Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A liquid medium used in
hydrometallurgy to selectively extract the desiredmetal from theore ormineral .
Etymologies
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Examples
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Leach solutions returned from the heap to the collection ponds are regenerated with lixiviant as necessary and recycled through the heap until the solution grades are enriched to suitable levels for processing.
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The heap pads are initially leached with concentrated lixiviant.
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Sample 3, which had a lower assay and a lower recovery rate, was leached for seven days before washing the tails, adding water and additional lixiviant for an additional two days of leaching.
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It is believed that the 90\% extraction is more representative of the ultimate uranium recovery whereby fresh sodium bicarbonate (baking soda) lixiviant is regularly introduced into the solution.
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The other two samples described were leached for five days with 50\% of the lixiviant replaced each day.
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The lixiviant while travelling from injection to production well will dissolve uranium and this pregnant uranium bearing solution (leach liquor) will be pumped out to the surface and fed to the chemical processing plant to recover uranium.
Bloggers.Pakistan 2009
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In-Situ Leach (ISL) mining method, the official said, will be used to produce uranium using alkaline solution (lixiviant) with hydrogen Peroxide as an oxidant.
Bloggers.Pakistan 2009
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