KR840007797A - 방사성오염금속의 제염방법(除染方法) - Google Patents
방사성오염금속의 제염방법(除染方法) Download PDFInfo
- Publication number
- KR840007797A KR840007797A KR1019840000744A KR840000744A KR840007797A KR 840007797 A KR840007797 A KR 840007797A KR 1019840000744 A KR1019840000744 A KR 1019840000744A KR 840000744 A KR840000744 A KR 840000744A KR 840007797 A KR840007797 A KR 840007797A
- Authority
- KR
- South Korea
- Prior art keywords
- decontamination
- radioactive
- contaminated
- residue
- metal
- Prior art date
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
- G21F9/28—Treating solids
- G21F9/30—Processing
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Electrolytic Production Of Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 전해시간과 연마랑과의 관계를 나타낸 선도.
Claims (9)
- 방사성물질에 의해 표면이 오염된 금속을 전해제염하는 방법에 있어서 중성염의 수용액을 전해액으로서 사용하여 제염대상금속을 교번전해 함으로써 방사능으로 오염된 산화피막층 및 금속표면을 제거하는 것을 특징으로 하는 방사성오염속의 제염방법.
- 상기 교번전해에 있어서, 음국전해시간을 양극전해시간의 2∼10배로 하는 것을 특징으로 하는 톡허청구의 범위 1기재의 방사성 오염금속의 제염방법.
- 중성염은 염산염, 황산염, 질산염 및 인산염으로 이루어진 군에서 선택된 1종 또는 2종 이상의 염인 것을 특징으로 하는 특허청구의 범위 1기재의 방사성 오염금속의 제염방법.
- 방사성물질에 의해 표면이 오염된 금속을 제해제염하는 방법에 있어서, 중성염의 수용액을 전해액으로서 사용하여 제염대상금속을 교번전해함으로써 방사능으로 오염된 산화피막층 및 금속표면을 제거하며, 이어서 전해액중에 포함되는 제염잔사를 분해하여, 이 잔사에 고화재를 가하여 고화하는 것을 특징으로 하는 방사성오염속의 제염방법.
- 상기 교번전해에 있어서 음극전해시간을 양극전해시간의 2∼10내로 하는 것을 특징으로 하는 특허청구의 범위 4기재의 방사성오염금속의 제염방법.
- 중성염은 염산염, 황산염, 질산염 및 인산염으로 이루어진 군에서 선택된 21종 또는 2종 이상의 염인 것을 특징으로 하는 특허청구의 범위 4기재의 방사성오염금속의 제염방법.
- 상기 제염잔사의 분리, 고화에 있어서 제염잔사를 탈수농축후, 물유리와 혼합하여 고화하는 것을 특징으로 하는 특허청구의 범위 4기재의 방사성오염금속의 제염방법.
- 상기 제염잔사의 탈수농축에 있어서, 원심분리법을 사용하는 것을 특징으로하는 특허청구의 범위 7기재의 방사성오염금속의 제염방법.
- 제염잔사와 물유리와의 혼합비는 1 : 2∼1 : 3인 것을 특징으로 하는 특허청구의 범위 7기재의 방사성오염금속의 제염방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27703 | 1983-02-23 | ||
JP58027703A JPS59154400A (ja) | 1983-02-23 | 1983-02-23 | 放射性汚染金属の除染方法 |
JP83-27703 | 1983-02-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR840007797A true KR840007797A (ko) | 1984-12-10 |
KR900000343B1 KR900000343B1 (ko) | 1990-01-25 |
Family
ID=12228339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019840000744A KR900000343B1 (ko) | 1983-02-23 | 1984-02-16 | 방사성오염금속의 제염방법(除染方法) |
Country Status (5)
Country | Link |
---|---|
US (1) | US4481089A (ko) |
EP (1) | EP0125401B1 (ko) |
JP (1) | JPS59154400A (ko) |
KR (1) | KR900000343B1 (ko) |
DE (1) | DE3464292D1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100514612B1 (ko) * | 2002-11-14 | 2005-09-16 | 주식회사 데콘엔지니어링 | 중성염 전해연마를 이용한 방사능 오염 금속의 제염장치 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4615776A (en) * | 1983-10-21 | 1986-10-07 | Shinko-Pfaudler Company | Electrolytic decontamination process and process for reproducing decontaminating electrolyte by electrodeposition and apparatuses therefore |
FR2565021B1 (fr) * | 1984-05-25 | 1992-03-06 | Toshiba Kk | Appareil de decontamination de dechets metalliques radioactifs |
JPH0634095B2 (ja) * | 1985-03-13 | 1994-05-02 | 上村工業株式会社 | 放射能汚染金属廃棄物の除染方法 |
US4654126A (en) * | 1985-10-07 | 1987-03-31 | International Business Machines Corporation | Process for determining the plating activity of an electroless plating bath |
SE462286B (sv) * | 1988-10-13 | 1990-05-28 | Avesta Ab | Saett vid framstaellning av rostfria band och plaatar med god ytjaemnhet och glans |
US5160590A (en) * | 1989-09-06 | 1992-11-03 | Kawasaki Steel Corp. | Electrolytic processing method for electrolytically processing metal surface |
DE4110128A1 (de) * | 1990-04-09 | 1991-11-07 | Westinghouse Electric Corp | Dekontamination von radioaktiv verseuchten metallen |
US5098533A (en) * | 1991-02-06 | 1992-03-24 | International Business Machines Corp. | Electrolytic method for the etch back of encapsulated copper-Invar-copper core structures |
US5865965A (en) * | 1994-02-01 | 1999-02-02 | Kabushiki Kaisha Toshiba | Apparatus for electrochemical decontamination of radioactive metallic waste |
TW288145B (ko) * | 1994-02-01 | 1996-10-11 | Toshiba Co Ltd | |
DE4420139C1 (de) * | 1994-06-09 | 1995-12-07 | Kraftanlagen En Und Industriea | Verfahren zur elektrochemischen Dekontamination von radioaktiv belasteten Oberflächen von Metallkomponenten aus kerntechnischen Anlagen |
US7384529B1 (en) | 2000-09-29 | 2008-06-10 | The United States Of America As Represented By The United States Department Of Energy | Method for electrochemical decontamination of radioactive metal |
US20100072059A1 (en) * | 2008-09-25 | 2010-03-25 | Peters Michael J | Electrolytic System and Method for Enhanced Radiological, Nuclear, and Industrial Decontamination |
KR101289231B1 (ko) * | 2011-12-16 | 2013-07-29 | 재단법인 포항산업과학연구원 | 방사성 원소 함량이 낮은 지르콘 정광의 제조방법 |
CN104389011B (zh) * | 2014-11-27 | 2017-01-18 | 中国原子能科学研究院 | 一种电化学去污电解液 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2492047A (en) * | 1946-03-30 | 1949-12-20 | Du Pont | Bleaching wood pulp |
US2468006A (en) * | 1948-06-23 | 1949-04-19 | J H Shoemaker | Electrolytic cleaning of metal |
FR1237777A (fr) * | 1959-06-20 | 1960-08-05 | Jacquet Hispano Suiza | Perfectionnements apportés aux moyens pour séparer ou éliminer des éléments radio-actifs à la surface de pièces ou ensembles |
US3063917A (en) * | 1959-06-29 | 1962-11-13 | Combustion Eng | Anodic decontamination of zirconium and hafnium |
US3905885A (en) * | 1973-06-13 | 1975-09-16 | United States Steel Corp | Method for the electrolytic conditioning of metal tubes |
BE812192A (en) * | 1974-03-12 | 1974-07-01 | Radioactive or hazardous liquid wastes treatment - to produce solid masses suitable for storage using a silicate carrier soln. | |
JPS53120637A (en) * | 1977-03-30 | 1978-10-21 | Agency Of Ind Science & Technol | Electrolytic descaling method for steel strip or wire |
US4193853A (en) * | 1979-05-15 | 1980-03-18 | The United States Of America As Represented By The United States Department Of Energy | Decontaminating metal surfaces |
US4318786A (en) * | 1980-03-10 | 1982-03-09 | Westinghouse Electric Corp. | Electrolytic decontamination |
JPS6020720B2 (ja) * | 1980-10-30 | 1985-05-23 | 株式会社日立製作所 | 放射能で汚染された金属材料の除染方法 |
JPS5785980A (en) * | 1980-11-17 | 1982-05-28 | Hitachi Ltd | Method for removal of oxide on metallic surface |
JPS5793299A (en) * | 1980-12-02 | 1982-06-10 | Hitachi Ltd | Solidifying treatment of radioactive waste |
-
1983
- 1983-02-23 JP JP58027703A patent/JPS59154400A/ja active Granted
-
1984
- 1984-02-16 KR KR1019840000744A patent/KR900000343B1/ko not_active IP Right Cessation
- 1984-02-22 US US06/582,543 patent/US4481089A/en not_active Expired - Lifetime
- 1984-02-22 DE DE8484101859T patent/DE3464292D1/de not_active Expired
- 1984-02-22 EP EP84101859A patent/EP0125401B1/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100514612B1 (ko) * | 2002-11-14 | 2005-09-16 | 주식회사 데콘엔지니어링 | 중성염 전해연마를 이용한 방사능 오염 금속의 제염장치 |
Also Published As
Publication number | Publication date |
---|---|
DE3464292D1 (en) | 1987-07-23 |
US4481089A (en) | 1984-11-06 |
JPS59154400A (ja) | 1984-09-03 |
EP0125401A1 (en) | 1984-11-21 |
EP0125401B1 (en) | 1987-06-16 |
JPH052960B2 (ko) | 1993-01-13 |
KR900000343B1 (ko) | 1990-01-25 |
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