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Mar
28
Way More Eco Friendly Gold Recycling With Biodiesel
March 28, 2024 | Leave a Comment
Chalmers University of Technology researchers have developed an environmentally friendly method for recycling and purifying metals. Using gold earrings from a pawnshop in Gothenburg and biodiesel from the nearest filling station, the discovery could change an industry that is currently dependent on large amounts of fossil oil. The scientific article ‘Sustainable solvent extraction of gold […]
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