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Selective extraction of zinc(II) over iron(II) from spent hydrochloric acid pickling effluents by liquid–liquid extraction

Solvent ExtractionChemical EngineeringEngineeringHydrochloric AcidSelective SeparationWater PurificationSeparation TechnologyWater TreatmentAnalytical ChemistryLiquid–liquid ExtractionSelective ExtractionChemistryAdvanced SeparationMineral ProcessingWastewater Treatment