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Molycorp Plans Near-Zero-Wastewater Facility

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California-based rare earth mining company Molycorp says its Project Phoenix facility in Mountain Pass, Calif., will have near-zero wastewater discharge. The $895 million project, which begins sequential start-up this week, will mine for the minerals bastnasite and monazite, and will use acids and bases – mostly hydrochloric acid and sodium hydroxide – to separate out […]

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