Water Treatment Flashcards
1
Q
Methods of water treatment
A
- Screening
- Settling
- Filtration
- Chlorination
- Fluoridation
2
Q
Screening
A
Wire mesh screens remove large waste debris (rubbish) from the waters
3
Q
Settling
A
Large tanks allow heavy particles to sink to the bottom and clean water is drawn from the top
4
Q
Filtration
A
Sand and gravel beds are used to filter smaller impurities from the water
5
Q
Chlorination
A
Small quantities of chlorine are added to kill any bacteria
6
Q
Fluoridation
A
Small quantities of fluorine are added to prevent tooth decay
