BRPI0803710A2 - processo de descontaminação radioativa de peças, componentes e estruturas metálicas em banho de sais fundidos - Google Patents
processo de descontaminação radioativa de peças, componentes e estruturas metálicas em banho de sais fundidos Download PDFInfo
- Publication number
- BRPI0803710A2 BRPI0803710A2 BRPI0803710-8A BRPI0803710A BRPI0803710A2 BR PI0803710 A2 BRPI0803710 A2 BR PI0803710A2 BR PI0803710 A BRPI0803710 A BR PI0803710A BR PI0803710 A2 BRPI0803710 A2 BR PI0803710A2
- Authority
- BR
- Brazil
- Prior art keywords
- radioactive
- parts
- components
- structures
- salt bath
- Prior art date
Links
- 230000002285 radioactive effect Effects 0.000 title abstract 7
- 229910052751 metal Inorganic materials 0.000 title abstract 6
- 239000002184 metal Substances 0.000 title abstract 6
- 150000003839 salts Chemical class 0.000 title abstract 6
- 238000005202 decontamination Methods 0.000 title abstract 5
- 238000000034 method Methods 0.000 abstract 5
- 238000011109 contamination Methods 0.000 abstract 3
- 238000005260 corrosion Methods 0.000 abstract 3
- 230000007797 corrosion Effects 0.000 abstract 3
- 239000000203 mixture Substances 0.000 abstract 3
- 229910000975 Carbon steel Inorganic materials 0.000 abstract 2
- 239000010962 carbon steel Substances 0.000 abstract 2
- 230000003588 decontaminative effect Effects 0.000 abstract 2
- 239000003758 nuclear fuel Substances 0.000 abstract 2
- 239000003973 paint Substances 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 abstract 1
- 229910052776 Thorium Inorganic materials 0.000 abstract 1
- 229910052770 Uranium Inorganic materials 0.000 abstract 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000000356 contaminant Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 150000004679 hydroxides Chemical class 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000006193 liquid solution Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000010422 painting Methods 0.000 abstract 1
- 239000011236 particulate material Substances 0.000 abstract 1
- 239000003223 protective agent Substances 0.000 abstract 1
- 239000011253 protective coating Substances 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 239000002901 radioactive waste Substances 0.000 abstract 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 abstract 1
- DNYWZCXLKNTFFI-UHFFFAOYSA-N uranium Chemical compound [U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U] DNYWZCXLKNTFFI-UHFFFAOYSA-N 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
- G21F9/001—Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
- G21F9/002—Decontamination of the surface of objects with chemical or electrochemical processes
- G21F9/004—Decontamination of the surface of objects with chemical or electrochemical processes of metallic surfaces
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/28—Cleaning or pickling metallic material with solutions or molten salts with molten salts
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
- B09B3/25—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
- B09B3/29—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix involving a melting or softening step
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Paints Or Removers (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0803710A BRPI0803710B1 (pt) | 2008-07-04 | 2008-07-04 | processo de descontaminação radioativa de peças, componentes e estruturas metálicas em banho de sais fundidos |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0803710A BRPI0803710B1 (pt) | 2008-07-04 | 2008-07-04 | processo de descontaminação radioativa de peças, componentes e estruturas metálicas em banho de sais fundidos |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI0803710A2 true BRPI0803710A2 (pt) | 2012-02-28 |
BRPI0803710B1 BRPI0803710B1 (pt) | 2018-12-04 |
Family
ID=45699752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0803710A BRPI0803710B1 (pt) | 2008-07-04 | 2008-07-04 | processo de descontaminação radioativa de peças, componentes e estruturas metálicas em banho de sais fundidos |
Country Status (1)
Country | Link |
---|---|
BR (1) | BRPI0803710B1 (pt) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3494090B1 (en) * | 2016-08-04 | 2021-08-18 | Dominion Engineering, Inc. | Suppression of radionuclide deposition on nuclear power plant components |
-
2008
- 2008-07-04 BR BRPI0803710A patent/BRPI0803710B1/pt active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
BRPI0803710B1 (pt) | 2018-12-04 |
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B03A | Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette] | ||
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B15K | Others concerning applications: alteration of classification |
Ipc: G21F 9/00 (2006.01), C23G 1/28 (2006.01), G21F 9/2 |
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B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
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