equation for copper extraction from its sulphide ore

  • Sulfide Mining Overview

    Technical Document: Extraction and Beneficiation of Ore and Minerals, Volume 4: Copper. US Environmental Protection Agency, Office of Solid Waste. Washington D.C. 20 Extraction and Beneficiation or Ore and Minerals, Volume 4: Copper. US Environmental Protection Agency, Office of Solid Waste, 2004. 21 Extraction and Beneficiation or Ore and ...

  • In the extraction of copper from its sulphide ore, the ...

    In the extraction of copper from its sulphide ore, the metal finally obtained by the reduction of cuprous oxide with ... Hence, we can easily calculate concentration of B after 20 min by the following formula, x = Kt x = Kt = 0.6 x 10-3 x 20 x 60 = 0.72 M. 3310 Views. Answer. 27.

  • copper ore extraction machine for sale

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  • extraction of copper from its ores

    On industrial scale copper is extracted from its sulphide ore known as copper pyrite (CuFeS 2) by smelting method. Copper mining. From ore to copper. no waste gases are given off it can be used on ores with as little as 0.1% copper - for this reason, leaching extraction is growing in importance.

  • 9.2.

    The oxide and carbonate ores are smelted by very similar reactions, as shown in Equation 9-1 arcoal combines with the oxygen in the ore, escaping as carbon dioxide (the bejeezus), and leaving the molten metal behind.Mercury and tin are smelted at modest temperatures, lead at higher temperatures, copper and silver at still higher temperatures, and iron at the highest temperature.

  • Sulfide Ores

    If sulfide ores containing iron and copper are to be smelted, an understanding of both the iron and the copper systems is needed. Again, as in Figure 2.1.3 for the Cu–S–O system, the calculations are limited to oxidation by industrial oxygen so that the pressure of SO 2 will be about 1 atm., except where oxygen pressure is appreciable near ...

  • extraction of copper from sulfide ore 」

    extraction of copper from sulfide ore_Copper Mining and Extraction Sulfide OresThe smelter for sulfide ores produces sulfur dioxide gas. This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide ores

  • How is copper extracted from its Sulphide ore ? Explain ...

    How is Copper Extracted from Its Sulphide Ore (Copper Glance), Cu2s ...

  • Extracting iron and copper

    than carbon, it can be extracted from its compounds by heating with carbon. Copper is an example of this. Copper mostly occurs as sulfide ores, which are heated in air to convert them to copper(II ...

  • Recovery of Copper from Copper Sulfide Concentrate by ...

    Y. M. Zhao et al. 12 However, when 1% Na 2SO 3 was added, the copper extraction wasn''t down until 650 ˚C. This indicated that Na 2SO 3 can improve the degree of sulfating at high temperature. One possible reason is that the addition of Na 2SO 3 could prevent the decomposition of copper sulfate. Another possible reason is the exist of some com-

  • 「process of exctracting copper from its ore」

    29, 2018 · In the extraction of copper from its Sulphide Ore, when ore is subjected to roasting some of it is oxidised to Cu 2 O which reacts with the remaining Cu 2 S to give copper metal. In this process, Cu 2 S behaves as reducing agent. 2Cu 2 S+3O 2 +heat2Cu 2 O(s)+2SO 2 …

  • How is copper extracted from its sulphide ore? Explain the ...

    Then electrolytic refining of copper is carried out to remove the rest of the impurities present in the ore. The impure copper is made anode and strip of pure copper are made cathode. On passing the current as shown in the diagram, the pure copper from the anode dissolves into an electrolyte. An equivalent amount of copper is deposited on the ...

  • Extraction of Copper from Oxidised Copper Ore | Essay ...

    Copper Extraction from Sulfide Ores - Latest Contents. OF COPPER 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 …

  • v116n6a5 Optimization of circuits for pressure leaching of ...

    Optimization of circuits for pressure leaching of sulphide ores and concentrates described by Rubisov and Papangelakis (1997) as a ''particle-counting'' technique. The population balance equation is given in Equation [6]: [6] where n in and n out are the particle size density functions of the inlet and outlet, respectively, on a number basis ...

  • In the extraction of copper from its sulphide ore, the ...

     · Extraction of copper directly from sulphide ore is less favourable than from its oxide through reduction. Explain. asked Dec 18, 2017 in Chemistry by sforrest072 ( 128k points)

  • Metals Extraction from Sulfide Ores with Microorganisms ...

     · The same is done by heterotrophic microorganisms in non-sulfide ores. Additionally, for gold and copper extractions, bioleaching is used to extract cobalt, zinc, nickel, and uranium from low-grade ores and industrial effluents. In this review, the fundamental process of bioleaching from low-grade metal sulfide ores are discussed with emphasis ...

  • Copper Mining and Production Processes Explained

    Copper ores. An ore is a rock containing enough valuable mineral to make it worth extracting. In the case of copper, it is worth extracting when there is about 2 kg of copper per 1,000 kg of ore (0.2%). Copper minerals are found in over one hundred varieties, although only a few have been worked for copper on a large scale.

  • Bioleaching

    Bioleaching is the extraction of metals from their ores through the use of living organisms.This is much cleaner than the traditional heap leaching using cyanide. Bioleaching is one of several applications within biohydrometallurgy and several methods are used to recover copper, zinc, lead, arsenic, antimony, nickel, molybdenum, gold, silver, and cobalt

  • US3933475A

    Copper is recovered from its sulfidic ores by a process wherein the ore is mixed and fused with at least a stoichiometric amount of a sulfide of sodium or potassium which may be prepared in situ by reacting sulfur with potassium or sodium hydroxide. The mixture is heated under vacuum in the absence of water, oxygen and CO 2 to a temperature above the melting point of the selected potassium or ...

  • Copper extraction

     · All copper sulfide ores are concentrated using the froth flotation process. Ground ore is mixed with xanthate reagents (for example, pine oil), which reacts with the copper sulfide mineral to make it hydrophobic on its surface. The sulfide ore is crushed and ground to increase the surface area of the ore for subsequent processing.

  • Innovations: Introduction to Copper: Mining & Extraction

    The barren rock, or gangue has to be separated from the sulfide minerals in order to smelt the metallic copper from the ore. By far the greatest proportion of copper is extracted from the sulfides of copper, iron and sometimes other metals. Such ores originate from sulfur-bearing volcanic magmas, which have separated into metal sulfides and siliceous melts.

  • The Complete Collection of Copper Beneficiation Reagents ...

     · 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.

  • how is copper obtained from its sulphide Ore give equation ...

     · How is copper obtained from its sulphide Ore give equation of the reaction 2 See answers aqibkincsem aqibkincsem When sulfide ore is heated in the presence of air, it converts sulfide ore into copper oxide, and it leaves SO2. Again when the copper oxide is heated, it gets reduced to copper. Finally, pure copper will be obtained by the ...

  • Copper extraction

    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.. As in all mining operations, the ore must usually be beneficiated (concentrated).

  • Three Steps Involved In The Extraction Of Metals From ...

    Copper can be extracted from non-sulfide ores by a different process involving three separate stages reaction of the ore over quite a long time and on a huge scale with a dilute acid such as dilute sulfuric acid to produce a very dilute copperii sulfate solutiononcentration of the copperii sulfate solution by solvent extraction.

  • (PDF) LEACHING OF A ROASTED COPPER SULFIDE ORE | …

    LEACHING OF A ROASTED COPPER SULFIDE ORE Rosselle Kim P. Castillano, Wilfredo T. Gatdula Jr., Gin Derick L. Magno, Jhunalyn H. Parantar METE 157N: HYDROMETALLURGY LABORTORY ABSTRACT Sulphide ores of copper are insoluble in dilute sulphuric acid leaching solutions, but a very high extraction can be obtained if the copper ore is in the oxidized condition.

  • How is copper obtained from its sulphide ore? What is the ...

    Hari om, you are asking a question as to : " How is copper obtained from its sulphide ore? What is the equation of this reaction?". Hari om. Hari om. ANSWER :[ Excerpts] COPPER MINING AND EXTRACTION: SULFIDE ORES : It''s hard to imagine a world wit...

  • The Extraction of Copper

     · Extracting copper from its ores. The method used to extract copper from its ores depends on the nature of the ore. Sulfide ores such as chalcopyrite ((CuFeS_2)) are converted to copper by a different method from silicate, carbonate or sulfate ores. Chalcopyrite (also known as copper pyrites) and similar sulfide ores are the commonest ores of ...

  • Science Question World : Class X Solution of METAL AND ...

     · Zn is the metal that lies in the middle of the activity series, these metals are extracted from its sulfide ore. Outline the steps involved in the process of extraction of zinc metal with the help of a balanced chemical equation for each staple.

  • Copper recovery using leach/solvent extraction ...

    leaching of high-grade copper oxide ore followed by EW of copper from the leach solution, produced low quality copper cathode at relatively high cost. In 1968 the tonnage of high-grade oxide ores was decreasing and vat leaching was on the decline. The second process, heap and dump leaching of low-grade oxide and/or sulphide ore followed by ...

  • Sulphide Gold Ore Treatment by Leaching and Flotation Process

     · Problem with gold recovery from sulphide ore: How may a mill get the maximum recovery of gold from a sulphide ore, at the least capital cost and at the same time obtain the highest net return.This latter point is most important. In many cases a gold mill using an all-cyanide flowsheet with fine grinding of all the ore will report very low gold content in the tailings particularly on an ...

  • Copper Sulfide Ore

    Copper Sulfide Ore. About 80% of the world''s copper-from-ore originates in Cu-Fe-S ores, such as chalcopyrite (CuFeS2) and chalcocite (Cu2S). The concentration of these minerals in an ore body is low. Typical copper ores contain from 0.5% Cu (open pit mines) to 1 or 2% Cu (underground mines). Cu-Fe-S minerals are not easily dissolved by ...

  • Can copper be extracted from its sulfide ore by roasting ...

    Your first equation is partially correct, there is a slight mistake. Copper is found in the +1 oxidation state or cuprous form in its ores, so the sulfide ore of copper known as copper glance has molecular formula of cuprous sulphide(Cu2S) . Bec...

  • How is Copper Extracted from Its Sulphide Ore (Copper ...

    The sulphide ore of copper is copper glance. The compound present in the ore is copper (I) sulphide. Its formula is Cu 2 S. Copper is a less reactive metal; therefore, it is placed at the bottom in the reactivity series. Copper is extracted by heating its sulphide ore alone.