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:
“The jargon of these sculptors is beyond me. I do not know precisely why I admire a green granite female, apparently pregnant monster with one eye going around a square corner.”
—Ezra Pound (1885–1972)
“Guilt is the most destructive of all emotions. It mourns what has been while playing no part in what may be, now or in the future. Whatever you are doing, however, you are coping, if you listen to your child and to your own feelings, there will be something you can actually do to make things right.”
—Penelope Leach (20th century)
“Any solution to a problem changes the problem.”
—R.W. (Richard William)