Monday 29 December 2014

What is the process of Distillation of Coal Tar?

Understand the process of Distillation of Coal Tar. Click on the Link toWatch the VIDEO explanation: Watch Video


Water mixed with coal tar is completely removed before carrying distillation. For distillation coal tar is introduced in a pre heater provided with a set condensing coils. These coils carry out the hot vapours from the furnace. As a result of the heat of the pipe the water present in the coal tar is evaporated. Some low boiling hydrocarbon are also removed with the help of condensing coils immersed in water. The dehydrated tar is then taken in a vertical furnace as shown. On heating the various product get collected in the receivers at specific temperature. In order to prevent the formation of coke steam is regularly passed into the chamber.

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