concentration by reverse osmosis

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• Reverse osmosis — Schematics of a reverse osmosis system (desalination) using a pressure exchanger. 1: Sea water inflow, 2: Fresh water …   Wikipedia

• reverse osmosis — /rəvɜs ɒzˈmoʊsəs/ (say ruhvers oz mohsuhs) noun a water purifying technique by which a fluid moves under pressure through a membrane from a high solute concentration to a lesser concentration. Compare osmosis …  

• reverse osmosis — the passage of solvent across a semipermeable membrane going from a solution of greater to one of lesser solute concentration, i.e., in the opposite direction from the usual; it is caused by application of hydrostatic pressure to the solution… …   Medical dictionary

• Reverse electrodialysis — (RED) is the salinity gradient energy retrieved from the difference in the salt concentration between seawater and river water [ [http://adsabs.harvard.edu/abs/1980OcEng...7....1L 1980 energy by reverse electrodialysis] ] .In reverse… …   Wikipedia

• Osmosis — is the movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, aiming to equalize the solute concentrations on the two sides.[1][2][3] It may also be used to describe a phy …   Wikipedia

• osmosis — The process by which solvent tends to move through a semipermeable membrane from a solution of lower to a solution of higher osmolal concentration of the solutes to which the membrane is relatively impermeable. [G. osmos, a thrusting, an… …   Medical dictionary

• Forward osmosis — is an osmotic process that, like reverse osmosis, uses a semi permeable membrane to effect separation of water from dissolved solutes. The driving force for this separation is an osmotic pressure gradient, such that a draw solution of high… …   Wikipedia

• Pressure retarded osmosis — (PRO) is the salinity gradient energy retrieved from the difference in the salt concentration between seawater and river water. In PRO, the water potential between fresh water and sea water corresponds to a pressure of 26 bars. This pressure is… …   Wikipedia

• analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

• Membrane technology — The membrane technology covers all process engineering measures for the transport of substances between two fractions with the help of permeable membranes. That means in general mechanical separation process for separation of gaseous or liquid… …   Wikipedia

• Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …   Wikipedia