Showing posts with label coal tar. Show all posts
Showing posts with label coal tar. Show all posts

Sunday, 12 March 2017

Fractional distillation of coal and its products
What is coal Tar?
       Coal tar is a black, thick, oily liquid obtained by destructive distillation of coal
       Tar obtained by high temperature carbonization are more dark coloured (Blackish) than tar obtained from low temperature carbonization.
       The actual composition of tar varies with the nature of coal and temperature of destructive distillation.

       Coal tar is important raw material for the manufacture of various products like explosives, synthetic dyes, perfumes, drugs, photo goods etc