Air Pollution Control techniques applied to reduce gaseous pollutants in ambient atmosphere are
A. Cyclone collectors
B. Limestone Injection multistage Burner in thermal Power Plants
C. Selective catalytic Reduction (SCR) in thermal power plants.
D. Electrostatic Precipitators in thermal Power Plants
E. Fabric bag filters
Choose the most appropriate answer from the options given below:
1
B, C and D only
2
C and D only
3
B, C and E only
4
B and D only