FR3143177B1 - Procédé de dissolution d’oxydes contenant une contamination en argent et cobalt sur un substrat métallique - Google Patents
Procédé de dissolution d’oxydes contenant une contamination en argent et cobalt sur un substrat métallique Download PDFInfo
- Publication number
- FR3143177B1 FR3143177B1 FR2212931A FR2212931A FR3143177B1 FR 3143177 B1 FR3143177 B1 FR 3143177B1 FR 2212931 A FR2212931 A FR 2212931A FR 2212931 A FR2212931 A FR 2212931A FR 3143177 B1 FR3143177 B1 FR 3143177B1
- Authority
- FR
- France
- Prior art keywords
- metal substrate
- containing silver
- oxides containing
- dissolving oxides
- cobalt contamination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/50—Treatment of iron or alloys based thereon
-
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/085—Iron or steel solutions containing HNO3
-
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
La présente invention concerne un procédé de dissolution d’oxydes contenant une contamination en argent et cobalt sur un substrat métallique.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2212931A FR3143177B1 (fr) | 2022-12-07 | 2022-12-07 | Procédé de dissolution d’oxydes contenant une contamination en argent et cobalt sur un substrat métallique |
| PCT/FR2023/051926 WO2024121501A1 (fr) | 2022-12-07 | 2023-12-05 | Procédé de dissolution d'oxydes contenant une contamination en argent et cobalt sur un substrat métallique |
| EP23834270.3A EP4631067A1 (fr) | 2022-12-07 | 2023-12-05 | Procédé de dissolution d'oxydes contenant une contamination en argent et cobalt sur un substrat métallique |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2212931A FR3143177B1 (fr) | 2022-12-07 | 2022-12-07 | Procédé de dissolution d’oxydes contenant une contamination en argent et cobalt sur un substrat métallique |
| FR2212931 | 2022-12-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR3143177A1 FR3143177A1 (fr) | 2024-06-14 |
| FR3143177B1 true FR3143177B1 (fr) | 2024-12-13 |
Family
ID=85685257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR2212931A Active FR3143177B1 (fr) | 2022-12-07 | 2022-12-07 | Procédé de dissolution d’oxydes contenant une contamination en argent et cobalt sur un substrat métallique |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4631067A1 (fr) |
| FR (1) | FR3143177B1 (fr) |
| WO (1) | WO2024121501A1 (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2590716B1 (fr) | 1985-11-26 | 1992-05-15 | Electricite De France | Procede de decontamination de parois de reacteurs nucleaires, en particulier des parois du circuit primaire des reacteurs nucleaires a circuit d'eau pressurisee |
| FR2648946B1 (fr) | 1989-06-27 | 1994-02-04 | Electricite De France | Procede de dissolution d'oxyde depose sur un substrat metallique et son application a la decontamination |
| FR2699936B1 (fr) | 1992-12-24 | 1995-01-27 | Electricite De France | Procédé de dissolution d'oxydes déposés sur un substrat métallique. |
| FR2850673B1 (fr) | 2003-02-04 | 2006-09-08 | Electricite De France | Procede de dissolution d'oxydes deposes sur un substrat metallique stellite |
-
2022
- 2022-12-07 FR FR2212931A patent/FR3143177B1/fr active Active
-
2023
- 2023-12-05 EP EP23834270.3A patent/EP4631067A1/fr active Pending
- 2023-12-05 WO PCT/FR2023/051926 patent/WO2024121501A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024121501A1 (fr) | 2024-06-13 |
| FR3143177A1 (fr) | 2024-06-14 |
| EP4631067A1 (fr) | 2025-10-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PLFP | Fee payment |
Year of fee payment: 2 |
|
| PLSC | Publication of the preliminary search report |
Effective date: 20240614 |
|
| PLFP | Fee payment |
Year of fee payment: 3 |
|
| PLFP | Fee payment |
Year of fee payment: 4 |