EP0073366A3 - Process for decontaminating steel surfaces and disposing of nuclear wastes - Google Patents
Process for decontaminating steel surfaces and disposing of nuclear wastes Download PDFInfo
- Publication number
- EP0073366A3 EP0073366A3 EP82107178A EP82107178A EP0073366A3 EP 0073366 A3 EP0073366 A3 EP 0073366A3 EP 82107178 A EP82107178 A EP 82107178A EP 82107178 A EP82107178 A EP 82107178A EP 0073366 A3 EP0073366 A3 EP 0073366A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- decontaminating
- disposing
- steel surfaces
- nuclear wastes
- wastes
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title 1
- 239000010959 steel Substances 0.000 title 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Removal Of Specific Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH5611/81 | 1981-09-01 | ||
| CH5611/81A CH653466A5 (en) | 1981-09-01 | 1981-09-01 | METHOD FOR DECONTAMINATING STEEL SURFACES AND DISPOSAL OF RADIOACTIVE SUBSTANCES. |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| EP0073366A2 EP0073366A2 (en) | 1983-03-09 |
| EP0073366A3 true EP0073366A3 (en) | 1984-03-28 |
| EP0073366B1 EP0073366B1 (en) | 1986-07-09 |
| EP0073366B2 EP0073366B2 (en) | 1990-07-11 |
Family
ID=4296502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP82107178A Expired - Lifetime EP0073366B2 (en) | 1981-09-01 | 1982-08-09 | Process for decontaminating steel surfaces and disposing of nuclear wastes |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4508641A (en) |
| EP (1) | EP0073366B2 (en) |
| CA (1) | CA1197445A (en) |
| CH (1) | CH653466A5 (en) |
| DE (1) | DE3271935D1 (en) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE34613E (en) * | 1985-05-28 | 1994-05-24 | Recytec Sa | Process for decontaminating radioactively contaminated metal or cement-containing materials |
| US4828759A (en) * | 1985-05-28 | 1989-05-09 | Jozef Hanulik | Process for decontaminating radioactivity contaminated metallic materials |
| DE3702320A1 (en) * | 1987-01-27 | 1988-08-04 | Siempelkamp Gmbh & Co | Method for disposal of radioactive wastes consisting mainly of iron oxalate |
| DE3711262A1 (en) * | 1987-04-03 | 1988-10-13 | Wacker Chemitronic | METHOD AND MEANS FOR THE REMOVAL OF REMOVAL AGENTS FROM DISC |
| US4792385A (en) * | 1987-11-03 | 1988-12-20 | Westinghouse Electric Corp. | Electrolytic decontamination apparatus and encapsulation process |
| DE3912932C1 (en) * | 1989-04-20 | 1990-06-13 | Eugen Dipl.-Chem. Dr.Phil. 6000 Frankfurt De Dumont | |
| CH678767A5 (en) * | 1989-06-30 | 1991-10-31 | Jozef Hanulik Dipl Chem | |
| US5078842A (en) * | 1990-08-28 | 1992-01-07 | Electric Power Research Institute | Process for removing radioactive burden from spent nuclear reactor decontamination solutions using electrochemical ion exchange |
| CH682023A5 (en) * | 1990-10-26 | 1993-06-30 | Recytec Sa | |
| DE4131766A1 (en) * | 1991-09-24 | 1993-03-25 | Siemens Ag | Decontamination of nuclear power station prim. cycle to remove metal oxide - by adding chelating agent to prim. coolant to dissolve contaminated oxide |
| US5306399A (en) * | 1992-10-23 | 1994-04-26 | Electric Power Research Institute | Electrochemical exchange anions in decontamination solutions |
| DE59400707D1 (en) * | 1993-02-01 | 1996-10-31 | Deco Hanulik Ag | Process for decontamination of radioactive metal surfaces |
| US5545795A (en) * | 1993-02-01 | 1996-08-13 | Deco-Hanulik Ag | Method for decontaminating radioactive metal surfaces |
| US5305360A (en) * | 1993-02-16 | 1994-04-19 | Westinghouse Electric Corp. | Process for decontaminating a nuclear reactor coolant system |
| GB9325323D0 (en) * | 1993-12-10 | 1994-02-16 | British Nuclear Fuels Plc | Decontamination of metals |
| US5564105A (en) * | 1995-05-22 | 1996-10-08 | Westinghouse Electric Corporation | Method of treating a contaminated aqueous solution |
| GB9610647D0 (en) * | 1996-05-21 | 1996-07-31 | British Nuclear Fuels Plc | Decontamination of metal |
| US6084146A (en) * | 1996-09-12 | 2000-07-04 | Consolidated Edison Company Of New York, Inc. | Immobilization of radioactive and hazardous contaminants and protection of surfaces against corrosion with ferric oxides |
| US6288300B1 (en) | 1996-09-12 | 2001-09-11 | Consolidated Edison Company Of New York, Inc. | Thermal treatment and immobilization processes for organic materials |
| US6973154B2 (en) * | 1998-09-29 | 2005-12-06 | Hitachi, Ltd. | Method of chemical decontamination and system therefor |
| JP4020512B2 (en) * | 1998-09-29 | 2007-12-12 | 株式会社日立製作所 | Chemical decontamination method and apparatus |
| DE19851852A1 (en) * | 1998-11-10 | 2000-05-11 | Siemens Ag | Process for the decontamination of a surface of a component |
| DE10238730A1 (en) * | 2002-08-23 | 2004-03-04 | Framatome Anp Gmbh | Process for cleaning the steam generator of a pressurized water reactor |
| KR100724710B1 (en) * | 2002-11-21 | 2007-06-04 | 가부시끼가이샤 도시바 | System and method for chemical decontamination of radioactive material |
| DE102004024722B4 (en) * | 2004-05-19 | 2011-05-26 | Enbw Kraftwerke Ag Kernkraftwerk Philippsburg | Binding of radioactive iodine in a nuclear reactor |
| JP3945780B2 (en) * | 2004-07-22 | 2007-07-18 | 株式会社日立製作所 | Radionuclide adhesion suppression method and film forming apparatus for nuclear plant components |
| DE102005020630A1 (en) * | 2005-05-03 | 2006-11-23 | Süd-Chemie AG | Preparation of Cu / Zn / Al catalysts via the formate route |
| JP4567542B2 (en) * | 2005-07-14 | 2010-10-20 | 日立Ｇｅニュークリア・エナジー株式会社 | Method for suppressing radionuclide adhesion to nuclear plant components |
| DE102007038947A1 (en) * | 2007-08-17 | 2009-02-26 | Areva Np Gmbh | Method of decontaminating surfaces of nuclear installations contaminated with alpha emitters |
| EP2031048B2 (en) * | 2007-08-31 | 2019-05-01 | The Procter and Gamble Company | Liquid acidic hard surface cleaning composition |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB926401A (en) * | 1960-08-10 | 1963-05-15 | Dow Chemical Co | Scale removal |
| DE1162695B (en) * | 1961-01-27 | 1964-02-06 | Benckiser Gmbh Joh A | Process for rendering radioactive substances harmless |
| BE871631A (en) * | 1978-10-27 | 1979-04-27 | Centre Rech Metallurgique | PROCESS FOR CONTINUOUS PICKLING OF STEEL SHEETS. |
| GB2064852A (en) * | 1979-12-10 | 1981-06-17 | Ca Atomic Energy Ltd | Decontaminating reagents for radioactive systems |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873362A (en) * | 1973-05-29 | 1975-03-25 | Halliburton Co | Process for cleaning radioactively contaminated metal surfaces |
| US4220550A (en) * | 1978-12-06 | 1980-09-02 | The Dow Chemical Company | Composition and method for removing sulfide-containing scale from metal surfaces |
-
1981
- 1981-09-01 CH CH5611/81A patent/CH653466A5/en not_active IP Right Cessation
-
1982
- 1982-08-09 EP EP82107178A patent/EP0073366B2/en not_active Expired - Lifetime
- 1982-08-09 DE DE8282107178T patent/DE3271935D1/en not_active Expired
- 1982-08-27 US US06/412,375 patent/US4508641A/en not_active Expired - Fee Related
- 1982-08-30 CA CA000410418A patent/CA1197445A/en not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB926401A (en) * | 1960-08-10 | 1963-05-15 | Dow Chemical Co | Scale removal |
| DE1162695B (en) * | 1961-01-27 | 1964-02-06 | Benckiser Gmbh Joh A | Process for rendering radioactive substances harmless |
| BE871631A (en) * | 1978-10-27 | 1979-04-27 | Centre Rech Metallurgique | PROCESS FOR CONTINUOUS PICKLING OF STEEL SHEETS. |
| GB2064852A (en) * | 1979-12-10 | 1981-06-17 | Ca Atomic Energy Ltd | Decontaminating reagents for radioactive systems |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0073366A2 (en) | 1983-03-09 |
| US4508641A (en) | 1985-04-02 |
| CA1197445A (en) | 1985-12-03 |
| CH653466A5 (en) | 1985-12-31 |
| EP0073366B1 (en) | 1986-07-09 |
| DE3271935D1 (en) | 1986-08-14 |
| EP0073366B2 (en) | 1990-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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| ITCL | It: translation for ep claims filed |
Representative=s name: STUDIO PRO-PAT S.R.L. |
|
| AK | Designated contracting states |
Designated state(s): BE DE FR GB IT SE |
|
| EL | Fr: translation of claims filed | ||
| 17P | Request for examination filed |
Effective date: 19830903 |
|
| PUAL | Search report despatched |
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| AK | Designated contracting states |
Designated state(s): BE DE FR GB IT SE |
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| GRAA | (expected) grant |
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| ET | Fr: translation filed | ||
| REF | Corresponds to: |
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| ITF | It: translation for a ep patent filed |
Owner name: ING. A. GIAMBROCONO & C. S.R.L. |
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| BECN | Be: change of holder's name |
Effective date: 19860709 |
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| 26 | Opposition filed |
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| PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
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| R26 | Opposition filed (corrected) |
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| PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
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| R26 | Opposition filed (corrected) |
Opponent name: SIEMENS AKTIENGESELLSCHAFT, BERLIN UND MUENCHEN Effective date: 19870409 |
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| PUAH | Patent maintained in amended form |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 27A | Patent maintained in amended form |
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| ET3 | Fr: translation filed ** decision concerning opposition | ||
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