Applied; Chemistry

Effect of alkali addition on a Cu/SmCeO2 @TiO(2 )catalyst for NO reduction with CO under oxidizing conditions

Autores: Lopez, N; Monte, M; Iglesias-Juez, A; Portela, R; Guo, XY; Zhu, Y; Aguila, G; Araya, P; Guerrero, S

Artículo.
Catal. Today. vol: 423. page: 0920-5861.
Fecha: nov-01. 2023.
Doi: 10.1016/j.cattod.2023.114247.

Resumen:
The accumulation of alkali metals generated during biomass combustion onto the catalysts employed for off-gas treatment can have a detrimental effect on their performance. This work investigates the effect of [read more]

Effect of low-loading of Ni on the activity of La0.9Sr0.1FeO3 perovskites for chemical looping dry reforming of methane

Autores: Sastre, D; Pizarro, P; Coronado, JM

Artículo.
Catal. Today. vol: 423. page: 0920-5861.
Fecha: nov-01. 2023.
Doi: 10.1016/j.cattod.2023.114289.

Resumen:
Methane dry reforming (MDR) is a very appealing process to bring back waste CO2 into the chemical production chain. Operating in chemical looping (CL) conditions allows to reduce deactivation by coke deposition and fa-cilitates the use of concentrating solar energy to power [read more]

CoFe-loaded P, N co-doped carbon foam derived from petroleum pitch waste: An efficient electrocatalyst for oxygen evolution reaction

Autores: Gebreslase, GA; Sebastián, D; Martínez-Huerta, MV; Tsoncheva, T; Tsyntsarski, B; Georgiev, G; Lázaro, MJ

Artículo.
Catal. Today. vol: 423. page: 0920-5861.
Fecha: nov-01. 2023.
Doi: 10.1016/j.cattod.2022.12.022.

Resumen:
Designing and developing affordable, high-performance, and stable electrocatalysts for oxygen evolution reaction (OER) is decisive for pragmatic water electrolysis to produce green hydrogen energy. In this work, we report cobalt and iron incorporated in [read more]

Independent and simultaneous photocatalytic decontamination and disinfection of water over In2O3/TiO2 heterojunctions

Autores: Martín, I; Reñones, P; Rodríguez-Chueca, J; Oshea, VA; Fresno, F; García-Muñoz, P

Article.
Catal. Today. vol: 426. page: 0920-5861.
Fecha: OCT 1. 2023.
Doi: 10.1016/j.cattod.2023.114397.

Resumen:
We have explored the application of In2O3/TiO2 heterojunctions to the photocatalytic removal of a substance classified as a pollutant of emerging concern, such as the anti-inflammatory drug sodium diclofenac (DCF), from aqueous solutions. In [read more]

Hybrid biological/inorganic photocathode for H2 production based on a NiFeSe hydrogenase immobilized on electrodeposited CuGaS2

Autores: Luna-Lopez, G; Sainz, R; Coito, AM; Pichon, C; Iglesias-Juez, A; Pereira, IAC; De Lacey, AL; Pita, M

Article.
Catal. Today. vol: 423. page: 0920-5861.
Fecha: nov-01. 2023.
Doi: 10.1016/j.cattod.2023.114281.

Resumen:
In order to mitigate global warming and pollution problems, new energy vectors need to be developed towards a fossil fuel-free society. Hydrogen is a great candidate for the role, since it [read more]

Effect of niobium on the performance of Pd-TiO2 photocatalysts for hydrogen production

Autores: Caudillo-Flores, U; Fuentes-Moyado, S; Fernandez-Garcia, M; Kubacka, A

Artículo.
Catal. Today. vol: 419. page: 0920-5861.
Fecha: jul-01. 2023.
Doi: 10.1016/j.cattod.2023.114147.

Resumen:
A series of catalysts with growing quantities of Niobium were prepared using Pd as co-catalyst and a high surface area titania support. All samples displayed a constant Pd particle size of ca. 4.6 nm and a support where Niobium appears [read more]

Combined Operando XANES and NMR and ESR Spectroscopies for the Determination of VPO Dynamic States

Autores: Guerrero-Perez, MO; Lapina, OB; Rasmussen, SB; Banares, MA

Artículo; Early Access.
Top. Catal.. vol: . page: 1022-5528.
Fecha: 2023 MAY 29. 2023.
Doi: 10.1007/s11244-023-01827-2.

Resumen:
Nanoscaled-VPO (vanadium phosphate oxide) catalysts have been prepared on an alumina support with the objective of obtaining crystallites of the active phase with a high surface-to-volume ratio. Since the catalysed reaction occurs at the surface, these [read more]

Influence of the solid titanium source on the activity of La1_xTixFeO3 photo-CWPO catalysts under UV-A light

Autores: Garcia-Munoz, P; Fresno, F; Lefevre, C; Robert, D; Keller, N

Artículo.
Catal. Today. vol: 413. page: 0920-5861.
Fecha: mar-15. 2023.
Doi: 10.1016/j.cattod.2022.12.005.

Resumen:
In the search for more efficient low-temperature catalysts able to oxidise biorecalcitrant pollutants in water, the selective substitution of La3+ by Ti3+ cations was reported to boost the UV-A light driven activity of LaFeO3 orthoferrites as H2O2-mediated photo-CWPO [read more]

Solar hydrogen production from ethanol-water vapours over metal/TiO2 photocatalysts supported on ?-SiC alveolar foams

Autores: Garcia-Munoz, P; Ivanez, J; O’Shea, VAD; Keller, N; Fresno, F

Article.
Catal. Today. vol: 413. page: 0920-5861.
Fecha: mar-15. 2023.
Doi: 10.1016/j.cattod.2022.12.018.

Resumen:
In this work, we have explored the feasibility of alveolar open-cell beta-SiC foams as catalyst support for solar hydrogen production. For that purpose, Pt and Ru nanoparticles have been obtained, by means of photoassisted synthesis, on TiO2-coated foams [read more]

Go to Top