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- Reverse_osmosis abstract "Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane. This membrane technology is not properly a filtration method. In reverse osmosis, an applied pressure is used to overcome osmotic pressure, a colligative property, that is driven by chemical potential, a thermodynamic parameter. Reverse osmosis can remove many types of molecules and ions from solutions, and is used in both industrial processes and the production of potable water. The result is that the solute is retained on the pressurized side of the membrane and the pure solvent is allowed to pass to the other side. To be "selective", this membrane should not allow large molecules or ions through the pores (holes), but should allow smaller components of the solution (such as the solvent) to pass freely.In the normal osmosis process, the solvent naturally moves from an area of low solute concentration (high water potential), through a membrane, to an area of high solute concentration (low water potential). The movement of a pure solvent is driven to reduce the free energy of the system by equalizing solute concentrations on each side of a membrane, generating osmotic pressure. Applying an external pressure to reverse the natural flow of pure solvent, thus, is reverse osmosis. The process is similar to other membrane technology applications. However, key differences are found between reverse osmosis and filtration. The predominant removal mechanism in membrane filtration is straining, or size exclusion, so the process can theoretically achieve perfect exclusion of particles regardless of operational parameters such as influent pressure and concentration. Moreover, reverse osmosis involves a diffusive mechanism, so that separation efficiency is dependent on solute concentration, pressure, and water flux rate. Reverse osmosis is most commonly known for its use in drinking water purification from seawater, removing the salt and other effluent materials from the water molecules.".
- Reverse_osmosis thumbnail Reverse_osmosis_membrane_coil.jpg?width=300.
- Reverse_osmosis wikiPageExternalLink sidney.pdf.
- Reverse_osmosis wikiPageExternalLink reverse-osmosis-water-purification-system.html.
- Reverse_osmosis wikiPageID "18589212".
- Reverse_osmosis wikiPageRevisionID "605016726".
- Reverse_osmosis cleanup "April 2011".
- Reverse_osmosis hasPhotoCollection Reverse_osmosis.
- Reverse_osmosis refimprove "June 2009".
- Reverse_osmosis subject Category:Filters.
- Reverse_osmosis subject Category:Membrane_technology.
- Reverse_osmosis subject Category:Water_desalination.
- Reverse_osmosis subject Category:Water_technology.
- Reverse_osmosis subject Category:Water_treatment.
- Reverse_osmosis comment "Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane. This membrane technology is not properly a filtration method. In reverse osmosis, an applied pressure is used to overcome osmotic pressure, a colligative property, that is driven by chemical potential, a thermodynamic parameter. Reverse osmosis can remove many types of molecules and ions from solutions, and is used in both industrial processes and the production of potable water.".
- Reverse_osmosis label "Odwrócona osmoza".
- Reverse_osmosis label "Omgekeerde osmose".
- Reverse_osmosis label "Osmose inversa".
- Reverse_osmosis label "Osmose inverse".
- Reverse_osmosis label "Osmosi inversa".
- Reverse_osmosis label "Reverse osmosis".
- Reverse_osmosis label "Umkehrosmose".
- Reverse_osmosis label "Обратный осмос".
- Reverse_osmosis label "تناضح عكسي".
- Reverse_osmosis label "逆浸透膜".
- Reverse_osmosis label "逆滲透".
- Reverse_osmosis sameAs Reverzní_osmóza.
- Reverse_osmosis sameAs Umkehrosmose.
- Reverse_osmosis sameAs Osmose_inverse.
- Reverse_osmosis sameAs Osmosis_terbalik.
- Reverse_osmosis sameAs Osmosi_inversa.
- Reverse_osmosis sameAs 逆浸透膜.
- Reverse_osmosis sameAs 역삼투.
- Reverse_osmosis sameAs Omgekeerde_osmose.
- Reverse_osmosis sameAs Odwrócona_osmoza.
- Reverse_osmosis sameAs Osmose_inversa.
- Reverse_osmosis sameAs m.01dgmg.
- Reverse_osmosis sameAs Q272175.
- Reverse_osmosis sameAs Q272175.
- Reverse_osmosis wasDerivedFrom Reverse_osmosis?oldid=605016726.
- Reverse_osmosis depiction Reverse_osmosis_membrane_coil.jpg.
- Reverse_osmosis isPrimaryTopicOf Reverse_osmosis.