reverse osmosis

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reverse osmosis

reverse osmosis

n.
A process by which a solvent such as water is purified of solutes by being forced through a semipermeable membrane through which the solvent, but not the solutes, can pass.

reverse osmosis

n
(Chemical Engineering) a technique for purifying water, in which pressure is applied to force liquid through a semipermeable membrane in the opposite direction to that in normal osmosis

reverse′ osmo′sis


n.
a process in which pure water is produced by forcing waste or saline water through a semipermeable membrane.
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Noun1.reverse osmosis - (chemistry) a method of producing pure water; a solvent passes through a semipermeable membrane in a direction opposite to that for natural osmosis when it is subjected to a hydrostatic pressure greater than the osmotic pressure
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
osmosis - (biology, chemistry) diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal
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Veolia, along with Acwa Power and Oman's Dhofar International Development, won a contract in December to develop a 25-million-gallon RO desalination project in Oman.
The commercial agreement lays the groundwork for the commercialisation of the advanced RO desalination technology, which will be developed under Masdar's Renewable Energy Desalination Pilot Programme in Ghantoot, Abu Dhabi, in collaboration with the Korae Research Group, which includes Daewoo E&C.
DESALINATION PROJECTS Enerzone Engineering Services takes great pride to undertake turnkey revamping projects of Seawater RO Desalination Plants installed at Gwadar, Baluchistan for Design Modifications, Up-gradation, Replacement and Repair and Maintenance works.
Arafat said: "While not yet an economically viable alternative to conventionally powered RO desalination at current energy prices, these two geothermal-based schemes still show potential to be a cost-effective method of renewable desalination in the UAE.
Closing date: August 25, 2014 UAEMaintenance of SS piping system Tender no: 24EW/2014 Description: Maintenance of SS piping system in Al Zawra-I RO desalination plant (6 MIGD) 2014.
Production and delivery of Process Water is a key business activity for Majis, and the high-end technical expertise of the two firms will help us better serve our clients," he said, adding, "Sohar Industrial Port intake has very challenging raw water conditions, and the expertise of the two JV partners -- both leaders in the RO desalination O&M field -- will help Majis in delivering the right quality and quantity of process and potable water to its customers," he said.
Dr Hilal, who is also Professor in Nano-membranology and Water Technologies at Masdar Institute, said: "Energy plays important role in both thermal and RO desalination technologies and looking into the future for providing alternative energies to provide sustainable clean water to places where it is needed.
He said the UAE and the region will benefit from operating better fouling-resistant membranes in RO desalination plants as it will reduce operational fouling problems and therefore reduce cost.