Clay Conference 2024 - ConfTool Pro Printout

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Session

PS #14: Colloid formation from bentonite

Time:

Wednesday, 27/Nov/2024:

2:30pm - 3:50pm

Session Chair: Mika Olavi Niskanen, Posiva Oy, Finland
Session 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 Hedström¹, Ulf Nilsson¹, Ralf Lamminmäki²

¹Clay Technology, Sweden; ²Posiva 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 Pont¹, Virginia Cabrera¹, Andrés Idiart¹, Mikel Diéguez², Úrsula Alonso², Patrik Sellin³, Macarena Leal³

¹Amphos 21, Spain; ²CIEMAT, Spain; ³SKB, 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 Schäfer¹

¹Applied Geology, Institute for Geoscience, Friedrich-Schiller-University Jena, Jena, Germany; ²Fracture Systems Ltd., St. Ives, United Kingdom; ³Nagra (National Cooperative for the Disposal of Radioactive Waste), Wettingen, Switzerland; ⁴Geoscience Institute, Johannes Gutenberg University Mainz, Mainz, Germany

Conference Agenda