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  3. expain the process of iron extraction and refining frome its ore in mechanical engeneering

expain the process of iron extraction and refining frome its ore in mechanical engeneering

The procedure is accomplished in three ways: refining by fire, by electrolytic, or by chemical methods. Iron, copper, and lead are fire-refined by selective oxidation. In this process, oxygen or air is added to the impure liquid metal; the impurities oxidize before the metal and are removed as an oxide slag or a volatile oxide gas. The basic oxygen

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  • mining and refining – process

    mining and refining – process

    Ore quality can be improved by relatively simple and inexpensive processes for removing clay, known as “beneficiation”, which include washing, wet screening and mechanical or manual sorting. Beneficiating ore also reduces the amount of material that needs to be transported and processed at the refinery

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  • the extraction of iron - chemistry libretexts

    the extraction of iron - chemistry libretexts

    Aug 15, 2020 · This page looks at the use of the Blast Furnace in the extraction of iron from iron ore, and the conversion of the raw iron from the furnace into various kinds of steel. Contributors and Attributions. Jim Clark (Chemguide.co.uk) Prof. Robert J. Lancashire (The …

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  • the extraction of iron- chemistry libretexts

    the extraction of iron- chemistry libretexts

    Aug 15, 2020 · This page looks at the use of the Blast Furnace in the extraction of iron from iron ore, and the conversion of the raw iron from the furnace into various kinds of steel. Contributors and Attributions. Jim Clark (Chemguide.co.uk) Prof. Robert J. Lancashire (The …

    Read More
  • 50.5 extraction of metals- metallurgy | chemistry …

    50.5 extraction of metals- metallurgy | chemistry …

    The process of extraction of metal from the concentrated ore depends upon the nature of the ore as well as the nature of impurities present in the ore. Before the concentrated ore is subjected to final metallurgical operations in order to get the metal in the free state, the preliminary chemical treatment may be necessary

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  • extractive metallurgy- an overview | sciencedirect topics

    extractive metallurgy- an overview | sciencedirect topics

    The first step is the conversion of a concentrated iron ore to an impure form of iron known as pig iron. The iron ore is reduced in a blast furnace by reaction at high temperature with carbon. The raw materials are specially prepared for the blast furnace. Iron ore is mined and prepared into “sinter” or pellets for the steel making process

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  • flowchart of the mining of anoreand theextractionof metal

    flowchart of the mining of anoreand theextractionof metal

    It is in the blast furnace that extraction of iron occurshe extraction of iron from its ore is a long and subdued process, that helps in separating the useful components from the waste materials such as slaghat happens in the blast furnace the purpose of a blast furnace is to reduce the concentrated ore chemically to its liquid metal state

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  • iron ore pelletizing process: an overview| intechopen

    iron ore pelletizing process: an overview| intechopen

    Jul 10, 2017 · The iron ore production has significantly expanded in recent years, owing to increasing steel demands in developing countries. However, the content of iron in ore deposits has deteriorated and low-grade iron ore has been processed. The fines resulting from the concentration process must be agglomerated for use in iron and steelmaking. This chapter shows the status of the pelletizing process

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  • miningand refining–process

    miningand refining–process

    Ore quality can be improved by relatively simple and inexpensive processes for removing clay, known as “beneficiation”, which include washing, wet screening and mechanical or manual sorting. Beneficiating ore also reduces the amount of material that needs to be transported and processed at the refinery

    Read More
  • iron ore: mineralogy, processing and environmental

    iron ore: mineralogy, processing and environmental

    The iron ore sintering process is used extensively in ironmaking to convert iron ore fines into an agglomerated product with superior metallurgical properties

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  • (doc)engineering materials lecture notes| james …

    (doc)engineering materials lecture notes| james …

    The process produces molten metal and a molten slug in separate layers.A molten slag is usually composed of unwanted gangue compounds in ores etc. example of this include extraction of iron, zinc etc. Generally a low temperature process and in aqueous condition. It is also known as hydrometallurgy

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  • anew way of extracting copper| mit news | massachusetts

    anew way of extracting copper| mit news | massachusetts

    Jun 28, 2017 · The closest industrial process to the electrolytic copper extraction they hope to see is aluminum production by an electrolytic process known as Hall-Héroult process, which produces a pool of molten aluminum metal that can be continuously tapped. “The ideal is to run a continuous process,” Chmielowiec says

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  • aluminum extraction- an overview | sciencedirect topics

    aluminum extraction- an overview | sciencedirect topics

    Red mud is composed mainly of fine particles of silica, aluminum, iron, calcium, and titanium oxides in different proportions dependent upon the bauxite ore, aluminum extraction conditions, and quality control. Table 6.12 shows the constituent differences which are attributed to the type of bauxite ores and process conditions (Gu et al., 2012

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  • 50.5extraction of metals- metallurgy| chemistry …

    50.5extraction of metals- metallurgy| chemistry …

    It is the process of heating the ore in the excess supply of air below its melting point. This process is employed when oxidation of the ore is required. As a result of roasting, – moisture is driven away, – volatile impurities are removed, – the impurities like sulphur, phosphorus, arsenic are removed as …

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  • resources | free full-text | metalextractionprocesses

    resources | free full-text | metalextractionprocesses

    Primary lead is produced from sulfide ores containing iron, zinc, copper, PMs, and other trace elements. The concentrated ore and e-waste is treated for the extraction of lead and PMs. The process consists of sintering (ores), reduction and refining stages

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  • steps in the modern steelmakingprocess

    steps in the modern steelmakingprocess

    Aug 21, 2020 · The Modern Steel Production Process . Methods for manufacturing steel have evolved significantly since industrial production began in the late 19th century. Modern methods, however, are still based on the same premise as the original Bessemer Process, which uses oxygen to lower the carbon content in iron

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  • how plastics are made:: plasticseurope

    how plastics are made:: plasticseurope

    Plastics are derived from natural, organic materials such as cellulose, coal, natural gas, salt and, of course, crude oil. Crude oil is a complex mixture of thousands of compounds and needs to be processed before it can be used

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