Extraction of uranium with diphosphonic compounds

Details Extraction of uranium with diphosphonic compounds Extraction of uranium with diphosphonic compounds

1980-07-07

1984-07-17

Miller, Edward A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

260932, C01G 4300

Patent

active

044605480

ABSTRACT:
New diphosphonic acid diesters in which the two phosphorus atoms are bound by a hydrocarbon group while each of the two acid functions of the diphosphonate is esterified by a radical having at least three carbon atoms are suitable for various known uses of the different diphosphonates and in particular for the complexing of heavy metals; they are used in particular for the extraction of uranium and metals associated with it.

REFERENCES:
patent: 2765279 (1956-10-01), Nusslein
patent: 3256370 (1966-06-01), Fitch et al.
patent: 3471552 (1969-10-01), Budnick
patent: 3534125 (1970-10-01), Knollmueller
patent: 3743688 (1973-07-01), Nicholson et al.
patent: 3993728 (1976-11-01), Schulz
patent: 4105741 (1978-08-01), Wiewiorowski et al.
Hurst, "Solvent Extraction of Uranium from Wet Process Phosphoric Acid", ORNL-TM-2522, p. 39, (1969).

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