Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Osvaldo A. Scelza"'
Autor:
Graciela Mabel Baez, Osvaldo Antonio Scelza, Sergio Rubén de Miguel, Sonia Alejandra Bocanegra
Publikováno v:
Materials Research, Vol 18, Iss 2, Pp 404-410 (2015)
Structured materials composed of α-Al2O3 spheres covered with a porous and thin layer of MgAl2O4 or ZnAl2O4 were obtained. The innovative coating method developed consists in the formation of a precursor gel of MgAl2O4 or ZnAl2O4 by citrate-nitrate
Externí odkaz:
https://doaj.org/article/b8af92bd2c524ee38605e96a6894d409
Autor:
Ernesto R. Gonzalez, Virginia Ines Rodriguez, Osvaldo A. Scelza, Thairo A. Rocha, Sergio R. de Miguel, Natalia Soledad Veizaga, Mariano M. Bruno
Publikováno v:
Journal of The Electrochemical Society. 162:F243-F249
Pt-Sn anodic catalysts supported on multiwall carbon nanotubes, mesoporous carbon and Vulcan carbon were prepared using a deposition-reduction technique with sodium borohydride, characterized by different techniques and tested as anodes in a single d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::823cf010e3cb0ab6b7191fa572758649
https://doi.org/10.1149/2.0181503jes
https://doi.org/10.1149/2.0181503jes
Publikováno v:
Applied Catalysis A: General. 467:235-245
The catalytic performance of Pt, PtSn and PtGe supported on ZnAl2O4 obtained by mechanochemical synthesis (MS) or coprecipitation (COPR) is studied in the production of 1-decene from the n-decane dehydrogenation. The effect of preparation methods and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9dbf59b4e229a6259526012e3f98228
https://doi.org/10.1016/j.apcata.2013.07.030
https://doi.org/10.1016/j.apcata.2013.07.030
Autor:
José L. Fernández, Sergio R. de Miguel, Osvaldo A. Scelza, Natalia Soledad Veizaga, Mariano M. Bruno
Publikováno v:
International Journal of Hydrogen Energy. 37:17910-17920
The objective of this study is to evaluate different methods to obtain Pt (20 wt%)/carbon electrocatalysts, in order to identify the conditions that lead to electrocatalysts with the best electrochemical performance. This paper involves the study of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f67b6e7540bf51f14e89a3c7a3fa3e3d
https://doi.org/10.1016/j.ijhydene.2012.08.144
https://doi.org/10.1016/j.ijhydene.2012.08.144
Autor:
Osvaldo A. Scelza, Patricia Daniela Zgolicz, Sergio R. de Miguel, Julieta Paola Stassi, Maria Julia Yañez
Publikováno v:
Journal of Catalysis. 290:37-54
Pt-based catalysts supported on multi-wall carbon nanotubes were developed to study the influence of the support surface composition on the catalytic performance in the selective hydrogenation of citral to the corresponding unsaturated alcohols. Supp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3479dfb28bdc76cb108bdd2b199eca2
https://doi.org/10.1016/j.jcat.2012.02.020
https://doi.org/10.1016/j.jcat.2012.02.020
Autor:
Sergio R. de Miguel, Virginia Ines Rodriguez, Patricia Daniela Zgolicz, Osvaldo A. Scelza, Irene María Julieta Vilella
Publikováno v:
Applied Catalysis A: General. 392:208-217
The liquid phase citral hydrogenation, using Pt and PtSn catalysts supported on MgAl 2 O 4 and γ-Al 2 O 3 , was studied in a stirred reactor at 70 °C and atmospheric pressure. It was found that the addition of Sn to the Pt catalysts increases the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::495ca8dc94b1bee2aad1421f8300feb2
https://doi.org/10.1016/j.apcata.2010.11.017
https://doi.org/10.1016/j.apcata.2010.11.017
Autor:
Alberto A. Castro, Osvaldo A. Scelza, Sergio R. de Miguel, Irene María Julieta Vilella, Patricia Daniela Zgolicz, Adriana Daniela Ballarini
Publikováno v:
Applied Catalysis A: General. 381:83-91
In this paper the catalytic performance of Pt, PtSn and PtGe catalysts supported on γ-Al 2 O 3 (γ-A) prepared by washcoating of spheres of α-Al 2 O 3 (α-A) is studied in the n-butane dehydrogenation. For this purpose, the effect of the addition o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9fab8897ef3165495d5a0d751c9b981
https://doi.org/10.1016/j.apcata.2010.03.053
https://doi.org/10.1016/j.apcata.2010.03.053
Autor:
M. Granada, Osvaldo A. Scelza, Horacio R. Corti, Federico J. Nores-Pondal, Horacio Esteban Troiani, S.R. de Miguel, Irene María Julieta Vilella
Publikováno v:
International Journal of Hydrogen Energy. 34:8193-8203
In this work nanoparticulated platinum catalysts have been prepared on carbon Vulcan XC-72 using three methods starting with chloroplatinic acid as a precursor: (i) formic acid as a reductor agent; (ii) impregnation method followed by reduction in hy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::85fed789af7164ed27f451e18ebe608d
https://doi.org/10.1016/j.ijhydene.2009.07.073
https://doi.org/10.1016/j.ijhydene.2009.07.073
Autor:
Sonia A. Bocanegra, S.R. de Miguel, Adriana Daniela Ballarini, Patricia Daniela Zgolicz, Osvaldo A. Scelza
Publikováno v:
Catalysis Today. 143:334-340
A study about the performance of Pt(0.3 wt%)Sn(0.3 wt%) catalysts supported on different materials in n-butane dehydrogenation is reported in this paper. The materials used as supports were γ-Al2O3, ZnAl2O4 spinel, MgAl2O4 spinel and spheres of α-A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e40cb45effb46458aa55f20ff08cb9ec
https://doi.org/10.1016/j.cattod.2008.10.002
https://doi.org/10.1016/j.cattod.2008.10.002
Autor:
Alberto A. Castro, Sergio R. de Miguel, Sonia A. Bocanegra, Osvaldo A. Scelza, Adriana Daniela Ballarini
Publikováno v:
Catalysis Letters. 129:293-302
In this work the synthesis of a ZnAl2O4 spinel to be used as a support of metals and its characterization were studied. The methods used for the ZnAl2O4 preparation were: ceramic method (CM), mechanochemical synthesis in humid medium (HMS) and coprec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbf0ba5b9f1afeb02b146cadd673b0c6
https://doi.org/10.1007/s10562-008-9833-6
https://doi.org/10.1007/s10562-008-9833-6