Volume 88 Issue 39 | p. 48 | Concentrates
Issue Date: September 21, 2010

The Fate of Silver Nanoparticle Waste

Water Quality: Silver in our cosmetics and clothes can end up as silver sulfide nanoparticles in sewer sludge
Department: Science & Technology
News Channels: Environmental SCENE, Nano SCENE
Keywords: silver nanoparticle, silver sulfide, wastewater treatment, pollution, nanotechnology, sewer sludge

Manufacturers have incorporated silver nanoparticles into more than 200 consumer products, including clothing and cosmetics, because of their antibacterial properties. Now researchers analyzing sewer sludge provide the first evidence that silver leaching from these consumer products transforms into silver sulfide nanoparticles in wastewater treatment plants (Environ. Sci. Technol., DOI: 10.1021/es101565j). The findings provide scientists with important new information about the life . . .

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