During extraction of iron in the blast furnace, state the uses of the following in the furnace. (a) Molten slag (b) Waste gases leaving the...

During extraction of iron in the blast furnace, state the uses of the following in the furnace.
a) Molten slag
b) Waste gases leaving the furnace
c) Limestone

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a) Prevents molten iron from reoxidation ?1
b) Preheating air fed at the bottom of the furnace
c) To produce CaO for removal of silica impurities ?

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john3 answered the question on November 12, 2017 at 13:01

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