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Journal Articles

Experiences on research reactors decommissioning in the NSRI of the JAEA

Tachibana, Mitsuo; Kishimoto, Katsumi; Shiraishi, Kunio

International Nuclear Safety Journal (Internet), 3(4), p.16 - 24, 2014/11

Three research reactors were permanently shut down in the Nuclear Science Research Institute (NSRI) of the Japan Atomic Energy Agency (JAEA) as of October 2014. Safe storage or one-piece removal method was applied to decommissioning of these research reactors depending on decommissioning cost and utilization of facilities and so on. Various kinds of data and experiences were obtained through decommissioning of these research reactors. This report shows data and experiences on the research reactors decommissioning in the NSRI of the JAEA.

JAEA Reports

Evaluation of radioactive inventory in JRR-1

Akutsu, Atsushi; Kishimoto, Katsumi; Sukegawa, Takenori; Shimada, Taro

JAERI-Tech 2003-090, 75 Pages, 2004/01

JAERI-Tech-2003-090.pdf:6.83MB

The Japan Research Reactor No.1 (JRR-1) that was constructed first in Japan was permanently shut down after operation from 1957 to 1968. At present, the reactor part is in safe store conditions. The JRR-1 facility is being used as an exhibition room for the time being, and will be dismantled in the future. In consideration of future dismantling of the facility, the radioactive inventory in reactor part was calculated using computer codes that are Two-Dimensional Discrete Ordinates Transport Code (DORT) and Oak Ridge Isotope Generation and Depletion Code (ORIGEN-MD). The average concentration of radioactivity is estimated to be 6.40$$times$$$$10^{5}$$ Bq/g in the core tank as of April, 2002. It is also expected that the low level waste (LLW) weights approximately 400kg and very low level waste (VLLW) weights approximately 14,000kg, and the waste which doesn't need to deal as a radioactive material weights approximately 250,000kg.

Journal Articles

An Accident at conversion facility for nuclear fuel materials and education on safety culture

Obata, Masahiro

Semina Tsushin, (21), p.13 - 14, 2000/03

no abstracts in English

Journal Articles

Stable nuclides of fission-product zirconium in the spent fuel of JRR-1 and JPDR-1

;

Radiochem.Radioanal.Lett, 19(3), p.179 - 186, 1974/03

no abstracts in English

JAEA Reports

Mothball of JRR-1

; ; ;

JAERI-M 4699, 78 Pages, 1972/02

JAERI-M-4699.pdf:3.73MB

no abstracts in English

JAEA Reports

Operation and Utilization of JRR-1

; ; ;

JAERI-M 4506, 110 Pages, 1971/07

JAERI-M-4506.pdf:3.73MB

no abstracts in English

JAEA Reports

Chemical Analysis of the Fuel Solution of JRR-1

; ;

JAERI-M 4469, 41 Pages, 1971/06

JAERI-M-4469.pdf:1.07MB

no abstracts in English

Journal Articles

Chemical Analysis of the Fuel Solution of JRR-1

; ; *

Nihon Genshiryoku Gakkai, 13(6), p.335 - 338, 1971/00

no abstracts in English

JAEA Reports

Pre-critical Tests for JRR-1

JAERI 1003-B, 20 Pages, 1962/03

JAERI-1003-B.pdf:1.46MB

no abstracts in English

Journal Articles

Rapid determination of $$^{1}$$$$^{3}$$$$^{7}$$Cs in JRR-1 fuel solution by focussing chromatography

; *; *

Nihon Genshiryoku Gakkai-Shi, 4(6), p.361 - 365, 1962/00

no abstracts in English

Journal Articles

Measurement of the leakage spectrum of fast neutrons from JRR-1 core by the nuclear emulsions

;

Nihon Genshiryoku Gakkai-Shi, 4(6), p.365 - 373, 1962/00

no abstracts in English

Journal Articles

Manufacturing of radioisotopes in the JRR-1

*;

Genshiryoku Kogyo, 7(12), P. 43, 1961/00

no abstracts in English

Journal Articles

Studies on the JRR-1 with special reference to the fuel solution,(2)

; ; ; ; ; ;

Nihon Genshiryoku Gakkai-Shi, 3(1), p.55 - 68, 1961/00

no abstracts in English

Journal Articles

Die Radiochemische bestimmung des plutoniums in dem in JRR-1 bestrahlten uran

Nihon Genshiryoku Gakkai-Shi, 3(7), p.497 - 501, 1961/00

no abstracts in English

Journal Articles

Neptunm-237 in JRR-1 fuel solution

*

Nihon Genshiryoku Gakkai-Shi, 3(7), p.502 - 506, 1961/00

no abstracts in English

Journal Articles

The determination of impurities in tellurium and selenium by activation analysis

; ; Shiba, Koreyuki; *

Nihon Kagaku Zasshi, 82(3), p.343 - 347, 1961/00

 Times Cited Count:4

no abstracts in English

Journal Articles

Isolation of $$^{2}$$$$^{3}$$$$^{9}$$Pu from uranium oxide irradiated JRR-1

*; ; Naito, Keiji; Umezawa, Hirokazu;

Nihon Genshiryoku Gakkai-Shi, 2(6), p.328 - 336, 1960/00

no abstracts in English

Journal Articles

Preparation of $$^{1}$$$$^{ }$$8F using the JRR-1

; ; *;

Radioisotopes, 9(3), p.289 - 290, 1960/00

no abstracts in English

JAEA Reports

Journal Articles

On the automatic starting of the JRR-1, 1

; ; ;

Dai-3-Kai Genshiryoku Shimpojiumu Hobunshu, 1, P. 212, 1959/00

no abstracts in English

35 (Records 1-20 displayed on this page)