Q. Which statement is correct for STPs ? (Solved)
1. Value of BOD is decrease in effluent.
2. Flocks is sedimanted in settling tank.
3. At end of process biogas is form
4. (d) All the given
- d. (d) All the given
1. Value of BOD is decrease in effluent.
2. Flocks is sedimanted in settling tank.
3. At end of process biogas is form
4. (d) All the given