PL400235A1 - Method for disposal of radioactive waste in a synthetic rock - Google Patents
Method for disposal of radioactive waste in a synthetic rockInfo
- Publication number
- PL400235A1 PL400235A1 PL400235A PL40023512A PL400235A1 PL 400235 A1 PL400235 A1 PL 400235A1 PL 400235 A PL400235 A PL 400235A PL 40023512 A PL40023512 A PL 40023512A PL 400235 A1 PL400235 A1 PL 400235A1
- Authority
- PL
- Poland
- Prior art keywords
- synroc
- radioactive waste
- sol
- metals
- disposal
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000002901 radioactive waste Substances 0.000 title abstract 2
- 239000011435 rock Substances 0.000 title 1
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 abstract 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 150000002739 metals Chemical class 0.000 abstract 2
- 229910052779 Neodymium Inorganic materials 0.000 abstract 1
- 229960005070 ascorbic acid Drugs 0.000 abstract 1
- 235000010323 ascorbic acid Nutrition 0.000 abstract 1
- 239000011668 ascorbic acid Substances 0.000 abstract 1
- 229910052792 caesium Inorganic materials 0.000 abstract 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 abstract 1
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 abstract 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract 1
- 229910017052 cobalt Inorganic materials 0.000 abstract 1
- 239000010941 cobalt Substances 0.000 abstract 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 1
- 230000000536 complexating effect Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 abstract 1
- 230000003472 neutralizing effect Effects 0.000 abstract 1
- 150000002823 nitrates Chemical class 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 239000000941 radioactive substance Substances 0.000 abstract 1
- 238000003980 solgel method Methods 0.000 abstract 1
- 229910052712 strontium Inorganic materials 0.000 abstract 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 abstract 1
- QDZRBIRIPNZRSG-UHFFFAOYSA-N titanium nitrate Inorganic materials [O-][N+](=O)O[Ti](O[N+]([O-])=O)(O[N+]([O-])=O)O[N+]([O-])=O QDZRBIRIPNZRSG-UHFFFAOYSA-N 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
Classifications
-
- 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
- G21F9/04—Treating liquids
- G21F9/06—Processing
- G21F9/16—Processing by fixation in stable solid media
- G21F9/162—Processing by fixation in stable solid media in an inorganic matrix, e.g. clays, zeolites
-
- 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
- G21F9/28—Treating solids
- G21F9/30—Processing
- G21F9/301—Processing by fixation in stable solid media
-
- 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
- G21F9/28—Treating solids
- G21F9/34—Disposal of solid waste
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Przedmiotem wynalazku jest sposób unieszkodliwiania odpadów radioaktywnych zmodyfikowaną metodą zol-żel poprzez ich zamknięcie w trwałe struktury krystalograficzne ceramicznych materiałów synroc typu perovskite. Sposób polega na tym, że do wytworzonego uprzednio bezchlorkowego roztworu koloidalnego, korzystnie Ti(NO3)4 dodaje się związek kompleksujący, korzystnie kwas askorbinowy ASC, w stosunku do sumy moli metali od 0.1 do 0.3 i wprowadza węglan wapnia oraz pierwiastki wchodzące w skład wysokoaktywnych odpadów promieniotwórczych, w postaci węglanów lub azotanów, zwłaszcza strontu, kobaltu, cezu i neodymu, w stosunku molowym od 2% do 14% poszczególnych metali (Me) zastępując tym samym od 2% do 14% molowych, uprzednio wprowadzonego Ca2+, tak otrzymany zol, odparowuje się, suszy i poddaje obróbce temperaturowej oraz ewentualnie analizie XRD i IR, po czym prekursor synrocu pastylkuje się i wypraża w temperaturze 1200°C w czasie 2h.The subject of the invention is a method of neutralizing radioactive waste using the modified sol-gel method by enclosing it in permanent crystallographic structures of synroc ceramic materials of the perovskite type. The method consists in adding a complexing compound, preferably ascorbic acid ASC, to the previously prepared chloride-free colloidal solution, preferably Ti(NO3)4, in relation to the sum of moles of metals from 0.1 to 0.3 and introduces calcium carbonate and elements included in high-active waste radioactive substances, in the form of carbonates or nitrates, especially strontium, cobalt, cesium and neodymium, in a molar ratio of 2% to 14% of individual metals (Me), thus replacing from 2% to 14% of the previously introduced Ca2+, the sol thus obtained, is evaporated, dried and subjected to temperature treatment and optionally XRD and IR analysis, after which the synroc precursor is pelletized and calcined at 1200°C for 2h.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL400235A PL223603B1 (en) | 2012-08-03 | 2012-08-03 | Method for disposal of radioactive waste in a synthetic rock |
| EP13176463.1A EP2693443B1 (en) | 2012-08-03 | 2013-07-15 | Method of disposal of radioactive waste in "synthetic rock" |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL400235A PL223603B1 (en) | 2012-08-03 | 2012-08-03 | Method for disposal of radioactive waste in a synthetic rock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL400235A1 true PL400235A1 (en) | 2014-02-17 |
| PL223603B1 PL223603B1 (en) | 2016-10-31 |
Family
ID=48783085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL400235A PL223603B1 (en) | 2012-08-03 | 2012-08-03 | Method for disposal of radioactive waste in a synthetic rock |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2693443B1 (en) |
| PL (1) | PL223603B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110310753B (en) * | 2019-07-18 | 2020-10-30 | 西南科技大学 | Method for solidifying radionuclide fission product cesium by using perovskite structure oxide |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL198039A1 (en) | 1977-05-10 | 1977-09-26 | Pomorsk Z App El | TIME RELAY, ESPECIALLY FOR ELECTRICAL SYSTEMS, MINE SWITCHES |
| PL172618B1 (en) | 1993-09-29 | 1997-10-31 | Inst Fiziki Jadrowej | A method of producing high-temperature superconductors |
-
2012
- 2012-08-03 PL PL400235A patent/PL223603B1/en unknown
-
2013
- 2013-07-15 EP EP13176463.1A patent/EP2693443B1/en not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| PL223603B1 (en) | 2016-10-31 |
| EP2693443A2 (en) | 2014-02-05 |
| EP2693443A3 (en) | 2015-04-29 |
| EP2693443B1 (en) | 2017-01-11 |
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