Inadequate treatment leaves sweet residues
German researchers have found traces of artifical sweeteners in treated waters. The research took samples from two sewage treatment facilities, as well as a soil aquifer treatment site. Using a new process that tests for the presence of several chemicals simultaneously, they detected traces of at least 4 artificial sweeteners in the samples. Further research found these same sweeteners in the facilities' recieving waters.
The health effects of artificial sweeteners are still the subject of debate. Some think that they're a carcinogen. The human body can't fully process the sweeteners, so some residue is excreted, which explains its presence in the wastewater. However, with the effects of these chemicals still under debate, it's apparent that further treatment is necessary.
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