Search Results - "GONZALEZ DIAZ, O"

Effect of inorganic ions on the photocatalytic treatment of agro-industrial wastewaters containing imazalil by Santiago, Dunia E., Araña, J., González-Díaz, O., Alemán-Dominguez, M.E., Acosta-Dacal, Andrea C., Fernandez-Rodríguez, C., Pérez-Peña, J., Doña-Rodríguez, José M.

“…•The photocatalytic elimination of imazalil was proved for different water matrices.•Commercial Evonik P25 and a home-made photocatalyst were studied and…”
Get full text

Effect of NO2 and NO3-/HNO3 adsorption on NO photocatalytic conversion by Araña, J., Garzón Sousa, D., González Díaz, O., Pulido Melián, E., Doña Rodríguez, J.M.

“…[Display omitted] •Photocatalytic degradation of NO2 is not effective.•NO2 interacts with nitrates forming [(NO3−)-(H2O) n-NO2] complexes.•The [(NO3−)-(H2O)…”
Get full text

Efficient and affordable hydrogen production by water photo-splitting using TiO2-based photocatalysts by PULIDO MELIAN, E, GONZALEZ DIAZ, O, ORTEGA MENDEZ, A, LOPEZ, Cristina R, NEREIDA SUAREZ, M, DONA RODRIGUEZ, J. M, NAVIO, J. A, FERNANDEZ HEVIA, D, PEREZ PENA, J

“…TiO2-based photocatalyst materials were synthesized through a sol–gel method, followed either by: (1) hydrothermal treatment (150 °C/24 h), or (2) heat…”
Get full text

Photodegradation of 2,4-dichlorophenoxyacetic acid over TiO2(B)/anatase nanobelts and Au-TiO2(B)/anatase nanobelts by Chenchana, A., Nemamcha, A., Moumeni, H., Doña Rodríguez, J.M., Araña, J., Navío, J.A., González Díaz, O., Pulido Melián, E.

“…[Display omitted] •Nanobelts are obtained via hydrothermal method with different starting materials.•The effect of calcination temperature and gold deposition…”
Get full text

Comparison of supported TiO2 catalysts in the photocatalytic degradation of NOx by Hernández Rodríguez, M.J., Pulido Melián, E., González Díaz, O., Araña, J., Macías, M., González Orive, A., Doña Rodríguez, J.M.

“…[Display omitted] •Surface area appears to be a determining factor for the activity of the photocatalysts.•No significant enhancement in activity was observed…”
Get full text

Detoxification of waters contaminated with phenol, formaldehyde and phenol–formaldehyde mixtures using a combination of biological treatments and advanced oxidation techniques by ORTEGA MENDEZ, J. A, HERRERA MELIAN, J. A, ARANA, J, DONA RODRIGUEZ, J. M, GONZALEZ DIAZ, O, PEREZ PENA, J

“…•TiO2-photocatalysis and wetlands can treat low concentrations of pollutants.•Fenton reaction achieved high degradation but low mineralization.•The BAF…”
Get full text

Production of hydrogen by water photo-splitting over commercial and synthesised Au/TiO2 catalysts by Mendez, JAOrtega, Lopez, Cristina R, Melian, EPulido, Diaz, OGonzalez, Rodriguez, JMDona, Hevia, DFernandez, Macias, M

“…•The SG750 photocatalyst at 2.0wt.% Au gave the highest H2 production yield per unit of surface area.•The highest production of H2 was obtained with the…”
Get full text

NO photooxidation with TiO2 photocatalysts modified with gold and platinum by Hernández Rodríguez, M.J., Pulido Melián, E., García Santiago, D., González Díaz, O., Navío, J.A., Doña Rodríguez, J.M.

“…[Display omitted] •The metal deposits obtained by chemical reduction were smaller than those by photoreduction.•Pt0 and oxidized Pt species coexist on Pt-C and…”
Get full text

Effect of deposition of silver on structural characteristics and photoactivity of TiO2-based photocatalysts by PULIDO MELIAN, E, GONZALEZ DIAZ, O, RODRIGUEZ, J. M. Doña, COLON, G, NAVIO, J. A, MACIAS, M, PENA, J. Perez

“…[Display omitted] ► A highly photoactive homemade photocatalyst was modified by silver deposits. ► The liquid impregnation method resulted in photocatalysts…”
Get full text

Hydrogen production using Pt-loaded TiO2 photocatalysts by PULIDO MELIAN, E, LOPEZ, Cristina R, ORTEGA MENDEZ, A, GONZALEZ DIAZ, O, NEREIDA SUAREZ, M, DONA RODRIGUEZ, J. M, NAVIO, J. A, FERNANDEZ HEVIA, D

“…A series of synthesised TiO2-based and commercial photocatalysts were modified by Pt photodeposition and a study made of their photocatalytic activity in…”
Get full text

Influence of nickel in the hydrogen production activity of TiO2 by Melián, E. Pulido, Suárez, M. Nereida, Jardiel, T., Rodríguez, J.M. Doña, Caballero, A.C., Araña, J., Calatayud, D.G., Díaz, O. González

“…•Adding NiNO3 to the TiO2 sol–gel synthesis process improves hydrogen production.•Formic acid is not detected in the methanol oxidation.•The optimum…”
Get full text

Photocatalytic treatment of water containing imazalil using an immobilized TiO2 photoreactor by Santiago, Dunia E., Espino-Estévez, M.R., González, Gabriel V., Araña, J., González-Díaz, O., Doña-Rodríguez, J.M.

“…•The elimination of imazalil was proved for different water matrices.•Suspended and supported TiO2 photocatalysis systems were compared.•The effect of the…”
Get full text

Study of adsorption and degradation of dimethylphthalate on TiO2-based photocatalysts by Pulido Melián, E., Henríquez-Cárdenes, E., González Díaz, O., Doña Rodríguez, J.M.

“…[Display omitted] •DMP has been degraded and mineralized by heterogeneous photocatalysis.•SG750, a synthesized photocatalyst, offers the best results.•Surface…”
Get full text

Catalytic Efficiency of Cu-Supported Pyrophyllite in Heterogeneous Catalytic Oxidation of Phenol by El Gaidoumi, A., Doña-Rodríguez, J. M., Pulido Melián, E., González-Díaz, O. M., Navío, J. A., El Bali, B., Kherbeche, A.

“…The copper-impregnated pyrophyllite (Cu/RC) was prepared and used as catalyst in catalytic wet peroxide oxidation (CWPO) of phenol. The catalyst was prepared…”
Get full text

Optimization of the degradation of imazalil by photocatalysis: Comparison between commercial and lab-made photocatalysts by Santiago, Dunia E., Doña-Rodríguez, José M., Araña, J., Fernández-Rodríguez, C., González-Díaz, O., Pérez-Peña, J., Silva, Adrián M.T.

“…•The efficiency of photocatalysis in the elimination of imazalil was proved.•Commercial and several home-made photocatalysts were studied.•The fastest…”
Get full text

High levels of polychlorinated biphenyls in tissues of Atlantic turtles stranded in the Canary Islands, Spain by Orós, J., González-Díaz, O.M., Monagas, P.

“…Polychlorinated biphenyls (PCBs 28, 31, 52, 101, 138, 153, 180, and 209) were measured in tissue samples (liver and fat) from 30 loggerhead turtles Caretta…”
Get full text

Reuse of Phoenix canariensis palm frond mulch as biosorbent and as precursor of activated carbons for the adsorption of Imazalil in aqueous phase by Martín-González, M.A., González-Díaz, O., Susial, P., Araña, J., Herrera-Melián, J.A., Doña-Rodríguez, J.M., Pérez-Peña, J.

“…•A problematic waste has been reused as biosorbent and as activated carbon precursor.•Activated carbons with high SBET have been obtained from slightly porous…”
Get full text

Highly photoactive ZnO by amine capping-assisted hydrothermal treatment by Colón, G., Hidalgo, M.C., Navío, J.A., Pulido Melián, E., González Díaz, O., Doña Rodríguez, J.M.

“…ZnO nanoparticles have been prepared by amine template assisted sol–gel precipitation and further hydrothermal treatment. We have investigated the effect of…”
Get full text

Comparative study of nanocrystalline titanium dioxide obtained through sol–gel and sol–gel–hydrothermal synthesis by Seck, E.I., Doña-Rodríguez, J.M., Pulido Melián, E., Fernández-Rodríguez, C., González-Díaz, O.M., Portillo-Carrizo, D., Pérez-Peña, J.

“…[Display omitted] •TiO2 particles were prepared by sol–gel method and by sol–gel combined with hydrothermal treatment.•Rutilization was faster in the…”
Get full text

Photocatalytic removal of 2,4-dichlorophenoxyacetic acid by using sol–gel synthesized nanocrystalline and commercial TiO2: Operational parameters optimization and toxicity studies by Seck, E.I., Doña-Rodríguez, J.M., Fernández-Rodríguez, C., González-Díaz, O.M., Araña, J., Pérez-Peña, J.

“…[Display omitted] ► ECT-1023t showed higher photocatalytic activity than Evonik P25 at natural pH. ► Production of toxic of intermediates (2,4-DCP) was reduced…”
Get full text