secondary copper ore recovery

secondary copper ore recovery

  • Secondary copper recovery ScienceDirect

    Secondary copper recovery D Davies Following a brief review of the economics of copper recycling, the technical details of secondary copper recovery are given, from classification and sampling of scrap through to the production of blister copper ready for electrolytic refining Mr Davies the former Director and Technical Manager of British Copper

  • Cited by: 2
  • Secondary recovery of a copper heap leach

    pilotscale subsurface irrigation test to enhance the recovery of copper was demonstrated on a copper oxide heap The test was designed with four rinse wells, which received solution directly from an irrigation line without the use of onsite booster pumps that have been described in other works (eg, Seal et al, 2012) Flows to the well ranged from about 130 to 330 m3/hr

  • Precious metal recoveries in secondary copper

    The recovery of precious metals from the WEEE is currently performed in coppermaking circuits including copper smelters, converters and secondary (black) copper smelters Black copper smelting is typically implemented for lowgrade copper

  • Cited by: 7
  • Biologically Assisted Copper Secondary Sulfide Ore

    Copper recovery in solution, along with a high redox potential, was established faster in the mesophilic column but leveled off quickly over time Copper extraction showed that the 6 g/l chloride column has the highest metallurgical performance (83% CuT) with 4 extra points of copper recovery over the 15 g/L and 3 g/l Cl columns

  • Cited by: 3
  • Study on Recovery of Associated Copper Oxide Ore by

    and application of wet copper smelting technology This method has a good effect on secondary copper oxide ore and some copper oxide ore For the original copper ore with the largest content in copper ore, the leaching time is long and the effect is poor [4] Trace impurities have a decisive influence on the conductivity of copper

  • AN INVESTIGATION OF COPPER RECOVERY FROM A

    Copper oxide reserves contain economic quantities of copper in the form of secondary copper minerals such as malachite (Cu2(OH)2CO3), azurite (Cu3(CO3)2(OH)2), cuprite (Cu2O) and tenorite(CuO) Large amounts of copper oxides go unrecovered due to a focus on sulphide recovery and problematic oxide processing (Zhou and Chander, 1993)

  • Recovery of Precious and Secondary Metals from

    Recovery of Precious and Secondary Metals from Electrolytic Copper Refining (New York Meeting, February 1934) MOST modern electrolytic copper refineries have found it expedient to build and operate a complete secondaries plant for the treatment of the electrolytic slime accumulated in the cells during the corrosion of the copper anodes

  • Impact from high copper prices and secondary copper

    Weak copper demand resulted in slow deliverytaking, accumulating inventory of raw material or finished products at producers That increased cash pressure at copper rod plants using secondary copper as feedstock, affecting secondary copper suppliers Secondary copper suppliers have sold aggressively and collected payments to ease cash flow issues

  • The recovery of oxide copper minerals from a complex

    Initial tests were conducted to optimise chalcopyrite and secondary copper sulphide mineral recovery using only SIBX and this showed that a dosage of 30 g/t SIBX gave the highest Cu recovery (247%) at a grade of 145% This dosage was then used in subsequent tests

  • Cited by: 23
  • RECOVERY OF COPPER FROM OXIDE COPPER ORE BY

    RECOVERY OF COPPER FROM OXIDE COPPER ORE BY FLOTATION AND LEACHING Kiraz, Emirhan MS, Department of Mining Engineering Supervisor: Prof Dr Mustafa Ümit Atalay December 2014, 65 pages The aim of this study was the recovery of copper from the oxide copper ore by froth flotation and agitating sulphuric acid (H 2 SO 4) leaching

  • Precious metal recoveries in secondary copper

    The recovery of precious metals from the WEEE is currently performed in coppermaking circuits including copper smelters, converters and secondary (black) copper smelters Black copper smelting is typically implemented for lowgrade copper

  • Biologically Assisted Copper Secondary Sulfide Ore

    Copper recovery in solution, along with a high redox potential, was established faster in the mesophilic column but leveled off quickly over time Copper extraction showed that the 6 g/l chloride column has the highest metallurgical performance (83% CuT) with 4 extra points of copper recovery over the 15 g/L and 3 g/l Cl columns

  • Study on Recovery of Associated Copper Oxide Ore by

    and application of wet copper smelting technology This method has a good effect on secondary copper oxide ore and some copper oxide ore For the original copper ore with the largest content in copper ore, the leaching time is long and the effect is poor [4] Trace impurities have a decisive influence on the conductivity of copper

  • BACKGROUND REPORT SECONDARY COPPER SMELTING,

    Casting of alloyed or refined copper products is the final step used by the secondary copper industry in the recovery of copper from scrap material The molten metal is poured into molds from ladles or small pots serving as surge hoppers and flow regulators The resulting products include shot, wirebar, anodes, cathodes, ingots, or other cast

  • The recovery of oxide copper minerals from a complex

    The ore deposit contains both primary and secondary copper minerals and is therefore classed into three distinct types, viz sulphide, oxide and mixed The mixed ore contains oxide, supergene oxide and hypogene sulphide copper species respectively with the greater part of the deposit being made up of sulphide and mixed ores

  • A New Technique for Recovering Copper from

    In summary, the proposed methods by Kunming University of Science and Technology scientists proved efficient for copper recovery, energy saving, and adaptability Copper recovery was enhanced up to 8761% Generally, the flexibility of the process allows adjustments according to the ore characteristics

  • RECOVERY OF COPPER FROM OXIDE COPPER ORE BY

    RECOVERY OF COPPER FROM OXIDE COPPER ORE BY FLOTATION AND LEACHING Kiraz, Emirhan MS, Department of Mining Engineering Supervisor: Prof Dr Mustafa Ümit Atalay December 2014, 65 pages The aim of this study was the recovery of copper from the oxide copper ore by froth flotation and agitating sulphuric acid (H 2 SO 4) leaching

  • Investigation of Copper Recovery from a New Copper Ore

    Recently, Zhong et al [8] indicated that the recovery of pure chalcopyrite was high in the presence of dithiophosphinate even at natural pH 8 (of the ore) and further showed optimum flotation results of bench scale flotation of a copper ore at the same pH In the current study, the adsorption and

  • LEACHING OF LOWGRADE COPPER ORES: A CASE

    The total Cu recovery rate ranged from 30 to 56 %, whereas the recovery rate of copper oxide minerals ranged from 67 to 100 % Furthermore, with increasing the amount of liquid phase, copper recovery increases as well, and copper oxide minerals were completely leached out Besides copper

  • Processing of Complex Materials in the Copper

    With the gradual decrease in the grade of copper ores being processed, copper concentrates have become more complex with higher impurity and gangue content This trend has had a detrimental effect on smelters as they have to increase throughput to maintain copper metal production, while increasing operating costs due to processing the increased amounts of secondary

  • Precious metal recoveries in secondary copper

    The recovery of precious metals from the WEEE is currently performed in coppermaking circuits including copper smelters, converters and secondary (black) copper smelters Black copper smelting is typically implemented for lowgrade copper

  • Method for recovery of metal values from secondary

    Method for recovery of metal values from secondary coppersmelter flue dusts using an ammonium carbonateammonium hydroxide system

  • Secondary Copper Converter Dust Metal Recovery

    An alkaline method to recover ZnO and metal values from secondary copper smelter flue dusts was developed The method consists of an alkaline (NH4)2CO3NH4OH leach of the flue dust; recovery of soluble Cu, Pb, and Sn by cementation with Zn metal; and recovery

  • Study on Recovery of Associated Copper Oxide Ore by

    and application of wet copper smelting technology This method has a good effect on secondary copper oxide ore and some copper oxide ore For the original copper ore with the largest content in copper ore, the leaching time is long and the effect is poor [4] Trace impurities have a decisive influence on the conductivity of copper

  • BACKGROUND REPORT SECONDARY COPPER SMELTING,

    Casting of alloyed or refined copper products is the final step used by the secondary copper industry in the recovery of copper from scrap material The molten metal is poured into molds from ladles or small pots serving as surge hoppers and flow regulators The resulting products include shot, wirebar, anodes, cathodes, ingots, or other cast

  • A New Technique for Recovering Copper from

    In summary, the proposed methods by Kunming University of Science and Technology scientists proved efficient for copper recovery, energy saving, and adaptability Copper recovery was enhanced up to 8761% Generally, the flexibility of the process allows adjustments according to the ore characteristics

  • RECOVERY OF COPPER FROM OXIDE COPPER ORE BY

    RECOVERY OF COPPER FROM OXIDE COPPER ORE BY FLOTATION AND LEACHING Kiraz, Emirhan MS, Department of Mining Engineering Supervisor: Prof Dr Mustafa Ümit Atalay December 2014, 65 pages The aim of this study was the recovery of copper from the oxide copper ore by froth flotation and agitating sulphuric acid (H 2 SO 4) leaching

  • Copper Recovery from SilicateContaining LowGrade

    Copper Recovery from SilicateContaining LowGrade Copper Ore Using Flotation Followed by HighPressure Oxidative Leaching Vol 64, No 1 (21) 5 acid (H 2 SO 4) were used in this study The silicate containing lowgrade copper ore samples were first introduced into the flotation cell with 500 mL water under constant stripping (1000 rpm) to pre

  • Investigation of Copper Recovery from a New Copper Ore

    Recently, Zhong et al [8] indicated that the recovery of pure chalcopyrite was high in the presence of dithiophosphinate even at natural pH 8 (of the ore) and further showed optimum flotation results of bench scale flotation of a copper ore at the same pH In the current study, the adsorption and

  • Heap Leaching Oxide and Sulfide Copper Ores

    In this case, the ultimate economic recovery under laboratory conditions, on a minus2inch sample (test number 5) was approximately 65 percent at an acid consumption of 56 pounds of acid per pound of copper The field test on the same ore gave an ultimate economic recovery

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