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天!瑞士每年冲走数百万黄金与白银

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  Swiss flushing away millions in gold and silver every year


  While London’s sewers can get clogged with fatbergs made up of grease and diapers, it seems Switzerland’s waste system is flecked with silver and gold.

  当伦敦下水道被油脂和布棉构成的油块堵塞之时,瑞士的废弃物系统似乎点缀着金银斑点。


  Researchers last year detected 3 tonnes of silver and 43 kg of gold in effluent and sludge from waste water treatment plants - amounting to around 3 million Swiss francs.

  研究者去年在废水处理厂流出的水以及污泥中,探测到3公吨白银以及43公斤黄金—约计300万瑞士法郎。

  But before people start hunting in their drains for jewelry, the government study said the tiny particles were likely to be mostly from the watchmaking, pharmaceuticals and chemical industries, which use the metals in their products and processes.

  但民众开始在他们的排水沟寻猎珠宝以前,政府研究说,这些微粒可能大多来自产品和制程使用这些金属的制表业、制药业及化学工业。

  "You hear stories about an angry man or woman throwing jewelry down the toilet, but we didn’t find any rings, unfortunately," report author Bas Vriens said on Thursday.


  报告作者巴斯.维利恩斯周四说,「你们听过生气男女把珠宝丢进马桶的故事,但不幸地,我们没找到任何戒指。」

  "The levels of gold or silver were very small, in the micrograms, or even nanograms, but when you add them up it’s pretty substantial."


  「黄金或白银的含量很小,以微克或甚至奈克计,但当你把它们慢慢加总起来,它是相当可观的。」

  Researchers are now studying if it is worthwhile to extract the metals, but so far it has not found to be cost effective.

  研究者现正研究,是否值得提炼这些金属,但至今未发现符合成本效益。

  "It wouldn’t make sense for people to boil their tap water to recover gold or silver because it has already been filtered out before it re-enters the drinking water supply," Vriens said. (Reuters)

  维利恩斯说:「民众为回收黄金或白银,而把自来水拿去煮沸,是说不通的,因为它早在进入饮用水供给系统前就已被滤除。」(路透)
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