Crystal Critters: Get Salt Out of Water by Making It Grow “Legs” and Self-Eject
Crystallizing salts can grow “legs,” then tip over and fall away, potentially helping to prevent fouling of metal surfaces, researchers find. About a quarter of…
Desalination
New Nanoparticle Material Developed for Efficient 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…
Low-Cost, Highly Efficient Solar-Powered Desalination for Safe Drinking Water
Scientists develop a low-cost, highly efficient technique that uses solar energy to remove salt from seawater, producing safe drinking water. Despite the vast amount of…
High Efficiency at Low Cost: New Catalyst Moves Seawater Desalination, Hydrogen Production Closer to Commercialization
Fast, one-step assembly at room temperature yields high efficiency at low cost. Seawater makes up about 96% of all water on earth, making it a…
Controlling the Nanoscale Structure of Desalination Membranes Is Key for Clean Water
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…
Nanoscale Control of Desalination Membranes 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…
Desalination Breakthrough Maximizes Flow for Cheaper Water Filtration
Nature has figured out how to make great membranes. Biological membranes let the right stuff into cells while keeping the wrong stuff out. And, as…
The Marangoni Effect Can Be Used to Obtain Freshwater From the Ocean
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…
Harnessing Sunlight to Efficiently Make Fresh Drinkable Water From Seawater
Simple, solar-powered water desalination system achieves new level of efficiency in harnessing sunlight to make fresh potable water from seawater. A completely passive solar-powered desalination…
Efficient Seawater Desalination and Hydrogen Production Possible With New Catalyst
New catalyst efficiently produces hydrogen from seawater, holding promise for large-scale hydrogen production, desalination. Seawater is one of the most abundant resources on earth, offering…
Engineers Develop New System to Provide Low-Cost Drinking Water
Technology captures water evaporating from cooling towers; prototype to be installed on MIT’s Central Utility Plant. A new system devised by MIT engineers could provide…
MIT Engineers Develop a Shockwave-Based Process for Desalination of Water
Chemical engineers from MIT have developed an efficient shockwave-based process to treat salty, brackish or contaminated water to make it usable. As the availability of…
Safe Drinking Water Via Solar Power Desalination
Natasha Wright, an MIT PhD student in mechanical engineering, has designed a solar powered system that makes water safe to drink for rural, off-grid Indian…
A Cost-Effective Treatment for Salty Water from Fracked Wells
A newly published study reveals how electrodialysis can provide cost-effective treatment of salty water from oil and gas wells. The boom in oil and gas…
Sun-Powered Desalination Technology Could Provide Drinking Water for Villages
A newly published study from MIT shows that a desalination technology powered by solar panels could provide enough clean drinking water for many of the…
Desalination Technique Using Graphene Sheets Improves Permeability and Efficiency
Using computer simulations, engineers at MIT have developed a new graphene-based desalination system that uses sheets of graphene with precisely sized holes, improving permeability and…
New Desalination Membrane Technology Promises to Be More Efficient
This year, more than a third of the world will suffer from shortages of potable water. This number is expected to rise by 50% by…