Chemistry, asked by Akari7292, 1 year ago

Acid used in large quantities in iron and steel industry

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Answered by arjunnani
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Chemically, the mill scale can be compared with iron ore and can frequently be used in similar applications, example : as a raw material onproduction of pig iron, ferrous alloys and cement. Iron oxide, iron sulphate and metal hydroxide sludge arise on pickling with different types of acid.
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