Offbeat Why Millions of Dollars in Gold End Up in Sewers Every Year

11:53  12 october  2017
11:53  12 october  2017 Source:   Time

Switzerland Flushes $1.8 Million in Gold Down the Sewer Every Year

  Switzerland Flushes $1.8 Million in Gold Down the Sewer Every Year Thanks to the nation's gold refineries, traces of the precious metal flow through the nation's wastewaters.Scientists at the Swiss Federal Institute of Aquatic Science and Technology examined sewage sludge and effluents, or discharged liquid waste, from 64 water treatment plants and major Swiss rivers. They did this to assess the concentrations of various trace elements, which are "increasingly widely used in the high-tech and medical sectors," the scientists explained in a press statement. "While the ultimate fate of the various elements has been little studied to date, a large proportion is known to enter wastewater.

Switzerland Why Millions of Dollars in Gold End Up in Sewers Every Year . The 9.99 second-generation Oasis is also less expensive than its predecessor, which was priced at 9.99 when it launched last year .

Scientists have determined that, in Switzerland at least, around US.5 million each worth of gold and silver are ending up in the sewer system every year . That's a cool US million annually ending up down the loo.

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Millions of dollars worth of gold and silver are flushed away in Switzerland each year, a new study has found.

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SPONSORED. Switzerland Why Millions of Dollars in Gold End Up in Sewers Every Year . Person of the Year 2016. Space 2017. Top of the World.

Switzerland Why Millions of Dollars in Gold End Up in Sewers Every Year . Get your history fix in one place: sign up for the weekly TIME History newsletter. The more personal idea of coming out to the people in one's own life took decades to develop from that idea, though drag balls did not fade away.

More than $3 million of precious metals are found annually in sewage from more than 60 wastewater treatment plants in Switzerland, according to a study by the Swiss Federal Institute of Aquatic Science and Technology. Every year, about 95 pounds of gold and 6,600 pounds of silver are wasted, scientists said, adding that the annual totals were “quite substantial.”

In some areas of Ticino in southern Switzerland, where there are several gold refineries, “concentrations of gold in sewage sludge are sufficiently high for recovery to be potentially worthwhile,” the study says. But for the most part, scientists say the metals would not be worth recovering.

The concentrations of metals in most cases do not harm the environment, according to the study, which was commissioned by Switzerland’s Federal Office for the Environment.

While odd, it’s not particularly rare for sewage to contain gold. Other researchers have previously said at least $13 million in precious metals could be found each year in U.S. sewers. The metals can come from hair care products, detergents and nanoparticles put in socks to prevent bad odors, American researcher Kathleen Smith said in a 2015 study.

“There are metals everywhere,” Smith said at the time.

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