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2012-08-28 |
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Selective precipitation of metal sulfides |
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Thiosulfate generation in situ in precious metal recovery |
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Reduction of zinc oxide from complex sulfide concentrates using chloride processing |
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Production of zinc oxide from complex sulfide concentrates using chloride processing |
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Multiple stage precipitation of heavy metals from acidic aqueous solution |
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Use of microwave radiation to eliminate foam in ore leaching |
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1992-02-25 |