13-18 May 2018
Casino Conference Centre
Europe/Prague timezone

Volatilisation of 134Cs, 131I and 210Po from lead bismuth liquid metal solutions studied by the transpiration method

17 May 2018, 17:30
1h 30m
Gallery (Casino Conference Centre)

Gallery

Casino Conference Centre

Reitenbergerova 4/95, Mariánské Lázně, Czech Republic
Poster Chemistry of Nuclear Fuel Cycle, Radiochemical Problems in Nuclear Waste Management Poster NFC

Speaker

I.I. Danilov (Paul Scherrer Institute and Bern University)

Description

One of the prospective directions in the development of the generation IV reactors is the use of liquid metals as a coolant. At the same time, to ensure compliance with all the requirements, it is necessary to solve many practical problems and challenges. The subject of this work are radiochemical investigations required for licensing of the MYRRHA reactor conducted within the MYRTE-project as part of the EU-Programm for Research and Innovation “Horizon 2020” [1]. The previous studies on the volatilization of radionuclides from liquid lead-bismuth eutectic (LBE) relevant for the safety of future accelerator driven systems will be extended to measuring the volatilization behaviour of fission products such as Cs, I and also the activation product Po from dilute solutions in LBE. Here, we describe the development and optimization of the samples preparation and experimental equipment for the transpiration method used for volatilization studies, through which it became possible to obtain reliable experimental data. Various series of experiments have been performed using the optimized setup, using 134Cs, 131I and 210Po tracers. In this report, we summarize the methodological development and show results in comparison with existing literature data determined by other authors.

Primary authors

I.I. Danilov (Paul Scherrer Institute and Bern University) Dr Joerg Neuhausen (Paul Scherer Institute)

Co-authors

Alexander Voegele (Paul Scherer Institute) Prof. Andreas Türler (Bern University) Dr Elisabeth Müller (Paul Scherer Institute) Dr Robert Eichler (Paul Scherrer Institute and Bern University) Dr Rugard Dressler (Paul Scherer Institute)

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