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Home › Oxidation/reduction process for recovery of precious metals from MnO.sub.2 ores, sulfidic ores and carbonaceous materials

Oxidation/reduction process for recovery of precious metals from MnO.sub.2 ores, sulfidic ores and carbonaceous materials

US Patent 5232490 · Granted Aug 3, 1993

Estimated economic value: $416,000 ⓘ

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