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Water filtration company targeting estimated $1 trillion worth of precious metals sitting in old mining sites

Ana Komnenic | February 03, 2014 | 6:24 pm Base Metals Precious Metals Africa Europe Latin America Gold Palladium Platinum 

A small nanotech company based in Mississauga, Ontario claims to have developed a technology that can recover metals from mine tailings using "nature's very own sponges" - crustacean shells. "Scientists have known for years that this is a very effective...

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