what ph is commonly efficient in copper ore flotation

2018-05-070183;32;. are most commonly used for this . results copper ore flotation mixed sulfide-oxide ores. copper recoveries . in the optimum flotation region for copper approximately -400 to -600 mv the ph values were in the range of . Learn More

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  • what ph is commonly used in copper ore flotation

    what ph is commonly used in copper ore flotation

    A detailed study was conducted to evaluate the effect of particle size, pH, flotation time, collector type and addition on efficiency of tennantite flotation. It was shown that maximum copper recovery of 95,3% was obtained at pH 12.3 by lime.It was suggested to grind up to 65.72% of -0.074 mm to achieve the optimum recovery of copper and high

  • Study of Flotation Parameters for Copper Recovery from

    Study of Flotation Parameters for Copper Recovery from

    A detailed study was conducted to evaluate the effect of particle size, pH, flotation time, collector type and addition on efficiency of tennantite flotation. It was shown that maximum copper recovery of 95,3% was obtained at pH 12.3 by lime.It was suggested to grind up to 65.72% of -0.074 mm to achieve the optimum recovery of copper and high

  • Coupling mineralogy with physicochemical parameters in

    Coupling mineralogy with physicochemical parameters in

    Keywords: copper ore, flotation, quantitative mineralogy, physico chemical factors 1. Introduction 1.1. Geology The Chelopech mine located in Bulgaria is a part of the Dundee Precious Metals (DPM) group from Canada. The underground mine and the associated flotation

  • Effects of pH and pulp potential on selective separation

    Effects of pH and pulp potential on selective separation

    Flotation experiments were performed in a 2.5l Denver laboratory flotation cell. The pH was adjusted by lime and Merck sulfuric acid. Na 2 S was applied as copper minerals depressant and also flotation pulp potential adjustment. 50 g/t diesel oil was used as molybdenite collector

  • Lime use and functionality in sulphide mineral flotation

    Lime use and functionality in sulphide mineral flotation

    Nov 01, 2019 Lime is the most economical and commonly used reagent for pH control in flotation. •. Ca 2+ ions in lime can enhance depression of minerals and flotation selectivity in a variety of ores. •. For talc- and clay-rich ores, Ca 2+ ions can be detrimental, and other pH modifiers are preferred. •

  • A critical review of surface properties and selective

    A critical review of surface properties and selective

    Apr 01, 2012 Castro et al. (2003) also investigated the depressant effects of MAA on enargite in the recleaner stage of copper ore flotation over a pH range of 7–10 and a MAA dosage range of 1.8–10.8 kg/t. A limited depressant effect was observed with the best result reported at pH 10 and a MAA dosage rate of 2.5 kg/t, resulting in an arsenic recovery

  • Copper Lead Concentrate Separation

    Copper Lead Concentrate Separation

    Oct 01, 2015 At the end, the use of a sequential copper-lead-zinc flotation circuit produced the most efficient copper and lead separation. A bulk flotation process followed by a reverse flotation where copper was depressed and lead was floated from the bulk concentrate also produced separate concentrates, but at lower efficiency than the sequential circuit

  • The Complete Collection of Copper Beneficiation Reagents

    The Complete Collection of Copper Beneficiation Reagents

    Jul 12, 2021 The Complete Collection of Copper Beneficiation Reagents. In the flotation process of the copper mine, the use of flotation reagents to change the surface properties of the mineral is a flexible and effective way to control the flotation behavior. It is also an important reason why flotation can be widely used in mineral processing

  • What ph is commonly used in copper ore flotation-Henan

    What ph is commonly used in copper ore flotation-Henan

    CHAPTER9 FROTH FLOTATION AND ITS APPLICATION TO. For effective flotation, generally three types of flotation reagents are used They are collectors, frothers, and modifiers Table 1 lists flotation reagents commonly used in iron ore processing In addition to surfactants, a number of inorganic compounds are included These are either used as pH regulators (lime, soda ash, sulphuric acid

  • Copper Ore - an overview | ScienceDirect Topics

    Copper Ore - an overview | ScienceDirect Topics

    Copper complexes that can be present in cyanide liquors include Cu (CN) 2 −, Cu (CN) 3 2 −, and Cu (CN) 4 3 − with the proportions dependent on the pH, copper concentration, and free cyanide concentration. The main issue facing the process engineer is the fact that minimization of cyanide consumption is favored by the formation of species with a low copper:cyanide mole ratio, e.g., Cu

  • (PDF) The mineralogy of pyrrhotite from Sudbury CCN and

    (PDF) The mineralogy of pyrrhotite from Sudbury CCN and

    Keywords: pyrrhotite, mineralogy, oxidation, reactivity and sulfide flotation 2 INTRODUCTION Pyrrhotite Fe(1-x)S is one of the most commonly occurring metal sulfide minerals and is recognised in a variety of ore deposits including nickel-copper, lead-zinc, and platinum group element

  • 1 Froth Flotation – Fundamental Principles

    1 Froth Flotation – Fundamental Principles

    Problem: A copper ore initially contains 2.09% Cu. After carrying out a froth flotation separation, the products are as shown in Table 1. Using this data, calculate: (a) Ratio of concentration (b) % Metal Recovery (c) % Metal Loss (d) % Weight Recovery, or % Yield (e) Enrichment Ratio

  • NICKEL AND COBALT ORES: FLOTATION

    NICKEL AND COBALT ORES: FLOTATION

    a highly alkaline pH with cyanide as depressant and using thiols like xanthates or dithiophosphates as collectors. Although it is possible to reject signiRcant III/NICKEL AND COBALT ORES: FLOTATION 3491

  • Structural modification of cellulose to enhance the

    Structural modification of cellulose to enhance the

    tests results exhibited that the recovery of malachite was about 94% when the pulp pH 8 and collector concentration at 200 mg/dm3. The results of practical ore flotation tests showed that HCMCX could as an excellent collector for flotation of fine malachite, finally to achieve the concentrates containing 20% Cu and 88% Cu recovery

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