Published December 1986
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A comparative study between the dissolution and the leaching methods for the separation of rare earths, uranium and thorium from hydrous metal oxide cake obtained by the alkaline digestion of monazite
Description
Methods for the group-separation of rare-earths, thorium and uranium from hydrous metal oxide cake obtained by the alkaline digestion of monazite were studied. Leaching of the hydrous metal oxide cake at pH between 4-5 separates the elements under investigation into 3 major groups which are suitable to be used as feed materials for further purification. Total dissolution and gradient precipitation at pH 4-5 yields a poorer separation in comparison to the leaching method
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Additional details
Publishing Information
- ISBN
- 974-7399-36-9
- Imprint Pagination
- 18 p.
- Report number
- OAEP--1-125
INIS
- Country of Publication
- Thailand
- Country of Input or Organization
- Thailand
- INIS RN
- 25048917
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- EXPERIMENTAL DATA; LEACHING; MONAZITES; RARE EARTHS; SOLVENT EXTRACTION; THORIUM; URANIUM
- Descriptors DEC
- ACTINIDES; DATA; DISSOLUTION; ELEMENTS; EXTRACTION; INFORMATION; MATERIALS; METALS; MINERALS; NUMERICAL DATA; PHOSPHATE MINERALS; RADIOACTIVE MATERIALS; RADIOACTIVE MINERALS; SEPARATION PROCESSES; THORIUM MINERALS