The Swiss Federal Institute for Water Sciences and Technologies has emerged an interesting conclusion at end of his research in waste water treatment facilities in Switzerland for 1 year.
In Switzerland, researchers found 3 tonnes of silver and 43 kg of gold worth about 3 million Swiss francs (3.1 million dollars) in waste and mud from wastewater treatment facilities last year in country.
Used to decorate clock
In particular, it was estimated that precious metals concentrated in 2 regions were used to decorate luxury watches, while largest gold accumulation was found in canton of Ticino, south of country.Ad
While re is also a large reserve in Jura region in western Switzerland, Bas Vriens, head of research, is only region in which Ticino's concentration in sourn canton can make sense for recovery of high gold reserve Said.
"We couldn't find a ring in horse"
"We hear stories of jewel that an angry man or woman spilled on canvas, but unfortunately we did not find any rings in waste", Vriens said.
Scientists have analyzed sewage waters of 64 enterprises in total and 3 tonnes of silver were discovered in country's waste facilities outside of six.