Dual-charged nanofiltration membranes strip lead and viruses at tap pressure
Dual-charged nanofiltration membranes with fixed charges in both support and selective layer rejected over 95 percent of multivalent salts and ...
Tag: desalination
Desert reservoirs and engineered water systems fuel antimicrobial resistance in the Gulf
A narrative review finds that desert soils, wastewater reuse, desalination brine, dust storms and wildlife interfaces form interconnected reservoirs sustaining ...
Solar Power and Waste Heat Boost Osmotic Energy from Salt and Fresh Water
A new modeling study proposes storing fluctuating solar energy as an enhanced salinity gradient and using low-grade heat to raise ...
Waste Heat From Steel Furnaces Turned Into Electricity and Freshwater in Optimized New Design
A new modeling study optimized a storage-assisted waste heat recovery system that turns electric arc furnace off-gas into both electricity ...
Superhydrophobic carbon cloth evaporator pairs sunlight and electricity to keep salt away
A graphene and PDMS-coated carbon cloth evaporator produced up to 9.46 kilograms of freshwater per square meter per hour at ...
Attacks on Water Systems Threaten Health and Peace, Experts Warn
A BMJ commentary argues that conflict-related attacks and failures of water infrastructure threaten public health and should be treated as ...
Pilot system co-produces hydrogen and fresh water from seawater
Experimental systems used alkaline-electrolysis waste heat to desalinate seawater while producing hydrogen and fresh water, with the 250-kilowatt unit reaching ...
Almeria’s Greenhouse Miracle Shows Water Efficiency Alone Cannot Save Aquifers
A detailed analysis of Spain's Campo de DalÃas greenhouse region finds that dramatic water-efficiency gains merely delayed, rather than prevented, ...
Electrodeless reverse electrodialysis: membrane stacks that make power, fresh water and chemicals without electrodes
A new perspective in Frontiers in Membrane Science and Technology reviews electrodeless reverse electrodialysis systems that close the ionic circuit ...
Bone-Mineral Nanowires Boost Water Flow Through Desalination Membranes by 70 Percent
Researchers embedded ultralong hydroxyapatite nanowires in PVDF membranes, raising forward osmosis water flux by about 70 percent while improving antifouling ...
Dense Polymer Membranes Hide Interconnected Nanopore Networks, Scientists Find
A new perspective argues that dense polymer membranes actually contain interconnected subnanometer pore networks that govern transport in reverse osmosis, ...
Two-Faced Membrane Made in a Single Step Boosts Desalination Performance
Researchers have engineered a two-faced PVDF membrane in a single fabrication step, doubling desalination flux while resisting scaling for 100 ...
Salty, Dirty Water Could Quench Data Centers’ Thirst for Cooling
University of Texas at Austin researchers show that existing desalination technology can turn salty groundwater and oilfield wastewater into cooling ...
Solar, Wind and Seawater: Off-Grid System Turns Surplus Renewable Power Into Freshwater
A multi-objective optimization study of an off-grid solar-wind-battery-reverse osmosis system in Zabol, Iran, shows that using surplus renewable electricity to ...
Synthetic tree enhances solar steam generation for harvesting drinking water
WASHINGTON, June 22, 2021 -- About 2.2 billion people globally lack reliable access to clean drinking water, according to the ...
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