Swimming Pool Filtration


Various types of swimming pools differ in function and require their on specific cleaning system and water disinfection mechanism.

There is a difference between swimming pools with a water recirculation system and swimming pools that undergo constant water refreshment. In circulation pools, the water is recicled from a water purification system. Part of the water is separated and carried away after treatment and the pool gets filled up with fresh water.

When a swimming pool has a continual flow, the water is continually refreshed. The water that is retreated from the pool is discharged into the sewer, or it will be transported to a water purification plant. Most public swimming pools apply water re-circulation.

 

Purification steps

Swimming pool water is treated by means of various purification steps. The water is first transported from swimming pools to a water purification plant. In the water purification plant, it will flow through a hair removal filter, which removes raw pollutions, such as hairs, plasters and leaves, from water. After that, a flocculant is added, which causes smaller colloids to bind together. Colloids are visible floating particles of organic matter, such as skin tissue and textile fibers. This group of pollutants also concerns colloidal pollutants, such as saliva, soap remains, cosmetic products and skin fats. When these pollutants are abundant, they cause turbidity.

Parameters that indicate the presence of undissolved particles are water turbidity and potassium permanganate (KMnO4) demand of the water. Potassium permanganate is used as an indicator of organic matter oxidation.
Floating particles are removed from water in a sandfilter. The sandfilter is backflushed periodically. Finally, pollutants are discharged into the sewer.

Water Icon specializes in large sized pool filtration for water parks, gyms, training facilities and hotels.

We are able to consult in for any sized project with design and build capabilities as well as excellent staff training with great service and maintenance.

Our engineers have completed filtration systems for pools for clients such as Virgin Active, Planet fitness, Top hotel chains both in South Africa and Africa.

If you require any assistance please do not hesitate to use our free online consulting or get in contact with one our water professionals and we will be happy to assist and send you more information.

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