Search Results - "Grawunder, Anja"

Origin of middle rare earth element enrichment in acid mine drainage-impacted areas by Grawunder, Anja, Merten, Dirk, Büchel, Georg

“…The commonly observed enrichment of middle rare earth elements (MREE) in water sampled in acid mine drainage (AMD)-impacted areas was found to be the result of…”
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Biogenic precipitation of manganese oxides and enrichment of heavy metals at acidic soil pH by Mayanna, Sathish, Peacock, Caroline L., Schäffner, Franziska, Grawunder, Anja, Merten, Dirk, Kothe, Erika, Büchel, Georg

“…Natural Mn oxides are largely biogenic in origin, formed via the microbial oxidation of Mn(II). These minerals are extremely efficient scavengers of heavy…”
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Element distribution in fruiting bodies of Lactarius pubescens with focus on rare earth elements by Grawunder, Anja, Gube, Matthias

“…During growth and senescence, fungal fruiting bodies accumulate essential and non–essential elements to different extent in their compartments. This study…”
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Implications of spatial heterogeneity of tailing material and time scale of vegetation growth processes for the design of phytostabilisation by Constantinescu, Paula, Neagoe, Aurora, Nicoară, Andrei, Grawunder, Anja, Ion, Stelian, Onete, Marilena, Iordache, Virgil

“…Phytostabilisation projects for tailing dams depend on processes occurring at spatial scales of 106 m2 and at decadal time scales. Most experiments supporting…”
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Microbiomes in an acidic rock–water cave system by Burow, Katja, Grawunder, Anja, Harpke, Marie, Pietschmann, Sebastian, Ehrhardt, Ralf, Wagner, Lysett, Voigt, Kerstin, Merten, Dirk, Büchel, Georg, Kothe, Erika

“…ABSTRACT Belowground ecosystems are accessible by mining, where a specific microbial community can be discovered. The biodiversity of a former alum mine rich…”
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Rare earth elements as a tool for studying the formation of cemented layers in an area affected by acid mine drainage by Grawunder, Anja, Lonschinski, Martin, Merten, Dirk, Büchel, Georg

“…•Spatially resolved analysis of 14 rare earth elements (REE) by LA-ICP-MS.•Positive correlation of Mn contents and (positive) Ce anomalies.•Linkage of the two…”
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Rare earth element patterns as process indicators at the water–solid interface of a post–mining area by Grawunder, Anja, Lonschinski, Martin, Händel, Matthias, Wagner, Sebastian, Merten, Dirk, Mirgorodsky, Daniel, Büchel, Georg

“…Rare earth element (REE, La–Lu) patterns in groundwater are the result of complex solid-water interactions and can therefore be applied as process indicators…”
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Chemistry of Acidic and Neutralized Alum Shale Pit Lakes 50 Years After Mine Closure, Kvarntorp, Sweden by Åhlgren, Kristina, Sjöberg, Viktor, Grawunder, Anja, Allard, Bert, Bäckström, Mattias

“…Several large pits were left after alum shale was mined from 1942 to 1966 in the Kvarntorp area of Sweden. Of these, the pit lakes Pölen and Norrtorpssjön are…”
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Microbiomes in an acidic rock-water cave system by Burow, Katja, Grawunder, Anja, Harpke, Marie, Pietschmann, Sebastian, Ehrhardt, Ralf, Wagner, Ly sett, Voigt, Kerstin, Merten, Dirk, Buchel, Georg, Kothe, Erika

“…Belowground ecosystems are accessible by mining, where a specific microbial community can be discovered. The biodiversity of a former alum mine rich in carbon,…”
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Microbially assisted phytoremediation approaches for two multi-element contaminated sites by Langella, Francesca, Grawunder, Anja, Stark, Romy, Weist, Aileen, Merten, Dirk, Haferburg, Götz, Büchel, Georg, Kothe, Erika

“…Phytoremediation is an environmental friendly, cost-effective technology for a soft restoration of abandoned mine sites. The grasses Agrostis capillaris,…”
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Rare earth element sequestration by Aspergillus oryzae biomass by Boczonádi, Imre, Jakab, Ágnes, Baranyai, Edina, Tóth, Csilla Noémi, Daróczi, Lajos, Csernoch, László, Kis, Gréta, Antal, Miklós, Pusztahelyi, Tünde, Grawunder, Anja, Merten, Dirk, Emri, Tamás, Fábián, István, Kothe, Erika, Pócsi, István

“…The fungus Aspergillus oryzae could be shown to be a viable alternative for biosorption of valuable metals from solution. Fungal biomass can be obtained easily…”
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Rare earth element enriched birnessite in water-bearing fractures, the Ytterby mine, Sweden by Sjöberg, Susanne, Allard, Bert, Rattray, Jayne E., Callac, Nolwenn, Grawunder, Anja, Ivarsson, Magnus, Sjöberg, Viktor, Karlsson, Stefan, Skelton, Alasdair, Dupraz, Christophe

“…Characterization of a black substance exuding from fractured bedrock in a subterranean tunnel revealed a secondary manganese oxide mineralisation exceptionally…”
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Rare earth elements in Permian salts and brines, Thuringia, Germany by Grawunder, Anja, Raabe, Daniel, Lonschinski, Martin, Merten, Dirk, Büchel, Georg

“…Salts and brines have very low rare earth element (REE, La-Lu) concentrations. Thus, there is less knowledge of possible transfer of REE patterns during salt…”
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Adaptation of a Rare Earth Element Pre-concentration Method for Water Enriched in Al, Ca, Fe, and Mg by Grawunder, Anja, Gärtner, Sven, Merten, Dirk

“…The use of rare earth elements (REE) as process indicators in water-rock interactions can be hampered by the fact that samples with high concentrations of…”
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Neutralisation of an acidic pit lake by alkaline waste products by Allard, Bert, Bäckström, Mattias, Karlsson, Stefan, Grawunder, Anja

“…A former open pit where black shale (alum shale) was excavated during 1942–1965 has been water filled since 1966. The water chemistry was dominated by calcium…”
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