Chemical

Strong effect of light scattering by distribution of TiO2 particle aggregates on photocatalytic efficiency in aqueous suspensions

Authors: Tolosana-Moranchel, A; Pecharroman, C; Faraldos, M; Bahamonde, A

Article.
Chem. Eng. J.. vol: 403. page: 1385-8947.
Date: JAN 1. 2021.
Doi: 10.1016/j.cej.2020.126186.

Abstract:
This work examines the important role of light power absorbed by TiO2 on the photocatalytic degradation of dichloroacetic acid (DCA) in a semi-continuous slurry photoreactor with UV-Vis radiation. This system is an excellent model for understanding the light [read more]

Glycerol Oxidation over Supported Gold Catalysts: The Combined Effect of Au Particle Size and Basicity of Support

Authors: Pakrieva, E; Kolobova, E; German, D; Stucchi, M; Villa, A; Prati, L; Carabineiro, SAC; Bogdanchikova, N; Corberan, VC; Pestryakov, A

Article.
Processes. vol: 8. page: .
Date: SEP. 2020.
Doi: 10.3390/pr8091016.

Abstract:
Gold nanoparticles supported on various oxides (CeO2, CeO2/TiO2, MgO, MgO/TiO2, La2O3, La2O3/TiO2) (with 4 wt.% Au loading) were investigated in the liquid (aqueous) phase oxidation of glycerol by molecular [read more]

2020-09-05T00:00:00+02:00Categories: Publications 2020|Tags: , |

Photocatalytic toluene degradation: braiding physico-chemical and intrinsic kinetic analyses

Authors: Caudillo-Flores, U; Fernandez-Garcia, M; Kubacka, A

Article.
REACT. CHEM. ENG.. vol: 5. page: 2058-9883.
Date: AUG 1. 2020.
Doi: 10.1039/d0re00211a.

Abstract:
In this study, we analyzed the photocatalytic degradation of toluene using composite systems consisting of a tungsten oxide component supported on a pure anatase phase. To scrutinize the photocatalytic process, herein we presented a new method with combined spectroscopic and [read more]

Immobilization of gold on short -channel mesoporous SBA-15 functionalized with thiol and hydrophobic groups for oxidation reactions

Authors: Valdes, RD; Agundez, J; Marquez-Alvarez, C; Perez-Pariente, J

Article.
Catal. Today. vol: 354. page: 0920-5861.
Date: sep-12. 2020.
Doi: 10.1016/j.cattod.2019.09.014.

Abstract:
Nanosized gold entities immobilized on short -channel SBA -15 mesoporous materials functionalized solely with mercaptopropyl groups and together with propyl and octyl moieties have been prepared following a two-steps procedure. These materials have been used as catalysts for the [read more]

Promoting H-2 photoproduction of TiO2-based materials by surface decoration with Pt nanoparticles and SnS2 nanoplatelets

Authors: Barba-Nieto, I; Christoforidis, KC; Fernandez-Garcia, M; Kubacka, A

Article.
Appl. Catal. B-Environ.. vol: 277. page: 0926-3373.
Date: nov-15. 2020.
Doi: 10.1016/j.apcatb.2020.119246.

Abstract:
The production of hydrogen from the photoreforming of sacrificial alcohols was essayed using an anatase-based ternary system having N nanoparticles and SnS2 nanoplatelets at the surface of the oxide support. Contact between phases was optimized to achieve optimum functional [read more]

Performance of an aliovalent-substituted CoCeOx catalyst from bimetallic MOF for VOC oxidation in air

Authors: Li, YX; Han, W; Wang, RX; Weng, LT; Serrano-Lotina, A; Banares, MA; Wang, QY; Yeung, KL

Article.
Appl. Catal. B-Environ.. vol: 275. page: 0926-3373.
Date: oct-15. 2020.
Doi: 10.1016/j.apcatb.2020.119121.

Abstract:
The aliovalent-substitution of cobalt into ceria lattice was demonstrated using a bimetallic CoCeBDC MOF to achieve a high degree of atomic level mixing in the CoCeOx catalyst. Spectroscopic analyses including X-ray [read more]

Controlled selectivity for ethanol steam reforming reaction over doped CeO2 surfaces: The role of gallium

Authors: Vecchietti, J; Lustemberg, P; Fornero, EL; Calatayud, M; Collins, SE; Mohr, S; Ganduglia-Pirovano, MV; Libuda, J; Bonivardi, AL

Article.
Appl. Catal. B-Environ.. vol: 277. page: 0926-3373.
Date: nov-15. 2020.
Doi: 10.1016/j.apcatb.2020.119103.

Abstract:
The ethanol steam reforming reaction, together with the adsorption and decomposition of ethanol was studied on CeO2 and gallium-doped ceria (CeGaOx) by a combined experimental and theoretical approach using [read more]

Fe doped porous triazine as efficient electrocatalysts for the oxygen reduction reaction in acid electrolyte

Authors: Garcia, A; Retuerto, M; Dominguez, C; Pascual, L; Ferrer, P; Gianolio, D; Serrano, A; Assmann, P; Sanchez, DG; Pena, MA; Rojas, S

Article.
Appl. Catal. B-Environ.. vol: 264. page: 0926-3373.
Date: may-05. 2020.
Doi: 10.1016/j.apcatb.2019.118507.

Abstract:
In this work, we report the synthesis of Fe/N/C electrocatalysts using triazine based porous organic polymers as precursors. Iron-doped triazine porous organic polymers were obtained [read more]

Influence of amines in the synthesis and properties of mesostructured aluminas and assessment as supports for Co-based Fischer-Tropsch synthesis catalysts

Authors: Mohammadnasabomran, S; Tavasoli, A; Zamani, Y; Marquez-Alvarez, C; Perez-Pariente, J; Martinez, A

Article.
Fuel Process. Technol.. vol: 205. page: 0378-3820.
Date: AUG. 2020.
Doi: 10.1016/j.fuproc.2020.106433.

Abstract:
The influence of addition of amines (hexylamine, tripropylamine, dodecylamine, and hexadecylamine) and dopants (Zr, Ce) on the properties of mesostructured aluminas (MAs) synthesized using either Tergitol 15-S-9 or Triton X-114 surfactants was investigated. Selected MAs [read more]

Noble metals supported on binary gamma-Al2O3-alpha-Ga2O3 oxide as potential low-temperature water-gas shift catalysts

Authors: de Leon, JND; Loera-Serna, S; Zepeda, TA; Dominguez, D; Pawelec, B; Venezia, AM; Fuentes-Moyado, S

Article.
Fuel. vol: 266. page: 0016-2361.
Date: APR 15. 2020.
Doi: 10.1016/j.fuel.2020.117031.

Abstract:
A high surface area binary gamma-Al2O3-alpha-Ga2O3 oxide (AlGa) (75% wt%/25 wt%) was prepared by a single-stage precipitation method, and then used as support for noble metal catalysts (3 wt% nominal metal content). Effect [read more]

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