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]

Controlled selectivity for ethanol steam reforming reaction over doped CeO2 surfaces: The role of gallium

Authors: Vecchietti, J; Lustemberg, P; Fornero, EL; Calatayud, M; Collins, SE; Mohr, S; Ganduglia-Pirovano, MV; Libuda, J; Bonivardi, AL

Article.
Appl. Catal. B-Environ.. vol: 277. page: 0926-3373.
Date: nov-15. 2020.
Doi: 10.1016/j.apcatb.2020.119103.

Abstract:
The ethanol steam reforming reaction, together with the adsorption and decomposition of ethanol was studied on CeO2 and gallium-doped ceria (CeGaOx) by a combined experimental and theoretical approach using [read more]

Fe doped porous triazine as efficient electrocatalysts for the oxygen reduction reaction in acid electrolyte

Authors: Garcia, A; Retuerto, M; Dominguez, C; Pascual, L; Ferrer, P; Gianolio, D; Serrano, A; Assmann, P; Sanchez, DG; Pena, MA; Rojas, S

Article.
Appl. Catal. B-Environ.. vol: 264. page: 0926-3373.
Date: may-05. 2020.
Doi: 10.1016/j.apcatb.2019.118507.

Abstract:
In this work, we report the synthesis of Fe/N/C electrocatalysts using triazine based porous organic polymers as precursors. Iron-doped triazine porous organic polymers were obtained [read more]

Genetically engineered proteins with two active sites for enhanced biocatalysis and synergistic chemo- and biocatalysis

Authors: Sandra Alonso, Gerard Santiago, Isabel Cea-Rama, Laura Fernandez-Lopez, Cristina Coscolín, Jan Modregger, Anna K. Ressmann, Mónica Martínez-Martínez, Helena Marrero, Rafael Bargiela, Marcos Pita, Jose L. Gonzalez-Alfonso, Manon L. Briand, David Rojo, Coral Barbas, Francisco J. Plou, Peter N. Golyshin, Patrick Shahgaldian, Julia Sanz-Aparicio, Víctor Guallar & Manuel Ferrer.

Article.
Nat Catal 3, 319–328 (2020).
Date: March 2020.
Doi: 10.1038/s41929-019-0394-4

Abstract:
Enzyme engineering has allowed not only the de novo creation of active sites catalysing known biological reactions with rates close to diffusion limits, [read more]

g-C3N4/TiO2 composite catalysts for the photo-oxidation of toluene: Chemical and charge handling effects

Authors: Caudillo-Flores, U; Munoz-Batista, MJ; Luque, R; Fernandez-Garcia, M; Kubacka, A

Article.
Chem. Eng. J.. vol: 378. page: 1385-8947.
Date: DEC 15. 2019.
Doi: 10.1016/j.cej.2019.122228.

Abstract:
The interaction between carbon nitride and titania in g-C3N4/TiO2 materials is analyzed from a new perspective. The composite materials are prepared using a well crystallized anatase substrate over which carbon nitride (0.5-4 wt%, promoted or not [read more]

Hydrogen thermo-photo production using Ru/TiO2: Heat and light synergistic effects

Authors: Caudillo-Flores, U; Agostini, G; Marini, C; Kubacka, A; Fernandez-Garcia, M

Article.
Appl. Catal. B-Environ.. vol: 256. page: 0926-3373.
Date: nov-05. 2019.
Doi: 10.1016/j.apcatb.2019.117790.

Abstract:
A series of ruthenium – anatase solids with noble metal loadings from 1 to 10 wt. %. was tested in the gas phase thermo-photo production of hydrogen using methanol as a sacrificial agent. Samples were characterized using [read more]

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