Question
a.
prevention of clinker formation in the oven.
b.
controlling the dust nuisance while charging the coal.
c.
reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂)
d.
all (a), (b) and (c).
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