Coal details

1) Peat coal is the lower quality of the coal

      it contain 20% carbon.

 2) By the destructive distilation of this coal wax, acetone, acetic-acid, methanol are obtained.

 3) The primary state of transformation of coal from

       wood is called peat coal.

1)Lignite it contain 28 to 30% carbon.

2) Heat energy  27 kj g^-1.

3) It is used in railway engin, thermal power station,

      and industries.

4) Coal gas, coal tar, phenol, cresol are obtained.

1) Bituminous coal contains about 78 to 86% carbon.

2) The heat energy of lignite is about 2730 kj g^-1.

3) It is used in fuel in the production of steel and      electricity.