Ejaz, 1976 - Google Patents
Studies on extraction of thorium by the N-oxides of 5-(4-pyridyl) nonane and trioctylamine from different mineral acid solutions and its separation from rare earth …Ejaz, 1976
- Document ID
- 18285831286786552478
- Author
- Ejaz M
- Publication year
- Publication venue
- Talanta
External Links
Snippet
Abstract The N-oxides of 5-(4-pyridyl) nonane and trioctylamine have been evaluated for use in the extraction of thorium from different mineral acid solutions. The influence of the concentration of the solvents and salting-out agents has been investigated. The possible …
- 238000000605 extraction 0 title abstract description 39
Classifications
-
- 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
- C22B60/0252—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
- C22B60/026—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries liquid-liquid extraction with or without dissolution in organic solvents
-
- 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
-
- 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
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Scargill et al. | Tri-n-butyl phosphate as an extracting solvent for inorganic nitrates—II Yttrium and the lower lanthanide nitrates | |
Moore | Separation of zirconium from other elements by liquid-liquid extraction | |
Hesford et al. | Tri-n-butyl phosphate as an extracting solvent for inorganic nitrates—IV Thorium nitrate | |
Glendenin et al. | Radiochemical determination of cerium in fission | |
Kumar et al. | Dicyclohexano 18 crown 6 in butanol-octanol mixture: a promising extractant of Sr (II) from nitric acid medium | |
Brown et al. | Protactinium | |
Ejaz | Studies on extraction of thorium by the N-oxides of 5-(4-pyridyl) nonane and trioctylamine from different mineral acid solutions and its separation from rare earth elements and yttrium | |
Nair et al. | Tetra-butyl-malonamide and tetra-isobutyl malonamide as extractants for uranium (VI) and plutonium (IV) | |
Hara et al. | Oxidation of americium (III) with sodium bismuthate | |
US5344623A (en) | Process for the extraction of strontium from acidic solutions | |
Harmon et al. | The tetrad effect: the thiocyanate complex stability constants of some trivalent actinides | |
Davis Jr et al. | Thermodynamics of the two-phase system: water-uranyl nitrate-tributyl phosphate-Amsco 125-82 | |
US2632763A (en) | Separation process for actinium | |
Martin et al. | Liquid-liquid extraction in inorganic chemistry | |
US5510091A (en) | Method of separating transplutonium elements from lanthanides in acidic solutions by solvent extraction | |
Ramanujam et al. | Studies on the HTTA extraction of tetravalent actinides | |
Petržilová et al. | Extraction of americium, lanthanides and some fission product elements by bidentate phosphonates | |
US2892681A (en) | Separation process for zirconium and compounds thereof | |
US3463619A (en) | Solvent extraction process for purifying americium and curium | |
Shabana et al. | Studies on the extraction behaviour of zirconium from mixed aqueous media with TBP | |
US5966584A (en) | Method of separating trivalent actinides from trivalent lanthanides | |
US5256383A (en) | Process for the separation of actinides from lanthanides by the selective extraction of the actinides in an organic solvent incorporating a propane diamide | |
Iqbal et al. | Solvent extraction of technetium (VII) by 4-(5-nonyl) pyridine and its separation from uranium and some fission products | |
Ejaz et al. | Amine oxides as solvents for uranium, thorium and some fission products | |
Shabana et al. | Extraction and separation of uraniu, thorium and cerium from different mixed media with HDEHP |