BORON CONCENTRATION CONTROL METHOD FOR LIQUID CONTAINING RADIOACTIVE MATERIAL AND BORON CONCENTRATION CONTROL DEVICE FOR LIQUID CONTAINING RADIOACTIVE MATERIAL

PROBLEM TO BE SOLVED: To suppress an increase of secondary waste.SOLUTION: A boron concentration control method for liquid containing radioactive material includes a first step ST1 of pumping up liquid from a storage tank which stores liquid containing sludge-like radioactive material to a settling...

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Bibliographic Details
Main Authors HAMAGUCHI RYOKICHI, HAYASHIBARA HIROFUMI, KAKINOKI KOICHI, TSUKAMOTO TAISUKE
Format Patent
LanguageEnglish
Japanese
Published 25.10.2018
Subjects
DECONTAMINATION ARRANGEMENTS THEREFOR
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT
TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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Summary:PROBLEM TO BE SOLVED: To suppress an increase of secondary waste.SOLUTION: A boron concentration control method for liquid containing radioactive material includes a first step ST1 of pumping up liquid from a storage tank which stores liquid containing sludge-like radioactive material to a settling tank, and a second step ST2 of taking out only a liquid component of the liquid in the settling tank, purifying the liquid component, adjusting concentration of boron in the liquid component and then returning the same to the storage tank.SELECTED DRAWING: Figure 2 【課題】二次廃棄物の増加を抑制することができること。【解決手段】放射性物質を含む液体のホウ素濃度管理方法は、スラッジ状の放射性物質を含む液体を収容する収容槽から沈殿槽に液体を組み上げる第１工程ＳＴ１と、沈殿槽内の液体のうちの液体成分のみを取り出して、液体成分を浄化し、液体成分中のホウ素の濃度を調整して、収容槽に戻す第２工程ＳＴ２と、を含む。【選択図】図２
Bibliography:Application Number: JP20170063746