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Gold and silver lost via effluents and sludge from wastewater treatment plants
- sharpercoder 9y agoI wonder if concentrated sludge can be collected and processed in a specialized plant with higher efficiency, reaching market efficiencies.
- wkearney99 9y agoWell, from the article: "recycling would not be economically worthwhile"
- paulajohnson 9y agoAs they say oop north, where there's muck there's money. Although I don't think its meant quite so literally.
- wkearney99 9y agoI've often wondered about the economic viability of 'mining' landfills for recoverable materials. But I suspect it's less expensive to focus on 'simpler' extraction methods from known deposits of materials rather than the wider range commingled garbage.
- zeristor 9y agoTailings at mines are often mined for other minerals once their values rises enough. https://en.wikipedia.org/wiki/Tailings#Reprocessing https://en.wikipedia.org/wiki/Tailings#Reprocessing
- efficax 9y agopecunia non olet am i right?
- wycx 9y agoPlatinum and palladium from catalytic converters accumulates in roadside dust: https://www.forbes.com/sites/timworstall/2013/07/15/the-streets-are-paved-with-gold-and-platinum/ https://www.forbes.com/sites/timworstall/2013/07/15/the-stre...