Disposal Safety Justification for Salt Melt Generated at NPP Evaporation-to-the-Maximum-Salt Concentration Plants and Packed in NZK-150-1.5P Containers

Sorokin, V. T.; Atomproekt, Jsc

doi:10.25283/2587-9707-2019-2-31-40

2019

DOI: 10.25283/2587-9707-2019-2-31-40

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Disposal Safety Justification for Salt Melt Generated at NPP Evaporation-to-the-Maximum-Salt Concentration Plants and Packed in NZK-150-1.5P Containers

V. T. Sorokin¹,

Jsc Atomproekt²

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Experience in Implementation of Systems Applied for Drainage Water Ion-Selective Purification from Radionuclides at Units 1,2 of Novovoronezh-2 NPP

Povarov¹,

Gusev²,

Rosnovsky³

et al. 2020

Anri

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The article is dedicated to the assessment of the experience in drainage water purification from radionuclides using ion-selective purification method on Units 1,2 Novovoronezh-2 NPP. Application of an ion-selective sorbent based on nickel ferrocyanide, as well as the preliminary oxidation of corrosive origin radiongjuclides, allow to achieve a satisfactory quality of purification from Cs-134, Cs-137, Co-60, Co 58, Mn-54, Cr-51. However, this method turned out to be ineffective for drainage water purification from Be-7, Sb-124, Sb-125. The article presents a possible method for drainage water purification from Be-7, Sb-124, Sb-125 using an iron-based coagulant, prospects for the modernization of the ion-selective drainage water purification plant, as well as plans to improve methods for drainage water purification at Novovoronezh-2 NPP

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Experience in Implementation of Systems Applied for Drainage Water Ion-Selective Purification from Radionuclides at Units 1,2 of Novovoronezh-2 NPP

Povarov¹,

Gusev²,

Rosnovsky³

et al. 2020

Anri

View full text Add to dashboard Cite

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Ensuring radiation safety during temporary storage of solidified radioactive waste in light hangar-type facilities

Rosnovsky¹,

Povarov²

2021

NUCET

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Expensive permanent storage facilities with massive engineered structures are used traditionally to ensure safe temporary storage of solidified radioactive waste at the NPP sites. Such approach is dictated by the need to comply with the regulatory requirements for limiting the gamma background in the area adjacent to the storage facility. The costs involved in temporary storage of solidified RW can be optimized by using light hangar-type storage facilities. At the same time, the safety of storage, including radiation protection of the personnel, the public and the environment, is undoubtedly ensured through the use of special organizational and engineering solutions. The Novovoronezh NPP, a branch of JSC Concern Rosenergoatom, operates successfully light hangar-type facilities for temporary storage of solidified RW classified as medium-level waste in accordance with OSPORB-99/2009. In the process of operation, a methodology and a method for conditioning and temporary storage of solidified RW were developed to ensure the RW removal for final disposal with no extra process operations and unreasonable costs. A methodology has been developed to assess the radiation situation around storage facilities during temporary storage of RW, as well as a software package for predicting the radiation situation when deciding on the arrangement of the storage facility’s peripheral rows.

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Disposal Safety Justification for Salt Melt Generated at NPP Evaporation-to-the-Maximum-Salt Concentration Plants and Packed in NZK-150-1.5P Containers

Cited by 2 publications

References 0 publications

Experience in Implementation of Systems Applied for Drainage Water Ion-Selective Purification from Radionuclides at Units 1,2 of Novovoronezh-2 NPP

Experience in Implementation of Systems Applied for Drainage Water Ion-Selective Purification from Radionuclides at Units 1,2 of Novovoronezh-2 NPP

Ensuring radiation safety during temporary storage of solidified radioactive waste in light hangar-type facilities

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