Coal gas is attained from to a process carried out at *
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Coal gas is called as town gas. It is a by-product obtained during destructive distillation of coal. It mainly contains H2, CO, CO2, CH4 and N2. It has a calorific value ranging from 21000KJ/m3 to 25000KJ/m3. The gas obtained when coal is heated strongly in the absence of air is called coal gas.
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