Commercial Water Filtration Systems
Pollutants in Water
Many other chemicals are added to our tap water before we drink it, which at the very least will include fluoride.
Most drinking water comes from three sources.
Ground water - which is heavily saturated with suspended matter and dissolved acids (which give it the brown
colour). To clear this water, aluminium sulphate (alum) is added as a coagulant and then chemical polyelectrolytes are
added to further settle the coagulated wastes. This water is then passed through sand filters to remove the settled
particles. Some of the chemicals remain in the water.
Surface dam water - to which
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Today's Featured Article:
Pollutants in Water
Many other chemicals are added to our tap water before we drink it. At the very least this will include
fluoride.
Ground water - which is heavily saturated with suspended matter and dissolved acids (which give it the brown
colour). To clear this water, aluminium sulphate (alum) is added as a coagulant and then chemical polyelectrolytes are
added to further settle the coagulated wastes. This water is then passed through sand filters to remove the settled
particles. Some of the chemicals remain in the water.
This water is then added to the scheme water. Other pollutants also seep in.
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