Popular Desalination News and Current Events

Popular Desalination News and Current Events, Desalination News Articles.
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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)

Researchers discover efficient and sustainable way to filter salt and metal ions from water
With two billion people worldwide lacking access to clean and safe drinking water, joint research by Monash University, CSIRO and the University of Texas at Austin published today in Sciences Advances may offer a breakthrough new solution. (2018-02-09)

Startup scales up CNT membranes to make carbon-zero fuels for less than fossil fuels
Mattershift, an NYC startup with alumni from MIT and Yale has achieved a breakthrough in making carbon nanotube (CNT) membranes at large scale. Tests confirming that Mattershift's large-scale CNT membranes match the characteristics and performance of small prototype CNT membranes previously reported in the scientific literature were published today in Science Advances. The startup is developing the technology's ability to combine and separate individual molecules to make fuel from CO2 removed from the air. (2018-03-09)

New lithium collection method could boost global supply
With continual technological advancements in mobile devices and electric cars, the global demand for lithium has quickly outpaced the rate at which it can be mined or recycled, but a University of Texas at Austin professor and his research team may have a solution. (2018-02-09)

Scientists use carbon nanotube technology to develop robust water desalination membranes
A research team of Shinshu University, Japan, has developed robust reverse osmosis membranes that can endure large-scale water desalination. To meet the demand of potable water at low cost, more robust membranes capable of withstanding harsh conditions, while remaining chemically stable to tolerate cleaning treatments, are necessary. The key lays in carbon nanotechnology. A multi-walled carbon nanotube-polyamide nanocomposite membrane creates a protective effect that stabilized the linked molecules of the polyamide against chlorine. (2018-04-11)

A new way to find better battery materials
Researchers at MIT and elsewhere have developed a new way to find materials that could be used as electrodes in lighter, safer rechargeable batteries. (2018-03-26)

World's largest cities depend on evaporated water from surrounding lands
A study found that 19 of the 29 largest cities in the world depend on evaporation from surrounding lands for more than one-third of their water supplies. (2018-03-13)

Researchers make headway in desalination technology
Engineers at the University of Illinois have taken a step forward in developing a saltwater desalination process that is potentially cheaper than reverse osmosis and borrows from battery technology. In their study, the researchers are focusing on new materials that could make desalination of brackish waters economically desirable and energy efficient. (2017-10-12)

New system recovers fresh water from power plants
A system devised by MIT engineers recovers fresh water from power plants. It could provide a low-cost source of drinking water for parched cities around the world, while also cutting plant operating costs. (2018-06-08)

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)

Bioinspired slick method improves water harvesting
By learning how water is collected by living organisms, including rice leaves and pitcher plants, scientists at The University of Texas at Dallas created and tested a combination of materials that can do the same thing, but faster. (2018-03-30)

Graphene sieve turns seawater into drinking water
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. (2017-04-03)

Freshwater from salt water using only solar energy
A federally funded research effort to revolutionize water treatment has yielded a direct solar desalination technology that uses energy from sunlight alone to heat salt water for membrane distillation. The technology could provide off-grid water treatment for some of the 1 billion people who lack access to clean water. (2017-06-19)

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)

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)

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)

'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)

Toward efficient high-pressure desalination
One of the biggest operational challenges for desalination plants is the fouling of membranes by microbes. New research from MIT suggests a novel approach to reducing the rate of fouling, and thus improving desalination plant efficiency. (2017-10-16)

Taming 'wild' electrons in graphene
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 tame the unruly electrons in graphene, paving the way for the ultra-fast transport of electrons with low loss of energy in novel systems. Their study was published online in Nature Nanotechnology. (2017-10-23)

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

Super-adsorbent MOF to control humidity
A metal-organic framework that can take up twice its weight in water and then release it when humidity falls. (2018-02-05)

Political leaning influences city water policies as strongly as climate
Researchers examined city water policies over the course of four years to create a database of water conservation policies. They also developed an associated index of the number of different categories of policies each city adopted and gathered data on the climate, water sources, population, economy and political leanings of each city and its surrounding metropolitan statistical area -- as reflected in the 2008 and 2012 presidential elections. (2018-06-19)

Squeezing every drop of fresh water from waste brine
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 hydraulic fracturing waste. (2017-05-29)

Super wood could replace steel
Engineers at the University of Maryland, College Park have found a way to make wood more than 10 times stronger and tougher than before, creating a natural substance that is stronger than many titanium alloys. (2018-02-07)

Better model of water under extreme conditions could aid understanding of Earth's mantle
A team of University of Chicago scientists ran quantum simulations to develop a new model of the behavior of water at extremely high temperatures and pressures. The computational measurements, published June 18 in the Proceedings of the National Academy of Sciences, should help scientists understand water's role in the makeup of the mantle and potentially in other planets. (2018-06-20)

Dialysis membrane made from graphene filters more quickly
Now MIT engineers have fabricated a functional dialysis membrane from a sheet of graphene -- a single layer of carbon atoms, linked end to end in hexagonal configuration like that of chicken wire. The graphene membrane, about the size of a fingernail, is less than 1 nanometer thick. (2017-06-29)

Energy-efficient water purification made possible by Yale engineers
Water and energy are two resources on which modern society depends. As demands for these increase, researchers look to alternative technologies that promise both sustainability and reduced environmental impact. Engineered osmosis holds a key to addressing both the global need for affordable clean water and inexpensive sustainable energy according to Yale researchers. (2009-01-14)

Can engineered carbon nanotubes help to avert our water crisis?
Carbon nanotube membranes have a bright future in addressing the world's growing need to purify water from the sea, researchers say in a study published in the journal Desalination. (2015-03-17)

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)

Water purification breakthrough uses sunlight and 'hydrogels'
Engineers at the University of Texas at Austin, have created a low-cost, clean and safe water purification device using only natural levels of sunlight and inexpensive gel technology which could be used by communities in drought-affected areas or victims of natural disasters with limited access to clean water. (2018-04-02)

Solar heat could make power + water for Namibia: Study
Seawater desalination can be integrated into a solar thermal energy plant using a variety of desalination technologies. Is solar-driven multi-effect distillation a financially feasible solution for water-stressed Namibia? (2018-01-28)

Heat Exchanger Fouling and Cleaning -- VII
The goal of this conference is to promote breakthrough thinking and explore new theoretical and practical approaches to ameliorating the fouling of heat exchangers. It provides a forum for industrial and academic participants to exchange information, and for experts from around the world to present their latest research and technological developments in fouling and cleaning strategies. It will involve keynote presentations, technical papers, poster sessions, panel discussions and stands for companies. (2007-01-25)

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)

TU Delft tests windmill for seawater desalination
A traditional windmill which drives a pump: that is the simple concept behind the combination of windmill/reverse osmosis developed by the Delft University of Technology in the Netherlands. In this case, it involves a high-pressure pump which pushes water through a membrane using approximately 60 bar. This reverse osmosis membrane produces fresh water from seawater directly. The windmill is suited for use by, for instance, small villages in isolated, dry coastal areas. (2008-02-29)

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)

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

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)

New approach to water desalination
A new approach to desalination being developed by researchers at MIT and in Korea could lead to small, portable desalination units that could be powered by solar cells or batteries and could deliver enough fresh water to supply the needs of a family or small village. As an added bonus, the system would also remove many contaminants, viruses and bacteria at the same time. (2010-03-23)

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)

Atomic-scale ping-pong
New experiments by researchers at the National Graphene Institute at the University of Manchester have shed more light on the gas flow through tiny, angstrom-sized channels with atomically flat walls. (2018-06-20)

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