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Why copper ore is not concentrated by hydraulic washing

There are numerous methods of concentration and the methods are chosen based on the properties of the ore. Hydraulic Washing: This method concentrates the ore by passing it through an upward stream of water whereby all the lighter particles of gangue are separated from the heavier metal ore

  • Metallurgy: Definition, Principle, Process and Solved
    Metallurgy: Definition, Principle, Process and Solved

    Nov 17, 2021 2. Concentration of Ore. The purification or concentration of ore is done by various methods such as: Hydraulic washing; Froth floatation; Magnetic Separation; Leeching (i) Hydraulic Washing. It is based on the principles of gravity separation where density differences between the ore and the impurities separate the ore from the impurities

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  • General Principle and process of Isolation of metals
    General Principle and process of Isolation of metals

    First, the ore needs to be concentrated with some processes like hydraulic washing, magnetic separation, etc. then finally the isolation of pure metal is done. Concentration of Ores This is the process of isolation of ore from the gangue. This involves various processes that depend on the properties of the metal ore and the gangue

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  • What chemicals form when malachite heated? - Answers
    What chemicals form when malachite heated? - Answers

    May 02, 2013 Why ore of copper is not concentrated by hydraulic washing? Copper ore, usually in the form of malachite, needs to be refined through a chemical reaction, rather than a

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  • How is copper refined? - Answers
    How is copper refined? - Answers

    Aug 15, 2011 Why ore of copper is not concentrated by hydraulic washing? Copper ore, usually in the form of malachite, needs to be refined through a chemical reaction, rather than a

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  • What is the concentration or enrichment of ore Explain
    What is the concentration or enrichment of ore Explain

    To remove these unwanted substances the ores are concentrated on the basic of the type of impurities and their percentage proportion. There are different procedures for the concentration of ores such as hydraulic washing, magnetic separation, froth floatation process, leaching etc. - Froth flotation method is used for enrichment of ore

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  • Concentration of Ores – Study Material for IIT JEE
    Concentration of Ores – Study Material for IIT JEE

    By flowing the powdered ore in a current of water, the lighter rocky impurities can be washed away and the ore particles are left behind. For this, either wilfley table or Hydraulic classifier is used. Generally oxide and carbonate ores are concentrated by this method. i.e. haematite and cerussite. There are two gravity concentration methods

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

    Dec 06, 2019 (a) Zns ore can be concentrated by froth floatation method because it is a sulphide ore. (b) During roasting, copper pyrites are converted into a mixture of FeO and Cu 2 O. 2CuFeS 2 + O 2 \(\stackrel{\Delta}{\longrightarrow}\) Cu 2 S + 2FeS + SO 2

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  • Which is not the correct statement?
    Which is not the correct statement?

    Cassiterite, chromite and pitchblende are concentrated by hydraulic washing (Tabling). B Pure A l 2 O 3 is obtained from the bauxite ore by leaching in the Baeyers process

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  • gold processing - Mining and concentrating | Britannica
    gold processing - Mining and concentrating | Britannica

    gold processing - gold processing - Mining and concentrating: The nature of the ore deposit determines the mining and mineral processing techniques applied. Oxide ore deposits are frequently of such low grade (e.g., 3 to 10 parts per million) that extensive mineral processing cannot economically be justified. In this case they are merely shattered by explosives and then piled into heaps for

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  • Assertion(A) – Haematite and tin stone are concentrated by
    Assertion(A) – Haematite and tin stone are concentrated by

    Aug 19, 2020 (b) A and R are correct, R does not explains A (c) A is correct but R is wrong (d) A is wrong but R is correct. Assertion(A) – Haematite and tin stone are concentrated by hydraulic washing process. Reason (R) – Oxide ores are heavy and have high specific gravity

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  • METALLURGY - Amar Ujala
    METALLURGY - Amar Ujala

    Jun 27, 2020 • Copper Copper pyrites ... Removal of unwanted materials from the ore is known as concentration. HYDRAULIC WASHING MAGNETIC SEPARATION FROTH FLOATATION LEACHING On the basis of the type of ores, some of the important processes are given below: Hydraulic washing is based on the differences in gravities of the ores and the gangue

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  • What is Concentration of Ore? Definition, Physical
    What is Concentration of Ore? Definition, Physical

    The concentration of ore can is the chemical process of eliminating impurities like sand, rocks, silt, grit etc. from the ore for the extraction of metal. In this content definition and methods for concentrating ore are explained along with the definition of ore and its types

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  • UNIT METALLURGY 1
    UNIT METALLURGY 1

    environmental factors. Some of the common methods of ore concentration are discussed below. 1.2.1 Gravity separation or Hydraulic wash In this method, the ore having high specific gravity is separated from the gangue that has low specific gravity by simply washing with running water. Ore is crushed to a finely powdered form and treated with

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  • Ore of copper is not concentrated by hydraulic washing
    Ore of copper is not concentrated by hydraulic washing

    Mar 11, 2011 Ore of copper is not concentrated by hydraulic washing ( Give reason ) - Science

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  • BINQ Mining
    BINQ Mining

    Why ore of copper is not concentrated by hydraulic washingCopper ore, usually in the form of malachite, needs to be refined through a chemical reaction, rather than a mechanical separation as with washing

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

    If the sulphide ore of copper contains iron, the silica (SiO 2) ... Assertion(A) – Haematite and tin stone are concentrated by hydraulic washing process. Reason (R) – Oxide ores are heavy and have high specific gravity. Answer: ... Bauxite is an ore of aluminium while china clay is not. Why?

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