the blast furnace is used to extract what from its ore

what machines are used to extract iron ore - . what machines are used to mine iron ore - Crusher ... pig iron in a blast furnace are iron ore ... element is used to extract iron from its ore ... blast furnaces to extract iron from its ore - . advantages of extracting iron from iron ore using a blast, advantages of extracting iron from iron ore, This page looks at the use of the Blast Furnace ... Lead - Essential Chemical Industry Then the lead ore is separated from the zinc ore. A chemical called a depressant is added which is soluble in water (for example, zinc sulfate) and the zinc ore sinks and the lead ore is skimmed off. Later, a chemical such as copper(II) sulfate is added and the zinc ore now floats and is skimmed off.    Read More

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