Markus Olin
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View article: EURAD state-of-the-art report: thermo-hydro-mechanical behaviour of clay buffers at high temperatures
EURAD state-of-the-art report: thermo-hydro-mechanical behaviour of clay buffers at high temperatures Open
Most safety cases for radioactive waste disposal consider a temperature limit of 100°C for the clay buffers. Given that being able to tolerate higher temperatures would have significant advantages, the work package HITEC of the EURAD proje…
View article: Repositories for Heat Producing Nuclear Waste – Behaviour of Bentonite at Higher Temperature
Repositories for Heat Producing Nuclear Waste – Behaviour of Bentonite at Higher Temperature Open
Aspects in Mining & Mineral Science Repositories for Heat Producing Nuclear Waste – Behaviour of Bentonite at Higher Temperature Markus Olin* VTT Technical Research Centre of Finland Ltd, Finland *Corresponding author:Markus Olin, VTT Tech…
View article: Clay Mineral Transformations after Bentonite/Clayrocks and Heater/Water Interactions from Lab and Large-Scale Tests
Clay Mineral Transformations after Bentonite/Clayrocks and Heater/Water Interactions from Lab and Large-Scale Tests Open
This book, “Clay Mineral Transformations after Bentonite/Clayrocks and Heater/Water Interactions from Lab and Large-Scale Tests”, covers a broad range of relevant and interesting topics related to deep geological disposal of nuclear fuels …
View article: Editorial for Special Issue “Clay Mineral Transformations after Bentonite/Clayrocks and Heater/Water Interactions from Lab and Large-Scale Tests”
Editorial for Special Issue “Clay Mineral Transformations after Bentonite/Clayrocks and Heater/Water Interactions from Lab and Large-Scale Tests” Open
This Special Issue “Clay Mineral Transformations after Bentonite/Clayrocks and Heater/Water Interactions from Lab and Large-Scale Tests” covers a broad range of relevant and interesting topics related to deep geological disposal of nuclear…
View article: EURADWASTE’22 Paper – Host rocks and THMC processes in DGR
EURADWASTE’22 Paper – Host rocks and THMC processes in DGR Open
Deep geological disposal aims to contain and isolate radioactive waste from the biosphere. Repository systems are made of multiple barriers working together, typically comprising the natural geological barrier provided by the repository ho…
View article: Gasification-based thermal treatment of Low and Intermediate Level Waste containing organic matter
Gasification-based thermal treatment of Low and Intermediate Level Waste containing organic matter Open
VTT has developed a gasification-based technology for processing low- and intermediate-level waste (LILW) rich in organic matter. VTT’s process is based on well-controlled thermal fluidised-bed gasification followed by efficient gas cleani…
View article: Geopolymerisation of gasified ion-exchange resins, mechanical properties and short-term leaching studies
Geopolymerisation of gasified ion-exchange resins, mechanical properties and short-term leaching studies Open
A combination of gasification of low and intermediate level radioactive waste (LILW) and conditioning of the resulting product within a geopolymer matrix is a potential alternative for vitrification technologies as an immobilisation method…
View article: Strategic Study of Thermal Treatment of European Radioactive Wastes
Strategic Study of Thermal Treatment of European Radioactive Wastes Open
Under Work Package 2 (WP2) of THERAMIN, strategic reviews of thermal treatment technologies and European radioactive waste streams for which thermal treatment could bring benefits have been undertaken. This paper presents the outcomes of a…
View article: Thermal treatment for radioactive waste minimisation
Thermal treatment for radioactive waste minimisation Open
Safe management of radioactive waste is challenging to waste producers and waste management organisations. Deployment of thermal treatment technologies can provide significant improvements: volume reduction, waste passivation, organics des…
View article: Comparison of microstructural features of three compacted and water-saturated swelling clays: MX-80 bentonite and Na- and Ca-purified bentonite
Comparison of microstructural features of three compacted and water-saturated swelling clays: MX-80 bentonite and Na- and Ca-purified bentonite Open
The planned final disposal repositories of spent nuclear fuel in several countries, including Finland, pose significant scientific challenges due to their extremely long lifespan. One of the key materials proposed for use in Posiva Oy's re…
View article: Effect of layer charge on the crystalline swelling of Na<sup>+</sup>, K<sup>+</sup> and Ca<sup>2+</sup> montmorillonites: DFT and molecular dynamics studies
Effect of layer charge on the crystalline swelling of Na<sup>+</sup>, K<sup>+</sup> and Ca<sup>2+</sup> montmorillonites: DFT and molecular dynamics studies Open
The swelling and cation exchange properties of montmorillonite are fundamental in a wide range of applications ranging from nanocomposites to catalytic cracking of hydrocarbons. The swelling results from several factors and, though widely …
View article: Influence of sample preparation on MX-80 bentonite microstructure
Influence of sample preparation on MX-80 bentonite microstructure Open
Compacted bentonite is to be used as a buffer material between waste canisters and the bedrock in the deep geological disposal of high-level nuclear waste in several countries. In spite of the fact that such large bentonite systems have lo…