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

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

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

Abstract:
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]

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

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

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

Abstract:
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]

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

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

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

Abstract:
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]

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]

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

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

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

Abstract:
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]

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

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

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

Abstract:
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]

Effect of surface area and physical-chemical properties of graphite and graphene-based materials on their adsorption capacity towards metronidazole and trimethoprim antibiotics in aqueous solution

Authors: Carrales-Alvarado, DH; Rodriguez-Ramos, I; Leyva-Ramos, R; Mendoza-Mendoza, E; Villela-Martinez, DE

Article.
Chem. Eng. J.. vol: 402. page: 1385-8947.
Date: DEC 15. 2020.
Doi: 10.1016/j.cej.2020.126155.

Abstract:
The adsorption of metronidazole (MNZ) and trimethoprim (TMP) antibiotics from water on nanomaterials synthesized from graphene oxide and graphite, was examined thoroughly. The effect of the physicochemical properties and surface area onto the adsorption capacity of [read more]

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 excellent model for understanding the light [read more]

Promoting H-2 photoproduction of TiO2-based materials by surface decoration with Pt nanoparticles and SnS2 nanoplatelets

Authors: Barba-Nieto, I; Christoforidis, KC; Fernandez-Garcia, M; Kubacka, A

Article.
Appl. Catal. B-Environ.. vol: 277. page: 0926-3373.
Date: nov-15. 2020.
Doi: 10.1016/j.apcatb.2020.119246.

Abstract:
The production of hydrogen from the photoreforming of sacrificial alcohols was essayed using an anatase-based ternary system having N nanoparticles and SnS2 nanoplatelets at the surface of the oxide support. Contact between phases was optimized to achieve optimum functional [read more]

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]

Calendar

May 2022
M T W T F S S
 1
2345678
9101112131415
16171819202122
23242526272829
3031  
Go to Top