Silica Bifunctional Supports for the Direct Synthesis of H2O2: Optimization of Br/Acid Sites and Pd/Br Ratio

Autores: Blanco-Brieva, G; Desmedt, F; Miquel, P; Campos-Martin, JM; Fierro, JLG

Arículo.
Catalysts. vol: 12. page: .
Fecha: JUL. 2022.
Doi: 10.3390/catal12070796.

Resumen:
We have studied the direct synthesis of hydrogen peroxide using a catalytic system consisting of palladium supported on silica bifunctionalized with sulfonic acid groups and bromide in the absence of acid and halide promoters in solution. Catalysts with several [read more]

Arturo Pérez2022-09-14T10:57:38+02:00Categories: Publicaciones 2022|Tags: Chemistry, Physical|

Review of Existing Standards, Guides, and Practices for Raman Spectroscopy

Autores: Ntziouni, A; Thomson, J; Xiarchos, I; Li, X; Banares, MA; Charitidis, C; Portela, R; Diz, EL

Review.
Appl. Spectrosc.. vol: 76. page: 0003-7028.
Feha: JUL. 2022.
Doi: 10.1177/00037028221090988.

Resumen:
Over the past decades Raman spectroscopy has been extensively used both on an industrial and academic level. This has resulted in the development of numerous specialized Raman techniques and Raman active products, [read more]

Arturo Pérez2022-09-14T10:56:52+02:00Categories: Publicaciones 2022|Tags: Instruments & Instrumentation; Spectroscopy|

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

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

Resumen:
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]

Arturo Pérez2022-06-08T09:20:11+02:00Categories: Publicaciones 2022|Tags: Chemical, Energy & Fuels; Engineering|

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

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

Resumen:
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]

Arturo Pérez2022-07-01T00:00:00+02:00Categories: Publicaciones 2022|Tags: Applied; Chemistry, Chemical, Chemistry, Physical; Engineering|

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

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

Resumen:
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]

Arturo Pérez2022-07-01T00:00:00+02:00Categories: Publicaciones 2022|Tags: Applied; Chemistry, Chemical, Chemistry, Physical; Engineering|

Enzyme immobilization strategies for the design of robust and efficient biocatalysts

Destacados, Publicaciones 2022

Enzyme immobilization strategies for the design of robust and efficient biocatalysts

Autores: Guisan, JM; Fernandez-Lorente, G; Rocha-Martin, J; Moreno-Gamero, D

Artículo.
Curr. Opin. Green Sustain. Chem.. vol: 35. page: 2452-2236.
Fecha: JUN. 2022.
Doi: 10.1016/j.cogsc.2022.100593.

Resumen:
Different strategies for the preparation of efficient and robust immobilized biocatalysts are here reviewed. Different physico-chemical approaches are discussed. i.-The stabilization of enzyme by any kind of immobilization on pre-existing porous supports. ii.-The stabilization of enzymes by [read more]

Arturo Pérez2022-09-14T10:52:32+02:00Categories: Destacados, Publicaciones 2022|Tags: Chemistry, Multidisciplinary; Green & Sustainable Science & Technology|

Effect of the Synthesis Method, Complexing Agent and Solvent on the Physicochemical Properties of LaNiO3 Nanopowders

Autores: Faical, D; Martinez-Arias, A; Gurgan, M

Artículo.
J. Chem. Soc. Pak.. vol: 44. page: 0253-5106.
Fecha: JUN. 2022.
Doi: 10.52568/001036/JCSP/44.03.2022.

Resumen:
LaNiO3 nanopowders are synthesized by sol-gel and sol-gel combustion methods using citric acid, ascorbic acid and sucrose as chelating agents, and ethanol and water as solvents. The precursor thermal decomposition towards the final solid was analyzed by X-ray diffraction, differential [read more]

Arturo Pérez2022-06-14T00:00:00+02:00Categories: Publicaciones 2022|Tags: Chemistry, Multidisciplinary|

First-principles thermochemical properties of hexagonal and cubic phase BaMnO3

Autores: Ghose, KK; Bayon, A; Page, AJ

Artículo.
Mater. Today Commun.. vol: 31. page: .
Fecha: JUN. 2022.
Doi: 10.1016/j.mtcomm.2022.103453.

Resumen:
BaMnO3 perovskite oxide is an interesting material for many high-temperature technological applications due to its facile reduction capacity at reasonably low temperature. The thermochemical properties of BaMnO3 largely determine this reduction behaviour at high temperature. However, the temperature-dependent thermochemical properties of [read more]

Arturo Pérez2022-09-14T10:53:30+02:00Categories: Publicaciones 2022|Tags: Materials Science, Multidisciplinary|

Layer Shape LiFePO4 Obtained by Powder Extrusion Molding as Solid Boosters for Ferro/Ferricyanide Catholyte in Semisolid Redox Flow Battery: Effect of Porosity and Shape

Autores: Vivo-Vilches, JF; Vazquez-Navalmoral, A; de la Torre-Gamarra, C; Cebollada, J; Varez, A; Levenfeld, B

Artículo; Early Access.
Batteries Supercaps. vol: . page: .
Fecha: . .
Doi: 10.1002/batt.202200050.

Resumen:
Powder extrusion molding is proposed to fabricate ceramic LiFePO4 layers (0.5-1.0 mm thickness) as solid booster for ferricyanide electrolyte in semisolid redox flow battery. In some extruded layers, the binder is partially [read more]

Arturo Pérez2022-06-08T09:28:03+02:00Categories: Publicaciones 2022|Tags: Electrochemistry; Materials Science, Multidisciplinary|

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]

Arturo Pérez2022-06-08T09:25:44+02:00Categories: Publicaciones 2022|Tags: Chemical, Engineering, Environmental; Engineering|