Search Results - "Hadi, Jebril"

Eighteen years of steel–bentonite interaction in the FEBEX in situ test at the Grimsel Test Site in Switzerland by Hadi, Jebril, Wersin, Paul, Serneels, Vincent, Greneche, Jean-Marc

“…ABSTRACT Corrosion of steel canisters containing buried high-level radioactive waste is a relevant issue for the long-term integrity of repositories. The…”
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Determination of Sulfide Consumption by Fe-bearing Components of Bentonites by Hadi, Jebril, Greneche, Jean-Marc, Wersin, Paul, Koho, Petri, Pastina, Barbara

“…Geologic repositories for spent nuclear fuel use bentonite as a buffer to protect the metallic containers confining the radioactive material. Sulfate-reducing…”
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Mössbauer spectrometry insights into the redox reactivity of Fe-bearing phases in the environment by Charlet, Laurent, Tournassat, Christophe, Grenèche, Jean-Marc, Wersin, Paul, Géhin, Antoine, Hadi, Jebril

“…Rates and mechanisms of important reactions in the cycling of electrons via the geochemical transformations of iron have been identified using Mössbauer…”
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Unravelling the corrosion processes at steel/bentonite interfaces in in situ tests by Wersin, Paul, Hadi, Jebril, Kiczka, Mirjam, Jenni, Andreas, Grenèche, Jean‐Marc, Diomidis, Nikitas, Leupin, Olivier X., Svensson, Daniel, Sellin, Patrik, Reddy, Bharti, Smart, Nicholas, Zhang, Zhidong

“…Microscopic and spectroscopic analyses were conducted on steel/bentonite interface samples removed from four in situ experiments that were carried out in three…”
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Interaction of Corroding Iron with Eight Bentonites in the Alternative Buffer Materials Field Experiment (ABM2) by Paul Wersin, Jebril Hadi, Andreas Jenni, Daniel Svensson, Jean-Marc Grenèche, Patrik Sellin, Olivier X. Leupin

“…Bentonite, a common smectite-rich buffer material, is in direct contact with corroding steel in many high-level radioactive waste repository designs. The…”
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A novel and easy chemical-clock synthesis of nanocrystalline iron–cobalt bearing layered double hydroxides by Hadi, Jebril, Grangeon, Sylvain, Warmont, Fabienne, Seron, Alain, Greneche, Jean-Marc

“…[Display omitted] •Hexaamminecobalt trichloride reacts spontaneously with ferrous chloride in anoxic conditions.•A dramatic color change of the solution is…”
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Pitfalls in using the hexaamminecobalt method for cation exchange capacity measurements on clay minerals and clay-rocks: Redox interferences between the cationic dye and the sample by Hadi, Jebril, Tournassat, Christophe, Lerouge, Catherine

“…Using cationic dyes, such as hexaamminecobalt trichloride (CoHex), is a popular method for measuring clay minerals' cation exchange capacity (CEC), because a…”
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Geochemistry and palaeo-hydrogeology of the weathered zone in the Opalinus Clay by Mazurek, Martin, Wersin, Paul, Hadi, Jebril, Grenèche, Jean-Marc, Prinpreecha, Nouvarat, Traber, Daniel

“…The effects of weathering and decompaction on the Opalinus Clay in northern Switzerland were studied on the basis of a 146 m long drillcore profile. Below 6 m…”
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Modelling CEC variations versus structural iron reduction levels in dioctahedral smectites. Existing approaches, new data and model refinements by Hadi, Jebril, Tournassat, Christophe, Ignatiadis, Ioannis, Greneche, Jean Marc, Charlet, Laurent

“…•New measurements of nontronite negative layer charge versus structural Fe reduction.•Nontronite negative layer charge can decrease upon intense structural Fe…”
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Enhanced heterotrophic denitrification in clay media: The role of mineral electron donors by Parmentier, Marc, Ollivier, Patrick, Joulian, Catherine, Albrecht, Achim, Hadi, Jebril, Greneche, Jean-Marc, Pauwels, Hélène

“…Denitrification is expected to occur at and near the interface with clayey formations dedicated to radioactive waste disposal, due to the nitrate content in…”
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Geochemical characterization and modelling of the Toarcian/Domerian porewater at the Tournemire underground research laboratory by Tremosa, J., Arcos, D., Matray, J.M., Bensenouci, F., Gaucher, E.C., Tournassat, C., Hadi, J.

“…► A suitable model missed to obtain the porewater composition of Tournemire argillite. ► Fine geochemical experimental characterization of water–clay system is…”
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