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      • This simply means getting rid of as much of the unwanted rocky material as possible before the ore is converted into the metal. In some cases this is done chemically. For example, pure aluminum oxide is obtained from bauxite by a process involving a reaction with sodium hydroxide solution.
      chem.libretexts.org/Bookshelves/Inorganic_Chemistry/Supplemental_Modules_and_Websites_(Inorganic_Chemistry)/Descriptive_Chemistry/Elements_Organized_by_Block/3_d-Block_Elements/1b_Properties_of_Transition_Metals/Metallurgy/An_Introduction_to_the_Chemistry_of_Metal_Extraction

      An Introduction to the Chemistry of Metal Extraction

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  3. www.researchgate.net › publication › 315487165(PDF) ORE SEPARATION BY SCREENING - ResearchGate

    Mar 3, 2017 · Mechanical screening, often just called screening, is the practice of taking granulated ore material and separating it into multiple grades by particle size. This practice occurs in a variety of...

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      Mechanical screening, often just called screening, is the...

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  4. www.vedantu.com › chemistry › extraction-of-metalsExtraction of Metals from Ores – Different Processes Involved

    • Occurrence of Metals
    • Types of Ores
    • What Is Extraction of Metals?
    • Major Metal Ores in India
    • Importance of Metals

    Earth’s crust is the storehouse of metals such as sulphur, silicon. Some of the major metals are also found in seawater such as chloride. They are present in a free state as well as a combined state. For example, gold and platinum are available in a free state whereas calcium and copper are available in combined states. The metals found in the free...

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    Given below are the types of ores with their examples- 1. Oxide Ores- In this particular ore, the metals are present in the oxidised form. Obtaining metals from this ore is much easier. For example, Haematite ore ( Iron) and Bauxite ore (Aluminium) 1. Sulphide Ores- In this particular ore, the metals are present in the sulphide form. Since it is di...

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    We all know that the metals exist mostly in the form of salts along with other minerals to form an ore. These impurities should be removed with the help of different inorganic separation techniques. Every step takes us to a purer content of metal in the ore. In this concept page, every process involved in the extraction of metals will be discussed ...

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    Iron, which is one of the most important and beneficial metals, is extracted from iron ores. Iron ores mines are found in Goa, Karnataka, Orissa.
    Aluminium is extracted from Bauxite ore. In India, the most available ore is Bauxite ore. States with Bauxite deposits are Maharashtra, Tamil Nadu and Gujarat.
    Tin which is obtained from tinstone can be found in Jharkhand.

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    Metals are extracted from the ores because of their properties. They can be used in different areas and can benefit humankind. Following are the uses of metals in our day-to-day lives.
    Metals are useful for the production of vehicles and their parts. This means that metals play an important role in transportation.
    Since they are malleable and ductile, they can be hammered to get different shapes and also can be drawn into wires.
    Electronic devices such as computers and household devices such as ovens, microwaves are made with the help of metals.

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  6. www.researchgate.net › publication › 337365656Physical separation methods, Part 1: A Review - ResearchGate

    Nov 19, 2019 · The aim of this review is to present an understanding on physical separation methods with emphasis on how they take advantage of ore physical properties to achieve separation.

  7. www.chemguide.co.uk › inorganic › extractionTHE EXTRACTION OF METALS - AN INTRODUCTION - chemguide

    This page looks at the various factors which influence the choice of method for extracting metals from their ores, including reduction by carbon, reduction by a reactive metal (like sodium or magnesium), and by electrolysis.

  8. www.thenational.academy › teachers › programmesAlternative methods of extracting metals: phytomining and ...

    Electrolysis is a process used to separate metals from their compounds. There are advantages and disadvantages associated with each method of extracting metals. Common misconception. Students struggle to distinguish between phytomining and bioleaching. Reinforce that the term 'phyto' is a combining form meaning 'plant'. Keywords.

  9. www.sciencedirect.com › topics › earth-and-planetaryMineral Processing - an overview | ScienceDirect Topics

    Mineral processing, also known as ore dressing, mineral beneficiation, or mineral engineering, is defined as the science and art of separating valuable metallic and nonmetallic minerals from unusable gangues.

  10. chem.libretexts.org › Bookshelves › InorganicAn Introduction to the Chemistry of Metal Extraction

    Jun 30, 2023 · This page looks at the various factors which influence the choice of method for extracting metals from their ores, including reduction by carbon, reduction by a reactive metal (like sodium or …

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