Gamma—Ray Counters to Monitor Radioactive Waste Packages in the MICADO Project

Coséntino, L.; Giuffrida, Martina; Meo, S. Lo; Longhitano, F.; Pappalardo, A.; Passaro, G.; Finocchiaro, P.

doi:10.3390/instruments5020019

Cited by 4 publications

(2 citation statements)

References 18 publications

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“…In order to have devices that can be attractive for the nuclear waste sector, simplicity and flexibility of installation, robustness and affordability have been identified as key requirements. Gamma detectors based on scintillating fibers [7] and neutron detectors based on silicon diodes with Lithium deposition [8] have been built with such requirements in mind, and they have been successfully tested at different sites within dedicated European projects [9, 10]. Another technology that can be used for non-invasive inspections of radioactive waste packages is muon tomography [11].…”

Section: The Worlwide Situation Of Radioactive Waste and The Related ...mentioning

confidence: 99%

Applications of nuclear physics to energy: the INFN-E project of the National Institute of Nuclear Physics (INFN)

Ripani

2024

J. Inst.

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In this talk, the main issues in radioactive waste management worldwide will be briefly introduced, as well as the world roadmap towards nuclear fusion. Then, an overview of the activities of the INFN-E (INFN Energia) strategic project will be given, showing how INFN's skills on basic theoretical aspects and on the design, construction and use of accelerators and radiation detectors can be applied to specific projects for the characterization and monitoring of radioactive waste as a means to increase nuclear safety and in the context of advanced plants for the study of nuclear fusion.

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Section: The Worlwide Situation Of Radioactive Waste and The Related ...mentioning

confidence: 99%

Applications of nuclear physics to energy: the INFN-E project of the National Institute of Nuclear Physics (INFN)

Ripani

2024

J. Inst.

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“…Neutron [6] and gamma [7] radiation sensors for radwaste drum monitoring have already been developed and have proven feasible within the EU MICADO project [8]. However, the use of a wired online monitoring configuration for a real radwaste storage site would be a limitation, and this is why a wireless solution should be aimed at addressing the issue in [9].…”

Section: Introductionmentioning

confidence: 99%

A Wireless Gamma-Ray Monitoring System for Cemented Radwaste Drums

Romoli,

Di Giovanni,

Di Meo

et al. 2024

Sensors

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In the framework of the PREDIS EU project, a wireless battery-operated gamma-ray detection system was developed in order to provide a medium-to-long-term monitoring system for radioactive waste drums. It was initially proposed to monitor the gamma radioactivity outcoming from steel drums containing cemented radwaste, even though it could be usefully employed in a wider range of applications. Gamma rays are penetrating and convey information from the drum's internal structure, as the count rate measured on the surface depends on the thickness and density of the crossed materials. A number of sensors arranged around a drum, typically four units, provide indications of the emission anisotropy, and any sensitive change in the measured count rate would hint at some anomaly, thus triggering a suitable inspection by operators.

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The gamma and neutron monitor counters for the MICADO project

et al. 2021

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In the framework of the MICADO (Measurement and Instrumentation for Cleaning And Decommissioning Operations) European Union (EU) project, aimed at the full digitization of low and intermediate-level radioactive waste (radwaste) management, a set of 32 solid state thermal neutron detectors, named SiLiF, and 36 gamma-ray counters based on a scintillating fiber readout at each end by a silicon photomultiplier, named SciFi, have been built and characterized. MICADO project encompasses a complete active and passive characterization of the radwaste drums with neutrons and gamma rays, followed by a longer-term monitoring phase. The detectors described are suitable for the monitoring of nuclear materials and can be used around radioactive waste drums possibly containing small quantities of actinides, as well as around spent fuel casks in interim storage or during transportation. Suitable polyethylene moderators, for the SiLiF detectors, can be exploited to better shape the detector response to the expected neutron spectrum, according to Monte Carlo simulations that were performed. The SciFi detectors were thoroughly tested with a 22Na and a 137Cs gamma-ray sources. Both detectors described were tested with an intense AmBe source of neutron and gamma ray. The results are satisfactory and show a quite uniform and reproducible behavior. The next step will be the test in a real environment.

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Gamma—Ray Counters to Monitor Radioactive Waste Packages in the MICADO Project

Cited by 4 publications

References 18 publications

Applications of nuclear physics to energy: the INFN-E project of the National Institute of Nuclear Physics (INFN)

Applications of nuclear physics to energy: the INFN-E project of the National Institute of Nuclear Physics (INFN)

A Wireless Gamma-Ray Monitoring System for Cemented Radwaste Drums

The gamma and neutron monitor counters for the MICADO project

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