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    https://en.wikipedia.org/wiki/Slag
    Slag - Wikipedia
    Composition

    Slag is usually a mixture of metal oxides and silicon dioxide. However, slags can contain metal sulfides and elemental metals. It is important to note, the oxide form may or may not be present once the molten slag solidifies an… See more

    Ore smelting

    In nature, iron, copper, lead, nickel, and other metals are found in impure states called ores, often oxidized and mixed in with silicates of other metals. During smelting, when the ore is exposed to high temperatur… See more

    Classifications

    There are three types of slag: ferrous, ferroalloy, non-ferrous slags, which are produced through different smelting processes.
    Ferrous slags are produced in different stages of th… See more

    Applications

    Slags can serve other purposes, such as assisting in the temperature control of the smelting, and minimizing any re-oxidation of the final liquid metal product before the molten metal is removed from the furnace and used t… See more

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