Gold processing methods for iron slag have been used throughout history to extract and refine gold. Iron slag, which is a byproduct of iron production, contains traces of gold and other precious ...

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Vertex Minerals (ASX:VTX) has processed first ore and begun commissioning of the high-grade Reward gold mine, with sales expected next ... Read More The post Vertex processes first ore for early gold ...

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The method, described by the researchers as a “win-win for the environment,” uses crystalline polymers to selectively extract gold ions and nanoparticles from waste central processing units (CPUs).