PhD position
- Employer
- SCK-CEN, Waste & Disposal Expert Group
- Location
- University of Leuven in Leuven, Belgian Nuclear Research Center in Mol
- Salary
- Scholarship from university during 4 years of PhD
- Closing date
- Feb 21, 2019
View more
- Discipline
- Geochemistry, Volcanology, Geochemistry, and Petrology
- Career Level
- Student / Graduate
- Education Level
- Masters
- Job Type
- Internship
- Relocation Cost
- No Relocation
- Sector Type
- Non-Government Organization/Non-Profit
In support of the research programme related to the safe disposal of nuclear waste, KU Leuven, SCK•CEN and PSI are looking for a PhD candidate for following topic:
Diffusion of gases in desaturated clay-based materials
The main aim of the PhD is to investigate how desaturation influences the diffusive properties of the samples for gases. This will be accomplished by performing diffusion experiments on different clay-rich materials (e.g. Boom Clay, Opalinus Clay, bentonite, sand-bentonite mixtures, …) at different degrees of saturation (but still highly saturated to avoid a continuous gas pathway), using different gases (He, Ne, CH4, C2H6). Different methods to perform transport experiments under desaturated conditions exist (e.g. osmosis method, saturated salt method …), but none of them has been used to measure diffusivity of dissolved gases. Diffusivity data will be complemented with a full petrophysical characterisation of all samples in order to assess the effect of changing petrophysical properties on diffusivity, and to compare the observations to those of fully saturated samples. The PhD will be executed in the international context of the EC-EURAD project, with close collaboration between SCK-CEN and the Paul Scherrer Institute (PSI, CH) and other partners involved in EURAD.
More information on the topic & how to apply can be found on http://academy.sckcen.be/en/Your_thesis_internship/AllTopics/Diffusion-of-gases-in-desaturated-clay-based-materials-2242
For further details, please contact Dr. Elke Jacops (elke.jacops@sckcen.be)
Deadline for application is March 27, 2019.
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