Process for obtaining a uranium-bearing concentrate of high puri

Details Process for obtaining a uranium-bearing concentrate of high puri Process for obtaining a uranium-bearing concentrate of high puri

1987-06-18

1990-01-16

Miller, Edward A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 11, 423 16, C01G 4300

Patent

active

048942090

ABSTRACT:
The invention has as its object a process for the purification of a uranium solution which is contaminated by zirconium. This process consists of bringing the pH of the solution to a value of 1 to 3, then adjusting the pH of the said solution to, and maintaining it at a value of 2.5 to 3 while raising the temperature to a value of around 30.degree. to around 60.degree. C. for a period sufficiently long that there occurs a selective precipitation of at least 70% of the zirconium while the uranium remains in the dissolved state.

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patent: 4451439 (1984-05-01), Maurel et al.
patent: 4524001 (1985-06-01), Voubert
patent: 4675166 (1987-06-01), Joubert

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