Abstract

In order to improve burning-out characteristic of dry distillation coal tar, the sample of dry coal tar was investigated by thermo-gravimetric analyzer(TGA), and the sample’ properties of kinetics and burning-out were studied. The results show that the dry distillated tar combustion is mainly dynamic combustion with diffusive combustion as a supplement. The combustion activation energy was 30 kJ/mol above, but the activation energy, frequency factor and reaction order appeared change on the subsequent combustion. The dry distillated coal tar is easy to be ignited, but difficult to burn out, so its maximum burn out temperature is higher.

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