Definition of "hydrometallurgical" [hy•dro•met•al•lur•gic•al]

• Of or pertaining to hydrometallurgy (adjective)

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• "The hydrometallurgical recovery of arsenic from flue dusts."
• "The outlook for the sulfuric acid technology market remains positive due to numerous hydrometallurgical copper plants which require sulfuric acid in leaching processes."
• "The outlook for the sulfuric acid technology market remains positive due to the strong activity in copper projects which require sulfuric acid in hydrometallurgical processes."