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why sulphide ores are concentrated by froth floatation process

  • Froth Floatation Process Fun Science

    Froth Floatation Process This method is used for concentration of sulphide ores of copper, lead and zinc . In this method, powdered ore is put in a tank full of water .

  • What is the role of depressant in froth floatation process?

    In the froth floatation process, the role of the depressants is to separate two sulphide ores by selectively preventing one ore from forming froth.

  • Why is the froth flotation method selected for the ...

    Economically, it makes the most sense to extract the ore that is in the most concentrated form. What are the various methods of concentrating ores? They are Froth floatation, Gravity separation Hydraulic ores and Electrolytic Refining.

  • types of sulphide ore for froth flotation method

    Flotation Chemistry of Complex Sulphide Ores Bergforsk. Froth flotation method is used annually to concentrate more than one ... In froth floatation process, ...

  • Important Questions for CBSE Class 12 Chemistry

    (a) Which of the following ores can be concentrated by froth floatation method and why? Fe 2 O 3, ZnS, Al 2 O 3 (b) What is the role of silica in the metallurgy of Copper? Answer: (a) ZnS can be concentrated by froth floatation process because sulphide ores are preferentially wetted by pine oil, whereas gangue particles are wetted by water.

  • Explain the froth floatation process? askIITians

    This process is called concentration of ore. The principle of froth flotation process is that sulphide ores are preferentially wetted by the pine oil, whereas the gangue particles are wetted by the water. In this process, a suspension of a powdered ore is made with water. In this process, a suspension of a powdered ore is made with water.

  • Manufacturing Process of Copper The Balance

    After crushing the ore to a fine powder, it is then concentrated by froth flotation, which requires mixing the powdered ore with reagents that combine with the copper to make it hydrophobic. The mixture is then bathed in water along with a foaming agent, which encourages frothing.

  • US8088347B2 Process for recovering copper sulphide

    Process for recovering copper sulphide and optionally molybdenum sulphide from a copper bearing ore by froth flotation includes crushing said ore, mixing the obtained ground powder with at least a collector and water, aerating the slurry, and removing and concentrating the mineral froth formed at the surface of the bath, wherein the collector

  • Lead-Zinc ores Danafloat Home

    Flotation separation and recovery of lead and zinc concentrates from ores containing galena (PbS) and sphalerite (ZnS) is well established and generally achieved quite effectively. Silver often provides highly significant economic value, if not the greatest value, with the silver most often associated with the galena mineralization which is

  • Recovery of Gold in Pyritic Sulfide Ores Mine

    First is froth flotation, and second is cyanidation of the ores. Using cyanide to recover gold from sulfide ores generally results in 30 to 35% recovery, and the best I have heard of is around 50% recovery.

  • Froth Flotation Concentrating impress-fp7.eu

    Froth Flotation Concentrating. Why Only Sulphide Ore Is Concentrated By Froth Flotation » why only sulphide ore is concentrated by froth flotation.Metals and non ...

  • types of sulphide ore for froth flotation method

    Jan 17, 2017· Silver Ore, Silver Ore Suppliers and Manufacturers at types of sulphide ore for froth flotation method Sulfide Gold And Silver Ore Platinum Recovery Equipment . SF type gold silver copper ore forth flotation machine for mining ..

  • why only sulphide ore is concentrated by froth flotation

    Why Only Sulphide Ore Is Concentrated By Froth Flotation. Froth flotation Wikipedia, the free encyclopedia The process was not froth flotation but used oil to agglomerate (make balls of) pulverised sulphides and buoy them to the surface, and was patented in 1898 with a descriptionIn the mining industry, the plants where flotation is ...

  • copper nickel sulfide ores flotation machine

    Sep 07, 2016· how copper ore is concentrated by froth flotation process YouTube. ... Flotation of Sulphide Ores HZL Experience century. Sulphide ores are major sources of base metals like Copper,. Lead, Zinc, Nickel, Cobalt etc. Beneficiation of these base metal .. flotation column can replace a bank of mechanical flotation cell.

  • Froth Flotation (Sulphide & Oxide)

    Froth Flotation (Sulphide ... , I want to undergo a flotation test to analyse the impact of froth depth over ... How amenable are oxide ores to flotation process?

  • Sulphide ores are generally concentrated by

    With the help of an example how one can separate two sulphide ores by froth flotation method .

  • Flotation of an Oxidized Copper Sulfide Ore

    the flotation requirement. The sulfide minerals of such ores are readily concentrated by froth flotation, but the oxidized ores are difficult to concentrate by flotation (Holman et al., 1977; Mendiratta, 2000; Drzymala 2007; Cao et al., 2016; Corina et al., 2017; Mao et al., 2014). Sulfidization-flotation is the most commonly used method for the recovery of

  • Rcovery of gold in pyritic ores Mine Engineer.Com

    Recovery of Gold in Pyritic Sulfide Ores . ... In most instances, visible gold can not be seen under microscopic examination of pyrite gold ores. However, if the ore is ground to -200 mesh, most times, a few specs of gold can be visibly seen under microscopic examination. ... First is froth flotation, and second is cyanidation of the ores ...

  • Complex Sulfides Processing of Ores Concentrates and

    Complex Sulfides Processing of Ores Concentrates ... Sulfide from Missouri Lead Ores by Continuous Froth Flotation; ... Smelting Process for Complex Sulphide Ores;

  • Production of Nickel Concentrates from Sulfide Ores ...

    Production of Nickel Concentrates from Sulfide Ores. ... The pentlandite in this ground ore is then concentrated using froth flotation. Do you want to read the rest of this chapter? Request full-text. Citations ... This chapter discusses separation of chalcopyrite from pentlandite by the process of floatation. Nickel sulfide contains both and ...

  • types of sulphide ore for froth flotation method

    Jan 17, 2017· Copper Flotation Separation Ore Froth Refining Machine Heap Leaching Gold Process .. Sulfide ore froth flotation ... concentrated using the froth ...

  • PROCESS FOR RECOVERING COPPER SULPHIDE FROM COPPER

    Jan 27, 2011· Most copper sulphide ores are concentrated using the froth flotation process. Froth flotation is achieved when copper sulphide and optionally molybdenum sulphides particles are separated from other particles based on their surface potential.

  • FROTH FLOTATION : RECENT TRENDS Flotation of

    Flotation of Sulphide Ores HZL Experience ... process. Key Words : Froth flotation, ... Flotation is a method of separating an ore species froth another, ...

  • Which ores are concentrated by froth flotation process?

    Why is the froth flotation method selected for the concentration of sulphide ores? This method is based on the principle of the difference in thewetting properties of the ore and the gangue particles with thewater and oil. .

  • How the ore is concentrated by froth floatation process?

    Froth Flotation Process Ore contains rocky impurities which are needed to be separated before processing. This process is called concentration of ore. The principle of froth flotation process is that sulphide ores are preferentially wetted by the pine oil, whereas the gangue particles are wetted by the water.

  • Why is it that only sulphide ores are concentrated by

    Why is it that only sulphide ores are concentrated by the"froth floatation process"???

  • Extraction Of Zinc Process Of Concentration, Roasting ...

    Process Of Concentration: The first process in the extraction of zinc is the concentration. As shown in the diagram below, this process involves the implementation of froth floatation method for the extraction of zinc ores from zinc blende. Zinc blende is mixed up in a large tank consisting of a mixture of pine oil and water.

  • froth floatation process of sulphide ore humelani.co.za

    Froth Flotation Process Mineral Processing / · The single most important method used for the recovery and upgrading of sulfide ores, thats how G. J. Jameson described the froth flotation process in 1992.

  • Frothing in the flotation of copper sulfide ores in sea ...

    Request PDF on ResearchGate Frothing in the flotation of copper sulfide ores in sea water The selection of appropriate frothing agents for flotation of porphyry copper ores in sea water is becoming an important issue.

  • Why is that only sulphide ores are concentrated by froth ...

    Only sulphide ore is concentrated by froth floatation method. This is because the sulphide particles present in the ore are preferentially wetted by the froth formed by the oil used in the process and rise to the surface where they are skimmed off.

  • FROTH FLOTATION : RECENT TRENDS Flotation of

    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.

  • Froth Flotation (Sulphide & Oxide)

    Froth Flotation (Sulphide & Oxide) robertd 2017-04-04T06:57:31+00:00 To participate in the 911Metallurgist Forums, be sure to JOIN & LOGIN Use Add New Topic to ask a New Question/Discussion about Flotation.

  • why only sulphide ore is concentrated by froth flotation

    Only sulphide ores are concentrated by froth flotation process ... why only sulphide ore is concentrated by froth flotation. why only sulphide ore is concentrated by ...

  • Why Only Sulphide Ore Is Concentrated By Froth Flotation

    Why is that only sulphide ores are concentrated by froth . Only sulphide ore is concentrated by froth floatation method. This is because the sulphide particles present in the ore are preferentially wetted by the froth formed by the oil used in the process and rise to the surface where they are skimmed off. Copper mining. From ore to copper.

  • Explain the froth floatation process? askIITians

    The principle of froth flotation process is that sulphide ores are preferentially wetted by the pine oil, whereas the gangue particles are wetted by the water. In this process, a suspension of a powdered ore is made with water.

  • Important Questions for CBSE Class 12 Chemistry

    What is the role of collectors in Froth Floatation process? Answer: Refer Ans. to Q. 18. Question 39. What is the role of a depressant in Froth Floatation process for the concentration of a sulphide ore? Answer: Depressants are used to separate two sulphide ores. NaCN is used as depressant in separation of ZnS and PbS.

  • Copper Mining and Extraction: Sulfide Ores

    This is done by heating the concentrated ore from froth flotation. It is heated to between 500 °C and 700 °C in air. The product from the roaster is called calcine.

  • Why Only Sulphide Ore Is Concentrated By Froth Flotation

    Why Only Sulphide Ore Is Concentrated By Froth Flotation Froth flotation Wikipedia, the free encyclopedia The process was not froth flotation but used oil to agglomerate (make balls of) pulverised sulphides and buoy them to the surface, and was patented in 1898 with a descriptionIn the mining industry, the plants where flotation is undertaken to

  • Why is the froth flotation method only used for sulphide ores?

    Only sulphide ores are concentrated by froth flotation process because pine oil selectively wets the sulphide ore and hence brings it to the froth. This method is also used in waste recyling and paper industries.. this method also seperates hydrophobic substances from hydrophilic substances..

  • Why is the froth flotation method selected for the ...

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophobic. This is used in several processing industries. Historically this was first use d in the mining industry.

  • COPPER Copper production TU Delft

    sulfide minerals, for example, chalcopyrite and pyrite. Alcohols are used to stabilize the froth. To obtain concentrates with highest possible purity and recovery rate, the flotation process usually consists of several stages which are controlled by expert systems. Various sensors for particle size, pH, density, and other properties are installed.

  • why is froth flotation important linxpersonnel.co.za

    Why is froth floatation process used to extract SULPHIDES ... ... 1998; pp. 41 Flotation of Sulphide Ores HZL Experience V.P. KOHAD ... flotation plants.

  • Froth Flotation Concentrating impress-fp7.eu

    Froth Flotation Concentrating. Why Only Sulphide Ore Is Concentrated By Froth Flotation » why only sulphide ore is concentrated by froth flotation.Metals and non ...

  • Froth Floatation Process YouTube

    May 05, 2010· 4.Formation of a stable froth on the surface of the flotation cell 5.Separation of the mineral laden froth from the bath (flotation cell) Simple flotation circuit for mineral concentration. Numbered triangles show direction of stream flow, Various flotation reagents are added to a mixture of ore and water (called pulp) in a

  • explain froth floatation process? Yahoo Answers

    Dec 16, 2006· This is a method of concentration of ores used exclusively for Sulphide ores. Principle involved is the difference in the wetting properties of the ore and the gangue particles. The sulphide ore particles are preferentially wetted by oil while gangue particles are preferentially wetted by water.

    Status: Resolved
  • Froth flotation Wikipedia

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

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