KR910003402A - 금속 또는 콘크리트 함유물질의 방사능 검사방법 - Google Patents
금속 또는 콘크리트 함유물질의 방사능 검사방법 Download PDFInfo
- Publication number
- KR910003402A KR910003402A KR1019900010530A KR900010530A KR910003402A KR 910003402 A KR910003402 A KR 910003402A KR 1019900010530 A KR1019900010530 A KR 1019900010530A KR 900010530 A KR900010530 A KR 900010530A KR 910003402 A KR910003402 A KR 910003402A
- Authority
- KR
- South Korea
- Prior art keywords
- fluoroboric acid
- substance
- bath
- decontamination
- solution
- Prior art date
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/167—Measuring radioactive content of objects, e.g. contamination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/02—Collecting means for receiving or storing samples to be investigated and possibly directly transporting the samples to the measuring arrangement; particularly for investigating radioactive fluids
- G01T7/06—Collecting means for receiving or storing samples to be investigated and possibly directly transporting the samples to the measuring arrangement; particularly for investigating radioactive fluids by electrostatic precipitation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measurement Of Radiation (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 공지기술에 따라 시험방법의 개략도,
제2도는 본 발명에 따른 시험방법의 작업공정도,
제3도는 기하의 화학적변형의 개략도,
제4도는 기하의 전기-화학적 변형의 개략도.
Claims (12)
1차단계에서 오염의 러프반점 시험을 실행하고 그후 탈오염도 측정에 대하여 한계치 범위나 또는 그 이하인 대상물을 2차 단계에서 플루오르붕산조에 넣어 용해시켜서 측정가능한 형태로 만들고, 또한 이 방법에 따라 탈오염도를 측정하기 위해 시험 재료를 변형시킨 후 탈오염도 측정시험의 사전결정된 한계치 이하의 물질을 무제한으로 재-사용하는 것을 특징으로 하는 금속 혹은 콘크리이트를 함유한 방사능 오염물질의 탈오염도 측정시험 방법.
제1항에 있어서, 측정치가 너무 높아서 방사선 농도의 반점 검사후 제거된 오염물질을 2차 단계로 보내기전에 먼저 그 표면에 오염을 제거하는 것을 특징으로 하는 방법.
제1항에 있어서, 플루오르붕산조에 용해된 물질을 교반하여 균질한 분포의 용액으로 만들고 결과적으로 이 용액에서 물질의 방사능을 수득할 수 있는 것을 특징으로 하는 방법.
제1항에 있어서, 플루오르붕산조의 용액에 들어있는 물질을 2차 용기에 펌프로 옮겨담고 이 과정에서 방사능 농도를 측정할 탐지기에 상기의 용액이 통과하여 측정된 값이 결과적으로 이 용액에서 수득한 물질의 방사능에 관계하는 것을 특징으로 하는 방법.
제1항에 있어서, 플루오르붕산조에 용해된 물질이 화학적으로 변형되고 그 변형물을 시험하는 것을 특징으로 하는 방법.
제1항에 있어서, 침전법에 따라 화학적 변형되고 이 침전 물질을 시험하는 것을 특징으로 하는 방법.
제1항에 있어서, 플루오르붕산조에 용해한 물질을 전기화학적으로 침전시키고 그 침전물질을 시험하는 것을 특징으로 하는 금속을 함유한 방사능 오염물질의 탈오염도 측정 시험방법.
제7항에 있어서, 오염물질을 플루오르붕산조에 있는 양극에 연결하고 또한 측정가능한 기하형태의 음극판에 침전시키는 것을 특징으로 하는 방법.
제1항에 있어서, 조에 들어있는 플루오르붕산은 가압수 반응기에서 나온 오염된 붕산을 증류시키고 여기에 플루오르산을 첨가하여 수득한 것인 방법.
제2항에 있어서, 조에 들어있는 플루오르붕산을 또한 오염 제거 수단으로 이용하는 것을 특징으로 하는 방법.
제10항에 있어서, 오염된 플루오르붕산은 침전매질을 첨가하여 재생하고 그 결과로 생성되어 가라앉은 흡착성 방사능물질 슬러지는 방사능 처리용 콘크리트 또한/또는 역청으로 고형화하는 것을 특징으로 하는 방법.
제11항에 있어서, Ca2+이온, 규산용액, 옥살산 또한 황화물을 함유한 그룹의 물질을 침전제로 사용하는 것을 특징으로 하는 방법.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2445/89A CH678767A5 (ko) | 1989-06-30 | 1989-06-30 | |
CH0244589-6 | 1989-07-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR910003402A true KR910003402A (ko) | 1991-02-27 |
Family
ID=4233991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900010530A KR910003402A (ko) | 1989-06-30 | 1990-07-12 | 금속 또는 콘크리트 함유물질의 방사능 검사방법 |
Country Status (12)
Country | Link |
---|---|
US (1) | US5128266A (ko) |
EP (1) | EP0406158A3 (ko) |
JP (1) | JPH0339681A (ko) |
KR (1) | KR910003402A (ko) |
BG (1) | BG92350A (ko) |
CA (1) | CA2019523A1 (ko) |
CH (1) | CH678767A5 (ko) |
CS (1) | CS320490A2 (ko) |
DD (1) | DD296370A5 (ko) |
FI (1) | FI902644A0 (ko) |
HU (1) | HUT57446A (ko) |
RU (1) | RU2029402C1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9422539D0 (en) * | 1994-11-04 | 1995-01-04 | British Nuclear Fuels Plc | Decontamination processes |
JP2002507765A (ja) | 1998-03-18 | 2002-03-12 | イー−インク コーポレイション | 電気泳動ディスプレイおよびそのディスプレイにアドレスするためのシステム |
DE102005061106A1 (de) * | 2005-12-19 | 2007-06-21 | Westinghouse Electric Germany Gmbh | Verfahren und System für eine bedarfsgerechte und vorausschauende Handhabung und/oder Verwertung von strahlenbelastetem Material |
IT1402751B1 (it) * | 2010-11-12 | 2013-09-18 | Ecir Eco Iniziativa E Realizzazioni S R L | Metodo per il condizionamento di scorie derivate da smaltimento di impianti nucleari |
CN111910081A (zh) * | 2020-08-11 | 2020-11-10 | 广州市的力信息技术有限公司 | 一种含241Am金属废料的分离方法 |
DE102020129358A1 (de) | 2020-11-06 | 2022-05-12 | Safetec Entsorgungs- Und Sicherheitstechnik Gmbh | Verfahren zur Durchführung eines Freigabeprozesses eines, insbesondere zumindest teilweise radioaktiven, Messgutes, Computerprogrammprodukt sowie System |
DE102021111385B4 (de) | 2021-05-03 | 2024-01-25 | Safetec Gmbh | Verfahren und Vorrichtung zur Bestimmung einer Freigabefähigkeit von quecksilberhaltigen Rückständen aus kerntechnischen Anlagen |
Family Cites Families (27)
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GB891670A (en) * | 1957-09-04 | 1962-03-14 | English Electric Co Ltd | Improvements in and relating to the removing of scale from silicon iron and other metals |
BE670521A (ko) * | 1964-10-05 | 1900-01-01 | ||
US3341304A (en) * | 1966-04-08 | 1967-09-12 | Billie J Newby | Separation of uranium from uranium dioxide-zirconium dioxide mixtures |
US3409413A (en) * | 1967-08-11 | 1968-11-05 | Atomic Energy Commission Usa | Method of dissolving aluminum-clad thoria target elements |
US3565707A (en) * | 1969-03-03 | 1971-02-23 | Fmc Corp | Metal dissolution |
DE2058766A1 (de) * | 1970-11-30 | 1972-05-31 | Siemens Ag | Verfahren zur Reinigung von metallischen Oberflaechen,insbesondere radioaktiv verseuchten Oberflaechen |
US3891741A (en) * | 1972-11-24 | 1975-06-24 | Ppg Industries Inc | Recovery of fission products from acidic waste solutions thereof |
US3986970A (en) * | 1973-05-02 | 1976-10-19 | The Furukawa Electric Co., Ltd. | Solution for chemical dissolution treatment of tin or alloys thereof |
US3873362A (en) * | 1973-05-29 | 1975-03-25 | Halliburton Co | Process for cleaning radioactively contaminated metal surfaces |
US3965237A (en) * | 1975-04-11 | 1976-06-22 | The United States Of America As Repesented By The United States Energy Research And Development Administration | Dissolution process for ZrO2 -UO2 -CaO fuels |
DE2553569C2 (de) * | 1975-11-28 | 1985-09-12 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren zur Verfestigung von radioaktiven wäßrigen Abfallstoffen durch Sprühkalzinierung und anschließende Einbettung in eine Matrix aus Glas oder Glaskeramik |
BE838533A (fr) * | 1976-02-13 | 1976-05-28 | Procede de sechage des solutions contenant de l'acide borique | |
CH619807A5 (ko) * | 1976-04-07 | 1980-10-15 | Foerderung Forschung Gmbh | |
JPS54123087A (en) * | 1978-03-17 | 1979-09-25 | Hitachi Ltd | Radioactive ray meter |
DE2910677C2 (de) * | 1979-03-19 | 1983-12-22 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zur Behandlung von borhaltigen radioaktiven Konzentraten aus Abwässern von Druckwasserreaktoren |
US4217192A (en) * | 1979-06-11 | 1980-08-12 | The United States Of America As Represented By The United States Department Of Energy | Decontamination of metals using chemical etching |
US4443269A (en) * | 1979-10-01 | 1984-04-17 | Health Physics Systems, Inc. | Tool decontamination method |
CH653466A5 (de) * | 1981-09-01 | 1985-12-31 | Industrieorientierte Forsch | Verfahren zur dekontamination von stahloberflaechen und entsorgung der radioaktiven stoffe. |
US4686019A (en) * | 1982-03-11 | 1987-08-11 | Exxon Research And Engineering Company | Dissolution of PuO2 or NpO2 using electrolytically regenerated reagents |
DE3307059A1 (de) * | 1983-03-01 | 1984-09-06 | Battelle-Institut E.V., 6000 Frankfurt | Verfahren und probennehmer zur messung des kontaminationsgrades von oberflaechen in kerntechnischen anlagen |
US4530723A (en) * | 1983-03-07 | 1985-07-23 | Westinghouse Electric Corp. | Encapsulation of ion exchange resins |
US4620947A (en) * | 1983-10-17 | 1986-11-04 | Chem-Nuclear Systems, Inc. | Solidification of aqueous radioactive waste using insoluble compounds of magnesium oxide |
US4537666A (en) * | 1984-03-01 | 1985-08-27 | Westinghouse Electric Corp. | Decontamination using electrolysis |
DE3439864C2 (de) * | 1984-10-31 | 1987-05-07 | Kraftwerk Union AG, 4330 Mülheim | Verfahren zur chemischen Dekontamination von Wärmetauschern wassergekühlter Kernreaktoren |
US4701246A (en) * | 1985-03-07 | 1987-10-20 | Kabushiki Kaisha Toshiba | Method for production of decontaminating liquid |
WO1986007184A1 (en) * | 1985-05-28 | 1986-12-04 | Jozef Hanulik | Agent for decontaminating contaminated metal materials or cement-containing materials, production method and utilization |
FR2634049B1 (fr) * | 1988-07-06 | 1991-05-24 | Electricite De France | Procede et dispositif d'identification du defaut d'etancheite d'un crayon absorbeur de neutrons d'un reacteur nucleaire |
-
1989
- 1989-06-30 CH CH2445/89A patent/CH678767A5/de not_active IP Right Cessation
-
1990
- 1990-05-01 EP EP19900810333 patent/EP0406158A3/de not_active Withdrawn
- 1990-05-18 HU HU903083A patent/HUT57446A/hu unknown
- 1990-05-28 FI FI902644A patent/FI902644A0/fi not_active IP Right Cessation
- 1990-06-21 CA CA002019523A patent/CA2019523A1/en not_active Abandoned
- 1990-06-26 JP JP2168165A patent/JPH0339681A/ja active Pending
- 1990-06-26 US US07/543,484 patent/US5128266A/en not_active Expired - Fee Related
- 1990-06-27 CS CS903204A patent/CS320490A2/cs unknown
- 1990-06-29 DD DD90342356A patent/DD296370A5/de not_active IP Right Cessation
- 1990-06-29 RU SU904830472A patent/RU2029402C1/ru active
- 1990-07-02 BG BG092350A patent/BG92350A/bg unknown
- 1990-07-12 KR KR1019900010530A patent/KR910003402A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
BG92350A (bg) | 1993-12-24 |
HU903083D0 (en) | 1990-09-28 |
EP0406158A3 (en) | 1991-11-21 |
RU2029402C1 (ru) | 1995-02-20 |
CA2019523A1 (en) | 1990-12-31 |
FI902644A0 (fi) | 1990-05-28 |
HUT57446A (en) | 1991-11-28 |
CS320490A2 (en) | 1991-11-12 |
JPH0339681A (ja) | 1991-02-20 |
US5128266A (en) | 1992-07-07 |
CH678767A5 (ko) | 1991-10-31 |
EP0406158A2 (de) | 1991-01-02 |
DD296370A5 (de) | 1991-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |