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Copper sulphate gold flotation

May 07, 2020

The role of copper sulphate in pyrite flotation ... Jan 01, 1988 Minerals Engineering, Vol. l, No. 3, pp, 203-212, 1988 0892-6875/88 $3.00 + 0.00 Printed in Great Britain Pergamon Press plc THE ROLE OF COPPER SULPHATE IN PYRITE FLOTATION C.T.O'CONNOR%, C.BOTHA%, M.J.WALLS% and R.C.DUNNE % Dept.of Chemical Engineering, University of Cape Town

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  • Copper Sulfate In Gold Flotation
    Copper Sulfate In Gold Flotation

    Copper Sulfate In Gold Flotation. The role of copper sulphate in pyrite flotation. The role of copper sulphate in the flotation of pyrite has been studied. A survey of a number of pyrite flotation plants using copper sulphate showed that in correct dosages it was able to increase both grades and recoveries. This was confirmed in batch tests

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

    flotation of copper ox ide ore, showed that fl otation recovery increas ed by 12.28% when ammonium sulphate was added in the presence of sodium sulphide. The hig hest recovery was obtained when

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  • Mining Industry | Copper Sulfide Ore and Flotation Process
    Mining Industry | Copper Sulfide Ore and Flotation Process

    Jul 09, 2019 1 Types of copper sulfide ore (1) Single copper mineral Its ore characteristic is relatively simple, and the only useful component that can be recycled is copper. The gangue minerals are mainly quartz, carbonate and silicate. (2) Copper-sulfur ore Called copper-bearing pyrite. In addition to copper minerals, iron sulfide can be recovered, and the main mineral of

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  • The role of copper sulphate in pyrite flotation
    The role of copper sulphate in pyrite flotation

    Jan 01, 1988 The addition of copper sulphate enhances the rate of pyrite flotation and the grade of concentrate. The role played by copper sulphate is not entirely clear, and a number of theories have been proposed to explain the observed effect. Firstly, it has been suggested that copper ions are adsorbed onto the pyrite surface, thus modifying the surface

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  • Reaction of metallic iron and copper sulphate in the
    Reaction of metallic iron and copper sulphate in the

    tests with the amount of copper sulphate increased f'rom. 2. to. 4:pounds was then made. Flotation Tests Employing 4 Pounds of C01?per Sulphate Per Ton. ot. Ore in the Prese:nce of. Varying. soun. ts of Iron. The procedure was. the. sam as that employed. in. the first two series except that. tm. amotmt of copper sulphate was doubled. t~ In

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  • Selective flotation of pyrite and gold tellurides
    Selective flotation of pyrite and gold tellurides

    Mar 01, 1997 With collector AF 211, copper sulphate has little effect on the recovery and flotation rate of sulphur. Gold recovery is decreased with the addition of copper sulphate at pH 4.7 - 8.0 but is increased at the higher pH of 11.0. The flotation rate of gold is improved at all pHs by the addition of copper sulphate

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  • Product Details – Cuprichem
    Product Details – Cuprichem

    Beside plants, cattle, sheep and horses can all receive foot baths containing copper sulphate to help prevent and treat fungus. Another large application of copper sulphate is in mining industries where it is used in the flotation process mainly in lead, zinc and gold mines. In metals industry, copper sulphate can be used in copper plating

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  • 5 Types Of Gold Flotation Reagent - Mining-pedia
    5 Types Of Gold Flotation Reagent - Mining-pedia

    Mar 05, 2021 Gold flotation reagents can be divided into 5 types: collectors, foaming agents, inhibitors, activators, and pH regulators. Flotation reagent is one of the key factors affecting the flotation of gold ore. It can adjust the surface properties of gold ore during the flotation process, and improve the flotation speed and selectivity. This article will briefly introduce the working

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  • Copper And Gold Mine Collector Yx093 A/b Fro Mineral
    Copper And Gold Mine Collector Yx093 A/b Fro Mineral

    High-quality ore flotation supplier, YX specialized in Copper and Gold Mine Collector YX093 A/B fro Mineral Processing, dithiophosphate collector, Get an offer!

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  • Flotation Reagents’ Types and Working Principles | CNFREE
    Flotation Reagents’ Types and Working Principles | CNFREE

    Mar 15, 2019 Among the flotation reagents, commonly used activators for flotation are sulfuric acid, sulfurous acid, sodium sulfide, copper sulfate and so on. Inhibitors: It is a kind of reagents mainly used to increase the hydrophilicity of minerals and to form a hydrophilic film on the surface of the ore particles in flotation process

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  • The Complete Collection of Copper Beneficiation Reagents
    The Complete Collection of Copper Beneficiation Reagents

    Jul 12, 2021 Copper and sulfur in copper ore have strong collection properties, which is also conducive to improving the recovery of associated gold in copper sulphide ores. The flotation effect of refractory copper-sulfur ore containing secondary copper minerals is better than that with butyl xanthate, but its selectivity is worse

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  • Copper-Zinc ores - Danafloat
    Copper-Zinc ores - Danafloat

    Sphalerite is depressed with zinc sulphate addition to the grind with sodium sulphide as an option for enhancing pyrite depression. Copper is floated in the first differential flotation stage at a 10-11 pH with lime. Xanthate, dithiophosphate and thionocarbamate collectors are used as explained much more extensively in the copper flotation section

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  • copper sulfate manufacturing process
    copper sulfate manufacturing process

    copper sulphate manufacturing process. Copper SulphateManufacturing Plant Detailed Project Report Profile Business Plan Industry Trends Market Research Survey Manufacturing Process Machinery Raw Materials Feasibility Study Investment Opportunities Cost And Revenue Plant Layout Copper (II) Sulfate is a chemical compound with the formula CuSO4

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  • Copper Sulfate as Flotation Activator ... - 911 Metallurgist
    Copper Sulfate as Flotation Activator ... - 911 Metallurgist

    Copper Sulfate as Flotation' Activator for Sphalerite BY 0. C. RALSTON,* C. R. KING* AND F. X. TARTAHON,* CLARKDALE, ARJZ. (San Francisco Meeting, October, 1029) THE use of copper sulfate for improving the flotation behavior of sphalerite is probably at lcast 15 years old. The original discovery of its activating influence is somewhat obscure

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  • Gold Flotation - Mineral Processing & Metallurgy
    Gold Flotation - Mineral Processing & Metallurgy

    Jul 13, 2016 Copper sulphate is frequently helpful in accelerating the flotation of pyrite and arsenopyrite. In rare instances sulphuric acid may be necessary, but the use of it is limited to ores containing no lime. “Ammo-phos,” a crude monoammonium phosphate, is sometimes used in the flotation of oxidized gold ores

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  • Optimisation of gold recovery by selective gold
    Optimisation of gold recovery by selective gold

    Feb 01, 2001 Activators The use of copper sulphate as an activator for the surface of pyrite is common. In early studies copper sulphate was also considered to be an activator of the gold surface (Leaver and Woolf, 1934). However, more recent studies have shown it not to affect the floatability of gold using xanthate at a pH of 11.3 (Duchen and Carter, 1986)

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  • Copper Sulfide Flotation - Mineral Processing &
    Copper Sulfide Flotation - Mineral Processing &

    Apr 13, 2016 Flowsheet for treatment of Copper Sulfide ores rich in minerals such as chalcopyrite with gold and silver as well as arsenopyrite The above flowsheet is designed for the treatment by flotation of copper as chalcopyrite with gold and silver values. The ore, ranging from 60-65% silica, with pyrite, arsenopyrite, and calcite with 3 to 4% copper

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  • Effect of Copper Sulfate on Zinc Sphalerite Flotation
    Effect of Copper Sulfate on Zinc Sphalerite Flotation

    Oct 02, 2016 Copper sulfate, when used as an activator in flotation of sphalerite, forms an invisible but physically detectable film of cupric sulfide on the surface of the sphalerite particles, as evidenced by increased electric conductivity, by chemical metathesis, and by the ability to deactivate with solutions of alkali cyanides, which are known as solvents of copper sulfides

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  • Optimization and mechanism of gold-bearing sulfide
    Optimization and mechanism of gold-bearing sulfide

    Jun 05, 2014 Table 2 shows that the gold concentrate with the grade of 25.14 g ton −1 and the recovery of 86.94 % is obtained through direct fine grinding flotation process, one rougher, three cleaners, and four scavengers under the condition of the grinding fineness of 0.074 mm (96 %)

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  • Silver Gold Recovery Flotation Process
    Silver Gold Recovery Flotation Process

    Oct 17, 2016 Whichever reagent is used, it is better to introduce it into the cleaning circuit if possible, because any excess entering the machine through occasional faulty control is likely to cause a lower gold loss there than in the roughing circuit. The addition of copper sulphate up to 0.25 lb. per ton is sometimes found useful in speeding up flotation

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  • floatation equipment for copper mining processing plant
    floatation equipment for copper mining processing plant

    Copper Flotation Machine, Gold Mining Equipment, Flotation Separator Plant manufacturer / supplier in China, offering Copper Ore Processing Plant-Flotation Machine, Crushing Machinery, Stone Crusher with 20-500tph, Wholesale Rock Hammer

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  • Flotation of Gold and Gold-Bearing Ores
    Flotation of Gold and Gold-Bearing Ores

    Jan 01, 2016 It is widely accepted that the main purpose of copper sulfate in the flotation of sulfide gold carriers is to enhance the flotation of the sulfides and, in particular, pyrrhotite (Mitrofanov and Kushnikova, 1959), arsenopyrite (Gegg, 1949, O'Connor et al., 1990), and pyrite (Bushell and Krauss, 1962). The sequence of copper sulfate addition (before or after the

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  • Flotation of Gold and Gold-Bearing Ores - ResearchGate
    Flotation of Gold and Gold-Bearing Ores - ResearchGate

    The copper sulphate (CuSO4) is widely used as an activator in the gold flotation, but, its role is still not entirely clear (9, 41). Too high an addition of copper sulfate is known to have

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  • Mineralogy and Pretreatment of a Refractory Gold
    Mineralogy and Pretreatment of a Refractory Gold

    Jul 01, 2019 Copper sulphate can activate pyrite and arsenopyrite to promote gold recovery in the flotation process. The results of the investigation on the effect of the dosage of CuSO 4 on the recovery of gold are shown in Figure 11C

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  • Barrick Gold Corporation - New Technology Uses Salt Or
    Barrick Gold Corporation - New Technology Uses Salt Or

    Sep 29, 2016 Patented process in use at Saudi Arabia mine and in Chile Flotation froth of copper concentrate during laboratory testing in Santiago, Chile Barrick has developed and patented a new flotation process that can produce copper concentrates from copper or copper-gold ores using salt or brackish water. The new process, an air-metabisulfite treatment, does

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  • Froth Flotation Method - JXSC Machine
    Froth Flotation Method - JXSC Machine

    Dec 20, 2018 Gold flotation. The Froth Flotation Method is means separating minerals according to their different physical and chemical properties. According to classification, the flotability of gold and silver minerals is included in the first category of natural and non-ferrous heavy metal sulfides, characterized by low surface wettability and easy flotation, which can

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  • Mining Reagents - Orica
    Mining Reagents - Orica

    Sodium Metabisulphite (SMBS) Cyanide detoxification in gold mining Sulphuric Acid Lixiviant for uranium and nickel. Cyanide destruction in gold mining Zinc Powder Gold extraction via Merrill‑Crowe precipitation of gold cyanide solution Flotation Copper Sulphate Pentahydrate Activator for sphalerite (ZnS), pyrite (FeS2) in base metal ores

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  • Critical importance of pH and collector type on the
    Critical importance of pH and collector type on the

    Feb 04, 2021 In the zinc flotation experiments, after pH adjustment, conditioning was performed by adding copper sulphate as sphalerite activator (250 g/ton for 2 min), PAX (50 g/ton) or Aero 3477 (20 g/ton

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  • Characterisation of sphalerite and pyrite surfaces
    Characterisation of sphalerite and pyrite surfaces

    Adsorption of copper sulphate onto the sphalerite and pyrite surfaces during the selective flotation is not fully understood. In this paper, this phenomenon is investigated by Cryogenic X

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  • south african copper oxide flotation plants
    south african copper oxide flotation plants

    The technology can differentiate between different mineral versions of the ore eg copper oxide and copper sulphide. Flotation plants for the measurement of froth slurries In flotation plants, the final product must conform to the required grade specification, and at the same time, a satisfactory recovery must be maintained

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  • CHAPTER 8
    CHAPTER 8

    Copper sulphate 0.00 0.00 0.0000 Gold Lead nitrate 0.57 59.54 0.9990 Copper sulphate 0.00 0.00 0.0000 Flotation time (min) 0 1 2 4 8 20 Sulphur Recovery (%) 0 10 20 30 40 50 60 70 Flotation time (min) 0 1 2 4 8 20 Uranium Recovery (%) 0 5 10 15 20 25 Flotation time (min) 0 1 2 4 8 20 Gold Recovery (%) 0 10 20 30 40

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