flotation of talc on copper ore
Behavior of talc and mica in copper ore flotation ...
2018-8-1 · Talc is a naturally hydrophobic mineral, and therefore it is easily floatable. There have been many studies to overcome this problem, and depress talc with various reagents. In this study the flotation of a copper ore in the presence of talc and muscovite was studied. It was found that talc can affect copper flotation mainly via froth phase.
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Behavior of talc and mica in copper ore flotation ...
In this study the flotation of a copper ore in the presence of talc and muscovite was studied. It was found that talc can affect copper flotation mainly via froth phase. The copper grade and ...
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The effect of a novel depressant on the separation of talc ...
2021-11-30 · The effect of the depressant glucomannan (KGM) on the depression of talc and the flotation of a nickel–copper sulfide ore have been investigated through
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THE FLOTATION OF HIGH TALC-CONTAINING ORE
2014-12-10 · The Mimosa ore is characterised by an unusually large amount of talc, which often causes problems during the flotation of the PGM minerals due to the fact that talc consumes high amount of reagents. Therefore the purpose of the second part of this thesis was to investigate the possibility of removing talc prior to the flotation process
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The effect of a new polysaccharide on the depression of ...
The presence of hydrophobic gangue represents a primary problem in flotation of both copper and copper-nickel sulphide ore. Being naturally hydrophobic, in copper sulphide processing, talc is ...
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The effect of a new polysaccharide on the depression of ...
2015-6-1 · The low-grade Ni/Cu sulfide ore (containing talc) for batch flotation and industrial flotation tests was also from the Danba Nickel–copper Mine. The multi-elemental chemical analysis of the ore was conducted by Atomic Adsorption Spectroscopy (AAS) and Inductively Coupled Plasma Optical Emission Spectrometer (ICP-OES), and the analysis results ...
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The effect of depressant sesbania gum on the flotation of ...
2019-1-1 · In this study, the sample used is a special scheelite ore which contains talc. There is rare study about flotation of talc-containing tungsten minerals. The Lei yang tungsten mine is located in Hunan Province, China. The tungsten minerals contain 1.52% WO 3, 25.01% MgO, 16.85% CaO, 11.02% Al 2 O 3, and 45.67% SiO 2. The ores are mainly composed ...
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Seperation Of Impurities From Talc Ore By Flotation And ...
2021-7-13 · Seperation Of Impurities From Talc Ore By Flotation And Dissolution J.Mohan Kumar, G.Bhaskar Raju National Metallurgical Laboratory Madras Centre CSIR Madras Complex, Taramani, Chennai-600113 Abstract: Talc is a main raw material for talcum powder and an important ingredient in ceramics, paint, paper, plastics, rubber and insecticides.
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The Effect of Oxidation on the Flotation Behaviour of ...
2016-6-14 · In this paper, the flotation behaviour of nickel-copper ores processed in the Sudbury area is discusse~ with emphasis on the effect of oxidation on individual minerals, pnmarily pyrrhOlite. In general, moderate oxidation of a freshly ground ore promotes the flotability of all principal sulphides in the ore leading to a bulk flotation concentrate.
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(PDF) A Review of the Flotation of Copper Minerals
2022-2-8 · ore or when the copper flotation is carried out at lower pH [7]. Another important parameter whic h has a remarkable effect on the flotation of sulphide minerals is pH. It is .
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Behavior of talc and mica in copper ore flotation - CORE
Talc is a naturally hydrophobic mineral, and therefore it is easily floatable. There have been many studies to overcome this problem, and depress talc with various reagents. In this study the flotation of a copper ore in the presence of talc and muscovite was studied. It was found that talc can affect copper flotation mainly via froth phase.
Read More
Seperation Of Impurities From Talc Ore By Flotation And ...
2021-7-13 · Seperation Of Impurities From Talc Ore By Flotation And Dissolution J.Mohan Kumar, G.Bhaskar Raju National Metallurgical Laboratory Madras Centre CSIR Madras Complex, Taramani, Chennai-600113 Abstract: Talc is a main raw material for talcum powder and an important ingredient in ceramics, paint, paper, plastics, rubber and insecticides.
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Mineralogical and Metallurgical Examination of ...
2016-1-4 · chlorite and talc. However, the impact of fluorine on copper sulphide ore processing was relatively unknown until the late-1980s when the Ok Tedi copper mine was faced with the possibility of rejection of high fluorine - bearing copper concentrate by Japanese smelters. As a result, Ok Tedi staff began studies aimed at
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Laboratory Flotation Characterisation of a Uranium ...
2016-8-11 · association with copper bearing sulphides (poor liberation). No naturally hydrophobic minerals such as talc, kerogen, etc were identified in the ore mineralogy to trigger any other flotation mechanisms of uranium. Entrainment appeared significant particularly in soft and lower grade ores. . (Abstract)
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Copper-Zinc ores - Danafloat
although as always, circuit and ore conditions impact specific reagent selection. If the talc levels are sufficiently high and negatively impact metallurgy, talc depressants can be used in both the copper and zinc flotation circuits. These depressants include carboxymethyl, cellulose, dextrin, guar gum, and starch. Talc flotation interference ...
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Beneficiation of Talc Ore - IntechOpen
2018-9-25 · was around 74% from a crude ore containing 67% talc chlorite and 33% carbonates. This product may be sent to flotation for further removal of carbonates and separation of talc from chlorite. Yousef (2003) used attritioning scrubber as a pr econcentrator for talc of El Allaqi locality.
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(PDF) A Review of the Flotation of Copper Minerals
2022-2-8 · ore or when the copper flotation is carried out at lower pH [7]. Another important parameter whic h has a remarkable effect on the flotation of sulphide minerals is pH. It is .
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The Effect of Oxidation on the Flotation Behaviour of ...
2016-6-14 · In this paper, the flotation behaviour of nickel-copper ores processed in the Sudbury area is discusse~ with emphasis on the effect of oxidation on individual minerals, pnmarily pyrrhOlite. In general, moderate oxidation of a freshly ground ore promotes the flotability of all principal sulphides in the ore leading to a bulk flotation concentrate.
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(PDF) The effect of crystallochemical peculiarities of ...
Flotation kinetics of pentlandite and violarite contained in copper–nickel ores and the effect of crystallochemical peculiarities of the minerals on their flotation features are studied.
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The effect of a novel depressant on the separation of talc ...
2019-1-21 · talc effectively, and the depressing performance of SAG was compared with guar gum and carboxymethyl cellulose (CMC) in the flotation of copper–nickel minerals from a low-grade Cu/Ni sulfide ore which contains talc, in the Tianlong Copper–nickel Mine.
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Flotation Separation of Chalcopyrite and Talc Using ...
The use of copper, a key metal in the green energy transition, is expected to rise as long as the demand for electric cars, solar, and wind power continues to rise [].At present, copper is generally obtained by flotation of copper sulfide [].Talc (Mg 3 Si 4 O 10 (OH) 2) is a widely distributed layered silicate mineral with ionic bonds in the layers and molecular bonds between the layers
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Flotation of Copper Ores - 911 Metallurgist
2016-2-11 · The first pneumatic-flotation plant in this country was erected by me in February 1914 for the National Copper Company at Mullan, Idaho, a description of which has already been published. The results were fully up to
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(PDF) The Art of Talc Flotation for Different
2022-1-18 · Talc-magnesite ore from Hnúšt'a-Mútnik deposit in Slovakia was studied for the possibility of talc benefication using collectorless flotation. Ore samples were subjected to contact angle ...
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Copper-Zinc ores - Danafloat
although as always, circuit and ore conditions impact specific reagent selection. If the talc levels are sufficiently high and negatively impact metallurgy, talc depressants can be used in both the copper and zinc flotation circuits. These depressants include carboxymethyl, cellulose, dextrin, guar gum, and starch. Talc flotation interference ...
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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.
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Laboratory Flotation Characterisation of a Uranium ...
2016-8-11 · association with copper bearing sulphides (poor liberation). No naturally hydrophobic minerals such as talc, kerogen, etc were identified in the ore mineralogy to trigger any other flotation mechanisms of uranium. Entrainment appeared significant particularly in soft and lower grade ores. . (Abstract)
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Experimental Study on Improving Grade of Talc
The experimental sample consists of talc, magnesite and a little quartz, the grade of talc is 80%. By the floatation flowsheet of rougher and two times cleaner, and middling after regrinding return to rougher, the high grade talc concentrate can
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Mineralogical and Metallurgical Examination of ...
2016-1-4 · Mineralogical and Metallurgical Examination of Fluorosilicate Mineral Flotation in the Ok Tedi Circuit L S Pang urn 1, D W Lauder2, E V Manlapig 1, I R Mackinnon3 and J W Glatthaar4 ABSTRACT The Ok Tedi copper orebody consists of porphyry and skarn orebodies.
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Flotation of oxide copper ore with sodium oleate from
2020-5-12 · Oxide copper ore flotation with 800 g/ton sodium oleate at pH 9 yielded 14.4% Cu with 83.3% recovery in a rougher circuit. To enhance the flotation performance, in terms of %Cu, optimum dosages of sodium silicate, quebracho, and pine oil were examined. At the optimum dosages, the grade increased to 20.1% Cu with 76.4% recovery.
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The Effect of Oxidation on the Flotation Behaviour of ...
2016-6-14 · In this paper, the flotation behaviour of nickel-copper ores processed in the Sudbury area is discusse~ with emphasis on the effect of oxidation on individual minerals, pnmarily pyrrhOlite. In general, moderate oxidation of a freshly ground ore promotes the flotability of all principal sulphides in the ore leading to a bulk flotation concentrate.
Read More