Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Radioactive metal
Patent
1983-07-25
1985-10-01
Miller, Edward A.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Radioactive metal
C01G 4300
Patent
active
045445303
ABSTRACT:
A synergistic extractant combination consisting of di(2-ethylhexyl) phosphoric acid (D2EHPA) and dibutyl butyl phosphonate (DBBP) in kerosene is employed in a two-cycle separation process for the recovery of uranium from wet-process phosphoric acid. The addition of the sulfuric acid and water scrubbing steps for the recycled extractant provides no disadvantages with respect to the comtamination and dilution by the ammonium ion and water to the phosphoric acid and also no precipitation occurs in the second cycle extraction step. The advantages of this process are lower chemical cost, higher product purity and better phase separation in comparison with the previous process.
REFERENCES:
patent: 2859094 (1958-11-01), Schmitt et al.
patent: 3052514 (1962-09-01), Schmitt
patent: 3711591 (1973-01-01), Hurst et al.
patent: 4207294 (1980-07-01), Hirono
patent: 4238457 (1980-12-01), Sialino et al.
patent: 4255392 (1981-03-01), Chiang
patent: 4258014 (1981-03-01), Pyrih et al.
patent: 4332776 (1982-06-01), Stana
Blake et al, "Synergistic Uranium Extractants: Combination of Neutral Organophosphorous Compounds with Dialkylphosphorus Acids", OXNL-2259, Oak Ridge National Lab, (1959).
Hurst et al, Ind. Eng. Chem. Process Des. Develop., 11 (#1), pp. 122-128 (1972).
Chen Hsiao-Ming
Ting Gann
Tsai Ying-Ming
Institute of Nuclear Energy Research
Miller Edward A.
LandOfFree
Separation process for the recovery of uranium from wet-process does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Separation process for the recovery of uranium from wet-process , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Separation process for the recovery of uranium from wet-process will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1441561