Search Results - "Andre Baldermann"

Durability of shotcrete for underground support– Review and update by Galan, Isabel, Baldermann, Andre, Kusterle, Wolfgang, Dietzel, Martin, Mittermayr, Florian

“…[Display omitted] •State-of-the-art about processes and driving forces affecting shotcrete durability.•Focus on leaching, sintering, sulfate attack,…”
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Chemical weathering and progressing alteration as possible controlling factors for creeping landslides by Baldermann, Andre, Dietzel, Martin, Reinprecht, Volker

“…Landslides can behave as dynamic processes, which emerge from the complex interplay of tectonics, erosion, weathering and gravitational influences, triggered…”
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Controls of temperature, alkalinity and calcium carbonate reactant on the evolution of dolomite and magnesite stoichiometry and dolomite cation ordering degree - An experimental approach by Kell-Duivestein, Isaac John, Baldermann, Andre, Mavromatis, Vasileios, Dietzel, Martin

“…Natural and synthetic dolomites exhibit large scatter of structural and compositional characteristics with respect to variations in their stoichiometry and…”
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Impact of green clay authigenesis on element sequestration in marine settings by Baldermann, Andre, Banerjee, Santanu, Czuppon, György, Dietzel, Martin, Farkaš, Juraj, Lӧhr, Stefan, Moser, Ulrike, Scheiblhofer, Esther, Wright, Nicky M., Zack, Thomas

“…Retrograde clay mineral reactions (reverse weathering), including glauconite formation, are first-order controls on element sequestration in marine sediments…”
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Removal of heavy metals (Co, Cr, and Zn) during calcium–aluminium–silicate–hydrate and trioctahedral smectite formation by Baldermann, Andre, Landler, Andreas, Mittermayr, Florian, Letofsky-Papst, Ilse, Steindl, Florian, Galan, Isabel, Dietzel, Martin

“…Hydrated aluminosilicates were synthesized with and without aqueous heavy metals (Me), such as cobalt (Co), chromium (Cr), and zinc (Zn), by a sol–gel process…”
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Effect of organic ligands on Mg partitioning and Mg isotope fractionation during low-temperature precipitation of calcite in the absence of growth rate effects by Mavromatis, Vasileios, Immenhauser, Adrian, Buhl, Dieter, Purgstaller, Bettina, Baldermann, Andre, Dietzel, Martin

“…Calcite growth rate has been previously shown to be the dominating parameter controlling both Mg partitioning and Mg isotope fractionation during calcite…”
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Stable and radiogenic strontium isotope fractionation during hydrothermal seawater-basalt interaction by Voigt, Martin, Pearce, Christopher R., Baldermann, Andre, Oelkers, Eric H.

“…The fluid-rock interactions occurring in hydrothermal systems at or near mid-oceanic ridges (MOR) were studied experimentally by reacting crystalline and…”
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An experimental study of basalt–seawater–CO2 interaction at 130 °C by Voigt, Martin, Marieni, Chiara, Baldermann, Andre, Galeczka, Iwona M., Wolff-Boenisch, Domenik, Oelkers, Eric H., Gislason, Sigurdur R.

“…Over millions of years, the interaction of marine basalt with percolating seawater in low-temperature ocean floor hydrothermal systems leads to the formation…”
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Barium isotope fractionation during witherite (BaCO3) dissolution, precipitation and at equilibrium by Mavromatis, Vasileios, van Zuilen, Kirsten, Purgstaller, Bettina, Baldermann, Andre, Nägler, Thomas F., Dietzel, Martin

“…This study examines the behavior of Ba isotope fractionation between witherite and fluid during mineral dissolution, precipitation and at chemical equilibrium…”
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Magnesium isotope fractionation during hydrothermal seawater-basalt interaction by Voigt, Martin, Pearce, Christopher R., Fries, David M., Baldermann, Andre, Oelkers, Eric H.

“…Fluid-rock interactions in hydrothermal systems at or near mid-oceanic ridges (MOR) play a major role in determining the composition of the oceanic crust and…”
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Novel green technology for wastewater treatment: Geo-material/geopolymer applications for heavy metal removal from aquatic media by Grba, Nenad, Baldermann, Andre, Dietzel, Martin

“…The aim of this paper is to show the concise chemico-physical adsorbent performance of water purification systems utilizing geo- (e.g., allophane,…”
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Removal of Barium from Solution by Natural and Iron(III) Oxide-Modified Allophane, Beidellite and Zeolite Adsorbents by Baldermann, Andre, Fleischhacker, Yvonne, Schmidthaler, Silke, Wester, Katharina, Nachtnebel, Manfred, Eichinger, Stefanie

“…Efficient capture of barium (Ba) from solution is a serious task in environmental protection and remediation. Herein, the capacity and the mechanism of Ba…”
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Synthesis of Zeolites from Fine-Grained Perlite and Their Application as Sorbents by Painer, Florian, Baldermann, Andre, Gallien, Florian, Eichinger, Stefanie, Steindl, Florian, Dohrmann, Reiner, Dietzel, Martin

“…The hydrothermal alteration of perlite into zeolites was studied using a two-step approach. Firstly, perlite powder was transformed into Na-P1 (GIS) or…”
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The rate and mechanism of deep-sea glauconite formation at the Ivory Coast-Ghana marginal ridge by Baldermann, Andre, Warr, Laurence N, Grathoff, Georg H, Dietzel, Martin

“…The environmental conditions and reaction paths of shallow-water glauconititization (<500 m water depth, ∼ 15 °C) close to the sediment-seawater interface are…”
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Substantial Copper (Cu 2+ ) Uptake by Metakaolin-Based Geopolymer and Its Resistance to Acid Leaching and Ion Exchange by Grba, Nenad, Grengg, Cyrill, Petronijević, Mirjana, Dietzel, Martin, Baldermann, Andre

“…Geopolymers are inorganic, chemically resistant aluminosilicate-based binding agents, which remove hazardous metal ions from exposed aqueous media. However,…”
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New constraints on the evolution of 87Sr/86Sr of seawater during the Upper Triassic by Kovács, Zsófia, Demangel, Isaline, Richoz, Sylvain, Hippler, Dorothee, Baldermann, Andre, Krystyn, Leopold

“…The Late Triassic time interval witnessed several important biological turnovers, extinctions and onset of new life forms. Therefore, it is crucial to better…”
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The Calcium Isotope (δ44/40Ca) Record Through Environmental Changes: Insights From the Late Triassic by Kovács, Zsófia, Demangel, Isaline, Baldermann, Andre, Hippler, Dorothee, Schmitt, Anne‐Désirée, Gangloff, Sophie, Krystyn, Leopold, Richoz, Sylvain

“…Calcium isotopes (δ44/40Ca) are particularly useful in palaeo‐environmental studies due to the key role of carbonate minerals in continental weathering and…”
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Caste stone formation in the MgO-H2O-organo system – Effect of citric, malic or acetic acid and MgO reactivity on type and composition of castables by Gerger, Sabrina, Baldermann, Andre, Dietzel, Martin

“…[Display omitted] Consolidation of MgO castables by organic acids is a common technique for various applications, but the distinct hardening mechanisms of…”
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Removal of Barium, Cobalt, Strontium, and Zinc from Solution by Natural and Synthetic Allophane Adsorbents by Baldermann, Andre, Grießbacher, Andrea, Baldermann, Claudia, Purgstaller, Bettina, Letofsky-Papst, Ilse, Kaufhold, Stephan, Dietzel, Martin

“…The capacity and mechanism of the adsorption of aqueous barium (Ba), cobalt (Co), strontium (Sr), and zinc (Zn) by Ecuadorian (NatAllo) and synthetic…”
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Rapid ikaite (CaCO3·6H2O) crystallization in a man-made river bed: Hydrogeochemical monitoring of a rarely documented mineral formation by Boch, Ronny, Dietzel, Martin, Reichl, Peter, Leis, Albrecht, Baldermann, Andre, Mittermayr, Florian, Pölt, Peter

“…During repository building measures a natural river was relocated and the water was directed through a new, artificial river bed lined with a concrete basement…”
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