This title appears in the Scientific Report :
2014
Thermal Neutron Die-Way-Time Studies for P&DGNAA of radioactive waste drums at the MEDINA Facility
Thermal Neutron Die-Way-Time Studies for P&DGNAA of radioactive waste drums at the MEDINA Facility
In Germany, radioactive waste with negligible heat production has to pass through a process of quality checking in order to check its conformance with national regulations prior to its transport, intermediate storage and final disposal. Additionally to its radioactive components, the waste may conta...
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Personal Name(s): | Mildenberger, Frank (Corresponding Author) |
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Mauerhofer, Eric | |
Contributing Institute: |
Nukleare Entsorgung; IEK-6 |
Published in: | 2014 |
Imprint: |
2014
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Conference: | Advancements in Nuclear Instrumentation Measurement Methods and their Applications, Lissabon (Portugal), 2015-04-20 - 2015-04-24 |
Document Type: |
Abstract |
Research Program: |
Helmholtz Interdisciplinary Doctoral Training in Energy and Climate Research (HITEC) Safety Research for Nuclear Waste Disposal |
Publikationsportal JuSER |
In Germany, radioactive waste with negligible heat production has to pass through a process of quality checking in order to check its conformance with national regulations prior to its transport, intermediate storage and final disposal. Additionally to its radioactive components, the waste may contain non-radioactive chemically toxic substances that can adversely affect human health and pollute the environment, especially the ground water [1-2]. After an adequate decay time, the waste radioactivity will become harmless but the non-radioactive substances will persist over time. In principle, these hazardous substances may be quantified from traceability and quality controls performed during the production of the waste packages [3]. As a consequence, a research and development program was initiated in 2007 with the aim to develop a nondestructive analytical technique for radioactive waste packages based on prompt and delayed gamma neutron activation analysis (P&DGNAA) employing a DT-neutron generator in pulsed mode. In a preliminary study it was experimentally demonstrated that P&DGNAA is suitable to determine the chemical composition of large samples [4]. In 2010 a facility called MEDINA (Multi Element Detection based on Instrumental Neutron Activation) was developed for the qualitative and quantitative determination of non-radioactive, toxic elements and substances in 200-l steel drums [5]. |