Bimetallic metal-organic frameworks for efficient visible-light-driven photocatalytic CO2 reduction and H2 generation

Autores: Ezugwu, CI; Ghosh, S; Bera, S; Faraldos, M; Mosquera, MEG; Rosal, R

Sep. Purif. Technol.. vol: 308. page: 1383-5866.
Fecha: mar-01. 2023.
Doi: 10.1016/j.seppur.2022.122868.

A series of robust octahedral bimetallic metal-organic frameworks, NH2-UiO-66(Zr/M), denoted as Zr/M-ATA, (where M is Fe, Co, or Cu) were prepared by solvothermal de novo reaction of 2-aminoterephthalic acid (denoted as H2ATA) and mixed metal [read more]

2023-03-06T21:01:42+01:00Categories: Destacados, Publications 2023|Tags: , |

Electrochemically assisted photocatalytic degradation of contaminants of emerging concern in simulated wastewater using WO3-Elucidation of mechanisms

Autores: Tolosana-Moranchel, A; McMichael, S; Hamilton, JWJ; Byrne, JA; Fernandez-Ibanez, P

Chem. Eng. J.. vol: 458. page: 1385-8947.
Fecha: feb-15. 2023.
Doi: 10.1016/j.cej.2023.141442.

In this work, the performance of a photoelectrochemical cell to degrade a mixture of contaminants of emerging concern (CECs) in distilled water and simulated wastewater effluents (SWWE) was assessed. The CECs mixture included trimethoprim (TMP), diclofenac (DFC), [read more]

Intermetallic PdZn/TiO2 catalysts for methanol production from CO2 hydrogenation: The effect of ZnO loading on PdZn-ZnO sites and its influence on activity

Autores: Quilis, C; Mota, N; Pawelec, B; Millan, E; Yerga, RMN

Appl. Catal. B-Environ.. vol: 321. page: 0926-3373.
Fecha: FEB. 2023.
Doi: 10.1016/j.apcatb.2022.122064.

In this work, intermetallic PdZn-ZnO catalysts supported on high surface area TiO2 were synthesized using metalorganic precursors and different Zn/Pd molar ratio (2.5, 5 and 7.5). The use of organic Pd and Zn precursors in the impregnation [read more]

Immobilization-stabilization of the dimeric D-amino acid oxidase from porcine kidney

Autores: Carballares, D; Fernandez-Lafuente, R; Rocha-Martin, J

Process Biochem.. vol: 122. page: 1359-5113.
Fecha: NOV. 2022.
Doi: 10.1016/j.procbio.2022.10.002.

This paper shows the immobilization of the dimeric D-amino acid oxidase (DAAO) following different methodologies. Immobilization on glyoxyl-agarose yielded activity recoveries under 5%, and it was discarded. The anion exchange on aminated supports permits the rapid enzyme immobilization, but its activity decreased [read more]

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

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

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]

Surfactant-induced hierarchically porous MOF-based catalysts prepared under sustainable conditions and their ability to remove bisphenol A from aqueous solutions

Autores: Molina, MA; Habib, NR; Diaz, I; Sanchez-Sanchez, M

Catal. Today. vol: 394. page: 0920-5861.
Fecha: jul-01. 2022.
Doi: 10.1016/j.cattod.2021.10.019.

Metal-Organic Frameworks (MOFs) are extensively used in different applications, including heterogeneous catalysis given the fact that practically any center can be designed on demand and is accessible for reactants. Just like any other microporous catalysts, the limited diffusion of reactants [read more]

Influence of W loading, support type, and preparation method on the performance of zirconia or alumina-supported Pt catalysts for n-dodecane hydroisomerization

Autores: Garcia-Perez, D; Blanco-Brieva, G; Alvarez-Galvan, MC; Campos-Martin, JM

Fuel. vol: 319. page: 0016-2361.
Fecha: jul-01. 2022.
Doi: 10.1016/j.fuel.2022.123704.

Catalysts based on zirconia and alumina-supported tungsten oxides (3-18 wt% W) with a small loading of platinum (0.3 wt% Pt) were selected to study the influence of W loading, support type, and preparation methods on the hydroisomerization of n-dodecane. The alumina-and [read more]

Role of alkali-cyano group interaction in g-C3N4 based catalysts for hydrogen photo-production

Autores: Caudillo-Flores, U; Ares-Dorado, A; Alonso-Nunez, G; Tudela, D; Fernandez-Garcia, M; Kubacka, A

Catal. Today. vol: 394. page: 0920-5861.
Fecha: jul-01. 2022.
Doi: 10.1016/j.cattod.2021.06.028.

Carbon nitride based materials incorporating K and Na alkali ions were used as support(s) to deposit platinum. The systems were tested in the photo-production of hydrogen using methanol as a sacrificial molecule. Tests under UV and [read more]

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

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

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]

Eco-friendly mechanochemical synthesis of titania-graphene nanocomposites for pesticide photodegradation

Autores: Gonzalez, VJ; Vazquez, E; Villajos, B; Tolosana-Moranchel, A; Duran-Valle, C; Faraldos, M; Bahamonde, A

Sep. Purif. Technol.. vol: 289. page: 1383-5866.
Fecha: may-15. 2022.
Doi: 10.1016/j.seppur.2022.120638.

Titania graphene hybrid nanocomposites (TiO2-FLG) synthesized from graphite and TiO2 precursors, in a simple and sustainable approach via a three-step method, including the mechanochemical treatment of pre-synthesized FLG and TiO2 NPs are efficient [read more]

2022-06-08T09:23:05+02:00Categories: Destacados, Publicaciones 2022|Tags: , |


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