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)
“You know that your toddler needed love and approval but he often seemed not to care whether he got it or not and never seemed to know how to earn it. Your pre-school child is positively asking you to tell him what does and does not earn approval, so he is ready to learn any social refinement of being human which you will teach him....He knows now that he wants your love and he has learned how to ask for it.”
—Penelope Leach (20th century)
“To the questions of the officiously meddling police Falter replied absently and tersely; but, when he finally grew tired of this pestering, he pointed out that, having accidentally solved the riddle of the universe, he had yielded to artful exhortation and shared that solution with his inquisitive interlocutor, whereupon the latter had died of astonishment.”
—Vladimir Nabokov (18991977)