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How does Reverse Osmosis work?

  • Writer: Desmond de Bod
    Desmond de Bod
  • Sep 16, 2022
  • 2 min read

Reverse Osmosis works by using a high pressure pump to increase the pressure on the salt side of the RO and force the water across the semi-permeable RO membrane, leaving almost all (around 95% to 99%) of dissolved salts behind in the reject stream. The amount of pressure required depends on the salt concentration of the feed water. The more concentrated the feed water, the more pressure is required to overcome the osmotic pressure.


What is Reverse Osmosis?


Reverse Osmosis is a technology that is used to remove a large majority of contaminants from water by pushing the water under pressure through a semi-permeable membrane.


Types of Reverse Osmosis.


Types of Reverse Osmosis Membranes

Two common types of household RO membranes are theThin Film Composite (TFC or TFM) membrane and the Cellulose Triacetate (CTA) membrane. The main differences between the two types are filtration ability and chlorine tolerance.


Types of Reverse Osmosis Filters


Desalination System: used to desalinate sea water for consumption, irrigation etc.

Brackish Water System: used to clean high salinity water (dirtier than tap water).Water Treatment Plants: used to clean a large area of surface, brackish and seawater.


What is RO membrane size?


What is Reverse Osmosis? Reverse osmosis filters have a pore size around 0.0001 micron. After water passes through a reverse osmosis filter, it is essentially pure water.



I hope you understand more about reverse Osmosis and the process of water.

Their is various types of inline filter to add to your reverse Osmosis water filter system to add minrals or increase the pH and alkalinity.


Put together by R O Water Technologies

Desmond de Bod


For more information about Reverse Osmosis and Filtration systems available. Contact Desmond @0845283242



 
 
 

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