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

    The general term slag may be a by-product or co-product of smelting (pyrometallurgical) ores and recycled metals depending on the type of material being produced. Slag is mainly a mixture of metal oxides and silicon dioxide. … See more

    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

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