More than 25% of gold’s annual supply flows originate in the recycling of scrap. The global recession has now generated another recycling process altogether: the purchase and sale of jewelery items ...
Chalmers University researchers develop a sustainable method for gold recycling using biodiesel. The method effectively extracts pure gold from mixed metals and is applicable to other socially ...
JOHANNESBURG (miningweekly.com) – The recycling of gold, which fell to a seven-year low in 2014, is expected to remain low this year, and possibly decrease further owing to substantial near-market ...
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