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mining slag produced during extraction of iron

  • The Extraction of Iron - Chemistry LibreTexts

    This page looks at the use of the Blast Furnace in the extraction of iron from iron ore, and the conversion of ... Coke is produced by heating coal in the absence of air. ... The limestone is added to convert this into slag which melts and runs to the bottom. ... Environmental problems in mining and transporting the raw materials.

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  • Extraction of iron from copper-plant slag | SpringerLink

    Jan 5, 2017 ... In the production of copper from sulfide ore, slag accumulates at the processing plant. In the present work, the phase transformations that occur...

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  • Iron processing | Britannica.com

    Included in this article also is a discussion of the mining of iron and of its preparation for smelting. ... The metal was then formed into balls and freed from as much slag as possible before being ... Most iron ores are extracted by surface mining.

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  • Iron Extraction - 4College.co.uk- Salters Chemistry

    Iron Extraction. To make iron, it is first necessary to mine iron ore. Iron ore is ... The limestone is melted to become the slag, which removes impurities such as sulphur. The main fuel ... This is made by heating carbon in the absence of oxygen.

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  • BBC Bitesize - GCSE Chemistry (Single Science) - Iron and ...

    Learn about the methods of extracting iron and aluminium with BBC Bitesize ... (sand) impurities in the haematite, to produce slag - which is calcium silicate.

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  • Slag

    Slag is the glass-like by-product left over after a desired metal has been separated (i.e., ... Ferrous and non-ferrous smelting processes produce different slags. The smelting of copper and lead in non-ferrous smelting, for instance, is designed to...

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  • gcse 2. Blast furnace extraction of iron recycling, steel making ...

    These revision notes on the extraction of iron in a blast furnace and the ..... The salts produced by this reaction form a slag which can be tapped off separately. ... mining costs are omitted energy/machinery involved in digging out the ore,...

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  • How iron is made - material, manufacture, making, history, used ...

    Most iron is found in minerals formed by the combination of iron with other elements. ... Instead, it formed a crusty slag which was removed by hammering. ... 1 Much of the world's iron ore is extracted through open pit mining in which the.

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  • Extracting iron from iron ore | Ekomuseum

    In the 12th century, men started to mine iron ore from rock. ... a high yield of iron is obtained, as hardly any of it ends up in the slag or waste, which floats in ... percentage of carbon (24%), which made it unsuitable for malleable or wrought iron.

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  • Extraction Of Iron From Its Oxides

    Feb 4, 2014 ... For more information: [email protected] [email protected]

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