Equilibrium solubilities of LiFeO/sub 2/ and (Li,K)/sub 2/CrO/sub 4/ in molten alkali carbonates at 650/sup 0/C. [Lithium and potassium chromates]
The equilibrium solubilities of LiFeO/sub 2/ and (Li,K)/sub 2/CrO/sub 4/ in 62% Li/sub 2/CO/sub 3/-38% K/sub 2/CO/sub 3/ were quantitatively measured at 650/sup 0/C under simulated oxidizing gas environments of molten carbonate fuel cells. Both materials in the carbonate mixture were dissolved according to a physical dissolution process, where the solubilities of LiFeO/sub 2/ and (Li,K)/sub 2/CrO/sub 4/ are independent of partial pressures of CO/sub 2/ and O/sub 2/. Equilibrium solubilities of LiFeO/sub 2/ and (Li,K)/sub 2/CrO/sub 4/ in the carbonate mixture were determined to be 77 wppm of iron and 13.7 wt % of chromium, respectively. 14 refs., 7 figs.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 5279867
- Report Number(s):
- ORNL/TM-10142; ON: DE86015905
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
30 DIRECT ENERGY CONVERSION
300505 -- Fuel Cells-- Electrochemistry
Mass Transfer & Thermodynamics
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALI METAL COMPOUNDS
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CARBONATES
CHALCOGENIDES
CHROMATES
CHROMIUM COMPOUNDS
DATA
DIAGRAMS
ELEMENTS
EQUILIBRIUM
EXPERIMENTAL DATA
HIGH TEMPERATURE
INFORMATION
IRON COMPOUNDS
IRON OXIDES
LITHIUM CARBONATES
LITHIUM COMPOUNDS
LITHIUM OXIDES
MOLTEN SALTS
NONMETALS
NUMERICAL DATA
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PARTIAL PRESSURE
PHASE DIAGRAMS
POTASSIUM CARBONATES
POTASSIUM COMPOUNDS
SALTS
SOLUBILITY
SOLVENT PROPERTIES
TRANSITION ELEMENT COMPOUNDS
300505 -- Fuel Cells-- Electrochemistry
Mass Transfer & Thermodynamics
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALI METAL COMPOUNDS
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CARBONATES
CHALCOGENIDES
CHROMATES
CHROMIUM COMPOUNDS
DATA
DIAGRAMS
ELEMENTS
EQUILIBRIUM
EXPERIMENTAL DATA
HIGH TEMPERATURE
INFORMATION
IRON COMPOUNDS
IRON OXIDES
LITHIUM CARBONATES
LITHIUM COMPOUNDS
LITHIUM OXIDES
MOLTEN SALTS
NONMETALS
NUMERICAL DATA
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PARTIAL PRESSURE
PHASE DIAGRAMS
POTASSIUM CARBONATES
POTASSIUM COMPOUNDS
SALTS
SOLUBILITY
SOLVENT PROPERTIES
TRANSITION ELEMENT COMPOUNDS