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Write down the reactions which occur in upper, middle and lower zones in the blast furnace during the extraction of iron from iron ore. |
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Answer» Solution :Reactions in upper zone (1070 K) `{:(3Fe_(2)O_(3)+CO to 2Fe_(3)O_(4)+CO_(2)),(Fe_(3)O_(4)+4CO to 3Fe+4CO_(2)),(CaCO_(3) to CaO+ CO_(2)),(CaO +SiO_(2) to CaSiO_(3) "(SLAG) "):}` Reactions in middle zone (1270 K) `{:(C+CO_(2) to 2CO),(FeO +C to Fe +CO):}` Reactions in lower zone (1570 K) `{:(C+O_(2) to CO_(2)), (FeO +C to Fe +CO):}`. |
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