reverse osmosis

reverse osmosis

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.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

reverse osmosis

(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

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

reverse′ osmo′sis

a process in which pure water is produced by forcing waste or saline water through a semipermeable membrane.

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Noun

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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osmosis

References in periodicals archive

Reverse osmosis (RO) had been a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water.

RO plants worth Rs8bn in Thar non-operational: PTI MPA tells Sindh Assembly

Likewise, keeping operational the Reverse Osmosis will be the responsibility of Sindh government.

Thar package

MadTree installed the SIRION Mega Reverse Osmosis system from Veolia Water Technologies.

Must be something in the water at MadTree Brewing Company

The process of water testing, which is an integral part of water treatment as it ensures the fitness of water to be potable, is not being adopted either at any filter or reverse osmosis plants.

Govt fails to make RO plants functional

This new SWRO plant is being developed as a brownfield seawater desalination plant and associated facilities, with the selected desalination technology being SWRO, two (2) pass reverse osmosis, RO, including pre-treatment facilities.

Dewa awards Dh871m contract for desalination plant

Each Reverse Osmosis Plant would allow CBC to provide 100 more tankers daily to houses.

Extra water supplied to VIPs stopped in DHA

"We selected ICSCO because of its experience in the field of reverse osmosis technology and are aiming to work together to ensure further growth in this region," said Vesselle.

Lanxess inks Mideast distribution deal with ICSCO

In alignment with its strategic objectives, Fewa previously qualified 13 consortia to bid for the construction of a reverse osmosis desalination plant in Umm Al Quwain with a capacity of 45 million gallons per day, said a Wam news agency report.

FEWA to boost water production with new projects

From there, the rainwater undergoes a treatment process enhanced by GE's donation of a reverse osmosis system and a total organic carbon analyzer.

Partnership turns stormwater into wine

The membrane was then incorporated into a new organic solvent reverse osmosis process, during which aromatics were pressed through the membrane, separating out para-xylene.

EXXONMOBIL AND GEORGIA TECH REDUCE EMISSIONS

"DEWA has chosen to use reverse osmosis technology, as it uses about 90% less power than MSF technology," Al Tayer added.

DEWA hands $4.4m deal for Dubai desalination plant