RU2000109356A - METHOD FOR REMOVING METAL PRESENT FROM THE METAL SALT - Google Patents
METHOD FOR REMOVING METAL PRESENT FROM THE METAL SALTInfo
- Publication number
- RU2000109356A RU2000109356A RU2000109356/12A RU2000109356A RU2000109356A RU 2000109356 A RU2000109356 A RU 2000109356A RU 2000109356/12 A RU2000109356/12 A RU 2000109356/12A RU 2000109356 A RU2000109356 A RU 2000109356A RU 2000109356 A RU2000109356 A RU 2000109356A
- Authority
- RU
- Russia
- Prior art keywords
- ionic
- ionic liquid
- kcl
- ethyl
- methylimidazolium chloride
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 24
- 229910052751 metal Inorganic materials 0.000 title claims 9
- 239000002184 metal Substances 0.000 title claims 9
- 150000003839 salts Chemical class 0.000 title claims 9
- 239000000203 mixture Substances 0.000 claims 13
- 239000002608 ionic liquid Substances 0.000 claims 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 10
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims 10
- 239000012634 fragment Substances 0.000 claims 8
- 229910052747 lanthanoid Inorganic materials 0.000 claims 7
- 150000002602 lanthanoids Chemical class 0.000 claims 7
- 229910001508 alkali metal halide Inorganic materials 0.000 claims 6
- NJMWOUFKYKNWDW-UHFFFAOYSA-N 1-ethyl-3-methylimidazolium Chemical compound CCN1C=C[N+](C)=C1 NJMWOUFKYKNWDW-UHFFFAOYSA-N 0.000 claims 5
- 150000008045 alkali metal halides Chemical class 0.000 claims 5
- 239000011780 sodium chloride Substances 0.000 claims 5
- BMQZYMYBQZGEEY-UHFFFAOYSA-M 1-ethyl-3-methylimidazolium chloride Chemical compound [Cl-].CCN1C=C[N+](C)=C1 BMQZYMYBQZGEEY-UHFFFAOYSA-M 0.000 claims 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 4
- 238000005342 ion exchange Methods 0.000 claims 4
- 150000001342 alkaline earth metals Chemical class 0.000 claims 3
- 150000001768 cations Chemical class 0.000 claims 3
- 238000000605 extraction Methods 0.000 claims 3
- -1 imidazolium halide Chemical class 0.000 claims 3
- 239000012535 impurity Substances 0.000 claims 3
- 239000007788 liquid Substances 0.000 claims 3
- 238000001556 precipitation Methods 0.000 claims 3
- 229910019142 PO4 Inorganic materials 0.000 claims 2
- 230000002378 acidificating effect Effects 0.000 claims 2
- 239000003513 alkali Substances 0.000 claims 2
- 229910052783 alkali metal Inorganic materials 0.000 claims 2
- 150000001340 alkali metals Chemical class 0.000 claims 2
- 239000012736 aqueous medium Substances 0.000 claims 2
- 239000000356 contaminant Substances 0.000 claims 2
- 150000004820 halides Chemical class 0.000 claims 2
- 229910001507 metal halide Inorganic materials 0.000 claims 2
- 150000005309 metal halides Chemical class 0.000 claims 2
- 235000021317 phosphate Nutrition 0.000 claims 2
- 239000002244 precipitate Substances 0.000 claims 2
- 230000008929 regeneration Effects 0.000 claims 2
- 238000011069 regeneration method Methods 0.000 claims 2
- 238000005185 salting out Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- OXFBEEDAZHXDHB-UHFFFAOYSA-M 3-methyl-1-octylimidazolium chloride Chemical compound [Cl-].CCCCCCCCN1C=C[N+](C)=C1 OXFBEEDAZHXDHB-UHFFFAOYSA-M 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- 229910052688 Gadolinium Inorganic materials 0.000 claims 1
- 229910052772 Samarium Inorganic materials 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 239000011831 acidic ionic liquid Substances 0.000 claims 1
- 229910001615 alkaline earth metal halide Inorganic materials 0.000 claims 1
- 229910052788 barium Inorganic materials 0.000 claims 1
- 239000011830 basic ionic liquid Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 229910052792 caesium Inorganic materials 0.000 claims 1
- 150000003841 chloride salts Chemical class 0.000 claims 1
- 238000004090 dissolution Methods 0.000 claims 1
- 230000005496 eutectics Effects 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 239000003758 nuclear fuel Substances 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims 1
- 230000001376 precipitating effect Effects 0.000 claims 1
- 230000002285 radioactive effect Effects 0.000 claims 1
- 230000001172 regenerating effect Effects 0.000 claims 1
- 238000012958 reprocessing Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 229910052712 strontium Inorganic materials 0.000 claims 1
Claims (20)
(i) растворении указанных примесей в ионной жидкости с целью получения ионно-жидкостного раствора;
(ii) выделении указанных примесей из раствора осаждением или электрохимическим восстановлением;
(iii) возможном удалении примесей, остающихся в растворе, с помощью. ионного обмена; и
(iv) регенерации композиции галогенидов щелочных металлов из раствора и, при необходимости, доведение ее состава до эвтектического.16. The method according to p. 1, used to remove radioactive contaminants from the composition of alkali metal halides used in the reprocessing of nuclear fuel, which consists in
(i) dissolving said impurities in an ionic liquid in order to obtain an ionic liquid solution;
(ii) isolating said impurities from solution by precipitation or electrochemical reduction;
(iii) the possible removal of impurities remaining in the solution with. ion exchange; and
(iv) regenerating the composition of alkali metal halides from the solution and, if necessary, bringing its composition to eutectic.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9719551.5 | 1997-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU2000109356A true RU2000109356A (en) | 2002-02-20 |
Family
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