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  • Recover Cobalt in Copper Leach Solution by Ion

    2018-2-28 · A preliminary economic evaluation of the process to recover cobalt from spent copper leach solution was prepared by the Bureau’s Process Evaluation Group. The estimated capital cost for a plant processing 10,000 gpm of feed solution

    Recovery of Cobalt From Spent Copper Leach Solutions

    RECOVERY OF COBALT FROM SPENT COPPER LEACH SOLUTIONS-IMPROVED ELUTION AND IMPURITY REMOVAL TECHNIQUES, WITH REVISED PROCESS ECONOMICS By P. G. Bennett1 and T. H. Jeffers2 ABSTRACT The Bureau of Mines developed a process using ion exchange to recover cobalt from spent copper leach solutions.

    Recovery of cobalt from spent copper leach solution

    Nickel, zinc, and copper byproducts were also recovered during processing of the ion-exchange eluates. Estimated total capital cost for a commercial-scale plant processing 10,000 gpm (2,270 m3/h) of a spent leach solution containing 26 mg/L Co was $23.1 million (U.S.). With credits for zinc, nickel, and copper byproducts, the estimated net

    Recovery of Cobalt From Spent Copper Leach CORE

    Abstract. The Bureau of Mines developed a process using ion exchange to recover cobalt from spent copper leach solutions. A preliminary economic evaluation of the process indicated that about one-third of the capital cost was attributed to the total resin inventory, and one-third of the operating cost was required for reagents to remove iron from the ion-exchange eluates.

    Recovery of cobalt from spent copper leach solution

    1988-1-1 · Simplified flow diagram for cobalt recovery from spent copper leach solution. eluates: (c) a second solvent-extraction operation to separate the cobalt and nickel and concentrate the cobalt: and (d) cobalt electrowinning to produce a final product.

    Separation and Recovery of Cobalt from Copper Leach

    2012-10-26 · Significant amounts of cobalt, a strategic and critical metal, are present in readily accessible copper recycling leach solutions. However, cost-effective technology is not available to separate and recover the cobalt from this low-grade domestic source. The Bureau of Mines has developed a procedure using a chelating ion-exchange resin from Dow Chemical Co. to successfully extract cobalt from

    Leach Solution Using Continuous

    RECOVERY OF COBALT FROM SPENT COPPER LEACH SOLUTION USING CONTINUOUS ION EXCHANGE By T. H. Jeffers,1 K. S. Gritton,1 P. G. Bennett,1 and D. C. Seldel2 With an Appendix on Process Economics by Thomas A. Phi llips ABSTRACT Significant amounts of cobalt are present in readily accessible spent copper leach solutions.

    Recovery of metals by ion exchange process using

    Cobalt Copper a b s t r a c t Chelating ion exchange resins can be used to recover metals from nickel laterite leach solu- nickel and cobalt recovery using chelating ion exchange resin Lewatit

    Recovery of metals by ion exchange process using

    2019-9-1 · Chelating ion exchange resins can be used to recover metals from nickel laterite leach solution. The main problem is the high presence of iron. In pH above 2.00, iron precipitates and there is co-precipitation of copper and cobalt, which decreases recovery process efficiency.

    RECOVERY OF NICKEL AND COBALT FROM LEACH

    and acid re-leach to separate cobalt, copper and zinc from manganese. The zinc is eliminated by solvent extraction with D2EHPA and the copper by ion exchange (IX).

    Leach Solution Using Continuous

    RECOVERY OF COBALT FROM SPENT COPPER LEACH SOLUTION USING CONTINUOUS ION EXCHANGE By T. H. Jeffers,1 K. S. Gritton,1 P. G. Bennett,1 and D. C. Seldel2 With an Appendix on Process Economics by Thomas A. Phi llips ABSTRACT Significant amounts of cobalt are present in readily accessible spent copper leach solutions.

    NIOSHTIC-2 Publications Search 10006238

    The Bureau of Mines developed a process using ion exchange to recover cobalt from spent copper leach solutions. A preliminary economic evaluation of the process indicated that about one-third of the capital cost was attributed to the total resin inventory, and one-third of the operating cost was required for reagents to remove iron from the ion-exchange eluates.

    SOLVENT EXTRACTION/ ION EXCHANGE FOR METAL

    2012-7-25 · SOLVENT EXTRACTION/ ION EXCHANGE FOR METAL SEPARATION AND RECOVERY MANOJ KUMAR AND VINAY KUMAR different non-ferrous metals such as copper, nickel, cobalt, tungsten etc from different ores, In this process copper is extracted from the leach solution using substituted hydroxyoxime, LIX64N.

    US20110195000A1 Ion exchange cobalt recovery

    Method of ion exchange cobalt recovery. Raffinate including cobalt, zinc, copper, nickel and ferric iron is produced. In the raffinate, the pH is raised, the solids are removed and ferric iron is reduced. A copper recovery ion exchange unit is loaded with ion exchange resin selective for copper. Raffinate is fed into the copper recovery ion exchange unit which is regenerated to recover

    Development and implementation of a novel pressure

    2009-8-27 · iron-copper-cobalt alloy, which is then atomized and leached under oxygen pressure to generate a solution suitable for the recovery of copper and cobalt metals within the framework of the existing Chambishi plant. The COSAC process is unique to the base metals industry, being the first of its kind to recover cobalt and copper from discarded slag.

    Pre-Reducing Process Kinetics to Recover Metals from

    The main problem of the separation process from nickel mining using the ion exchange technique is the presence of iron, which precipitates in pH above 2.00 and causes coprecipitation of copper and cobalt. Chelating resins have the main advantage of being selected for a specific metal present in solution. Studies have been developed to increase the efficiency of metals recovery using chemical

    JOM 0610: Cobalt-Its Recovery, Recycling, and

    With the ion exchange method, Lewatit TP 207 can effectively remove copper and zinc from nickel and cobalt solution. This type of cation exchange resin can also separate nickel from cobalt solution

    HYDROMETALLURGY 9 Cobalt processing options

    2018-8-20 · (SX), and ion exchange (IX). Product choices include hydroxide, carbonate, sulphate, and metal cathode. Copper and cobalt circuits Copper and cobalt are usually simultaneously dissolved from the oxide ores using acid and SO 2 (added as sodium metabisulphite, SMBS) for reduction of Co(III) minerals. The downstream thickener overflow advances

    Solvometallurgical recovery of cobalt from lithium-ion

    Fig. 1 indicates that leaching of the metals is in general faster at higher temperatures. Cobalt, copper and lithium show a very similar behaviour, while dissolution of aluminium is slower. The efficiency of copper dissolution decreases over time at 80 °C, because of the cementation reaction with aluminium. 61 Aluminium reduces copper(I / II) during cementation and gets oxidised to aluminium

    Separation of Copper(II) from Base Metals in an Acidic

    2019-4-15 · (2013). Separation of Copper(II) from Base Metals in an Acidic Synthetic Sulfate Leach Solution Using a Novel 1-Octylimidazole-2-Aldoxime Extractant. Solvent Extraction and Ion Exchange: Vol. 31, No. 1, pp. 61-78.

    Recovery of Cobalt From Spent Copper Leach CORE

    Abstract. The Bureau of Mines developed a process using ion exchange to recover cobalt from spent copper leach solutions. A preliminary economic evaluation of the process indicated that about one-third of the capital cost was attributed to the total resin inventory, and one-third of the operating cost was required for reagents to remove iron from the ion-exchange eluates.

    US20110195000A1 Ion exchange cobalt recovery

    Method of ion exchange cobalt recovery. Raffinate including cobalt, zinc, copper, nickel and ferric iron is produced. In the raffinate, the pH is raised, the solids are removed and ferric iron is reduced. A copper recovery ion exchange unit is loaded with ion exchange resin selective for copper. Raffinate is fed into the copper recovery ion exchange unit which is regenerated to recover

    Elution strategies for recovery of nickel and cobalt

    Ion exchange resin has been used to recover value metal in the uranium and gold industry through resin-in-pulp/leach and similar carbon-in-leach/pulp processes for decades. More recently, resin-in-pulp processes have gained attention as a potential method to improve the efficiency of nickel operations. While every nickel laterite operation is unique, many involve an acid leach, neutralization

    The recovery of copper from a pregnant sulphuric acid

    2013-7-1 · cobalt with chelating ion exchange. The solution therefore has to be purified of iron prior to using ion exchange for metals recovery from the solution. A popular way of purifying aqueous solutions from iron without significant losses of target metals such as copper, nickel, cobalt, and zinc is by hydroxide precipitation (Habashi, 1990

    The recovery of nickel and cobalt from a sulphate

    2013-8-20 · The leach solution recovered after iron precipitation and copper ion exchange contained primarily Ni and Al as well as low concentrations of Co, Fe, Zn, and Mn. The composition of the synthetic bioleach solution used in this study is presented later in this paper.

    Copper Iontech

    copper recovery from pregnant leach solution using combination of ion exchange, solvent extraction and electrowinning (Combined L/IX/SX/EW process ) For nearly thirty years, solvent extraction process has been the most prevalent technique of copper recovery in mining industry.

    JOM 0610: Cobalt-Its Recovery, Recycling, and

    With the ion exchange method, Lewatit TP 207 can effectively remove copper and zinc from nickel and cobalt solution. This type of cation exchange resin can also separate nickel from cobalt solution

    Separation of Copper(II) from Base Metals in an Acidic

    2019-4-15 · (2013). Separation of Copper(II) from Base Metals in an Acidic Synthetic Sulfate Leach Solution Using a Novel 1-Octylimidazole-2-Aldoxime Extractant. Solvent Extraction and Ion Exchange: Vol. 31, No. 1, pp. 61-78.

    Processes Group MINTEK MINTEK MINTEK

    Ion exchange is a hydrometallurgical technique that can be effective to recover metals at very low concentrations (ppm levels), and where other separation techniques fail, selective separations may be achieved by the correct choice of ion exchange resin. Ion exchange can potentially treat poorly clarified liquors or even pulps, thus eliminating

    TECHNICAL PAPER Ion Exchange Resin Manufacturer

    2020-2-10 · Copper-Rich Ores Employing the Purolite S992 Gold-Selective Ion Exchange Resin This paper discusses the use of a commercially available ion exchange resin with an exceptionally high selectivity for gold over copper. Presented at the Alta 2012

    Recovery of Cobalt From Spent Copper Leach CORE

    Abstract. The Bureau of Mines developed a process using ion exchange to recover cobalt from spent copper leach solutions. A preliminary economic evaluation of the process indicated that about one-third of the capital cost was attributed to the total resin inventory, and one-third of the operating cost was required for reagents to remove iron from the ion-exchange eluates.

    Recovery of copper from Chilean mine waste waters

    2016-7-31 · application of ion exchange to the recovery of copper from these two waste-water sources. Advantages resulting copper-containing pregnant leach solution (PLS) is treated for copper recovery by solvent extraction (SX). Source 1 also offers the possibility of recovering cobalt and nickel using a two-step elution process,

    JOM 0610: Cobalt-Its Recovery, Recycling, and

    With the ion exchange method, Lewatit TP 207 can effectively remove copper and zinc from nickel and cobalt solution. This type of cation exchange resin can also separate nickel from cobalt solution

    Recovery of Metal Values from Spent Battery Leach

    2015-7-28 · A mixed solvent extractant system was developed for the purification of cobalt and lithium in spent lithium-ion battery leach solutions. The addition of Acorga M5640 to the Ionquest 801 organic solution generated a significant pH isotherm shift for copper with a ΔpH50 value of 3.45 pH units. This indicates that the separation of

    Elution strategies for recovery of nickel and cobalt

    Ion exchange resin has been used to recover value metal in the uranium and gold industry through resin-in-pulp/leach and similar carbon-in-leach/pulp processes for decades. More recently, resin-in-pulp processes have gained attention as a potential method to improve the efficiency of nickel operations. While every nickel laterite operation is unique, many involve an acid leach, neutralization

    Method for recovering precious metals and copper

    2012-6-15 · In a preferred embodiment of the disclosure, gold and other precious and metals in a feed are recovered into solution at a metal recovery plant by a thiosulfate leaching process 100 followed by ion exchange to recover gold thiosulfate complex present in pregnant leach liquor from the leach step via a resin-in-pulp (RIP) or resin-in-leach (RIL

    Solvometallurgical recovery of cobalt from lithium-ion

    Recycling of cobalt from end-of-life lithium-ion batteries (LIBs) is gaining interest because they are increasingly used in commercial applications such as electrical vehicles. A common LIB cathode material is lithium cobalt oxide (LiCoO2). Besides the cathode, LIBs contain other components, such as metallic

    Separation of Copper(II) from Base Metals in an Acidic

    2019-4-15 · (2013). Separation of Copper(II) from Base Metals in an Acidic Synthetic Sulfate Leach Solution Using a Novel 1-Octylimidazole-2-Aldoxime Extractant. Solvent Extraction and Ion Exchange: Vol. 31, No. 1, pp. 61-78.

    TECHNICAL PAPER Ion Exchange Resin Manufacturer

    2020-2-10 · Copper-Rich Ores Employing the Purolite S992 Gold-Selective Ion Exchange Resin This paper discusses the use of a commercially available ion exchange resin with an exceptionally high selectivity for gold over copper. Presented at the Alta 2012

    Processes Group MINTEK MINTEK MINTEK

    Ion exchange is a hydrometallurgical technique that can be effective to recover metals at very low concentrations (ppm levels), and where other separation techniques fail, selective separations may be achieved by the correct choice of ion exchange resin. Ion exchange can potentially treat poorly clarified liquors or even pulps, thus eliminating

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