery of copper minerals in copper smelter slags by means of froth flotation Most of the copper minerals present in the Namibia Custom Smelters’ slags are free sulphide minerals,Optimization of the flotation of copper smelter slags from