Finally, a Way to Remove and Reuse Valuable Particles from Wastewater

When you redden the toilet , you ’re send a lot of bad stuff into the sewer . But what you might not realize is that you ’re flushing away a mass of secure material , too . That ’s why a squad of German scientistshave developed a methodfor regain those worthful particle .

Specifically , researchers found a way to absent phosphorus from wastewater . They call the program , befittingly , the German Phosphorus Platform , and it ’s both strikingly wide-eyed and imposingly advanced . The program adds something call superparamagnetic particles to the weewee . When the particles detect a magnetic champaign , they themselves become magnetic . The phosphorus speck then terminate up “ piggyback ” off the superparamagnetic particle and can be slay from the weewee with a attractor .

Phosphorus is a complicated substance : it ’s a valuable ingredient in things like plant food and detergent , but it ’s also a pollutant in waterways . The utilization of superparamagnetic particles works with other substances , too , however . For example , “ other wild substances , such as toxic heavy metal , can also be bump off comparatively easy with magnets , ” Dr. Carsten Gellermann of Fraunhofer said in a press release . But the phosphorus affair is a heavy mountain . After all , we only have enough reserves to last for the next 250 years , perhaps turn our sewerage into the phosphoric mines of tomorrow . [ Frauenhofer ]

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