Carolina Leyva Inzunza

Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada Unidad Legaria
Investigador
Ciudad de México
Académico - Investigador

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Productos Científicos

Capitulo(s) de Libro.

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Articulo(s) de Revista(s).

Título:

A comparative study on the effect of promoter content of hydrodesulfurization catalysts at different evaluation scales

Autor:

C. Leyva, J. Ancheyta, M. S. Rana, G. Marroquín

Resumen:

CoMo and NiMo supported Al2O3 catalysts have been investigated for hydrotreating of model molecule as well as industrial feedstock. Activity studies were carried out for thiophene and SRGO hydrodesulfurization (HDS) in an atmospheric pressure and batch reactor respectively. These activities on sulfided cataly...

URL:

https://www.sciencedirect.com/science/article/pii/S0016236106002067

Título:

Surface characterization of Al2O3-SiO2 supported NiMo catalysts: An effect of support composition

Autor:

C. Leyva, M. S. Rana, J. Ancheyta

Resumen:

Al2O3–SiO2 mixed oxide has been investigated as a support for hydrotreating catalyst with variation of its composition [Si/(Si + Al) = 0.06, 0.12, 0.31, 0.56, 0.78] and its interaction with the surface active metals (NiMo). The composition of support and surface species (NiMo) of catalysts were characterize...

URL:

https://www.sciencedirect.com/science/article/pii/S0920586107006992?via%3Dihub#fig5

Título:

NiMo supported acidic catalysts for heavy oil hydroprocessing

Autor:

C. Leyva, M. S. Rana, F. Trejo, J. Ancheyta

Resumen:

Large pore diameter Al2O3-SiO2 acidic mixed oxide supports were prepared by using homogeneous co-precipitation method. The acidic properties of supports (oxide) and supported catalysts (sulfided) were chemically probed with cumene cracking (HCR) into propane and benzene at atmospheric pressure and 400 °C. Ni...

URL:

https://www.sciencedirect.com/science/article/pii/S0920586108001247?via%3Dihub

Título:

Effect of catalyst preparation and support ,composition on hydrodesulfurization of dibenzothiophene and Maya crude oi

Autor:

M. S. Rana, E. M. Capitaine, C. Leyva, J. Ancheyta

Resumen:

Hydrodesulfurization (HDS) of dibenzothiophene (DBT) was carried out in a batch reactor at 3.3 MPa and 340 °C. Sulfided catalysts showed a wide range of activity variation as a function of support composition, which established that sulfided active phases strongly depend on the nature and composition of supp...

URL:

https://www.sciencedirect.com/science/article/pii/S0016236106003589?via%3Dihub

Título:

On the use on acid-base-supported catalysts for hydroprocessing of heavy petroleum

Autor:

C. Leyva, M. S. Rana, F. Trejo, J. Ancheyta

Resumen:

The environmental regulation pressure is being increased to reduce precursors of pollution contaminants (sulfur, nitrogen, and aromatics) in fuels to lower levels. There are various processes to upgrade heavy and extra-heavy crude oils, such as solvent deasphalting, thermal conversion, catalytic conversion, d...

URL:

http://pubs.acs.org/doi/abs/10.1021/ie070128q

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