DESIGNING AN WATER TREATMENT PLANT--BASIC PARAMETERS

FIRST STEP:
to design anything you first need to know the amount of water to be treated and the time period within which you will have to treat that amount of water.
SECOND STEP:
have water test report and look out for the parameters that are exceeding.Those parameters are to be controlled.Yes you have to cetainly look for NA salts.
THIRD STEP:
Now make the flow chart and select the equipments according to the parameters. Like, use softener for removing hardness.
FOURTH STEP:
Estimating and costing
Parameter Value
pH 7.32
Turbidity --
Total Solid --
Alkalinity --
Hardness 70 mg/litre
Colour --
Fe(Iron) 0.15
Total Solids 186 mg/Litre
Total Suspended solids 8.0
Silicon Dioxide 72.7