secondary copper ore recovery

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  • Treatment of secondary copper sulphides (chalcocite and ,

    Treatment of secondary copper sulphides (chalcocite and covellite) by the BRISA process , abundant secondary copper ore in the world with a rapid dissolution of copper in an acid-chloride ....

  • CANATUAN CU/ZN FLOTATION METALLURGY

    and commissioned in November 2008 During the initial stages of sulphide operation, high copper (Cu)-low zinc (Zn) ore was fed to the plant Marketable copper concentrate at 91-95% recovery was produced utilizing a high-pH bulk sulphide rougher flotation and 2 cleaning stag Because of increased levels of Zn...

  • GOLD RECOVERY FROM COPPER-RICH ORES EMPLOYING ,

    to limited copper reporting to the electrowinning circuit This is a medium-base resin, hence stripping of gold is done with dilute caustic solution containing some cyanide Figure 1 Current and alternative flowsheets for copper and gold recovery from Au/Cu ores...

  • POLYMETALLIC ORES HYDROMETALLURGICAL PROCESSING

    were a copper plant and a copper-tin plant using flotation and gravity methods for ore concentration Currently, there are two flotation plants: the copper plant capacity is 25 Mt ores/year and the zinc plant capacity is 10 Mt ores/year In 2013, NevesCorvoproduced 56,500 t of Cu and 53,400 t ,...

  • Copper extraction - Wikipedia

    For sulfide ores, both secondary and primary , froth flotation is used to physically separate ore from gangue For special native copper bearing ore bodies or sections of ore bodies rich in supergene native copper, this mineral can be recovered by a simple gravity circuit Froth flotation...

  • Lead smelting - Wikipedia

    Plants for the production of lead are generally referred to as lead smeltersPrimary lead production begins with sinteringConcentrated lead ore is fed into a sintering machine with iron, silica, limestone fluxes, coke, soda ash, pyrite, zinc, caustics or pollution control particulat Smelting uses suitable reducing substances that will combine with those oxidizing elements to free the metal...

  • 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...

  • AP-42, CH 129: Secondary Copper Smelting

    The principal pollutant emitted from secondary copper smelting activities is particulate matter As is characteristic of secondary metallurgical industries, pyrometallurgical processes used to separate or refine the desired metal, such as the burning of insulation from copper wire, result in emissions of metal oxides and unburned insulation...

  • Copper Dross - Metalcess

    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 ,...

  • 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 ....

  • Gold & Silver - Department of Energy

    Much of the extracted ore must be milled to prepare it for further recovery activiti Uniformly sized particles may be obtained by crushing, grinding, and wet or dry 2 US Geological Survey, Mineral Yearbook, 2000, Gold 3 US Geological Survey, Mineral Yearbook, 2000, Silver Gold & Silver 7-3...

  • LEACHING OF LOW-GRADE COPPER ORES: A CASE STUDY ,

    The changes in copper content in the ore with the time of exploitation at the RTB mines [9] Oxide copper ore, mixed oxide-sulphide ores and low-grade copper sulphide ore, which, for economic reasons, cannot be enriched by flotation, may be processed by leaching methods Agents for leaching copper...

  • Non-ferrous metal recycling: Recovery of non-ferrous ,

    The product (ZORBA) of the non-Fe separator is a valuable input for all manner of non-Fe metal recovery plant as a means of separating and recycling the non-Fe metals contained Customers for non-Fe products include dry mechanical process operators, manual sorting plant, wet mechanical systems and secondary smelting operators...

  • 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...

  • AN INVESTIGATION OF COPPER RECOVERY FROM A ,

    Current copper deposits contain significant amounts of secondary non-sulphide minerals and newly discovered deposits are increasingly complex As a result, research into the improvement of sulphide-oxide copper ores processing through the use of mixed collector systems has surged...

  • Copper Flotation - Mineral Processing & Metallurgy

    A Copper Flotation Flowsheet Because the copper in this type of ore usually assays only plus or minus 1% copper, the porphyry copper operations must be relatively large in order to be commercial The flowsheet in this study illustrates a typical 3,000 ton per day operation...

  • Enhanced methods for nickel recovery from low-grade ores ,

    Sep 06, 2017· Let's take a look at nickel recovery from low-grade ores and from bleed solutions , demonstrating the steps of SX for nickel and copper recovery, , In the future, more recovery and recycling of nickel from secondary sources and low-grade ores will be even more important as ore grades decline and primary resources are depleted ....

  • Recovery of Copper by Solution Mining Methods

    2 Recovery of Copper by Solution Mining Methods Solution mining replicates the natural process of oxidation and reduction, described above Dilute acidic solutions are introduced to the copper-bearing ores, causing dissolution of soluble copper minerals (Table 1) remaining in the leached cap and underlying enrichment blanket...

  • Non-ferrous metal recycling: Recovery of non-ferrous ,

    The product (ZORBA) of the non-Fe separator is a valuable input for all manner of non-Fe metal recovery plant as a means of separating and recycling the non-Fe metals contained Customers for non-Fe products include dry mechanical process operators, manual sorting plant, wet mechanical systems and secondary smelting operators...

  • The recovery of oxide copper minerals from a complex ,

    The recovery of oxide copper minerals from a complex copper ore by sulphidisation , 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 ....

  • PROCESS OPTIMISATION OF MIXED COPPER ORES ,

    Mixed copper ores are treated through different processes depending on the degree of oxidation as well as the consumption of ac With the availability of real-time technology that can reliably measure differences between oxide and sulphide minerals, it is now possible to control a mixed copper ore process...

  • CANATUAN CU/ZN FLOTATION METALLURGY

    and commissioned in November 2008 During the initial stages of sulphide operation, high copper (Cu)-low zinc (Zn) ore was fed to the plant Marketable copper concentrate at 91-95% recovery was produced utilizing a high-pH bulk sulphide rougher flotation and 2 ,...

  • v118n11a5 Relationship between ore mineralogy and copper ,

    differences in copper mineralogy between these two ores because the flotation recovery of chrysocolla is negligible The difference in chrysocolla content is more clearly demonstrated in the following sections Relationship between ore mineralogy and copper recovery across different processing circuits #$ ) @--% 1157...

  • 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...

  • INVESTIGATION OF EFFECTIVE PARAMETERS FOR ,

    Investigation of effective parameters for molybdenite recovery from porphyry copper ores, 479 subjects the bulk copper-molybdenum sulphide concentrate to a selective flotation technique to separate molybdenite from copper sulphide Reagents Reagent programs applied for the treatment of porphyry copper and copper-...

  • CANATUAN CU/ZN FLOTATION METALLURGY

    and commissioned in November 2008 During the initial stages of sulphide operation, high copper (Cu)-low zinc (Zn) ore was fed to the plant Marketable copper concentrate at 91-95% recovery was produced utilizing a high-pH bulk sulphide rougher flotation and 2 ,...

  • v117n8a11 The role of pulp potential and the ,

    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, with the greater part of the deposit being made up of sulphide and mixed or The oxide ore has a much higher copper grade than the ....

  • COPPER Copper production - TU Delft

    Separation of special copper ores such as those containing molybdenite or with high zinc or lead content (Canada) is also possible by flotation methods Flotation of non-sulfide copper minerals is rare because these ores are mostly subjected to hydrometallurgical copper recovery, for example, heap leaching...

  • Optimization of parameters affecting recovery of copper ,

    extraction of copper from low-grade sulfide ores was evaluated in a sample taken from Sarcheshmeh Copper Mine The aim of this work was to evaluate the parameters affecting the recovery of copper from low-grade sulfide ores such as temperature, pH, and bacterial population during bioleaching The copper content of the...

  • Electrolytic Recovery of Copper and Zinc from Brasses

    Electrolytic Recovery of Copper and Zinc from Brasses Thomas Barker Jr , The increase in the secondary production of copper is due to many factors One of these may be its permenance; that is, , companies which have the facilities for the recovery of copper from sulfide or The brass would have to be shipped from the...