Microbes in Sewage Treatment Flashcards
1
Q
What does Primary Treatment involve
A
involves physical removal of large particles through sedimentation and filtration.
2
Q
Effluent
A
all solids that settle form the primary sludge and the super natants form the effluent
3
Q
Flocs
A
masses of bacteria associated with fungal filament to form mesh like structures
4
Q
BOD
A
biochemical oxygen demand
5
Q
What is BOD
A
refers to the amount of oxygen that would be consumed if all the organic matter in 1 litre of water were oxidized by bacteria
6
Q
Sedimentation of flocs occurs forming
A
activated sludge
7
Q
Where are remaining part of sludge and effluents pumped into?
A
anaerobic sludge disasters
8
Q
Gas composition of Biogas
A
methane , hydrogen sulphide, carbon dioxide
