Potable Water And Water Treatment Flashcards
1
Q
Potable water
A
Water that has been treated or is naturally safe for humans to drink
2
Q
What is the difference between pure and potable water?
A
Pure water only contains H2O molecules whereas potable water contains other dissolved substances
3
Q
Process of potable water
A
Filtration though mesh
Sand and gravel filtration
Sterilisation
4
Q
Where can waste water come from?
5
A
Homes
Agricultural systems
Domestic or agricultural sources
Industrial processes
Organic matter
5
Q
Sewage treatment stages
A
1) Screening
2) Sedimentation
3) Aerobic digestion —> released back into environment
4) Anaerobic digestion
5) Gas and digested waste produced
