Question

Give the principle behind leaching. Or what is leaching?Explain leaching of alumina using bauxit

Answer 1

Chemical leaching is a process to concentrated the dressed ore. It uses a reagent and dissolves the metal it it and not the non metal.

Answer 2

Leaching is a Natural process by which water soluble substances (such as calcium, fertilizers, pesticides) are washed out from soil or wastes. These leached out chemicals (called leachites) cause pollution of surface and sub-surface water.

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