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Extraction of Lead, Zinc and Silver from River Bed Tailings BY FeCl3
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Taylor, Patrick R. ; Choi, Yeonuk ; Cunningham, Lyle (1992). Extraction of Lead, Zinc and Silver from River Bed Tailings BY FeCl3.
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Taylor, Patrick R. ; Choi, Yeonuk ; Cunningham, Lyle (1992). Extraction of Lead, Zinc and Silver from River Bed Tailings BY FeCl3.
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Organization: Society for Mining, Metallurgy & Exploration
Pages: 6
Publication Date:
Jan 1, 1992
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Abstract
Abstract
| Laboratory experiments have been performed to evaluate the potential for metal removal and recovery from river bed tailings by ferric chloride leaching. The lead, zinc, silver and other metals in the river bed occur due to the old method of dumping mill tailings into rivers. This was practiced prior to the introduction of tailings impoundments. The effects of the leaching method, leaching time, pulp density, ferric chloride concentration, and leaching temperature on the rates and recoveries of lead, zinc and silver were studied. The effects of pulp density and leaching temperature were significant on the extraction rates of lead, zinc and silver. The lead content in the leached tailing was reduced to 0.023 percent, when using an 353O K leaching temperature and 0.384 g of FeC13/1 g of sample. |
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