The secrets of sewage – What's in our wastewater? | DW Documentary

A poisonous cocktail rushes by way of the veins of cities: our wastewater. But this smelly liquid combine additionally incorporates helpful info. Now, scientists are measuring the wastewater of Berlin and Paris on an unprecedented scale.

What precisely is in the wastewater? A gaggle of researchers is on its approach to Europe’s largest wastewater remedy plant to search out out. Some 80 per cent of Paris’ wastewater is handled on the Achères sewage remedy plant northwest of the French capital. A thousand kilometers to the northeast, simply exterior Berlin, a really related scene is happening. Here, too, a staff of famend researchers is in search of clues in the sewer. The outcomes are astonishing.

Detecting hint substances in wastewater helps us be taught quite a bit. What medication do folks eat? What chemical substances are they uncovered to? The unfold of viruses can be tracked utilizing wastewater. In truth, one of the primary wastewater screens for SARS-CoV-2 was carried out by town of Paris. This documentary meets one of the lead scientists on the venture.

But it‘s not simply scientists who’re in wastewater: the federal police use the identical analytical instruments to trace down drug and explosives laboratories. For this documentary, investigators present a glimpse into this comparatively new criminological methodology.

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