Zobrazeno 1 - 10 of 97 pro vyhledávání: '"Laurence N. Warr"'
1
Akademický článek
Thermally Induced Bentonite Alterations in the SKB ABM5 Hot Bentonite Experiment
Autor: Ritwick Sudheer Kumar, Carolin Podlech, Georg Grathoff, Laurence N. Warr, Daniel Svensson
Publikováno v: Minerals, Vol 11, Iss 9, p 1017 (2021)
Pilot sites are currently used to test the performance of bentonite barriers for sealing high-level radioactive waste repositories, but the degree of mineral stability under enhanced thermal conditions remains a topic of debate. This study focuses on
Externí odkaz: https://doaj.org/article/4ab623501462458d9a385fe209a4d5df
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2
Akademický článek
In Situ Measurements of the Hydration Behavior of Compacted Milos (SD80) Bentonite by Wet-Cell X-ray Diffraction in an Opalinus Clay Pore Water and a Diluted Cap Rock Brine
Autor: Tobias Manzel, Carolin Podlech, Georg Grathoff, Stephan Kaufhold, Laurence N. Warr
Publikováno v: Minerals, Vol 11, Iss 10, p 1082 (2021)
Compacted bentonite is currently being considered as a suitable backfill material for sealing underground repositories for radioactive waste as part of a multi-barrier concept. Although showing favorable properties for this purpose (swelling capabili
Externí odkaz: https://doaj.org/article/ec466d6ecd6c4dae80aed8acecac28ce
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3
Akademický článek
Bentonite Alteration in Batch Reactor Experiments with and without Organic Supplements: Implications for the Disposal of Radioactive Waste
Autor: Carolin Podlech, Nicole Matschiavelli, Markus Peltz, Sindy Kluge, Thuro Arnold, Andrea Cherkouk, Artur Meleshyn, Georg Grathoff, Laurence N. Warr
Publikováno v: Minerals, Vol 11, Iss 9, p 932 (2021)
Bentonite is currently proposed as a potential backfill material for sealing high-level radioactive waste in underground repositories due to its low hydraulic conductivity, self-sealing ability and high adsorption capability. However, saline pore wat
Externí odkaz: https://doaj.org/article/82574353b1af4277ae403398db6e0df7
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4
Akademický článek
Synthesis of Hydroxy-Sodalite/Cancrinite Zeolites from Calcite-Bearing Kaolin for the Removal of Heavy Metal Ions in Aqueous Media
Autor: Muayad Esaifan, Laurence N. Warr, Georg Grathoff, Tammo Meyer, Maria-Theresia Schafmeister, Angela Kruth, Holger Testrich
Publikováno v: Minerals, Vol 9, Iss 8, p 484 (2019)
A hydroxy-sodalite/cancrinite zeolite composite was synthesized from low-grade calcite-bearing kaolin by hydrothermal alkali-activation method at 160 °C for 6 h. The effect of calcite addition on the formation of the hydroxy-sodalite/cancrinite comp
Externí odkaz: https://doaj.org/article/0843e2f7dff7459cb40082e0de3e69d3
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7
A FIB-SEM Study of Illite Morphology in Aeolian Rotliegend Sandstones: Implications for Understanding the Petrophysical Properties of Reservoir Rocks
Autor: Markus Peltz, Arne Jacob, Georg H. Grathoff, Frieder Enzmann, Michael Kersten, Laurence N. Warr
Publikováno v: Clays and Clay Minerals. 70:84-105
Diagenetic illite growth in porous sandstones leads to significant modifications of the initial pore system which result in tight reservoirs. Understanding and quantifying these changes provides insight into the porosity-permeability history of the r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::22c18aa96c8029a86e21ab974b47e85c
https://doi.org/10.1007/s42860-022-00174-9
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8
Structure modeling and quantitative X-ray diffraction of C-(A)-S-H
Autor: Karsten Mesecke, Laurence N. Warr, Winfried Malorny
Publikováno v: Journal of Applied Crystallography. 55:133-143
Quantitative X-ray diffraction of nanocrystalline calcium silicate hydrate (C-S-H) and its aluminium-substituted variants (C-A-S-H) has so far been limited by a lack of appropriate structure models. In this study, atomistic structure models derived f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a5d0e0f7336f13da428995dc82821ac
https://doi.org/10.1107/s1600576721012668
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10
IMA–CNMNC approved mineral symbols
Autor: Laurence N. Warr
Publikováno v: Mineralogical Magazine. :1-30
Several text symbol lists for common rock-forming minerals have been published over the last 40 years, but no internationally agreed standard has yet been established. This contribution presents the first International Mineralogical Association (IMA)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb2944a7c93bb26df55e073ff23a68c6
https://doi.org/10.1180/mgm.2021.43
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