We use water mostly for
Drinking/Cooking/Bathing.
Water that comes from natural process are
Sedimentation, condensation, disinfection
Evaporation, condensation, percipitation
Evaporation, operation, filtration
Natural water resources include rain, rivers, lake, pond, streams and __________?
Sea.
Is this evaporation process?
No.
Yes.
Is this condensation process?
Yes.
No.
Is this percipitation process?
No
Yes
Percipitation process can produce ____________ and _____________.
Flood, snow
Hurricane, tornado
Rain, snow
Condensation process is turning water vapour into liquid and produce __________.
Clouds.
Tornado.
Hurricane.
Water treatment plant needs to go through ___________ steps in order to distribute clean water.
2
1
3
4
Coagulation and flocculation process uses __________ and __________ to stick all the flocs together.
Chlorine, ozone
Aluminium sulfate, chloride
Sodium bisulfate, gravity
Sedimentation process uses ___________ to pull all the remaining flocs to the bottom.
bubbles
gravity
sludge
In filtration process, _____________ are used to filter water from unwanted suspended solids/bacteria.
sand filters
chlorine
bleach
Disinfection process is to make sure all ________________ are killed and ready to distribute clean water to the residents.
activated carbon
chloride
pathogens/bacteria
