In the treatment of waste water discharge, which treatment stage involves biological treatment?
A
Primary treatment
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Secondary treatment
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Tertiary treatment
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Reverse osmosis stage
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B Secondary treatment Sewage water is treated by microbes in secondary treatment. Microbes utilize organic matter of waste water and grow in mass during secondary treatment.