Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Kais Nahdi"'
Autor:
Mehdi Béjaoui, Abdelhakim Elmhamdi, Laura Pascual, Patricia Pérez-Bailac, Kais Nahdi, Arturo Martínez-Arias
Publikováno v:
Catalysts, Vol 11, Iss 1, p 15 (2020)
CoFe2O4 prepared by sol-gel has been examined with respect to its catalytic performance for preferential CO oxidation in a H2-rich stream. In turn, the promoting effects of incorporation of Ce, Co, Cu, and Zr by impregnation on the surface of CoFe2O4
Externí odkaz:
https://doaj.org/article/4dfd1cb2f0a740e9b4b2a065d338bcc9
Publikováno v:
Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry, Springer Verlag, 2019, 138 (3), pp.1923-1933. ⟨10.1007/s10973-019-08431-1⟩
Journal of Thermal Analysis and Calorimetry, Springer Verlag, 2019, 138 (3), pp.1923-1933. ⟨10.1007/s10973-019-08431-1⟩
A sample of MgO was successfully synthesized using thermal decomposition of hydromagnesite and compared to commercial material. The characterization of materials using XRD, SEM, BET and BJH methods showed that the thermal decomposition way led to rec
Autor:
Laura Pascual, Abdelhakim Elmhamdi, Patricia Pérez-Bailac, Kais Nahdi, Mehdi Béjaoui, Arturo Martínez-Arias
Publikováno v:
Catalysts
Volume 11
Issue 1
Catalysts, Vol 11, Iss 15, p 15 (2021)
Digital.CSIC. Repositorio Institucional del CSIC
instname
Volume 11
Issue 1
Catalysts, Vol 11, Iss 15, p 15 (2021)
Digital.CSIC. Repositorio Institucional del CSIC
instname
CoFe2O4 prepared by sol-gel has been examined with respect to its catalytic performance for preferential CO oxidation in a H2-rich stream. In turn, the promoting effects of incorporation of Ce, Co, Cu, and Zr by impregnation on the surface of CoFe2O4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f3912d21974a97b6f0fee2edb3bae4b
http://hdl.handle.net/10261/225768
http://hdl.handle.net/10261/225768
Publikováno v:
Applied Catalysis B: Environmental. 217:1-11
CuMn 2 O 4 prepared by a microemulsion method is employed as support of ceria with different loading level (between 5 and 80 wt.%) and the CO-PROX properties of corresponding catalysts are explored. The catalysts have been characterized by XRD, S BET
Autor:
Laura Pascual, Abdelhakim Elmhamdi, Anna Kubacka, Kais Nahdi, Arturo Martínez-Arias, Rafael Castañeda
Publikováno v:
Applied Catalysis B: Environmental. 188:292-304
Catalysts of copper (1 wt.%) supported on a CeO2/MgAl2O4 mixed support have been prepared by using different pH values (pH ∼ 4, 8 and 10) in the impregnating solution of copper with the aim of favoring different situations of interaction between co
Autor:
Pedro Jiménez, Luis Allan Pérez Maqueda, Kais Nahdi, Raoudha Yahyaoui, José Manuel Criado Luque
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
instname
Here, a kinetic study of the thermal decomposition of synthesized hydrotalcite, Mg6 Al2 CO3 (OH)16·4H2O, has been carried out using thermogravimetric experiments in air atmosphere. It is shown that the thermal decomposition occurs in two well differ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c5b283923dcfbb98fdd3e0fe78dcd69
http://hdl.handle.net/10261/194401
http://hdl.handle.net/10261/194401
Autor:
Abdelhakim Elmhamdi, Kais Nahdi
Publikováno v:
European Journal of Chemistry. 6:314-318
Magnesium aluminate nanoparticles have been synthesized by a citrate sol-gel route. X-ray diffraction and IR spectroscopy study confirmed the formation of MgAl 2 O 4 cubic spinel structure without presence of any secondary phase. Crystallite size of
Autor:
Kais Nahdi, Jaouher Diouani
Publikováno v:
JOURNAL OF ADVANCES IN CHEMISTRY. 11:3940-3949
The present work is focused on the kinetic study of hydromagnesite thermal decomposition carried out by constant rate thermal analysis technique at 5 hPa partial pressure. The apparent activation energies were measured experimentally all along the de
Publikováno v:
Solid State Sciences. 11:1028-1034
The present work is the first kinetic study of Mg(OH)2 dehydroxylation carried out by controlled rate thermal analysis technique. Its aim is first to highlight the importance of controlling the residual water vapor pressure above the sample as well a
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 96:455-461
The aim of this work is to highlight the importance of controlling the residual water vapour pressure above the sample as well as the rate of the thermal decomposition during the thermal dehydration of cerium cyclotriphosphate trihydrate CeP3O9·3H2O