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Browsing by Author "Blasco Lanzuela, Teresa"

Now showing items 21-32 of 32

One-pot deposition of gold on hybrid TiO2 nanoparticles and catalytic application in the selective oxidation of benzyl alcohol

Mehri, Afef; Kochkar, Hafedh; Berhault, Gilles; Cómbita Merchán, Diego Fernando; Blasco Lanzuela, Teresa (Elsevier, 2015-01-15)

[EN] One-pot deposition of Au onto TiO2 has been achieved through directly contacting gold (III) salt with nanosized functionalized TiO2 support initially obtained by sol-gel process using titanium isopropoxide and citric ...
Partial oxidation of H2S to sulfur on V-Cu-O mixed oxides bronzes

Ruiz-Rodríguez, Lidia; Blasco Lanzuela, Teresa; López Nieto, José Manuel; Rodríguez-Castellón, Enrique (Elsevier, 2019-08-01)

[EN] The present paper shows the influence of Cu-content in Cu-promoted V2O5 catalysts on both the physicochemical characteristics of catalysts and their catalytic performance in the partial oxidation of hydrogen sulfide. ...
Partial oxidation of hydrogen sulphide to sulphur over vanadium oxides bronzes

Soriano Rodríguez, Mª Dolores; Vidal Moya, José Alejandro; Rodriguez Castellon, Enrique; Melo Faus, Francisco Vicente; Blasco Lanzuela, Teresa; López Nieto, José Manuel (Elsevier, 2015-12)

[EN] Me-containing V2O5 materials (Me =Ag, Cu, Ca and Na) were prepared hydrothermally (from aqueous gels containing V2O5/H2O2/MeClx mixtures, with Me/V ratios of 0.17). The samples were finally heattreated in air or in ...
Pore topology control of supported on mesoporous silicas copper and cerium oxide catalysts for ethyl acetate oxidation

Tsoncheva, Tanya; Issa, Gloria; López Nieto, José Manuel; Blasco Lanzuela, Teresa; Concepción Heydorn, Patricia; Dimitrov, Momtchil; Atanasova, Genoveva; Kovacheva, Daniela (Elsevier, 2013-11-01)

[EN] Copper and cerium bi-component modifications of KIT-6 were prepared by wetness impregnation technique from the corresponding nitrate precursors. Nitrogen physisorption, XRD, FTIR of adsorbed CO, UV-Vis, XPS and TPR ...
Selective catalytic reduction of nitric oxide with ammonia over Fe-Cu modified highly silicated zeolites

Jouini, Houini; Mejri, Imène; Martinez-Ortigosa, Joaquin; Cerrillo, José Luis; Mhamdi, Mourad; Palomares Gimeno, Antonio Eduardo; Delahay, Gerard; Blasco Lanzuela, Teresa (Elsevier, 2018-10)

[EN] In the present study, the solid-state ion exchange method (SSIE) was applied to introduce iron and copper into highly silicate zeolites: beta (BEA, Si/Al¿=¿12.5), ferrierite (FER, Si/Al¿=¿10) and mordenite (MOR, ...
Silica supported copper and cerium oxide catalysts for ethyl acetate oxidation

Tsoncheva, Tanya; Issa, Gloria; Blasco Lanzuela, Teresa; Concepción Heydorn, Patricia; Dimitrov, Momtchil; Hernández Morejudo, Selene; Kovacheva, Daniela; Atanasova, Genoveva; López Nieto, José Manuel (Elsevier, 2013-08-15)

[EN] The formation of active sites in the silica supported copper and cerium oxide hi-component catalysts for total oxidation of ethyl acetate was studied by Nitrogen physisorption, XRD, XPS, UV-Vis, Raman, FTIR of adsorbed ...
Spectroscopic Evidence and Density Functional Theory (DFT) Analysis of Low-Temperature Oxidation of Cu+ to Cu2+NOx in Cu-CHA Catalysts: Implications for the SCR-NOx Reaction Mechanism

Moreno-González, Marta; Millán-Cabrera, Reisel; Concepción Heydorn, Patricia; Blasco Lanzuela, Teresa; Boronat Zaragoza, Mercedes (American Chemical Society, 2019-04-05)

[EN] Despite the intense investigation on the NH3-SCR-NOx reaction mechanism catalyzed by small pore Cu-CHA zeolites, neither the rate-determining step of the process nor the exact nature of the active sites under reaction ...
Structural Characterization of Zeolites by Advanced Solid State NMR Spectroscopic Methods

Mafra, Luis; Vidal Moya, José Alejandro; Blasco Lanzuela, Teresa (Academic Press, 2012)

[EN] This review overviews the application of solid state NMR spectroscopy to the structural characterization of silicate, and acidic aluminosilicate and borosilicate zeolites focusing on the utilization of new developed ...
Study of propane oxidation on Cu-zeolite catalysts by in-situ EPR and IR spectroscopies

Moreno González, Marta; Blasco Lanzuela, Teresa; Góra-Marek, Kinga; Palomares Gimeno, Antonio Eduardo; Corma Canós, Avelino (Elsevier, 2014-05-15)

Three Cu-zeolites with different structure, Cu-TNU-9, Cu-ITQ-2 and Cu Y have been tested as catalysts for propane oxidation reaction. The activity follows the trend: Cu-TNU-9 > Cu-ITQ-2 > Cu Y, and in situ electron ...
Understanding effects of activation-treatments in K-free and K-MoVSbO bronze catalysts for propane partial oxidation

Ivars Barceló, Francisco; Millet, J. M. M.; Blasco Lanzuela, Teresa; Concepción Heydorn, Patricia; Valente, J. S.; López Nieto, José Manuel (Elsevier, 2014-12)

[EN] The effect of activation treatments of K-free and K-MoVSbO bronzes on either their physico-chemical characteristics or catalytic properties for propane partial oxidation have been studied. The as-synthesized materials, ...
Use of Alkylarsonium Directing Agents for the Synthesis and Study of Zeolites

Saez-Ferre, Sara; Lopes, Christian W.; Simancas-Coloma, Jorge; Vidal Moya, José Alejandro; Blasco Lanzuela, Teresa; Agostini, Giovanni; Mínguez Espallargas, Guillermo; Jorda Moret, Jose Luis; Rey Garcia, Fernando; Oña-Burgos, Pascual (John Wiley & Sons, 2019-12-18)

[EN] Expanding the previously known family of -onium (ammonium, phosphonium, and sulfonium) organic structure-directing agents (OSDAs) for the synthesis of zeolite MFI, a new member, the arsonium cation, is used for the ...
Zeolite-driven Ag species during redox treatments and catalytic implications for SCO of NH3

W. Lopes, Christian; Martinez-Ortigosa, Joaquin; Góra-Marek, Kinga; Tarach, Karolina; Vidal Moya, José Alejandro; Palomares Gimeno, Antonio Eduardo; Agostini, Giovanni; Blasco Lanzuela, Teresa; Rey Garcia, Fernando (The Royal Society of Chemistry, 2021-12-14)

[EN] Supported silver species are among the most promising catalysts for the depletion of ammonia emission by selective catalytic oxidation (NH3-SCO). Here, an investigation on the influence of small pore CHA and RHO zeolite ...