Pb(II) and Zn(II) adsorption onto Na- and Ca-montmorillonites in acetic acid/acetate medium: Experimental approach and geochemical modeling

Autor: Jean-Michel Bény, M. Ghayaza, Lydie Le Forestier, Christophe Tournassat, Fabrice Muller

Publikováno v: Journal of Colloid and Interface Science
Journal of Colloid and Interface Science, Elsevier, 2011, 361, pp.238-246. ⟨10.1016/j.jcis.2011.05.028⟩

International audience; Smectites are usually used as a clay barrier at the bottom of subsurface waste landfills due to their low permeability and their capacity to retain pollutants. The Na- and Ca-saturated SWy2 montmorillonites were interacted wit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::474b8dbbb2d661d9d006cdc1c9a63012
https://doi.org/10.1016/j.jcis.2011.05.028

Hydrothermal synthesis and characterization of dioctahedral smectites: A montmorillonites series

Autor: Rémi Champallier, Fabrice Muller, Sébastien Lantenois, Jean-Michel Bény

Publikováno v: Applied Clay Science
Applied Clay Science, Elsevier, 2008, 38 (3-4), pp.165-178. ⟨10.1016/j.clay.2007.03.005⟩

The aim of this study is to synthesize and finely characterize montmorillonite samples, dioctahedral smectites without tetrahedral charges (structural formulae Na x (Al (2 − x ) Mg x )Si 4 O 10 (OH) 2 ), to allow their use as reference samples in c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2025fd411804397c4b17f2ce76c4896e
https://doi.org/10.1016/j.clay.2007.03.005

Morphology, origin and infrared microthermometry of fluid inclusions in pyrite from the Radka epithermal copper deposit, Srednogorie zone, Bulgaria

Autor: Laurent Bailly, Kalin Kouzmanov, Claire Ramboz, Olivier Rouer, Jean-Michel Bény

Publikováno v: Mineralium Deposita, Vol. 37, No 6-7 (2002) pp. 599-613

Pyrite samples from the Radka epithermal, replacement type, volcanic rock-hosted copper deposit, Bulgaria, have been studied using near-infrared (IR) microscopy. Two generations of pyrite based on their textures, composition and behaviour in IR light

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::939c6809a2c6100be11dc131a654f447
https://doi.org/10.1007/s00126-002-0270-y

Raman and Brillouin scattering and XPS spectroscopy in NaPb0.5Bi0.33PO4 glass

Autor: Jean-Michel Bény, K. Belkhader, Yann Vaills, R. Erre, E. Husson, Roland Benoit, C. Proust

Publikováno v: Journal of Non-Crystalline Solids. 238:66-74

Raman spectra of glassy, recrystallised and liquid NaPb 0.5 Bi 0.33 PO 4 have been obtained in situ to a temperature of 1170 K. We analyze the modification of the spectra vs. temperature in terms of frequencies assigned to the cation vibrations and o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fbe92cd6f5b8f988b4adb06b20809328
https://doi.org/10.1016/s0022-3093(98)00680-2

High-temperature Raman spectroscopy of silicate and aluminosilicate hydrous glasses: Implications for water speciation

Autor: Jean-Michel Bény, Bjorn O. Mysen, Michel Pichavant, Francois Holtz

Publikováno v: Chemical Geology. 128:25-39

Unpolarized Raman spectra of hydrous silica and quartzofeldspathic glasses containing 2.8 and 2.0 wt% H 2 O, respectively, have been recorded at 1 atm between room temperature and 700°C in order to investigate the effect of temperature ( T ) on the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0180ea0abc52b7898d2bbc1a6fd7d7b
https://doi.org/10.1016/0009-2541(95)00161-1