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The Times of India

World

TOI World Desk

Switzerland’s wastewater carries about 43 kilograms of gold and 3,000 kilograms of silver each year, but recovery is rarely worthwhile

Gold silver Switzerland United States

According to Eawag aquatic research , every year roughly 43 kilograms of gold and 3,000 kilograms of silver pass through Switzerland's wastewater treatment plants. Almost none of it ever gets recovered. Researchers at the Swiss Federal Institute of Aquatic Science and Technology, known as Eawag, calculated that these two metals alone are worth close to 3 million US dollars a year. The figure comes from a nationwide study of the country's sewage system, according to ScienceAlert's report on the findings.

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