Environmental; Engineering

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 [leer más]

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 [leer más]

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

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

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

Resumen:
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 [leer más]

g-C3N4/TiO2 composite catalysts for the photo-oxidation of toluene: Chemical and charge handling effects

Authors: Caudillo-Flores, U; Munoz-Batista, MJ; Luque, R; Fernandez-Garcia, M; Kubacka, A

Article.
Chem. Eng. J.. vol: 378. page: 1385-8947.
Date: DEC 15. 2019.
Doi: 10.1016/j.cej.2019.122228.

Abstract:
The interaction between carbon nitride and titania in g-C3N4/TiO2 materials is analyzed from a new perspective. The composite materials are prepared using a well crystallized anatase substrate over which carbon nitride (0.5-4 wt%, promoted or not [leer más]

MnOx-support interactions in catalytic bodies for selective reduction of NO with NH3

Authors: Serrano-Lotina, A; Monte, M; Iglesias-Juez, A; Pavon-Cadierno, P; Portela, R; Avila, P

Article.
Appl. Catal. B-Environ.. vol: 256. page: 0926-3373.
Date: nov-05. 2019.
Doi: 10.1016/j.apcatb.2019.117821.

Abstract:
Catalytic bodies for selective reduction of NOx with NH3 based on MnOx, TiO2 and sepiolite as active phase, support, and binder, respectively, were prepared. The same amount of MnOx (5 w%) was added by impregnation [leer más]

Hydrogen thermo-photo production using Ru/TiO2: Heat and light synergistic effects

Authors: Caudillo-Flores, U; Agostini, G; Marini, C; Kubacka, A; Fernandez-Garcia, M

Article.
Appl. Catal. B-Environ.. vol: 256. page: 0926-3373.
Date: nov-05. 2019.
Doi: 10.1016/j.apcatb.2019.117790.

Abstract:
A series of ruthenium – anatase solids with noble metal loadings from 1 to 10 wt. %. was tested in the gas phase thermo-photo production of hydrogen using methanol as a sacrificial agent. Samples were characterized using [leer más]

TiO2-rGO photocatalytic degradation of an emerging pollutant: kinetic modelling and determination of intrinsic kinetic parameters

Authors: Tolosana-Moranchel, A; Manassero, A; Satuf, ML; Alfano, OM; Casas, JA; Bahamonde, A

Article.
J. Environ. Chem. Eng.. vol: 7. page: 2213-2929.
Date: OCT. 2019.
Doi: 10.1016/j.jece.2019.103406.

Abstract:
An intrinsic kinetic model, derived from a suggested reaction photo-mechanism and with an explicit dependence on the local volumetric rate of photon absorption (LVRPA), was developed to simulate the photocatalytic degradation of clofibric acid [leer más]

Influence of TIO2-rGO optical properties on the photocatalytic activity and efficiency to photodegrade an emerging pollutant

Authors: Tolosana-Moranchel, A; Manassero, A; Satuf, ML; Alfano, OM; Casas, JA; Bahamonde, A

Article.
Appl. Catal. B-Environ.. vol: 246. page: 0926-3373.
Date: jun-05. 2019.
Doi: 10.1016/j.apcatb.2019.01.054.

Abstract:
TiO2-reduced graphene oxide (TiO2-rGO) photocatalysts with different mass ratios (GO:TiO2 0.1-0.5-1%) were synthesized via a hydrothermal method and compared through their physico-chemical properties and photocatalytic activity in the degradation of an emerging contaminant, dofibric acid. [leer más]

An approach on the comparative behavior of chloro / nitro substituted phenols photocatalytic degradation in water

Authors: Tolosana-Moranchel, A; Ovejero, D; Barco, B; Bahamonde, A; Diaz, E; Faraldos, M

Article.
J. Environ. Chem. Eng.. vol: 7. page: 2213-2929.
Date: JUN. 2019.
Doi: 10.1016/j.jece.2019.103051.

Abstract:
The study of position and number of substituents on the photocatalytic removal of some mono-, di- and tri-, chloro- and nitrophenols, as well as more known initial TOC concentration effect, has revealed the noteworthy [leer más]

Toluene and styrene photo-oxidation quantum efficiency: Comparison between doped and composite tungsten-containing anatase-based catalysts

Authors: Caudillo-Flores, U; Munoz-Batista, MJ; Hungria, AB; Haro, ML; Fernandez-Garcia, M; Kubacka, A

Article.
Appl. Catal. B-Environ.. vol: 245. page: 0926-3373.
Date: may-15. 2019.
Doi: 10.1016/j.apcatb.2018.12.032.

Abstract:
In this work we analyze two series of samples containing tungsten and titania as cations with a W/Ti atomic ratio from 0 to 0.5. The samples are prepared by a single-pot procedure, rendering in all [leer más]

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