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PS #14: Colloid formation from bentonite
Time:
Wednesday, 27/Nov/2024:
2:30pm - 3:50pm
Session Chair: Mika Olavi Niskanen , Posiva Oy, FinlandSession Chair: Christophe Tournassat , Universtité d'Orléans (France) / Lawrence Berkeley National Laboratory (USA), France
Location: Bonatz Saal
Presentations
2:30pm - 2:50pm ID: 390
/ PS #14: 001
Lessons learned from 25 years of experiments on erosion & colloid formation from compacted bentonite
Ursula Alonso , Tiziana Missana
CIEMAT, Spain
2:50pm - 3:10pm ID: 264
/ PS #14: 002
Montmorillonite colloid erosion in low ionic strength water under stagnant and flow conditions studied in artificial fractures
Magnus Hedström 1 , Ulf Nilsson1 , Ralf Lamminmäki2
1 Clay Technology, Sweden; 2 Posiva Oy, Finland
3:10pm - 3:30pm ID: 113
/ PS #14: 003
Numerical modelling of bentonite mass losses due to expansion, erosion, and sedimentation within thin fractures
Arnau Pont 1 , Virginia Cabrera1 , Andrés Idiart1 , Mikel Diéguez2 , Úrsula Alonso2 , Patrik Sellin3 , Macarena Leal3
1 Amphos 21, Spain; 2 CIEMAT, Spain; 3 SKB, Sweden
3:30pm - 3:50pm ID: 409
/ PS #14: 004
Quantification of bentonite mass loss in shear zone from CT scans using digital rock physics and machine learning approach: example from the LIT experiment (GTS, Switzerland)
Sarah Hupfer1 , Janis Pingel1 , Bill Lanyon2 , Raphael Schneeberger3 , Ingo Blechschmidt3 , Frieder Enzmann4 , Saeid Sadeghnejad1 , Thorsten Schäfer 1
1 Applied Geology, Institute for Geoscience, Friedrich-Schiller-University Jena, Jena, Germany; 2 Fracture Systems Ltd., St. Ives, United Kingdom; 3 Nagra (National Cooperative for the Disposal of Radioactive Waste), Wettingen, Switzerland; 4 Geoscience Institute, Johannes Gutenberg University Mainz, Mainz, Germany
