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

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

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

Abstract:
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

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

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

Abstract:
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

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

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

Abstract:
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]

2022-06-08T09:21:38+02:00Categories: Highlights, Publications 2022|Tags: , |

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

Authors: 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.
Date: JAN 27. 2022.
Doi: 10.1515/revce-2019-0067.

Abstract:
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]

2022-05-05T18:15:36+02:00Categories: Publications 2022|Tags: , |

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]

Microemulsion vs. Precipitation: Which Is the Best Synthesis of Nickel-Ceria Catalysts for Ethanol Steam Reforming?

Authors: Pizzolitto, C; Menegazzo, F; Ghedini, E; Arias, AM; Corberan, VC; Signoretto, M

Article.
Processes. vol: 9. page: .
Date: JAN. 2021.
Doi: 10.3390/pr9010077.

Abstract:
Ethanol steam reforming is one of the most promising ways to produce hydrogen from biomass, and the goal of this research is to investigate robust, selective and active catalysts for this reaction. In particular, this work is [read more]

2021-02-11T09:08:38+01:00Categories: Publications 2021|Tags: , |

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]

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