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Current Desalination News and Events, Desalination News Articles.
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How we transport water in our bodies inspires new water filtration method
A multidisciplinary group of engineers and scientists has discovered a new method for water filtration that could have implications for a variety of technologies, such as desalination plants, breathable and protective fabrics, and carbon capture in gas separations. The research team, led by Manish Kumar in the Cockrell School of Engineering at The University of Texas at Austin, published their findings in the latest issue of Nature Nanotechnology. (2019-12-16)

Illinois researcher's theory of pore-scale transport to enable improved flow batteries
Redox flow batteries are an emerging technology for electrochemical energy storage that could help enhance the use of power produced by renewable energy resources. In a new paper, Kyle Smith, assistant professor of mechanical science and engineering, addressed some of its challenges with a new theory to predict how fluid flow affects the ability of molecules in a flow battery to react at the surfaces of porous electrodes. (2019-11-21)

New hybrid device can both capture and store solar energy
Researchers have reported a new device that can both efficiently capture solar energy and store it until it is needed, offering promise for applications ranging from power generation to distillation and desalination. (2019-11-20)

Half of Piedmont drinking wells may exceed NC's hexavalent chromium standards
A new study which combines measurements from nearly 1,400 drinking water wells across North Carolina estimates that more than half of the wells in the state's Piedmont region contain levels of cancer-causing hexavalent chromium in excess of state safety standards. The prediction is based on a model of geology and chemistry. (2019-11-12)

'Hot' electrons in metallic nanostructures -- non-thermal carriers or heating?
These two pictures, heating vs 'hot electrons', are typically presented as orthogonal, and theories either treat one or the other. In a recent work, conducted by the groups of Prof. Yonatan Sivan and Yonatan Dubi (both from Ben-Gurion University, Israel), these two pictures were merged into a single theoretical framework, which enabled them to fully evaluate both the electron distribution and the electron and lattice temperatures of an illuminated nanoparticle. (2019-11-04)

Palestinian farmers benefit from Birmingham water technology project
University of Birmingham scientists have worked with international students to produce prototype desalination equipment that could help Palestinian farmers avoid water shortages and grow crops efficiently. (2019-10-31)

Three research papers published in Nature series journals
Department of Applied Physics of The Hong Kong Polytechnic University (PolyU) contributed 3 research papers that were recently published in the Nature series journals, which are among the most authoritative and recognized scientific journals in the world that publish high-quality research in all fields of science and technology. (2019-10-17)

Quantum destabilization of a water sandwich
When a thin layer of water is squeezed between two hydrophobic surfaces, the laws of classical physics break down. (2019-09-24)

Illinois engineer continues to make waves in water desalination
University of Illinois researcher Kyle Smith continues to build on his highly praised work to develop new methods of deionizing saltwater. His latest paper, 'Effect of Conductive Additives on the Transport Properties of Porous Flow-Through Electrodes with Insulative Particles and their Optimization for Faradaic Deionization,' published this week in Water Research, demonstrated promising results for energy-efficient desalination of alternative water resources. (2019-08-30)

Story tips from the Department of Energy's Oak Ridge National Laboratory, August 2019
ORNL story tips: Training next-generation sensors to 'see,' interpret live data; 3D printing tungsten could protect fusion reactor components; detailed study estimated how much more, or less, energy US residents might consume by 2050 based on seasonal weather shifts; astrophysicists used ORNL supercomputer to create highest-ever-resolution galactic wind simulations; new solar-thermal desalination method improves energy efficiency. (2019-08-01)

Scientists cook up new recipes for taking salt out of seawater
As populations boom and chronic droughts persist, coastal cities like Carlsbad in Southern California have increasingly turned to ocean desalination to supplement a dwindling fresh water supply. Now scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) investigating how to make desalination less expensive have hit on promising design rules for making so-called 'thermally responsive' ionic liquids to separate water from salt. (2019-07-31)

Water solutions without a grain of salt
Monash University researchers have developed technology that can deliver clean water to thousands of communities worldwide. (2019-07-23)

Metal oxide-infused membranes could offer low-energy alternative for chemical separations
Researchers at the Georgia Institute of Technology are working on membranes that could separate chemicals without using energy-intensive distillation processes. (2019-07-18)

Solar power with a free side of drinking water
An integrated system seamlessly harnesses sunlight to cogenerate electricity and fresh water. (2019-07-10)

'Liquid forensics' could lead to safer drinking water
Ping! The popular 1990 film, The Hunt for Red October, helped introduce sonar technology on submarines to pop culture. Now, nearly 30 years later, a team of scientists at the University of Missouri is using this same sonar technology as inspiration to develop a rapid, inexpensive way to determine whether the drinking water is safe to consume. Based on their results, the scientists said they can determine changes in the physical properties of liquids. (2019-07-08)

When kinetics and thermodynamics should play together
Research from the McKelvey School of Engineering suggests that without considering certain factors, researchers may overestimate how fast calcium carbonate forms in saline environments. (2019-07-01)

Insects inspire greener, cheaper membranes for desalination
Insect-inspired design principles lead to first-ever water-repellent membranes made from water-wet materials. (2019-06-30)

New membrane efficiently separates mirrored molecules
Prof. LIU Bo and colleagues at the University of Science and Technology of China (USTC) have developed a chiral separation membrane capable of capturing left-handed chiral molecules and releasing right-handed counterpart using two-dimensional layered materials. The chiral membrane, showing a separation efficiency up to 89% towards limonene racemate, is expected to be put into industrial production. (2019-06-25)

'Hot spots' increase efficiency of solar desalination
Rice University researchers showed they could boost the efficiency of their nanotechnology-enabled solar membrane desalination system by more than 50% simply by adding inexpensive plastic lenses to concentrate sunlight into 'hot spots.' (2019-06-18)

Radical desalination approach may disrupt the water industry
Columbia Engineering researchers report that they have developed a radically different desalination approach--''temperature swing solvent extraction (TSSE)''--for hypersaline brines. Their study demonstrates that TSSE can desalinate very high-salinity brines, up to seven times the concentration of seawater. Says PI Ngai Yin Yip, ''Our results show that TSSE could be a disruptive technology--it's effective, efficient, scalable, and can be sustainably powered.'' (2019-05-06)

Solar evaporator offers a fresh route to fresh water
Researchers at the University of Maryland's A. James Clark School of Engineering have demonstrated a successful prototype of one critical component for affordable small-scale desalination: an inexpensive solar evaporator, made of wood. (2019-04-16)

Story tips from the Department of Energy's Oak Ridge National Laboratory, April 2019
ORNL used artificial intelligence to analyze data from published medical studies about bullying to reveal the potential of broader impacts, such as mental illness or disease; New low-cost, printed, flexible sensor can wrap around power cables to precisely monitor electrical loads from household appliances; ORNL is evaluating paths for licensing remotely operated microreactors, which could provide clean energy to isolated regions; ORNL-led team used carbon nanotubes to improve process that removes salt from water. (2019-04-01)

Turning desalination waste into a useful resource
Process developed at MIT could turn concentrated brine into useful chemicals, making desalination more efficient. (2019-02-13)

Study of brine discharge from desalination plant finds good news and bad news
Before the Carlsbad Desalination Plant in Southern California began operations in 2015, scientists at UC Santa Cruz recognized an important opportunity to study the effects of the high-salinity brine that would be discharged from the plant into coastal waters. Their study shows that brine discharged from the plant raises offshore salinity levels more than permitted, but researchers found no direct local impacts on sea life. (2019-01-31)

Harnessing light for a solar-powered chemical industry
Chemical manufacturing accounts for 10 percent of global energy consumption and 7 percent of industrial greenhouse gas emissions. In the US, it uses more energy than any other industry. Now researchers have developed a new nano-enhanced material that can capture 99% of light and convert it to power chemical reactions. As well as reducing the environmental impact of chemical manufacturing, the innovation could in future help deliver technologies like better infrared cameras and solar-powered water desalination. (2019-01-30)

UN warns of rising levels of toxic brine as desalination plants meet growing water needs
A fast-rising number of desalination plants (~16,000, with capacity concentrated in the Middle East / North Africa) quench a growing thirst for freshwater but also create a salty dilemma: how to deal with the chemical-laden leftover brine. In a new analysis, UN experts say that for every litre of freshwater, desalination plants produce on average 1.5 litres of brine (though values vary dramatically by plant). Globally, 142 million cubic meters of brine is discharged daily. (2019-01-14)

Seawater turns into freshwater through solar energy: A new low-cost technology
A study conducted at Politecnico di Torino and published by the journal Nature Sustainability promotes an innovative and low-cost technology to turn seawater into drinking water, thanks to the use of solar energy alone. In the future, this innovation could have a positive impact on the quality of life in regions affected by drinking water scarcity. (2019-01-07)

Low-cost catalyst from U of T Engineering boosts hydrogen production from water
A future powered by carbon-free fuel depends on our ability to harness and store energy from renewable but intermittent sources, such as solar and wind. Now, a new catalyst developed at U of T Engineering gives a boost to a number of clean energy technologies that depend on producing hydrogen from water. (2018-12-12)

Researchers map light and sound wave interactions in optical fibers
Earlier this year researchers developed sensing protocols that allow optical fibers to 'listen' outside an optical fiber where they cannot 'look', based on an interplay between light waves and ultrasound. Now they have constructed a measurement protocol that can map local power levels of multiple optical wave components over many kilometers of fiber. This new insight may be applied to sensor systems of longer reach, higher spatial resolution, and better precision. (2018-11-28)

Drinking water sucked from the dusty desert air
An inexpensive hydrogel-based material efficiently captures moisture even from low-humidity air and then releases it on demand. (2018-11-26)

A carbon neutral solution for desalination? Maybe so by tapping into geothermal
Water shortages are hitting some areas of the world hard, and with increasing global temperatures, more regions may be experiencing drought conditions. (2018-11-03)

Flowing salt water over this super-hydrophobic surface can generate electricity
Engineers have developed a super-hydrophobic surface that can be used to generate electrical voltage. When salt water flows over this specially patterned surface, it can produce at least 50 millivolts. The proof-of-concept work could lead to the development of new power sources for lab-on-a-chip platforms and other microfluidics devices. It could someday be extended to energy harvesting methods in water desalination plants, researchers said. (2018-10-03)

A one-way street for salt
Barely heard of a couple of years ago, quinoa today is common on European supermarket shelves. The hardy plant thrives even in saline soils. Researchers from the University of W├╝rzburg have now determined how the plant gets rid of the excess salt. (2018-09-20)

Condensation enhancement: Toward practical energy and water applications
Vapor-to-liquid condensation has been widely exploited in various energy-intensive industrial applications. Promoting dropwise condensation by surface modification has thus been of great interest since its discovery. However, the long-standing challenge for better condensation heat transfer performance is to improve both droplet growth and surface refreshing. Ronggui Yang and colleagues demonstrated an unprecedented condensation enhancement on a low-cost and scalable superhydrophobic hierarchical mesh-covered surface, which paves the way toward practical applications. (2018-09-17)

3D electron microscopy uncovers the complex guts of desalination membranes
Careful sample preparation, electron tomography and quantitative analysis of 3D models provides unique insights into the inner structure of reverse osmosis membranes widely used for salt water desalination wastewater recycling and home use, according to a team of chemical engineers. (2018-09-17)

Bio-inspired materials decrease drag for liquids
Tiny nature-inspired cavities that trap air can stop liquids from sticking to surfaces without the need for coatings. (2018-09-06)

UConn scientists create reverse osmosis membranes with tunable thickness
Researchers at the University of Connecticut used electrospray technology to create ultra-thin, ultra-smooth polyamide membranes for reverse osmosis. This scalable process allows for better control of a membrane's fundamental properties, avoids the use of chemical baths, and can be applied to a variety of membrane separation processes. (2018-08-16)

Electrospraying a better desalinization membrane
Following 30 years during which the membrane hasn't changed much, researchers have introduced a new method for making the membranes used to turn saltwater fresh. (2018-08-16)

Hybrid nanomaterials bristle with potential
Triple-layered nanoarray electrode promises to boost battery performance and enhance other electrochemical processes. (2018-08-12)

Lasers write better anodes
Laser-scribed disordered graphene significantly improves sodium-ion battery capacity. (2018-07-30)

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