BE636118A - - Google Patents
Info
- Publication number
- BE636118A BE636118A BE636118DA BE636118A BE 636118 A BE636118 A BE 636118A BE 636118D A BE636118D A BE 636118DA BE 636118 A BE636118 A BE 636118A
- Authority
- BE
- Belgium
- Prior art keywords
- cesium
- phenol
- extraction
- solution
- sep
- Prior art date
Links
- 229910052792 caesium Inorganic materials 0.000 claims description 114
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 114
- 238000000605 extraction Methods 0.000 claims description 75
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 61
- 239000000243 solution Substances 0.000 claims description 59
- 239000012074 organic phase Substances 0.000 claims description 34
- 239000012071 phase Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 19
- LLEMOWNGBBNAJR-UHFFFAOYSA-N biphenyl-2-ol Chemical compound OC1=CC=CC=C1C1=CC=CC=C1 LLEMOWNGBBNAJR-UHFFFAOYSA-N 0.000 claims description 18
- 239000007864 aqueous solution Substances 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 15
- 238000002386 leaching Methods 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 11
- 235000010292 orthophenyl phenol Nutrition 0.000 claims description 9
- 239000004306 orthophenyl phenol Substances 0.000 claims description 8
- 150000002989 phenols Chemical group 0.000 claims description 8
- 239000003085 diluting agent Substances 0.000 claims description 7
- 239000003960 organic solvent Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000003637 basic solution Substances 0.000 claims description 6
- 239000012527 feed solution Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 43
- 239000000047 product Substances 0.000 description 42
- 238000000926 separation method Methods 0.000 description 22
- 239000008346 aqueous phase Substances 0.000 description 21
- 235000011121 sodium hydroxide Nutrition 0.000 description 14
- 239000000284 extract Substances 0.000 description 12
- 230000004992 fission Effects 0.000 description 12
- 238000011084 recovery Methods 0.000 description 11
- 239000011734 sodium Substances 0.000 description 10
- 238000000638 solvent extraction Methods 0.000 description 9
- 229910052783 alkali metal Inorganic materials 0.000 description 8
- 150000001340 alkali metals Chemical class 0.000 description 8
- 239000002699 waste material Substances 0.000 description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- FEWJPZIEWOKRBE-JCYAYHJZSA-L L-tartrate(2-) Chemical compound [O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O FEWJPZIEWOKRBE-JCYAYHJZSA-L 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 230000002285 radioactive effect Effects 0.000 description 5
- 239000000700 radioactive tracer Substances 0.000 description 5
- 229940095064 tartrate Drugs 0.000 description 5
- 229940061334 2-phenylphenol Drugs 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 239000003758 nuclear fuel Substances 0.000 description 4
- 150000004707 phenolate Chemical class 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052770 Uranium Inorganic materials 0.000 description 3
- TVFDJXOCXUVLDH-RNFDNDRNSA-N cesium-137 Chemical compound [137Cs] TVFDJXOCXUVLDH-RNFDNDRNSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 229910052701 rubidium Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 description 2
- KJWMCPYEODZESQ-UHFFFAOYSA-N 4-Dodecylphenol Chemical compound CCCCCCCCCCCCC1=CC=C(O)C=C1 KJWMCPYEODZESQ-UHFFFAOYSA-N 0.000 description 2
- QJNBIFRUSFIANU-UHFFFAOYSA-N 4-butan-2-yl-2-(1-phenylethyl)phenol Chemical compound CCC(C)C1=CC=C(O)C(C(C)C=2C=CC=CC=2)=C1 QJNBIFRUSFIANU-UHFFFAOYSA-N 0.000 description 2
- DSQWWSVOIGUHAE-UHFFFAOYSA-N 4-chloro-2-phenylphenol Chemical compound OC1=CC=C(Cl)C=C1C1=CC=CC=C1 DSQWWSVOIGUHAE-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052778 Plutonium Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- NHGGJRABQHWCGJ-UHFFFAOYSA-M cesium;phenoxide Chemical class [Cs+].[O-]C1=CC=CC=C1 NHGGJRABQHWCGJ-UHFFFAOYSA-M 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000000155 isotopic effect Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 description 1
- FDIPWBUDOCPIMH-UHFFFAOYSA-N 2-decylphenol Chemical compound CCCCCCCCCCC1=CC=CC=C1O FDIPWBUDOCPIMH-UHFFFAOYSA-N 0.000 description 1
- CYEJMVLDXAUOPN-UHFFFAOYSA-N 2-dodecylphenol Chemical compound CCCCCCCCCCCCC1=CC=CC=C1O CYEJMVLDXAUOPN-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- GGZZISOUXJHYOY-UHFFFAOYSA-N 8-amino-4-hydroxynaphthalene-2-sulfonic acid Chemical compound C1=C(S(O)(=O)=O)C=C2C(N)=CC=CC2=C1O GGZZISOUXJHYOY-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 206010010071 Coma Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 206010021118 Hypotonia Diseases 0.000 description 1
- 101100465000 Mus musculus Prag1 gene Proteins 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 241000718543 Ormosia krugii Species 0.000 description 1
- 241000842783 Orna Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000000622 liquid--liquid extraction Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-M phenolate Chemical compound [O-]C1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-M 0.000 description 1
- 229940031826 phenolate Drugs 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- RTHYXYOJKHGZJT-UHFFFAOYSA-N rubidium nitrate Inorganic materials [Rb+].[O-][N+]([O-])=O RTHYXYOJKHGZJT-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-NJFSPNSNSA-N ruthenium-103 Chemical compound [103Ru] KJTLSVCANCCWHF-NJFSPNSNSA-N 0.000 description 1
- -1 saline phenolates Chemical class 0.000 description 1
- 230000008786 sensory perception of smell Effects 0.000 description 1
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- NESLWCLHZZISNB-UHFFFAOYSA-M sodium phenolate Chemical compound [Na+].[O-]C1=CC=CC=C1 NESLWCLHZZISNB-UHFFFAOYSA-M 0.000 description 1
- 239000001433 sodium tartrate Substances 0.000 description 1
- 229960002167 sodium tartrate Drugs 0.000 description 1
- 235000011004 sodium tartrates Nutrition 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- CIOAGBVUUVVLOB-OIOBTWANSA-N strontium-85 Chemical compound [85Sr] CIOAGBVUUVVLOB-OIOBTWANSA-N 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- KHAUBYTYGDOYRU-IRXASZMISA-N trospectomycin Chemical compound CN[C@H]([C@H]1O2)[C@@H](O)[C@@H](NC)[C@H](O)[C@H]1O[C@H]1[C@]2(O)C(=O)C[C@@H](CCCC)O1 KHAUBYTYGDOYRU-IRXASZMISA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D17/00—Rubidium, caesium or francium compounds
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/007—Recovery of isotopes from radioactive waste, e.g. fission products
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Extraction Or Liquid Replacement (AREA)
- Manufacture And Refinement Of Metals (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE636118A true BE636118A (enrdf_load_stackoverflow) |
Family
ID=202306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE636118D BE636118A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE636118A (enrdf_load_stackoverflow) |
-
0
- BE BE636118D patent/BE636118A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2008049807A1 (fr) | Separation groupee des actinides a partir d'une phase aqueuse fortement acide, utilisant un extractant solvatant en milieu relargant | |
| EP0559537B1 (fr) | Procédé pour séparer certains éléments à partir de solutions aqueuses issues du retraitement des combustibles nucléaires usés | |
| FR2968014A1 (fr) | Procede de separation de l'americium des autres elements metalliques presents dans une phase aqueuse acide ou organique et ses applications | |
| FR2948384A1 (fr) | Augmentation du facteur de separation entre l'americium et le curium et/ou entre des lanthanides dans une operation d'extraction liquide-liquide | |
| CA2785001C (fr) | Procede d'extraction liquide - liquide pour la purification de l'uranium issu de la dissolution nitrique d'un concentre d'uranium naturel | |
| FR2948385A1 (fr) | Procede de recuperation selective de l'americium a partir d'une phase aqueuse nitrique | |
| EP3197833A1 (fr) | Procédés de récupération sélective de terres rares présentes dans des phases aqueuses acides issues du traitement d'aimants permanents usagés ou rebutés | |
| WO1982000664A1 (en) | Process for selective extraction of germanium | |
| FR2913970A1 (fr) | Production de thorium 228 a partir d'un sel de thorium naturel | |
| EP3837701B1 (fr) | Procédé de production de plomb-212 à partir d'une solution aqueuse comprenant du thorium-228 et ses descendants | |
| LU83448A1 (fr) | Procede pour separer du germanium d'une solution aqueuse | |
| BE636118A (enrdf_load_stackoverflow) | ||
| EP3662089B1 (fr) | Procédé de séparation du palladium des autres éléments métalliques présents dans une phase aqueuse nitrique utilisant comme extractants des malonamides particuliers | |
| EP0347315B1 (fr) | Procédé pour séparer au moyen d'éthers-couronnes l'uranium et le plutonium présents dans un milieu aqueux provenant du retraitement des combustibles nucléaires irradiés | |
| FR2627477A1 (fr) | Procede de traitement de residus contenant des terres rares et du cobalt | |
| EP0251399A1 (fr) | Procédé de séparation ou de récupération de plutonium et plutonium ainsi obtenu | |
| FR2485510A1 (fr) | Procede d'extraction du palladium a partir de solutions nitriques et son application a la separation palladium-ruthenium | |
| EP4332991B1 (fr) | Procédé de désextraction d'uranium(vi) et d'un actinide(iv) d'une solution organique par précipitation oxalique | |
| EP0527685A1 (fr) | Procédé pour séparer les actinides des lanthanides par extraction sélective des actinides dans un solvant organique comprenant un propanediamide | |
| EP0433175A1 (fr) | Procédé de récupération au moyen d'un éther-couronne du plutonium (IV) présent dans des solutions telles que les éffluents aqueux, les solutions concentrées de produits de fission et les solutions concentrées de plutonium | |
| EP2670874A1 (fr) | Procede de separation d'au moins un element platinoïde d'une solution aqueuse acide comprenant, outre cet element platinoïde, un ou plusieurs autres elements chimiques | |
| FR2593494A1 (fr) | Procede de recuperation du technetium | |
| FR3150198A1 (fr) | Procede d’extraction selective du bore par un solvant organique a partir de solutions issues de l’attaque acide d’aimants permanents comprenant des terres rares | |
| FR2597253A1 (fr) | Procede pour l'amelioration de l'efficacite de la decontamination d'une solution de combustibles nucleaires et/ou de matieres fertiles contaminee avec du zirconium | |
| FR2656149A1 (fr) | Extraction de metaux tels que pu, u et sr par un solvant organique ou une phase solide comprenant l'isomere cis-syn-cis de l'ether-couronne dch18c6. |