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 absence on the panel of anyone who could become pregnant accidentally or discover her salary was five thousand dollars a year less than that of her male counterpart meant there was a hole in the consciousness of the committee that empathy, however welcome, could not entirely fill.”
—Anna Quindlen (b. 1953)
“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)
“Let us begin to understand the argument.
There is a solution to everything: Science.”
—Allen Tate (1899–1979)