Water treatment Flashcards
(4 cards)
1
Q
What is coagulation?
A
The use of flocculants such as Aluminum hydroxided to stick to particles and clump them together
2
Q
What is sedimentation?
A
Allowing heavy particles to settle to the bottom of the tank, forming a sludge layer
3
Q
What is filtration?
A
Passing semi-treated water thru gravel, sand, and activated charcoal to remove smaller particles, ions, etc.
4
Q
What is disinfection?
A
Adding chlorine or ozone to kill foreign microbes before use.