Understanding the 7 stages of water purification

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Understanding the 7 stages of water purification

There are numerous RO systems in the market with multi stage purification system. Typically you’ll see the stages varied from four to seven stages. During this post let us review all seven stages of the purification system that yields pure water

STAGE 1

Pre sediment filter:
This is the primary step in purification system. The water is passed through the pre sediment filter to get rid of significant mud and visual impurities.

STAGE 2

Sediment filter:
Even after passing through the pre sediment filter, the remaining visible impurities from water is removed in the stage. Fine dust particles, clay and other suspended impurities are removed once the water passes through this stage.

STAGE 3

Pre carbon filter:
To remove chlorine, lead, pesticides and other heavy metals from water, the pre cabon stage plays its role. The activated carbon removes chemical from water thus removing the bad taste and odour from water.Once the added chemicals are removed from water, then is its moved further for further purification.


STAGE 4

Reverse Osmosis Membrane:
The removal of germs and microbes takes place in this stage. The RO membrane removes most of the germs, chemicals, excessive salt and suspended particles that are left in the water after first three stages.

STAGE 5

UV CHAMBER:
Any germ left in the water is killed in this stage. The UV chamber kills bacteria to deliver pure water.

STAGE 6

Post Carbon Silver Purifier:
This stage adds taste to the water to make it drinkable. It is also the backup for RO as the germs removed from water at this stage as well. If the RO fails this stage will ensures the delivery of pure water.

STAGE 7

ULTRA FILTRATION:
The last stage where any left over germs like pyrogen and colloids is removed.
Once the water passes through all the stages of the RO system, it is free from all types of germs, microbes, chemicals, excessive salt, bad taste and bad odour. Water thus received from the tap is pure and crystal clear.

For More Details:
http://www.bloomworld.co.in

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