Environmental Science · Health, Toxicology and Mutagenesis

Chemical Analysis and Environmental Impact

When chlorine meets aspartic acid, several water-treatment by-products can form

Researchers mapped a multistep reaction in which chlorination of aspartic acid produces several disinfection by-products. Dichloroacetic acid was the main carbon-containing product, while other reaction paths formed trichloroacetic acid and dichloroacetonitrile.

1 week ago·33 views

Climate & Environment

Wastewater’s persistent trifluoroacetate may come from more than food

Wastewater at three rural sewer sites in Freiburg, Germany, contained more trifluoroacetate than could be accounted for by drinking water, groundwater, rainwater and estimated dietary intake. The researchers say other human-use sources, including cosmetics, may contribute, but more data are needed.

2 weeks ago·60 views