Apostolidis et al., 1991 - Google Patents
The Extraction of Acitnides and Other Constituents from Highly Active Waste (HAW) by Trialkyl Phosphine Oxide (TRPO)Apostolidis et al., 1991
- Document ID
- 1290827539733100877
- Author
- Apostolidis C
- De Meester R
- Koch L
- Molinet R
- Liang J
- Zhu Y
- Publication year
- Publication venue
- New Separation Chemistry Techniques for Radioactive Waste and Other Specific Applications
External Links
Snippet
The removal of actinides, including the major actinides U, Pu and especially the minor actinides Am, Cm and Np from highly radioactive waste (HAW) would reduce the radiological hazard of the HAW. Over the past decade, several organic extractants have …
- 238000000605 extraction 0 title description 37
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/42—Reprocessing of irradiated fuel
- G21C19/44—Reprocessing of irradiated fuel of irradiated solid fuel
- G21C19/46—Aqueous processes, e.g. by using organic extraction means, including the regeneration of these means
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
- C22B60/02—Obtaining thorium, uranium, or other actinides
- C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
- C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
- C22B60/0221—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching
- C22B60/0226—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors
- C22B60/0239—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors nitric acid containing ion as active agent
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