Sunday, March 25, 2018

Grime does pay when it comes to wastewater filters

A grimy layer on wastewater filters could slow the spread of antibiotic resistance.


‚ÄčAccumulating grime on sewage treatment membranes has long been considered a problem, yet it may help remove antibiotic-resistant bacteria and antibiotic resistance genes from wastewater that is treated in anaerobic membrane bioreactors.
Because wastewater is laced with antibiotics used in hospitals, homes and agriculture, treatment plants are potential hotspots for bacteria to develop resistance and transfer resistance genes between species.

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Image: Peiying Hong (left) and Ph.D. student Hong Cheng study the biofouling of membranes that filter pollutants from sewage and antibiotic-resistant bacteria and bacterial antibiotic resistance genes.
© 2018 KAUST

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