Ion-exchange separation of scandium from thorium (in Russian)
The influence of various factors on separation of thorium from scandium was investigated with the aid of a fractional factorial experiment. The most important characteristics of separation of thorium and scandium are the dynamic exchange capacity of the cation-exchanger for thorium (Y/sub 1/(DEC, meq Th/sup 4 +//g)) and the amount of scandium entering the effluent before breakthrough of thorium (Y/sub 2/ (%)), and the authors therefore adopted these characteristics as the response functions. The variable factors studied were X/sub 1/, the pH of the solution of thorium and scandium chlorides (2.7-3.3); X/sub 2/, the thorium concentration (6.4-14.0 g/liter); X/sub 3/, the flow rate of the solution through the column (0.2-0.8 ml/(min x cm/sup 2/)); X/sub 4/, the ratio of the height of the resin bed to the column diameter (4-10), generating the relation X/sub 4/ = X/sub 1/ x X/sub 2/ x X/sub 3/.
- OSTI ID:
- 6251446
- Journal Information:
- J. Appl. Chem. USSR (Engl. Transl.); (United States), Vol. 59:4; Other Information: Translated from Zh. Prikl. Khim.; 59: No. 4, 898-900(Apr 1986)
- Country of Publication:
- United States
- Language:
- Russian
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ORGANIC ION EXCHANGERS
MATERIALS TESTING
SCANDIUM
ADSORPTION
ION EXCHANGE
THORIUM
PURIFICATION
ADSORBENTS
CHEMICAL REACTION KINETICS
CHEMICAL REACTION YIELD
EFFICIENCY
OPTIMIZATION
QUANTITY RATIO
RESINS
SCANDIUM CHLORIDES
SORPTIVE PROPERTIES
THORIUM CHLORIDES
ACTINIDE COMPOUNDS
ACTINIDES
CHLORIDES
CHLORINE COMPOUNDS
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
ION EXCHANGE MATERIALS
KINETICS
MATERIALS
METALS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERS
REACTION KINETICS
SCANDIUM COMPOUNDS
SORPTION
SURFACE PROPERTIES
TESTING
THORIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
YIELDS
050400* - Nuclear Fuels- Feed Processing
400201 - Chemical & Physicochemical Properties