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Search results for seawater desalination

Materials Science Mar 27, 2019

Ultrabright X-rays reveal the molecular structure of membranes used to desalinate seawater

For the first time, a team of researchers from Stony Brook University and the U.S. Department of Energy's (DOE) Brookhaven National Laboratory has revealed the molecular structure of membranes used in reverse osmosis. The ...

Polymers Mar 11, 2019

Cleaning up with cellulose

Selectively permeable membranes made from renewable plant-based materials could significantly improve the environmental credentials of the chemical industry. A KAUST team has tested the viability of cellulose membranes to ...

Materials Science Feb 13, 2019

Turning desalination waste into a useful resource

The rapidly growing desalination industry produces water for drinking and for agriculture in the world's arid coastal regions. But it leaves behind as a waste product a lot of highly concentrated brine, which is usually disposed ...

Nanomaterials Feb 12, 2019

At the rim: Mods to nanotubes help filter salt from seawater

As the global population continues to climb, the demand for drinkable freshwater is likewise rising. One potential solution to the shortages now threatening one-third of the world's people involves removing salt from seawater ...

Environment Feb 12, 2019

Cities turn to desalination for water security, but at what cost?

Removing salts and other impurities from water is really difficult. For thousands of years people, including Aristotle, tried to make fresh water from sea water. In the 21st century, advances in desalination technology mean ...

Materials Science Feb 4, 2019

Crystal clear solvent filtration

Covalent organic materials with well-ordered porous microstructures could provide the membranes needed for technology to meet increasingly stringent environmental controls and be cost effective to produce.

Environment Jan 14, 2019

UN warns of rising levels of toxic brine as desalination plants meet growing water needs

The fast-rising number of desalination plants worldwide—now almost 16,000, with capacity concentrated in the Middle East and North Africa—quench a growing thirst for freshwater but create a salty dilemma as well: how ...

Energy & Green Tech Nov 27, 2018

Wave power for clean drinking water

Around 1.2 billion people, or almost one-fifth of the world's population, live in areas of water scarcity, mostly in developing countries. Traditional reverse osmosis (R/O) desalination systems offer a solution but require ...

Materials Science Aug 16, 2018

Scientists create reverse osmosis membranes with tunable thickness

Currently, more than 300 million people around the world rely on desalinated water for part or all of their daily needs. That demand will only grow with larger populations and improved standards of living around the world.

Nanomaterials Jul 18, 2018

Water desalination picks up the pace

A membrane made of porous carbon-fiber structures grown on a porous ceramic substrate is more efficient at filtering seawater than existing similar membranes.

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