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40 Current news about the topic desalination

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Making seawater drinkable in minutes

A new alternative seawater desalination membrane to produce drinking water

30-Jun-2021

According to the World Health Organization, about 785 million people around the world lack a clean source of drinking water. Despite the vast amount of water on Earth, most of it is seawater and freshwater accounts for only about 2.5% of the total. One of the ways to provide clean drinking water ...

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Better Understanding Membranes

A new class of membranes promises highly interesting applications in material separation, whether in biotechnology or water purification

28-May-2021

The theoretical understanding of these polymer membranes is, however, still incomplete. Two researchers from Helmholtz-Zentrum Hereon and the University of Göttingen now present a study, published in the renowned science journal Chemical Reviews, that identifies these gaps in knowledge and shows ...

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A carbon neutral solution for desalination?

Maybe so by tapping into geothermal

07-Nov-2018

Water shortages are hitting some areas of the world hard, and with increasing global temperatures, more regions may be experiencing drought conditions. Countries such as Saudi Arabia rely on desalination plants to provide drinking water to their residents, producing 5 million cubic meters of ...

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Boring down on boron

14-Jun-2018

High-temperature desalination technologies can efficiently reduce the concentrations of a chemical element in seawater to make it an effective substitute for fresh water. Research that has investigated how the element boron evaporates could help produce higher-quality drinking and irrigation ...

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Taming 'wild' electrons in graphene

24-Oct-2017

Graphene - a one-atom-thick layer of the stuff in pencils - is a better conductor than copper and is very promising for electronic devices, but with one catch: Electrons that move through it can't be stopped. Until now, that is. Scientists at Rutgers University-New Brunswick have learned how to ...

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Reducing power plants' freshwater consumption with new silica filters

20-Oct-2017

Power plants draw more freshwater than any other consumer in the United States, accounting for more than 50 percent of the nation's freshwater use at about 500 billion gallons daily. To help save this water, researchers at Sandia National Laboratories have developed a new silica filter for power ...

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Freshwater from salt water using only solar energy

21-Jun-2017

A federally funded research effort to revolutionize water treatment has yielded an off-grid technology that uses energy from sunlight alone to turn salt water into fresh drinking water. The desalination system, which uses a combination of membrane distillation technology and light-harvesting ...

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Squeezing every drop of fresh water from waste brine

31-May-2017

Engineers at the University of California, Riverside have developed a new way to recover almost 100 percent of the water from highly concentrated salt solutions. The system will alleviate water shortages in arid regions and reduce concerns surrounding high salinity brine disposal, such as ...

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Deconstructing osmosis provides insight for medical and industrial use

22-May-2017

Osmosis, the fluid phenomenon responsible for countless slug deaths at the hands of mischievous children, is fundamentally important not only to much of biology, but also to engineering and industry. Most simply put, osmosis refers to the flow of fluid across a membrane driven by a (solute) ...

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Graphene sieve turns seawater into drinking water

05-Apr-2017

Graphene-oxide membranes have attracted considerable attention as promising candidates for new filtration technologies. Now the much sought-after development of making membranes capable of sieving common salts has been achieved. New research demonstrates the real-world potential of providing ...

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