Selective metal-ion extraction for multiple-ion liquid-liquid exchange reactions. Final report, June 1, 1979-May 31, 1982
This research in hydrometallurgical solvent extraction is to develop a fundamental means to predict selectivity during simultaneous solvent extraction of multiple metal ions when the kinetic rates and thermodynamic equilibria both do not favor the desired metal. To this end the chemical kinetics and thermodynamic chemical equilibria models for the system copper-iron-acid sulfate solutions extracted by ..beta..-alkenyl-8-hydroxy quinoline in xylene are studied. These models can be employed with appropriate design equations to predict selectivity factors for two phase contactors. The work completed and in progress during the first half of the third funding period is on chemical equilibria studies for the iron-acid-sulfate-..beta..-alkenyl-8-hydroxy quinoline-xylene system. An aqueous phase ionic equilibrium model is available which can be used to calculate concentration of various Fe(III) ionic species present. Iron extraction data were obtained using both the AKUFVE, a high intensity stirrer with an in line centrifugal separator, and a shaker bath apparatus. Analysis of the data to determine a thermodynamic equilibrium model is in progress.
- Research Organization:
- Illinois Inst. of Tech., Chicago (USA). Dept. of Chemical Engineering; Syracuse Univ., NY (USA). Dept. of Chemical Engineering and Materials Science
- DOE Contract Number:
- AS02-79ER10406
- OSTI ID:
- 5532879
- Report Number(s):
- DOE/ER/10406-T3; ON: DE82011721
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
COPPER
SOLVENT EXTRACTION
IRON
RESEARCH PROGRAMS
ACID SULFATES
AQUEOUS SOLUTIONS
CHEMICAL REACTION KINETICS
EQUILIBRIUM
INTERFACES
ORGANIC SOLVENTS
QUINOLINES
TEMPERATURE DEPENDENCE
THERMODYNAMIC MODEL
XYLENES
AROMATICS
AZINES
DISPERSIONS
ELEMENTS
EXTRACTION
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
KINETICS
MATHEMATICAL MODELS
METALS
MIXTURES
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
PARTICLE MODELS
PYRIDINES
REACTION KINETICS
SEPARATION PROCESSES
SOLUTIONS
SOLVENTS
STATISTICAL MODELS
SULFATES
SULFUR COMPOUNDS
TRANSITION ELEMENTS
400105* - Separation Procedures