| Issue |
EPJ Web of Conferences
Volume 79, 2014
E2C 2013 – 3rd European Energy Conference
|
|
|---|---|---|
| Article Number | 03007 | |
| Number of page(s) | 7 | |
| Section | T3 – Energy Production, Distribution and Storage | |
| DOI | https://doi.org/10.1051/epjconf/20137903007 | |
| Published online | 10 December 2014 | |
https://doi.org/10.1051/epjconf/20137903007
On-line remote monitoring of radioactive waste repositories
1 Laboratori Nazionali del Sud, INFN, via S. Sofia 62, Catania, Italy
2 SOGIN S.p.A, via Torino 6, Roma, Italy
a Corresponding author: apappalardo@lns.infn.it
Published online: 10 December 2014
A low-cost array of modular sensors for online monitoring of radioactive waste was developed at INFN-LNS. We implemented a new kind of gamma counter, based on Silicon PhotoMultipliers and scintillating fibers, that behaves like a cheap scintillating Geiger-Muller counter. It can be placed in shape of a fine grid around each single waste drum in a repository. Front-end electronics and an FPGA-based counting system were developed to handle the field data, also implementing data transmission, a graphical user interface and a data storage system. A test of four sensors in a real radwaste storage site was performed with promising results. Following the tests an agreement was signed between INFN and Sogin for the joint development and installation of a prototype DMNR (Detector Mesh for Nuclear Repository) system inside the Garigliano radwaste repository in Sessa Aurunca (CE, Italy). Such a development is currently under way, with the installation foreseen within 2014.
© Owned by the authors, published by EDP Sciences, 2014
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