Leaching: nf (word coming from the Latin lixivius, from lix “lye”). Leaching is the extraction of a soluble compound from a pulverized product, by washing and percolation operations.
Leaching designates in the field of chemistry, pharmacy or soil sciences, all techniques for extracting soluble products by a solvent, and in particular by water circulating in the soil or in a substrate containing toxic products. (industrial or waste landfill...
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