reverse osmosis


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Related to reverse osmosis: electrodialysis

reverse osmosis

[ri′vərs äs′mō·səs]
(chemical engineering)
A technique used in desalination and waste-water treatment; pressure is applied to the surface of a saline (or waste) solution, forcing pure water to pass from the solution through a membrane (hollow fibers of cellulose acetate or nylon) that will not pass sodium or chloride ions.
References in periodicals archive ?
A more economical technology is reverse osmosis (RO), which involves forcing the seawater through semi-permeable membranes under high pressure.
Modern high-rejection reverse osmosis membranes have the ability to retain both organic and inorganic dissolved contaminants at rates of over 99 percent, but have been limited by fouling and scaling issues.
NAVSEA ISSUED REF A AND B RECOMMENDING THE REMOVAL OF THE REVERSE OSMOSIS DESALINATOR (MROD) FROM 688 AND 774 CLASS SUBMARINES.
He says that when the pumps in the reverse osmosis plant are not running, power generated goes back into the electrical grid.
The new seawater reverse osmosis facility is expected to be located on the same site as the Fujairah 1 Independent Water and Power Plant (IWPP), the largest operating hybrid desalination plant in the world, owned by Emirates Sembcorp Water & Power Company.
The tertiary treatment process consists of Pressure sand filter, Activated carbon filter, Micron filter and Reverse Osmosis membrane.
Summary: Dow Water Solutions, a business unit of The Dow Chemical Company, recently announced that its FILMTECao reverse osmosis (RO) membranes have been installed at three wastewater reclamation and reuse facilities in conjunction with the 2008 Beijing Olympic Games.
The three wines have been produced using a different method from the previous range, which was made using the reverse osmosis technique.
Bergman provides an introductory overview of reverse osmosis and nanofiltration membrane technologies for the treatment of various water sources for the production of drinking water, in this manual from the American Water Works Association meant for operators, administrators, engineers, scientists, educators, and others.
The reverse osmosis membranes will be installed at a large seawater desalination plant to be set up in an industrial complex in Shuaiba, south of Jeddah on the Red Sea coast, Toray said.
The SPIRAPRO[TM] TFC[R] SR[R]3 and reverse osmosis spiral elements are designed specifically for pharmaceutical and fine chemicals applications.
The Band-Float technology is a new addition to Idrosistem's other water filtration equipment that includes biological treatment, dissolved air flotation, sand filtration, resin filtration, reverse osmosis and UV sterilization.

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