Flotation Oxidised Copper Ore

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  • Copper Flotation Mineral Processing & Metallurgy

    Metallurgical ContentA Copper Flotation FlowsheetCOPPER MININGCRUSHING COPPER ORECOPPER ORE STORAGEGRINDING COPPER ORECOPPER FLOTATION CIRCUITCOPPER THICKENING AND FILTERINGPROCESS CONTROLSCopper Flotation Process SummaryFlotation of Copper Ores Although basic porphyry copper flotation and metallurgy has remained virtually the

  • (PDF) Flotation of an Oxidized Copper Sulfide Ore

    The aim of this study was the recovery of copper from the oxide copper ore by froth flotation and agitating sulphuric acid (H2SO4) leaching. The ore with 4.21% copper grade used in this study was

  • Copper Ore Processing Methods

    Oxidized ores in which malachite, azurite, and chrysocolla are the predominant copper minerals that do not respond either to gravity or simple flotation methods. Sulfide-filming of the carbonates followed by flotation of the filmed minerals, or direct leaching followed by precipitation of the copper from the solution may be employed for such ores.

  • (PDF) A Review of the Flotation of Copper Minerals

    Most of earlier research on flotation of oxidised copper minerals was of empirical n ature [8]. Although a . number of methods have been proposed for fl otation of thes e ores, only a few hav e

  • Copper extraction Wikipedia

    Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.

  • The Effects of Different Depressants on Oxidised Copper

    2014-04-01· For refractory oxidised copper ores of Huidong Sichuan province, studing the different depressants on the influence of oxidised copper ores flotation behavior. The results showed that: the depressanting effect of the combination of sodium hexametaphosphate primarily is better. When the dosage of the combination of sodium hexametaphosphate and sodium humate reagent is 300 g/t,

  • Author: Tai Guo Jiang, Jian Jun Fang, Tie Min Zhang, Shan Wang, Ying Bo Mao
  • The effect of clay minerals on the process of flotation of

    2019-03-15· Finally, copper ores contain a great variety of different types of clay minerals and phyllosilicates, which implies a complex system which is different to other applications. In the present review, we analyse the principal researches developed to date, which deals with the impact of clay minerals on the flotation of copper ores. Particular

  • MEI Blog: Challenges in copper flotation

    2011-09-17· Then, the flotation must be capable to produce copper concentrates of low and high arsenic content. The second one must be treated by an alternative process. The treatment of copper ores with some degree of oxidation is other problem. In this case, the mine usually tries to send to the flotation process a material easy to treat. Nevertheless

  • EFFECT OF GRINDING CHEMISTRY ON THE SULPHIDISATION AND

    The effect of pulp chemistry on oxidised copper sulphide minerals and copper oxide minerals were first studied separately before examining a mixed system. The work completed on the oxidised sulphide mineral revealed that grinding pulp chemistry affects the flotation performance of the ore for each oxidation degree tested. For the

  • A New Application For Flotation Of Oxidized Copper Ore

    oxidized copper ore and different structures of copper ore have been carried out by many researchers using various flotation conditions. Oxidized copper ores are found in many places in the world. Formation of this type of ore occurs in the same locations as other copper ores

  • The recovery of oxide copper minerals from a complex

    The objective of this study was to investigate the floatability of a complex Kansanshi mixed copper ore with a special focus on the sulphidisation process. Controlled potential sulphidisation (CPS) is preferred over slug sulphidisation as the industry standard for the flotation of oxide copper minerals. Two potential ranges were investigated in

  • RECOVERY OF COPPER FROM OXIDE COPPER ORE BY FLOTATION

    RECOVERY OF COPPER FROM OXIDE COPPER ORE BY FLOTATION AND LEACHING Kiraz, Emirhan M.S., 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. The ore with 4

  • Flotation Oxidised Copper Ore arbeidsprobleem

    flotation oxidised copper ore bulksmspatna. flotation oxidised copper ore crusherasia. how to treat oxidized ore in flotation Gold Ore Crusher . Copper extraction techniques Wikipedia, the free encyclopedia is not used to concentrate copper oxide ores, as oxide minerals are not responsive to the froth flotation by mines are sold to

  • The role of collectors in the flotation of partially

    The effects of xanthates, dithiophosphates, dithiocarbamates and mixtures of these collectors on the froth flotation performance of partially oxidised and oxidised copper sulphide ores were investigated in this study. More specifically, the role of the functional groups of the collectors, their dosages and the effect of collector mixtures and

  • PROCESS OPTIMISATION OF MIXED COPPER ORES THROUGH

    Mixed copper ores are treated through different processes depending on the degree of oxidation as well as the consumption of acid. 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

  • Copper Ore Types: Sulfides vs. Oxides INN

    However, in some cases low-grade copper oxide ores can still be economically mined because they can be processed at a lower cost than copper sulfide ores. Oxidized copper orebodies may be treated

  • Flotation of a copper sulphide ore from Okiep using thiol

    Flotation of a copper sulphide ore from Okiep using thiol collectors and their mixtures The Journal of The South African Institute of Mining and Metallurgy VOLUME 105 NON-REFEREED PAPER MARCH 2005 201 Figure 1—The final cumulative copper recovery vs. collector dosage obtained with C2-X, di-C2-DTP and di-C2-DTC in the flotation of the Okiep copper ore

  • PROCESS OPTIMISATION OF MIXED COPPER ORES THROUGH

    Mixed copper ores are treated through different processes depending on the degree of oxidation as well as the consumption of acid. 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

  • Effect of pulp potential on the flotation of a sulfide

    Surface oxidation of secondary minerals, such as chalcocite, bornite and digenite, present in the Salobo copper ore makes their flotation difficult and requires excessive reagent consumptions. Two...

  • THE EVALUATION OF A COPPER FLOTATION PLANT

    The evaluation of a copper flotation plant performance by plant survey and laboratory tests 97 In the plant mainly three different ore types (named as sulphide ore, complex ore and oxidized ore) are processed. Mineralogical compositions of the samples were determined by microscopic examination of the polished sections for sulphide minerals

  • Published in: Physicochemical Problems of Mineral Processing · 2004Authors: Levent Ergun · Zafir Ekmekci · Ozcan Y Gulsoy · Hakan BenzerAffiliation: Hacettepe University
  • Recovery of Copper from Sulfide-Oxidized Copper Ore by

    The copper mine is the sulfide-oxidized copper ore. The grade of copper is 0.5%, with the oxidation of 22%. According to the properties of the ore; a systematic study was did for the ore, include collectors, activators and grinding fineness. Under the optimized conditions, copper concentrates grade of Cu 16.56% with a recovery of 85.62% was obtained through the locked cycle flotation of twice

  • Procedure for extaction of metals from gold containing

    A method of refining sulfide is oxidized copper ores (RU # 2337160, publ. 27.10.2008), including collective flotation of sulphide and oxidized copper minerals from the ore, leaching of concentrate sulfuric acid solution involving ozone and/or hydrogen peroxide and ferric ions, dewatering and washing of the cake leaching and extraction of copper

  • US4011072A Flotation of oxidized copper ores Google

    Copper is recovered from an aqueous pulp of an ore containing both sulfide minerals and oxidized minerals by continuously monitoring the EMF of the pulp and adding a water-soluble sulfide to the pulp in an amount from 0.05 to 7 pounds of contained sulfur per ton of ore whenever and for so long as the pump EMF is above about -30 millivolts with reference to a standard silver-silver chloride

  • Copper Mining and Extraction Sulfide Ores

    About 200 years ago the UK was an important world source of copper and tin and there were mines in Cornwall and Devon. These mines have now closed and today the biggest copper mines are in Chile (Escondida mine) and Indonesia (Grasberg mine). These produce many millions of tonnes of copper ore per year. The main ores of copper are sulfides and

  • (PDF) Investigation into the mineralogy and flotation

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  • Copper ores Danafloat

    Effective flotation collector reagent selection is dependent on the sulphide minerals present, their mineral associations in the ore, and circuit characteristics. Because an ore typically has more than one copper sulphide mineral type, often a combination of sulphide flotation collectors is used to maximize metallurgical performance. These are