Zadehnazari synthesized two innovative vinyl-linked covalent organic frameworks (VCOFs), materials designed to extract gold ions and nanoparticles from discarded circuit boards. Among these ...

An curved arrow pointing right. One ton of circuit boards from old e-waste can contain 100 times more gold than a ton of ore mined from the ground. Now, scrappers like Wade Crawley in Sydney ...

“Mitsubishi Materials and Panasonic have been jointly working to smelt [scrap] printed circuit boards collected from home appliance recycling plants and repair sites nationwide, extracting gold, ...