Which of the following technologies are used to control the Sulphur CompoundĀ Emission from Thermal Power Plants?
1. Flue-Gas Desulphurization
2. Direct Sorbent Injection Technology
3. Lime Spray Dryer
Select the correct code given below.
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2 and 3