Zobrazeno 1 - 10
of 12
pro vyhledávání: '"and Rafeh Bechara"'
Autor:
A. Pede, David Gillan, Yue Gao, Koen Sabbe, Kevin Denis, Gabriel Billon, Martine Leermakers, Ludovic Lesven, Philippe Grosjean, Willy Baeyens, Rafeh Bechara
Publikováno v:
Marine Pollution Bulletin. 64:353-362
Our current view about the relationship between metals and bacteria in marine sediments might be biased because most studies only use ex situ approaches to quantify metals. The aim of the present research was to compare ex situ and in situ methods of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d40601cc4de9c5164a025edd5dd5854f
https://doi.org/10.1016/j.marpolbul.2011.11.001
https://doi.org/10.1016/j.marpolbul.2011.11.001
Publikováno v:
Microporous and Mesoporous Materials
Microporous and Mesoporous Materials, 2005, 79, pp.Pages 29-39. ⟨10.1016/j.micromeso.2004.10.013⟩
Microporous and Mesoporous Materials, Elsevier, 2005, 79, pp.Pages 29-39. ⟨10.1016/j.micromeso.2004.10.013⟩
Microporous and Mesoporous Materials, 2005, 79, pp.Pages 29-39. ⟨10.1016/j.micromeso.2004.10.013⟩
Microporous and Mesoporous Materials, Elsevier, 2005, 79, pp.Pages 29-39. ⟨10.1016/j.micromeso.2004.10.013⟩
International audience; The effect of modification with cobalt via aqueous impregnation on the structure of MCM-41 and SBA-15 materials was studied using X-ray diffraction (XRD) at low scattering angles and low-temperature nitrogen adsorption. It was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad45469bafd0ee89abe65745b4acafdd
https://doi.org/10.1016/j.micromeso.2004.10.013
https://doi.org/10.1016/j.micromeso.2004.10.013
Publikováno v:
Applied Catalysis A: General. 254:273-288
The effect of support mesoporous structure and cobalt content on cobalt dispersion and reducibility was studied using two series of Fischer–Tropsch (FT) silica supported cobalt catalysts. The first series of the catalysts was supported by an SBA-15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d38ac21b9d42b72e8ec4af653fbcdea5
https://doi.org/10.1016/s0926-860x(03)00489-7
https://doi.org/10.1016/s0926-860x(03)00489-7
Publikováno v:
Journal of Catalysis. 206:230-241
Pore size effects on Fischer Tropsch reaction rates and selectivities over cobalt catalysts were studied at atmospheric pressure using periodic (SBA-15 and MCM-41) and commercial mesoporous silicas as catalytic supports. The catalysts were characteri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45a1a8b68ae12e1b3ac3c006711383e8
https://doi.org/10.1006/jcat.2001.3496
https://doi.org/10.1006/jcat.2001.3496
Autor:
Giuseppe Fornasari, Laura Forni, Michel Fournier, Ferruccio Trifiro, Alain D'Huysser, Rafeh Bechara, Angelo Vaccari
Publikováno v:
Catalysis Letters. 82:59-67
Hydrotalcite-like compounds with boron anions in the interlayer were obtained using a coprecipitation method. The effect of different pH values during the preparation was investigated and the effect on crystallinity and phase distribution studied. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26bd2e345fafdf0a74eaf0dbfc1a0ff4
https://doi.org/10.1023/a:1020535923499
https://doi.org/10.1023/a:1020535923499
Publikováno v:
The Journal of Physical Chemistry B. 105:9805-9811
The effect of porosity in a wide range of mesopore diameters (dp = 20−330 A) on the dispersion and reducibility of cobalt species in mesoporous silicas is examined using nitrogen adsorption, X-ray diffraction, thermogravimetric analysis, and in sit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9338bd41b9211e7edb5811c5cc2703a2
https://doi.org/10.1021/jp011989u
https://doi.org/10.1021/jp011989u
Publikováno v:
Applied Catalysis A: General. 207:343-353
Co/Al2O3 catalysts, prepared from four commercial aluminas, with different cobalt loading have been studied for the carbon monoxide hydrogenation (Fischer–Tropsch synthesis). The effects of reaction and reduction temperatures, deactivation, cobalt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2479fb3177036a9934ad325dfa4ad48
https://doi.org/10.1016/s0926-860x(00)00672-4
https://doi.org/10.1016/s0926-860x(00)00672-4
Publikováno v:
Phosphorus Research Bulletin. 10:448-453
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d88977083ebc44949044348d3a0c3846
https://doi.org/10.3363/prb1992.10.0_448
https://doi.org/10.3363/prb1992.10.0_448
Publikováno v:
Journal de Chimie Physique. 94:1962-1968
Les resultats obtenus par DRX, SPX, thermogravimetrie et magnetisme des catalyseurs Co/γ-Al 2 O 3 prepares avec des supports ayant une grande aire specifique montrent la formation de complexes plus difficiles a reduire que l'oxyde Co 3 O 4 . Les res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86ae987603d3a6bc4f2f4a0acc610668
https://doi.org/10.1051/jcp/1997941962
https://doi.org/10.1051/jcp/1997941962
Autor:
Denise Ghoussoub, C. F. Aissi, Michel Guelton, Rafeh Bechara, Antoine Abou Kais, Jean Pierre Bonnelle
Publikováno v:
J. Chem. Soc., Faraday Trans.. 87:631-636
EPR and XPS have been used to study the redox reaction on CuTh oxide catalysts with different Cu/Th atomic ratios. Apart from the substitutional (S) sites occupied by Cu2+ ions both in the bulk and on the surface of thoria, other Cu2+ ions, occupying
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0012a8962150a58db8246dc8cd4f291
https://doi.org/10.1039/ft9918700631
https://doi.org/10.1039/ft9918700631