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ironpyrite copper sulphide floatation

ironpyrite copper sulphide floatation

  • WO2015095054A3 Process for flotation leaching copper

    A method [100] of leaching a metal sulfide ore is disclosed. The method [100] may comprise the steps of providing slurry [3] having metal sulfide ore particles therein; subjecting the slurry [3] to a flotation step [2] at a pH level above nine to obtain a first concentrate [15]; subjecting the first concentrate [15] to an acidic leach solution [27]; subjecting the first concentrate [15] to a

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  • Flotation of copper sulfide minerals and pyrite with new

    In the development of novel sulfide collectors, especially for the low lime and acid circuits, flotation of chalcopyrite, chalcocite, covellite and pyrite was studied with both new and commercially available S containing collectors. The natural float ability of sulfides, water quality, and redox potentials all of which were considered im portant in assessing collector strength

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  • Copper Sulphide Ore Reagents For Copper Flotation

    A New Reagent For Selective Flotation Of Copper Sulphides. After two minutes flotation a copper grade of 5.2 per cent with 52 per cent recovery could be attained, against a grade of 2.5 per cent and a recovery of 44 per cent in the case of kax.the efficiency of this new collector has been ascertained on two samples of complex sulphide ores of.

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  • Flotation experiment research on a polymetallic sulfide ore of

    The flotation of the polymetallic sulfide ore of copper, lead, and zinc is generally suitable at alkaline pH conditions. Lime and soda are common agents used in adjusting the pH of the slurry. These agents were used and the effects of

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  • FROTH FLOTATION RECENT TRENDS Flotation of Sulphide

    History of Sulphide ore flotation dates back to beginning of 20th century. Sulphide ores are major sources of base metals like Copper, Lead, Zinc, Nickel, Cobalt etc. Beneficiation of these base metal sulphide minerals is predominating through froth flotation technique. This technology has acclaimed importance as a versatile process for

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  • Pyrite Depression In Copper Flotation

    Depression of pyrite in porphyry copper flotation. 2014 12 18 Pyrite in the feed was Cu activated , and adsorbed xanthate even at high pH (gt;10.5), becoming highly floatable Limited pyrite depression was achieved by increasing the pH with lime Na 2SO 3and DETA were effective in preventing/reversing the activation of pyrite in the presence of O2, reducing pyrite recovery by 50%.

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  • Copper Sulphide Ore Flotation Process Xinhai

    The common collecting agent used for copper sulfide ore flotation process is xanthate collectors, followed by aerofloat and its esters. Actually, The collecting effect is much better if aerofloat esters mix with other agents. The xanthate collectors used in copper sulphide ore flotation process are sodium ethylxanthate, SIPX and Sodium n

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  • Copper sulfide

    Copper sulfides describe a family of chemical compounds and minerals with the formula Cu x S y.Both minerals and synthetic materials comprise these compounds. Some copper sulfides are economically important ores Prominent copper sulfide minerals include Cu 2 S and CuS ().In the mining industry, the minerals bornite or chalcopyrite, which consist of mixed copper iron sulfides, are often

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

    Copper is most commonly present in the earths crust as copper iron sulphide and copper sulphide minerals, for example, chalcopyrite (CuFeS2), bornite (Cu5FeS4) and chalcocite (Cu2S).

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  • Copper Sulfide Flotation

    Copper Sulfide Flotation Circuit Beneficiation of Copper Sulfide by Flotation Copper, due to the present world demand and price, is of foremost interest to the mining industry. Many new properties are either in the process of being brought into production or are

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  • (PDF) Flotation of an Oxidized Copper Sulfide Ore

    Dec 30, 20170183;32;Kansanshi copper mine is situated in the north western province of Zambia. As a result of the mineral variations, the processing plant treats three distinct ore types, viz. oxide, sulphide and mixed.

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  • Copper Ore Types Sulfides vs. Oxides An Investor's

    Copper containing rock, or copper ore, holds only a small percentage of copper.Most of the rock is unwanted material, typically referred to as gangue. There are two main types of copper ore of

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  • Mining Industry Copper Sulfide Ore and Flotation Process

    The floatability of common copper sulfide minerals is reduced in the following order chalcopyrite gt; covellite gt; bornite gt; chalcopyrite. (4) The floatability of copper sulfide minerals is also affected by factors such as crystal grain size, grain size, etc. fine grain is not easy to float.

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  • Use of xanthogen formates as collectors in the flotation

    Miduk has sulfide copper mine and produces copper concentrate with an alloy of more than 30 percent. Flotation tests have been conducted using Sodium isobutyl ditiophosphate collectors (A3477) and

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  • Copper Extraction from Sulfide Ores Latest Contents

    This process is used for the extraction of copper from low grade sulfide ore. In this process, the crushed and ground ore in bulk (about 100,000 tons) is exposed to air and water in big tanks. The air in the presence of water gradually oxidizes copper and iron sulphides to their surphides.

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  • Chalcopyrite

    On exposure to air, chalcopyrite tarnishes to a variety of oxides, hydroxides, and sulfates. Associated copper minerals include the sulfides bornite (Cu 5 FeS 4), chalcocite (Cu 2 S), covellite (CuS), digenite (Cu 9 S 5); carbonates such as malachite and azurite, and rarely oxides such as cuprite (Cu 2 O). Is rarely found in association with native copper. Chalcopyrite is a conductor of electricity.

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  • The role of sodium sulfide in the flotation of pyrite

    In copper gold flotation plants, pyrite which is depressed in copper flotation is often floated subsequently with the addition of sodium sulfide (Na 2 S) to recover the associated gold. For the first time, this study investigated the role of Na 2 S responsible for the flotation of pyrite depressed in chalcopyrite flotation through flotation tests and Cyro XPS (X ray photoelectron spectroscopy

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  • iron sulfide crusher flotation

    Sulfide Ore Know More. If sulfide ores containing iron and copper are to be smelted, an understanding of Microbially induced flotation and flocculation can be used to remove pyrite from This is done by crushing and grinding the ores to liberate the nickel and

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  • APPLICATION OF MODIFIED NANOFIBRILLATED CELLULOSE

    While copper (chalcopyrite) is the element to concentrate, zinc (sphalerite), arsenic (arsenopyrite) and iron (pyrite) are the main elements which its flotation should be depressed in order to avoid smelter penalties. Table 1. Panasqueira and Neves Corvo sulphide ore

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  • CHAPTER 7 FLOTATION OF SULPHIDE MINERALS

    xanthate are involved in chalcopyrite flotation, it would be expected that chalcopyrite is as sensitive to cyanide additions as pyrite is. 3. Sulphide as depressant Very stable cupric sulphide (CuS) will occur due to chemisorption of sulphide ions. Oxidation potential of the solution will be lowered when sulphide

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  • A study on selective flotation in low and high pyritic

    (2016). A study on selective flotation in low and high pyritic copper sulphide ores. Separation Science and Technology Vol. 51, No. 13, pp. 2214 2224.

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  • The depression of pyrite in selective flotation by

    1. Introduction. Pyrite (FeS 2, iron disulfide), is the most abundant sulfide mineral and commonly associated with valuable minerals such as sphalerite, chalcopyrite, galena, gold as well as coal (Wang and Forssberg, 1991, Wang, 1995, Dimitrijevic et al., 1996, Jiang et al., 1998).Pyrite has very low economic significance and is usually removed from the valuable components by flotation and

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  • Leaching of Copper Sulphides SAIMM

    copper sulphide leaching options as alternatives to the more conventional pyrometallurgical processing route of copper sulphides. Three copper sulphide leaching and refining processes are discussed total pressure oxidation, ferric sulphate leaching and copper chloride leaching. The effect of mineralogy

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  • Copper ore flotation process YouTube

    The flotation machine is used for the separation of the nonferrous black metal as well as the separation of the non metallic materials such as the coal fluor

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  • Copper sulfide

    Copper sulfides describe a family of chemical compounds and minerals with the formula Cu x S y.Both minerals and synthetic materials comprise these compounds. Some copper sulfides are economically important ores Prominent copper sulfide minerals include Cu 2 S and CuS ().In the mining industry, the minerals bornite or chalcopyrite, which consist of mixed copper iron sulfides, are often

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  • Alicanto intersects visible copper sulphide at Green Mile

    Special Report Alicantos drilling at the Greater Falun project in Sweden is off to a strong start with visual disseminated sulphides observed at the Green Mile prospect. The intersection of sulphides including chalcopyrite and pyrite that are commonly associated with copper and gold is significant as Green Mile is within the 10km belt that stretches from the historical Falun copper

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  • Flotation of Copper Sulfide Ores PDF Free Download

    Flotation of Copper Sulfide Ores Table 12.24 Different reagent schemes used in various plants on massive sulfide copper ores Type Ore Description Depressants used Collector type 1 Massive sulfide ore with moderate dissemination, pyrite 7090%, copper 1.63% Primary grind K80 6575 m Regrind K80 3525 m 1. LimeNa2SO3 Xanthate

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  • FROTH FLOTATION RECENT TRENDS Flotation of Sulphide

    History of Sulphide ore flotation dates back to beginning of 20th century. Sulphide ores are major sources of base metals like Copper, Lead, Zinc, Nickel, Cobalt etc. Beneficiation of these base metal sulphide minerals is predominating through froth flotation technique. This technology has acclaimed importance as a versatile process for

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  • Copper Sulfide Flotation

    Copper Sulfide Flotation Circuit Beneficiation of Copper Sulfide by Flotation Copper, due to the present world demand and price, is of foremost interest to the mining industry. Many new properties are either in the process of being brought into production or are

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  • PAPER OPEN ACCESS Influence of dextrin on beneficiation of

    one of the most significant polysaccharides used in polymetallic sulphide ores flotation. In the paper influence of dextrin on flotation of copper, organic carbon and mineral components from rougher concentrate was investigated. It has been shown, that dextrin is a good depressant for

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  • METHOD OF COPPER SULFIDE ORE FLOTATION STEPAN CHEM

    Aug 06, 19740183;32;I claim as my invention 1. A method of mineral flotation comprising the steps of grinding a copper bearing sulphide ore material to release the metal values from a gangue containing iron pyrites, adding water and calcium oxide to adjust the pH to about 7 to 11.5, passing air bubbles through the solution and adding an amount of a flotation promoter comprising R (OCH 2 CH 2)N OSO 3 Na

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  • Depression of iron sulphide flotation in zinc roughers

    Sep 01, 20010183;32;Depression of iron sulphide flotation in zinc roughers 1073 34 60 32 ~ Baseline 30 d 100 g/t Before 50 28 A 100 g/t After d o 300 g/t Before 40 ss 26 0 300 g/t After gt; 24 30 22 oC i~ 20 20 o 18 10 16 quot;r 14 0 20 30 40 50 60 70 80 20 30 40 50 60 70 80 90 Zinc Recovery Fig. 5 Effect of point of PAM H addition, before or after collector

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  • (PDF) Flotation of an Oxidized Copper Sulfide Ore

    Dec 30, 20170183;32;Kansanshi copper mine is situated in the north western province of Zambia. As a result of the mineral variations, the processing plant treats three distinct ore types, viz. oxide, sulphide and mixed.

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  • study problems of pyrite folotation of copper sulphide ore

    Flotation of Nickel Copper Sulphide Ore Optimisation of Process Aug 12, 2014 optimum conditions for the flotation of nickel, copper and cobalt from a The nickel copper sulphide ore used in this study was supplied by Trojan Nickel copper ore by flotation, Physicochemical Problems of Mineral Processing, 42, pp.

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  • Barry Wills' Blog Challenges in copper flotation

    Sep 17, 20110183;32;However many other minerals respond poorly to flotation, and may even impede the flotation of readily floatable minerals, as at Palabora in South Africa, where the ore contains small amounts of valleriite, a copper iron sulphide containing Mg and Al groups in the crystal lattice, and occurring intergrown with other sulphide minerals.

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  • Oxidative weathering of a copper sulphide ore and its

    Dec 01, 20160183;32;In addition to this, the modified flotation rate constants K M were calculated for copper and iron sulphide by multiplying R max and k. The copper/iron sulphide selectivity index (SI Cu/IS) was calculated based on the following Eq. and used for results comparison. (5) SI Cu / IS = K M Cu K M IS. 3. Results 3.1. Analysis of the percolating solution

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  • Flotation experiment research on a polymetallic sulfide ore of

    The flotation of the polymetallic sulfide ore of copper, lead, and zinc is generally suitable at alkaline pH conditions. Lime and soda are common agents used in adjusting the pH of the slurry. These agents were used and the effects of

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  • Safe And Reliable Sulphide Ore Flotation Machine Price

    Stable And Reliable Mining Flotation Machine. Copper Ore Flotation Machine Gold Ore Mining Copper ore mining flotation machine 20 countries around the world with good benefits and stable operation sulphide ore selecting 1018 copper ore with prices reliable hina iron copper ore flotation machine. Read More. Sf iron ore flotation machine

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