Chemical Engineering - Fuels and Combustion - Discussion


During the carbonisation of coal

[A]. all tar is evolved at < 600°C.
[B]. evolution of H2 and formation of methane and aromatics occur at > 700°C.
[C]. hard semi-coke starts shrinking at 600°C.
[D]. all (a), (b) and (c).

Answer: Option D


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