Shepherding reaction intermediates to optimize H-2 yield using composite-doped TiO2-based photocatalysts

Autores: Barba-Nieto, I; Colon, G; Fernandez-Garcia, M; Kubacka, A

Artículo.
Chem. Eng. J.. vol: 442. page: 1385-8947.
Fecha: AUG 15. 2022.
Doi: 10.1016/j.cej.2022.136333.

Resumen:
Optimization of Pt-promoted TiO2-based is key to promote the photocatalytic production of hydrogen using sacrificial alcohol molecules. Combination of doping and surface decoration of the mentioned base photoactive material is here exploited to maximize hydrogen yield. Using the [read more]

Arturo Pérez2022-06-08T09:31:59+02:00Categories: Publicaciones 2022|Tags: Chemical, Engineering, Environmental; Engineering|

ZnO-functionalized fly-ash based zeolite for ciprofloxacin antibiotic degradation and pathogen inactivation

Autores: Amariei, G; Valenzuela, L; Iglesias-Juez, A; Rosal, R; Visa, M

Artículo.
J. Environ. Chem. Eng.. vol: 10. page: 2213-2929.
Fecha: JUN. 2022.
Doi: 10.1016/j.jece.2022.107603.

Resumen:
There is an increasing need for photocatalytic materials capable to remove pollutants and to deactivate microorganisms for a wide range of applications. Here we report the preparation of fly ash-based zeolite material in which ZnO was [read more]

Arturo Pérez2022-06-08T09:25:44+02:00Categories: Publicaciones 2022|Tags: Chemical, Engineering, Environmental; Engineering|

Thermo-photo production of hydrogen using ternary Pt-CeO2-TiO2 catalysts: A spectroscopic and mechanistic study

Destacados, Publications 2021

Thermo-photo production of hydrogen using ternary Pt-CeO2-TiO2 catalysts: A spectroscopic and mechanistic study

Autores: Caudillo-Flores, U; Barba-Nieto, I; Munoz-Batista, MJ; Meira, DM; Fernandez-Garcia, M; Kubacka, A

Artículo.
Chem. Eng. J.. vol: 425. page: 1385-8947.
Fecha: DEC 1. 2021.
Doi: 10.1016/j.cej.2021.130641.

Resumen:
The gas phase thermo-photo production of hydrogen from methanol:water mixtures was tested using platinum ceria-titania ternary solids. This contribution focusses on the analysis of the role of ceria and the usefulness of combining heat [read more]

Arturo Pérez2022-01-09T19:33:08+01:00Categories: Destacados, Publications 2021|Tags: Chemical, Engineering, Environmental; Engineering|

Assessing quantitatively charge carrier fate in 4-chlorophenol photocatalytic degradation using globular titania catalysts: Implications in quantum efficiency calculation

Autores: Caudillo-Flores, U; Aviles-Garcia, O; Alonso-Nunez, G; Kubacka, A; Fernandez-Garcia, M

Artículo.
J. Environ. Chem. Eng.. vol: 9. page: .
Fecha: OCT. 2021.
Doi: 10.1016/j.jece.2021.106074.

Resumen:
The complex interplay between photons and catalytic powders in liquid-phase photocatalytic degradation reactions requires combined computational and experimental approaches to render a quantitative assessment of the light harvesting and handling properties the system. The full assessment [read more]

Arturo Pérez2021-10-26T00:00:00+02:00Categories: Publications 2021|Tags: Chemical, Engineering, Environmental; Engineering|

Pt/B-g-C3N4 catalysts for hydrogen photo-production: Activity interpretation through a spectroscopic and intrinsic kinetic analysis

Autores: Caudillo-Flores, U; Barba-Nieto, I; Gomez-Cerezo, MN; Rodriguez-Castellon, E; Fernandez-Garcia, M; Kubacka, A

Artículo.
J. Environ. Chem. Eng.. vol: 9. page: .
Fecha: OCT. 2021.
Doi: 10.1016/j.jece.2021.106073.

Resumen:
Carbon nitride based materials doped with boron were used as support to deposit platinum. The systems were tested in the photo-production of hydrogen using methanol as a sacrificial molecule. Tests under UV and sunlight-type [read more]

Arturo Pérez2021-10-26T00:00:00+02:00Categories: Publications 2021|Tags: Chemical, Engineering, Environmental; Engineering|

Tuning the selectivity to aldehyde via pH regulation in the photocatalytic oxidation of 4-methoxybenzyl alcohol and vanillyl alcohol by TiO2 catalysts

Authors: Bellardita, M; Yurdakal, S; Tek, BS; Degirmenci, C; Palmisano, G; Loddo, V; Palmisano, L; Soria, J; Sanz, J; Augugliaro, V

Article.
J. Environ. Chem. Eng.. vol: 9. page: .
Date: AUG. 2021.
Doi: 10.1016/j.jece.2021.105308.

Abstract:
The influence of pH on the photocatalytic partial oxidation of 4-methoxybenzyl alcohol (MBA) and vanillyl alcohol (VA) to their corresponding aldehydes in aqueous suspension under UVA [read more]

Arturo Pérez2021-08-29T00:00:00+02:00Categories: Publications 2021|Tags: Chemical, Engineering, Environmental; Engineering|

Effect of N-doping and carbon nanostructures on NiCu particles for hydrogen production from formic acid

Destacados, Publications 2021

Effect of N-doping and carbon nanostructures on NiCu particles for hydrogen production from formic acid

Autores: Carrales-Alvarado, DH; Lopez-Olmos, C; Dongil, AB; Kubacka, A; Guerrero-Ruiz, A; Rodriguez-Ramos, I

Artículo.
Appl. Catal. B-Environ.. vol: 298. page: 0926-3373.
Fecha: DEC 5. 2021.
Doi: 10.1016/j.apcatb.2021.120604.

Resumen:
A series of NiCu based catalysts were prepared using different carbon nanostructure as support and loading 2.5 wt% of each metal. The studied nanocarbon materials were: reduced graphene oxide (rGO), N-doped reduced graphene oxide [read more]

Arturo Pérez2021-10-03T18:37:28+02:00Categories: Destacados, Publications 2021|Tags: Chemical, Chemistry, Environmental; Engineering, Physical; Engineering|

Vapor phase acylation of guaiacol with acetic acid over micro, nano and hierarchical MFI and BEA zeolites

Destacados, Publications 2021

Vapor phase acylation of guaiacol with acetic acid over micro, nano and hierarchical MFI and BEA zeolites

Autores: Gutierrez-Rubio, S; Shamzhy, M; Cejka, J; Serrano, DP; Moreno, I; Coronado, JM

Artículo.
Appl. Catal. B-Environ.. vol: 285. page: 0926-3373.
Fecha: may-15. 2021.
Doi: 10.1016/j.apcatb.2020.119826.

Resumen:
Vapor phase acylation of guaiacol with acetic acid was explored over a series of micro, nanocrystalline, and hierarchical MFI and BEA zeolites with different acidic and textural properties using a continuous flow reactor. The main [read more]

Arturo Pérez2021-04-08T12:26:16+02:00Categories: Destacados, Publications 2021|Tags: Chemical, Chemistry, Environmental; Engineering, Physical; Engineering|

Strong effect of light scattering by distribution of TiO2 particle aggregates on photocatalytic efficiency in aqueous suspensions

Destacados, Publicaciones 2020

Strong effect of light scattering by distribution of TiO2 particle aggregates on photocatalytic efficiency in aqueous suspensions

Authors: Tolosana-Moranchel, A; Pecharroman, C; Faraldos, M; Bahamonde, A Article. Chem. Eng. J.. vol: 403. page: 1385-8947. Date: JAN 1. 2021. Doi: 10.1016/j.cej.2020.126186. Abstract: This work examines the important role of light power absorbed by TiO2 on the photocatalytic degradation of dichloroacetic acid (DCA) in a semi-continuous slurry photoreactor with UV-Vis radiation. This system is an [read more]

Arturo Pérez2020-11-05T10:49:40+01:00Categories: Destacados, Publicaciones 2020|Tags: Chemical, Engineering, Environmental; Engineering|

Performance of an aliovalent-substituted CoCeOx catalyst from bimetallic MOF for VOC oxidation in air

Destacados, Publicaciones 2020

Performance of an aliovalent-substituted CoCeOx catalyst from bimetallic MOF for VOC oxidation in air

Authors: Li, YX; Han, W; Wang, RX; Weng, LT; Serrano-Lotina, A; Banares, MA; Wang, QY; Yeung, KL

Article.
Appl. Catal. B-Environ.. vol: 275. page: 0926-3373.
Date: oct-15. 2020.
Doi: 10.1016/j.apcatb.2020.119121.

Abstract:
The aliovalent-substitution of cobalt into ceria lattice was demonstrated using a bimetallic CoCeBDC MOF to achieve a high degree of atomic level mixing in the CoCeOx catalyst. Spectroscopic analyses including X-ray [read more]

Arturo Pérez2020-07-02T17:55:42+02:00Categories: Destacados, Publicaciones 2020|Tags: Chemical, Chemistry, Environmental; Engineering, Physical; Engineering|

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