Tag - Recycling

E-waste Recycling Yields Significant Profits

Using a food industry byproduct, researchers have extracted 22-karat gold from old motherboardsDepositphotosResearchers have discovered a novel technique for reclaiming high-purity gold from discarded electronics, generating a return of US$50 for every dollar invested. Surprisingly, they found the crucial gold-filtering material in an unexpected source: cheese production.Gold has been revered by societies for thousands...