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Coagulation
is a very necessary part of the process. IN the Coagulation tank,
Chemicals
are added to form a floc (thick mass).
These chemicals are mostly:
Alum
Ferrous
Ferric
Salt
These chemicals react to the materials in the water to make the unwanted
materials
settle to the bottom. Here, bacteria is entrapped and the color of the
water
is also absorbed. Next, the water makes its trip to the flocculation tank.
PROCESS:
Main
Screening
Flocculation
and Clarification
PH
Adjustment, Disinfection, and Softening
Other
Links:
Water.Com
Hill
Murray
Sewage-What
is it?
Water
Environment Federation
Water
Usage
Email
me at: 
Sunil's
email
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