Pregnant Leach Solution (PLS) is acidic metal-laden water generated from stockpile leaching and heap leaching. Pregnant Leach Solution is used in the SX/EW process.
The portion of an original liquid that remains after other components have been dissolved by a solvent is called raffinate.
Famous quotes containing the words pregnant, leach and/or solution:
“A pregnant woman and her spouse dream of three babies—the perfect four-month-old who rewards them with smiles and musical cooing, the impaired baby, who changes each day, and the mysterious real baby whose presence is beginning to be evident in the motions of the fetus.”
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“Your preschool child will chatter endlessly to you. If you half-listen and half-reply the whole conversation will seem, and become, tediously meaningless for both of you. but if you really listen and really answer, he will talk more and what he says will make more sense.”
—Penelope Leach (20th century)
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