Process for the selective separation of uranium and molybdenum w

Details Process for the selective separation of uranium and molybdenum w Process for the selective separation of uranium and molybdenum w

1981-06-09

1983-04-26

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 54, C01G 4300, C01G 3900

Patent

active

043812864

ABSTRACT:
The present invention relates to a process for the selective separation of uranium and molybdenum which are contained in an extract resulting from an amino solvent liquid-liquid extraction of a solution resulting from an attack on a molybdo-uraniferous ore by means of sulphuric acid, and which comprises re-extraction of the uranium in the presence of an oxidizing agent by means of an acid solution of an alkali metal chloride, followed by re-extraction of the molybdenum by means of an alkali metal carbonate solution. This process is characterized by using an oxidizing agent such as hydrogen peroxide, a small amount of which is added to the acid alkali metal chloride solution before the latter is brought into contact with the extract. This makes it possible to achieve selective separation of the uranium and molybdenum. This process can be used wherever molybdo-uraniferous ores are treated and where there is a requirement to produce a uranium concentrate which complies with the limits set in regard to the molybdenum content.

REFERENCES:
patent: 3052513 (1962-09-01), Crouse
patent: 3083076 (1963-03-01), Drobnick et al.
patent: 3156524 (1964-11-01), Drobnick et al.
patent: 3223476 (1965-12-01), Hart et al.
patent: 3241909 (1966-03-01), Henrickson
patent: 4188361 (1980-02-01), Bowden

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