Chemical

Improved phenol degradation by catalytic wet air oxidation on the Co3O4 spinel catalysts supported on SBA-15 modified with TiO2

Autores: López-Chico, DY; Pérez-Vidal, H; Torres, G; Lunagómez, MA; Pawelec, B; Yerga, RMN; Vázquez-Salas, PJ; Zepeda, TA

Artículo.
J. Catal.. vol: 429. page: 0021-9517.
Fecha: JAN. 2024.
Doi: 10.1016/j.jcat.2023.115272.

Resumen:
The removal of phenol from aqueous industrial effluents by catalytic wet-air oxidation (CWAO) is a challenging process that requires novel catalysts resistant to leaching of the active phases during residence time in [read more]

Review and perspective: Next generation DME synthesis technologies for the energy transition

Autores: Peinado, C; Liuzzi, D; Sluijter, SN; Skorikova, G; Boon, J; Guffanti, S; Groppi, G; Rojas, S

Review.
Chem. Eng. J.. vol: 479. page: 1385-8947.
Fecha: JAN 1. 2024.
Doi: 10.1016/j.cej.2023.147494.

Resumen:
Renewable dimethyl ether (DME) is expected to contribute to the decarbonization of several sectors, including domestic heat supply and transport. The shift of the carbon source used for the production [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]

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]

Pt-Ni contact engineering in carbon nitride based photocatalysts for hydrogen production

Autores: Sayago-Carro, R; Piqueras-Pérez, P; Du, RF; Li, JS; Yu, J; Arbiol, J; Kubacka, A; Cabot, A; Fernández-García, M

Article.
J. Environ. Chem. Eng.. vol: 11. page: 2213-2929.
Fecha: OCT. 2023.
Doi: 10.1016/j.jece.2023.110921.

Resumen:
The effect of a binary PtNi co-catalyst supported on graphitic carbon nitride nanosheets is studied in the photo-production of hydrogen from methanol:water mixtures. The physicochemical analysis provides evidence [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]

Antibacterial effect of metal-enzyme hybrid nanomaterials

Autores: Rodriguez-Otero, A; Losada-Garcia, N; Guerra-Rodriguez, S; Palomo, JM; Rodriguez-Chueca, J

Artículo.
J. Environ. Chem. Eng.. vol: 11. page: 2213-2929.
Fecha: OCT. 2023.
Doi: 10.1016/j.jece.2023.110499.

Resumen:
The heterogeneous copper and cobalt catalysts (CoNPs-hybrid and CuNPs-hybrid) were synthesized using a protein-directed method to obtain catalytically active nanoparticles for wastewater disinfection, and fully characterized by ICP-OES, XRD, XPS, TEM and SEM analysis. CuNPs-hybrid demonstrated [read more]

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