Chemical Engineering - Fuels and Combustion - Discussion

Discussion Forum : Fuels and Combustion - Section 8 (Q.No. 5)
5.
During the carbonisation of coal
all tar is evolved at < 600°C.
evolution of H2 and formation of methane and aromatics occur at > 700°C.
hard semi-coke starts shrinking at 600°C.
all (a), (b) and (c).
Answer: Option
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