Q. Name the various steps required for making water suitable for domestic use.
Ans. Treatment process for domestic use
S. No.
|
Process use for treatment
|
Impurities removed
|
1.
|
screening
|
Floating materials like sand, clay etc.
|
2.
|
Sedimentation with coagulation
|
Fine suspended inorganic matter
|
3.
|
Filtration
|
Colloidal impurities and larger organisms
|
4.
|
Disinfection
|
Pathogenic bacteria
|
5.
|
sedimentation
|
Suspended impurities like sand, clay etc.
|