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explain the purification of sulphide ore by froth flotation method

1 Froth Flotation – Fundamental Principles Froth flotation is a highly versatile method for physically separating particles based on differences in the ability of air bubbles to selectively adhere to specific mineral surfaces in a mineral/water slurry. The particles with attached air bubbles are then carried to the surface and

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  • Describe ‘Froth Floatation Process’ for Concentration of
    Describe ‘Froth Floatation Process’ for Concentration of

    3) This method has been used for removing gangue from sulphide ores. eg. Galena (PbS), zinc blende (ZnS), copper pyrites (CuFeS2), etc. 4)In this method, a suspension of the powdered ore is made with water. To this suspension small quantities of collectors and froth stabilizers are added

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  • Explain the froth floatation process? - askIITians
    Explain the froth floatation process? - askIITians

    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

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  • forth fortation process
    forth fortation process

    Dec 25, 2019 In froth floatation process in the concentration of sulphide ore froth adsorbs ore particles. If true enter 1 else enter 0. View Answer. Explain the purification of sulphide ore by Froth floatation method. View Answer. Complete the following statement with an appropriate word/term to be

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  • Name the process used for the enrichment of sulphide ores
    Name the process used for the enrichment of sulphide ores

    Dec 14, 2018 Froth-Floatation method is used for concentration of Sulphide ores. In thismethod, gangue is removed from theore, by wetting the ore with oil and gangue with water. So, that oreparticles float above water. Then themineral particles are separated once they form froth, leaving behind the gangue. florianmanteyw and 8 more users found this answer

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  • CBSE NCERT Notes Class 12 Chemistry Isolation of Elements
    CBSE NCERT Notes Class 12 Chemistry Isolation of Elements

    Froth Flotation Method: - In this method is use to remove gangue from sulphide ores. In this process, a suspension of the powdered ore is made with water. This method is based on the preferential wetting of ore particles by oil and that of gangue by water .As a result the ore particles become light and rise to the top in the form of froth while

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  • Important Questions for Class 12 Chemistry Chapter 6
    Important Questions for Class 12 Chemistry Chapter 6

    Dec 06, 2019 Why is the froth flotation method selected for the concentration of sulphide ores? (Delhi 2009) Answer: Because the method is based on preferential wetting properties with the frothing agent and water, and the sulphide particles of ore stick to the oil droplets and rise in the form of froth

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  • copper extraction and purification
    copper extraction and purification

    The method used to extract copper from its ores depends on the nature of the ore. Sulphide ores such as chalcopyrite are converted to copper by a different method from silicate, carbonate or sulphate ores. Getting copper from chalcopyrite, CuFeS 2. Chalcopyrite (also known as copper pyrites) and similar sulphide ores are the commonest ores of

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  • Explain the use of the following: (a) NaCN in Froth
    Explain the use of the following: (a) NaCN in Froth

    Mar 12, 2019 (a) NaCN is used as depressants to separate two sulphide ores ( ZnS and PbS) in Froth Floatation Method. (b) Carbon monoxide forms a volatile complex of nickel, nickel tetracarbonyl. (c) Coke is used as a reducing agent to reduce zinc oxide to zinc

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  • Copper Mining and Extraction Sulfide Ores
    Copper Mining and Extraction Sulfide Ores

    Stage 2: Froth flotation The powdered ore is mixed with a special paraffin oil which makes the copper mineral particles water repellent. It is then fed into a bath of water containing a foaming agent which produces a kind of bubble bath. This is a rare chance to see a mill and flotation

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  • 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 concentrate ore are generally known as concentrators or mills

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  • Samacheer Kalvi 12th Chemistry Solutions Chapter 1
    Samacheer Kalvi 12th Chemistry Solutions Chapter 1

    Jan 20, 2020 Explain froth floatation process. (Or) How will you concentrate sulphide ores? (Or) Explain-the concentration of copper pyrites and galena ores. Answer: Froth flotation: This method is commonly used to concentrate sulphide ores such as galena (PbS), zinc blende (ZnS) etc

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  • Explain the purification of sulphide ore by Froth
    Explain the purification of sulphide ore by Froth

    Purification of Sulphide ore by froth floatation method →. This method employs a mixture of water and pine oil which is made to froth in a tank to separate sulphide ores. The differences in the wetting properties of the ore and gangue particles separate them. A mixture of water, pine

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  • Explain the purification of sulphide ores by froth
    Explain the purification of sulphide ores by froth

    The purification of Sulphide ores by froth floatation method: This method is used for the concentration of sulphide ore such as galena (P b S), zinc blende (Z n S) and copper pyrites (C u F e S 2 ) To water tank, finely divide ore is added. Pine oil, eucalyptus oil, xanthates or fatty acids etc are added. Compressed air is passed through water tank

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  • Explaining the Process of Froth Flotation
    Explaining the Process of Froth Flotation

    Mar 27, 2016 The flotation process for the concentration of ores is a method by means of which one or more of the minerals in the ore (usually the valuable ones) are picked up by means of a liquid film and floated at the surface of a mass of fluid pulp. Here they are separated from

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  • Froth Floatation Process - Fun Science
    Froth Floatation Process - Fun Science

    In this method, powdered ore is put in a tank full of water. And then, some Pine oil is added to it. In the tank the particles of sulphide ore are wetted by pine oil whereas the gangue particles are wetted bywater. Then air is passed through this mixture. This results in the agitation of water in tank, which cause the sulphide ore particles to stick with the oil and rise to the surface in the form of froth

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  • Explain froth floatation process. - Sarthaks eConnect
    Explain froth floatation process. - Sarthaks eConnect

    Aug 19, 2020 Froth flotation: This method is commonly used to concentrate sulphide ores such as galena (PbS), zinc blende (ZnS) etc. In this method, the metallic ore particles which are preferentially wetted by oil can be separated from gangue. In this method, the crushed ore is suspended in water and mixed with frothing agent such as pine oil, eucalyptus oil etc

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