Current Desalination News and Events

Current Desalination News and Events, Desalination News Articles.
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Graphene Oxide membranes could reduce paper industry energy costs
Paper industry wastewater recycling is among the most energy-intensive chemical processes in the world. Georgia Tech researchers have found a method to engineer membranes made from graphene oxide that allow water to get through it much faster than through conventional membranes and, in the process, can save the paper industry more than 30% in energy costs of water separation. (2021-02-22)

A salt solution for desalinating brine
Solar-powered brine crystallization could alleviate the environmental impacts of seawater desalination. (2021-02-21)

Physicists have developed new material for water desalination
Titanium dioxide nanoparticles decorated by gold absorb about 96% of the solar spectrum and turn it into heat. The material can accelerate the evaporation in desalination plants up to 2.5 times and can track hazardous molecules and compounds. An international research team with representatives from Far Eastern Federal University (FEFU), ITMO University, and the Far Eastern Branch of the Russian Academy of Sciences, published a related article in ACS Applied Materials and Interfaces. (2021-02-01)

Highly functional membrane developed for producing freshwater from seawater
Researchers at Kobe University's Research Center for Membrane and Film Technology have successfully developed a new desalination membrane by laminating a two-dimensional carbon material on to the surface of a porous polymer membrane. This membrane has the potential to perform highly efficient desalination because it is possible to control the gaps between its nanosheets and the charge on the nanosheets' surfaces. It is hoped that this research will contribute towards the implementation of futuristic desalination membranes. (2021-01-21)

Impacts of climate change on our water and energy systems: it's complicated
Researchers at Lawrence Berkeley National Laboratory (Berkeley Lab), UC Berkeley, and UC Santa Barbara have developed a science-based analytic framework to evaluate the complex connections between water and energy, and options for adaptations in response to an evolving climate. (2021-01-11)

Power, water and climate
As the planet continues to warm, the twin challenges of diminishing water supply and growing energy demand will intensify. But water and energy are inextricably linked. For instance, nearly a fifth of California's energy goes toward water-related activities, while more than a tenth of the state's electricity comes from hydropower. As society tries to adapt to one challenge, it needs to ensure it doesn't worsen the other. (2021-01-07)

Controlling the nanoscale structure of membranes is key for clean water, researchers find
A desalination membrane acts as a filter for salty water: push the water through the membrane, get clean water suitable for agriculture, energy production and even drinking. The process seems simple enough, but it contains complex intricacies that have baffled scientists for decades -- until now. Researchers from Penn State, The University of Texas at Austin, Iowa State University, Dow Chemical Company and DuPont Water Solutions published a key finding in understanding how membranes actually filter minerals from water, online today (Dec. 31) in Science. (2020-12-31)

Desalination breakthrough could lead to cheaper water filtration
Producing clean water at a lower cost could be on the horizon after researchers from The University of Texas at Austin and Penn State solved a complex problem that has baffled scientists for decades, until now. (2020-12-31)

Researchers measure, model desalination membranes to maximize flow, clean more water
A team of researchers -- including engineers from Iowa State University -- have used transmission electron microscopy and 3D computational modeling to quantify and visualize why some desalination membranes work better than others. (2020-12-31)

Let the sunshine in: self-cleaning membrane under visible light treatment
The Korea Institute of Science and Technology (KIST) reported that the research team led by Dr. Jeehye Byun and Director Seok Won Hong from Water Cycle Research Center developed a membrane material that self-cleans biological contaminants through irradiation of sunlight. According to the team, the newly developed membrane material is expected to significantly reduce the cost of membrane management as the membrane can be reused after just 10 minutes of sunlight irradiation. (2020-12-09)

Molecular pores for thought
Ultrathin porous films that can pluck out specific nanoscopic molecules could refine oil purification and drug development. (2020-12-06)

AI plots sustainable materials
Chemistry computer algorithm does more with less experimental data to reveal the optimal way to make green materials. (2020-11-22)

Peel-off coating keeps desalination cleaner and greener
A polyelectrolyte coating enables clean seawater desalination systems without harmful chemicals. (2020-11-16)

A biomimetic membrane for desalinating seawater on an industrial scale
Reverse osmosis is one of the most widely used techniques for the desalination of water. Some of the membranes currently used are artificial channels of water inserted into lipid layers. But their large-scale performance is not satisfactory. An international team has developed a hybrid strategy, which consists of combining a polyamide matrix and artificial water channels into a single structure. Their membranes have been tested under industrial conditions and outperform conventional membranes. (2020-11-09)

Water-energy nanogrid provides solution for rural communities lacking basic amenities
Researchers at Texas A&M University have come up with an economical, green solution that can help underprivileged communities with their water and electricity needs. (2020-11-04)

Industrial-strength brine, meet your kryptonite
A thin coating of the 2D nanomaterial hexagonal boron nitride is the key ingredient in a cost-effective technology developed by Rice University engineers for desalinating industrial-strength brine. (2020-11-03)

Solar-powered system extracts drinkable water from "dry" air
Researchers at MIT and elsewhere have significantly boosted the output from a system that can extract drinkable water directly from the air even in dry regions, using heat from the sun or another source. (2020-10-14)

The Marangoni Effect can be used to obtain freshwater from the sea
A study conducted at the Politecnico di Torino, in collaboration with the Massachusetts Institute of Technology (MIT), and published in the journal Energy and Environmental Science, presents a solar desalination device capable of spontaneously removing the accumulated salt. In the future, this discovery could lead to the development of sustainable desalination systems with stable efficiencies over time (2020-10-08)

Breakthrough technology purifies water using the power of sunlight
A research team, led by Australia's Monash University, has been able to transform brackish water and seawater into safe, clean drinking water in less than 30 minutes using metal-organic frameworks (MOFs) and sunlight. (2020-08-10)

New fabric could help keep you cool in the summer, even without A/C (video)
Air conditioning and other space cooling methods account for about 10% of all electricity consumption in the U.S., according to the U.S. Energy Information Administration. Now, researchers reporting in ACS Applied Materials & Interfaces have developed a material that cools the wearer without using any electricity. The fabric transfers heat, allows moisture to evaporate from the skin and repels water. (2020-07-29)

Discovery will allow more sophisticated work at nanoscale
The movement of fluids through small capillaries and channels is crucial for processes ranging from blood flow through the brain to power generation and electronic cooling systems, but that movement often stops when the channel is smaller than 10 nanometers. Researchers led by a University of Houston engineer have reported a new way to stimulate the fluid flow by using a small increase in temperature or voltage. (2020-07-28)

How clean water technologies could get a boost from X-ray synchrotrons
In a new perspective, SLAC and University of Paderborn scientists argue that research at synchrotrons could help improve water-purifying materials in ways that might not otherwise be possible. (2020-07-28)

Solar-driven membrane distillation technology that can double drinking water production
A joint research team from the Korea Institute of Science and Technology (KIST), led by Dr. Kyung-guen Song from the KIST Water Cycle Research Center and Dr. Won-jun Choi from the KIST Center for Opto-Electronic Materials and Devices, announced that it had used solar heat, a source of renewable energy, to develop a highly efficient membrane distillation technology that can produce drinking water from seawater or wastewater. (2020-07-22)

Chemists advance solar energy storage aimed at global challenges
Multi-university effort develops solar energy storage to enable decentralized electrification systems in remote areas. (2020-07-13)

Unorthodox desalination method could transform global water management
Over the past year, Columbia Engineering researchers have been refining their unconventional desalination approach for hypersaline brines -- temperature swing solvent extraction (TSSE) -- that shows great promise for widespread use. The team now reports that their method has enabled them to attain energy-efficient zero-liquid discharge of ultrahigh salinity brines -- the first demonstration of TSSE for ZLD desalination of hypersaline brines. (2020-06-25)

Ultrathin nanosheets separate harmful ions from water
An international research team, led by Monash University and ANSTO (Australia's Nuclear Science and Technology Organisation), has created an ultrathin membrane with high porosity that can filter potentially harmful ions from water. (2020-06-08)

Less water could sustain more Californians if we make every drop count
California cities can no longer rely on their three traditional water-coping strategies: over-drafting groundwater, depleting streams and importing water from far away. A new analysis focuses on several strategies that, taken together, can help cities provide for their growing population with prudent public policies and investments. (2020-05-19)

Moisture-sucking gels give solar panels the chills
Polymers that absorb water from the atmosphere can make it easier to run photovoltaic devices in hot climates. (2020-05-11)

Multifunctional porous carbon fibers show significant promise in capacitive desalination
Researchers have developed a material that is up to 40 times faster in desalinating small batches of water than other materials available today. (2020-05-05)

KIST ensures stability of desalination process with magnesium
A Korean research team found a method to inhibit the fouling of membranes, which are used in the desalination process that removes salt and dissolved substances from seawater to obtain drinking, domestic, and industrial water. (2020-05-04)

Understanding how fluids heat or cool surfaces
Textbook formulas for describing heat flow characteristics, crucial in many industries, are oversimplified, study shows. (2020-04-28)

A cheap organic steam generator to purify water
A high-efficiency steam generator for the purification and desalination of water can be built using cheap and natural materials such as cellulose. The steam generator has been developed at the Laboratory of Organic Electronics, Linköping University. The results have been published in the journal Advanced Sustainable Systems. (2020-04-20)

A new low-cost solar technology for environmental cooling
A study conducted by the Politecnico di Torino (Italy), in collaboration with the National Metrological Research Institute (INRiM) and recently published on Science Advances, proposes a new technology for space cooling. No electricity is needed, but rather salty water possibly produced exploiting solar radiation (2020-03-23)

Looking outside the fiber: Researchers demonstrate new concept of optical fiber sensors
Researchers have demonstrated a new concept of optical fiber sensors that addresses a decades-long challenge: the distributed mapping of refractive index outside the cladding of standard fiber, where light does not reach. The sensor can be used for leak detection in critical infrastructure, and process monitoring in the petrochemical industry, desalination plants, food and beverage production and more. (2020-03-09)

Harnessing the sun to bring fresh water to remote or disaster-struck communities
Researchers at the University of Bath have developed a revolutionary desalination process that has the potential to be operated in mobile, solar-powered units. (2020-02-13)

Simple, solar-powered water desalination
A completely passive solar-powered desalination system developed by researchers at MIT and in China could provide more than 1.5 gallons of fresh drinking water per hour for every square meter of solar collecting area. Such systems could potentially serve off-grid arid coastal areas to provide an efficient, low-cost water source. (2020-02-07)

Flushing nitrogen from seawater-based toilets
With about half the world's population living close to the coast, using seawater to flush toilets could be possible with a salt-tolerant bacterium. (2020-02-03)

The Blue Acceleration: Recent colossal rise in human pressure on ocean quantified
Human pressure on the world's ocean accelerated sharply at the start of the 21st century and shows no sign of slowing, according to a comprehensive new analysis on the state of the ocean. Scientists have dubbed the dramatic rise the ''Blue Acceleration''. The researchers from the Stockholm Resilience Centre, Stockholm University, synthesized 50-years of data from shipping, drilling, deep-sea mining, aquaculture, bioprospecting and much more. The results are published in the journal One Earth, 24 January. (2020-01-24)

Polluted wastewater in the forecast? Try a solar umbrella
Evaporation ponds, commonly used in many industries to manage wastewater, can occupy a large footprint and often pose risks to birds and other wildlife, yet they're an economical way to deal with contaminated water. Now researchers at Berkeley Lab have demonstrated a way to double the rate of evaporation by using solar energy and taking advantage of water's inherent properties, potentially reducing their environmental impact. The study is reported in the journal Nature Sustainability. (2020-01-06)

Australian desalination plant attracts fish
With growing populations and climate uncertainty, water security is a global concern. Many nations operate desalination plants, which remove salt from seawater to make it drinkable. These facilities typically discharge excess salt as hypersaline brine back into the ocean, with uncertain ecological effects. Now, researchers in Environmental Science & Technology report that a large desalination plant in Australia has the unexpected benefit of attracting some species of fish, increasing their abundance at the discharge site. (2019-12-18)

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