A study on photochemical separation of rare earths: The separation of europium from an industrial concentrate material of samarium, europium, and gadolinium
Journal Article
·
· Separation Science and Technology; (United States)
OSTI ID:6020894
- Tianjin Inst. of Tech. (China)
- Tianjin Univ. (China)
Eu can be separated by photoreduction from the Sm, Eu, and Gd concentrate in a mixed alcohol (ethanol and isopropanol) system by using a high-pressure mercury lamp as the light source. The influencing factors, such as the concentration of EtOH-isopropanol, irradiation time, and the lamp power, on the photoreduction were investigated in detail in this research, and the optimum technological conditions were determined. The separation coefficients were {beta}{sub Gd/Eu} > {beta}{sub Sm/Eu} = 960, and the yield of Eu(II) is 95%. The purity of Eu obtained is 92%.
- OSTI ID:
- 6020894
- Journal Information:
- Separation Science and Technology; (United States), Journal Name: Separation Science and Technology; (United States) Vol. 26:2; ISSN SSTED; ISSN 0149-6395
- Country of Publication:
- United States
- Language:
- English
Similar Records
Separation of Eu from Sm/Eu/Gd mixture by photoreductive stripping in solvent extraction process
SEPARATION OF CERTAIN RARE EARTH ELEMENTS BY A DRY METHOD. APPLICATION TO SAMARIUM AND EUROPIUM
THE FABRICATION OF FIVE RARE EARTH METALS. THE MECHANICAL CONVERSION OF SAMARIUM, EUROPIUM, GADOLINIUM, DYSPROSIUM, AND ERBIUM TO SHEET
Journal Article
·
Sat Dec 31 23:00:00 EST 1994
· Industrial and Engineering Chemistry Research; (United States)
·
OSTI ID:6800346
SEPARATION OF CERTAIN RARE EARTH ELEMENTS BY A DRY METHOD. APPLICATION TO SAMARIUM AND EUROPIUM
Journal Article
·
Mon Sep 23 00:00:00 EDT 1957
· Compt. rend.
·
OSTI ID:4350081
THE FABRICATION OF FIVE RARE EARTH METALS. THE MECHANICAL CONVERSION OF SAMARIUM, EUROPIUM, GADOLINIUM, DYSPROSIUM, AND ERBIUM TO SHEET
Technical Report
·
Wed Dec 14 23:00:00 EST 1960
·
OSTI ID:4078371
Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105* -- Separation Procedures
400500 -- Photochemistry
ALCOHOLS
CHEMICAL ANALYSIS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHROMATOGRAPHY
DATA
DECOMPOSITION
DISPERSIONS
ELECTROMAGNETIC RADIATION
ELEMENTS
ETHANOL
EUROPIUM
EXPERIMENTAL DATA
GADOLINIUM
GAS CHROMATOGRAPHY
HYDROXY COMPOUNDS
INFORMATION
IRRADIATION
KINETICS
MANAGEMENT
MATERIALS RECOVERY
METALS
MIXTURES
NONDESTRUCTIVE ANALYSIS
NUMERICAL DATA
OPTIMIZATION
ORGANIC COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOLYSIS
PROCESSING
PROPANOLS
PURIFICATION
RADIATIONS
RARE EARTHS
REACTION KINETICS
RECOVERY
REDUCTION
SAMARIUM
SEPARATION PROCESSES
SOLUBILITY
VISIBLE RADIATION
WASTE MANAGEMENT
WASTE PROCESSING
X-RAY EMISSION ANALYSIS
X-RAY FLUORESCENCE ANALYSIS
400105* -- Separation Procedures
400500 -- Photochemistry
ALCOHOLS
CHEMICAL ANALYSIS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHROMATOGRAPHY
DATA
DECOMPOSITION
DISPERSIONS
ELECTROMAGNETIC RADIATION
ELEMENTS
ETHANOL
EUROPIUM
EXPERIMENTAL DATA
GADOLINIUM
GAS CHROMATOGRAPHY
HYDROXY COMPOUNDS
INFORMATION
IRRADIATION
KINETICS
MANAGEMENT
MATERIALS RECOVERY
METALS
MIXTURES
NONDESTRUCTIVE ANALYSIS
NUMERICAL DATA
OPTIMIZATION
ORGANIC COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOLYSIS
PROCESSING
PROPANOLS
PURIFICATION
RADIATIONS
RARE EARTHS
REACTION KINETICS
RECOVERY
REDUCTION
SAMARIUM
SEPARATION PROCESSES
SOLUBILITY
VISIBLE RADIATION
WASTE MANAGEMENT
WASTE PROCESSING
X-RAY EMISSION ANALYSIS
X-RAY FLUORESCENCE ANALYSIS