Question
Differentiate between lignite and bituminous coal.
Answer
Differentiate between lignite and bituminous coal are:
| Lignite Coal | Bituminous Coal |
| 1. It has carbon content of about 38 per cent. | 1. It has carbon content about 65 per cent. |
| 2. It has been mainly used for electric power generation. | 2. It is used for making coke (other type of fuel) and also for power generation. |
| 3. It produces low heat energy. | 3. It produces more heat energy. |
| 4. It has high moisture content. | 4. It has low moisture content. |
| 5. It is regarded as the lowest grade of coal. | 5. It is regarded as the middle grade coal. |