Patented platinum-group metals (PGMs) refining technology Chloroplat, which recovers PGMs from ore concentrates and yields recoveries comparable with those achieved using conventional smelting, will ...
A 6,500-year-old copper smelting furnace was found in the desert around Beersheba. Mastery of copper and smelting technology was key to the next step in human development. The furnace was found 60 ...
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