What is Reverse Osmosis?
Reverse Osmosis is a membrane separation process in which feed water flows along the membrane surface under pressure. Purified water permeates the membrane and is collected, while the concentrated water, containing dissolved and undissolved material that does not flow through the membrane, is discharged to the drain.
Reverse Osmosis systems remove salts, micro-organisms and high molecular weight organics. System capacity depends on three major factors.
- The feed water temperature
- Total Dissolved Solids in feed water ( TDS )
- Operating pressure and the over all recovery of the system.
Compared with other conventional water treatment processes, Reverse Osmosis has proven to be the most efficient means of removing salts, chemical contaminants and heavy metals, such as lead, from drinking water.
For waters with Total Dissolved Solids of 200 ppm or more, Reverse Osmosis is less expensive than Ion Exchange. Even on comparable water it has better sediment and organic removal capabilities. Compared with Distillation, Reverse Osmosis uses only a fraction of the total energy and does not have high temperature problems, scaling and corrosion.
Please refer to our Cartridge Filtration page for further information about Reverse Osmosis and other cartridge filtering systems.