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The 'PEARL' Membrane Working to Remediate Water Pollution azocleantech.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from azocleantech.com Daily Mail and Mail on Sunday newspapers.
First used to soak up oil in water, new sponge sequesters excess phosphate from water Phosphate Elimination and Recovery Lightweight (PEARL) membrane, a porous nanocomposite substrate, selectively sequesters up to 99% of phosphate ions from polluted water Tunable membrane will address other environmental challenges through incorporation of specific nanomaterials New tech meets need for sustainable, scalable and cost-effective solution that works outside the lab Phosphate pollution in rivers, lakes and other waterways has reached dangerous levels, causing algae blooms that starve fish and aquatic plants of oxygen. Meanwhile, farmers worldwide are coming to terms with a dwindling reserve of phosphate fertilizers that feed half the world’s food supply. ....
Co-authors Vinayak Dravid and Stephanie Ribet examine their phosphate elimination and recovery substrate. Credit: Northwestern University New research suggests that a membrane-embedded with specific nanostructures could provide a ‘plug & play’ solution to removing pollutants from aquatic ecosystems. While concentrations of phosphates in rivers, lakes and other bodies of water continue to soar, reaching dangerous levels, the global farming industry is having the opposite problem. Reserves of phosphate fertilizers the key to farming that forms at least half of the world’s food chain are dwindling. This means that non-renewable phosphates are causing eutrophication the enriching of bodies of water with minerals and nutrients that result in the propagation of harmful blooms of algae in many lakes. The irony of this situation is something that hasn’t been missed by science. ....
Phosphate Elimination and Recovery Lightweight (PEARL) membrane, a porous nanocomposite substrate, selectively sequesters up to 99% of phosphate ions from polluted water. Tunable membrane will address other environmental challenges through incorporation of specific nanomaterials. New tech meets need for sustainable, scalable and cost-effective solution that works outside the lab. ....