Triclosan may spoil wastewater treatment

Common antimicrobial could thwart microbes that clean up sewage sludge

By Beth Mole, 08:51 AM June 19, 2014

Triclosan, after being flushed down the drain, may muck up sewage treatment. In wastewater treatment plants, the omnipresent antimicrobial can sabotage some sludge-processing microbes and promote drug resistance in others.

The antimicrobial, a common ingredient in personal care products such as hand soaps and toothpaste, accumulates in municipal treatment plants across the country. In lab experiments, researchers have now found that concentrations of triclosan present in wastewater can destabi...

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