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DTSTART;TZID=Europe/Brussels:20260513T130000
DTEND;TZID=Europe/Brussels:20260513T143000
DTSTAMP:20260527T084229Z
CREATED:20260320T074436Z
LAST-MODIFIED:20260527T084229Z
UID:123760-1778677200-1778682600@euradschool.eu
SUMMARY:InCoManD webinars on microbial activity | Predicting and Managing Microbial Activity in Deep Geological Repositories
DESCRIPTION:Deep geological repositories (DGRs) evolve through coupled thermal\, hydraulic\, mechanical\, chemical\, and biological processes. Within this multi-barrier system\, microorganisms naturally present in host rocks — as well as those introduced during construction and operation — may induce corrosion\, gas production\, and mineral transformations\, all of which are relevant for predicting the long-term performance and stability of a repository. \nThis session provides a structured introduction to microbiology in the DGR environment\, focusing on safety-relevant processes and their implications for engineered barrier systems. Selected experimental case studies from EPFL will illustrate how microbial activity is investigated under repository-relevant conditions\, with reference to the Swiss repository concept proposed by Nagra. Particular focus will be given to microbial activity during the transient phase\, including decreasing oxygen concentrations and spatial constraints caused by bentonite buffer swelling. \nThe session concludes with a brief overview of how experimental microbiological data can inform and constrain modelling approaches\, and how modelling can\, in turn\, support hypothesis testing and improve understanding of long-term microbial behaviour in DGR systems. \nLearning Outcomes \nUpon completion of this session\, participants should be able to: \nKnowledge \n\nDescribe the origin and potential activity of microorganisms in repository-relevant environments\nExplain key safety-relevant microbial processes\, including corrosion\, gas generation\, and mineral alteration\n\nSkills \n\nRelate experimental observations of microbial activity to repository safety functions\nIdentify critical parameters that control microbial activity in engineered barrier systems\n\n  \nRecording of the webinar\n \n 
URL:https://euradschool.eu/event/incomand-webinars-on-microbial-activity-predicting-and-managing-microbial-activity-in-deep-geological-repositories/
LOCATION:Online
CATEGORIES:EURAD webinar
ORGANIZER;CN="EURAD KM":MAILTO:euradmobility@sckcen.be
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DTSTART;TZID=Europe/Brussels:20260518T123000
DTEND;TZID=Europe/Brussels:20260518T140000
DTSTAMP:20260518T080248Z
CREATED:20260225T073406Z
LAST-MODIFIED:20260518T080248Z
UID:123741-1779107400-1779112800@euradschool.eu
SUMMARY:EURAD-2 Webinar | Domain Insight 3.2.2\, on LL-ILW containers
DESCRIPTION:Abstract\nLow and intermediate level waste (LL&ILW) represent the main part of the volume of radioactive waste which are produced by nuclear industry. This waste contains a large variety of materials such as paper\, cardboard\, plastics and metals with. The waste can also vary strongly in size and weight. Therefore\, there is a need of various containers designs in order to condition the LL&ILW considering their physical and chemical properties. The main safety functions of a radioactive waste repository for Low Level and Intermediate Level Waste (LL-ILW) are the isolation\, the containment and the shielding of the waste. Other safety functions can also be considered\, such as the retardation of the radionuclide transport and maintaining stable conditions in the repository. The fulfillment of these safety functions relies amongst other on the Engineered Barrier System (EBS). During all the phases of the disposal programme\, from its initiation to the closure of the disposal facility\, safety assessments are performed and requirements are defined and updated in order to guarantee the safe management of the radioactive waste (during the operational and post-closure phases of the facility). The requirements for the design of LL-ILW containers are related to those for the disposal facility. The container requirements shall take into account the surrounding Systems Structures and Components (SSC’s)\, as well as the external and internal potential perturbations (e.g. physico-chemical reactions) which could affect them. Depending on the concept of the repository and the defined safety functions and objectives\, various materials such as concrete or steel can be used for manufacturing LL-ILW containers fulfilling the requirements. Such materials are currently used for the containers in various near surface LL-ILW disposal facilities currently in operation in countries such as France (CSA\, Aube)\, the UK (LLWR\, West Cumbria) and Spain (El Cabril\, Cordoba). It shall be noted that LL-ILW can also be disposed in deep geological repository (e.g. Switzerland) \nEURAD-2 – Domain Insight 3.2.2 – LL-ILW containers | Eurad  \nLearning outcomes\nUpon completion of this webinar\, participants should be able to: \n\nUnderstand LL-ILW waste and container design\nExplain the role of containers in:\n\nachieving operational & long-term safety of the disposal system\nachieving interim storage safety and feasible implementation of disposal\n\n\nProvide international examples of LL-ILW containers\nDescribe the lifecycle & implementation phases\nDiscuss challenges & innovations in container design\n\nSpeaker\nRadouane Sghir (Bel V) \nPractical information\nAn MS Teams link will be shared with all registrants a few days before the webinar.
URL:https://euradschool.eu/event/eurad-2-webinar-domain-insight-3-2-2-on-ll-ilw-containers/
LOCATION:Online
CATEGORIES:EURAD webinar
ORGANIZER;CN="EURAD KM":MAILTO:euradmobility@sckcen.be
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