Engineering

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

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

Resumen:
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

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

Resumen:
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]

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]

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]

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

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

Resumen:
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: , |

Zirconium-based Metal-Organic Frameworks for highly efficient solar light-driven photoelectrocatalytic disinfection

Autores: Valenzuela, L; Amariei, G; Ezugwu, CI; Faraldos, M; Bahamonde, A; Mosquera, MEG; Rosal, R

Artículo.
Sep. Purif. Technol.. vol: 285. page: 1383-5866.
Fecha: mar-15. 2022.
Doi: 10.1016/j.seppur.2021.120351.

Resumen:
Two synthesized zirconium-based Metal-Organic Frameworks (Zr-MOFs), using 2,6-naphthalenedicarboxylic acid (NDC) and amino-functionalized NDC (4,8-diaminonaphthalene-2,6-dicarboxylic acid, NDC-2NH(2)) as linkers, have been studied in photoelectrocatalytic disinfection processes. The Zr-based MOFs were deposited onto graphite paper [read more]

2023-01-15T12:12:09+01:00Categories: Publicaciones 2022|Tags: , |

Advances in membranes and membrane reactors for the Fischer-Tropsch synthesis process for biofuel production

Autores: Liuzzi, D; Fernandez, E; Perez, S; Ipinazar, E; Arteche, A; Fierro, JLG; Viviente, JL; Tanaka, DAP; Rojas, S

Review.
Rev. Chem. Eng.. vol: 38. page: 0167-8299.
Fecha: JAN 27. 2022.
Doi: 10.1515/revce-2019-0067.

Resumen:
The biomass-to-liquid (BtL) process is a promising technology to obtain clean, liquid, second-generation biofuels and chemicals. The BtL process, which comprises several steps, is based upon the gasification [read more]

2022-01-27T00:00:00+01:00Categories: Publicaciones 2022|Tags: , |

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]

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]

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]

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