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Mostrando ítems 1-11 de 11

185 Nm Photoreduction of CO2 to methane by water. Influence of the Presence of a Basic catalyst

Sastre Calabuig, Francesc; Corma Canós, Avelino; García Gómez, Hermenegildo (American Chemical Society, 2012-08-29)

Photolysis of CO2 at 185 nm using a Hg lamp in the presence of H-2 or H2O leads to the formation of CH4 (after an induction period) and a lesser amount of CO. Using H-2 gas as reducing agent, up to 40% conversion was ...
Ammonia IRMS-TPD measurements on Brønsted acidity of proton-formed SAPO-34

Suzuki, Katsuki; Nishio, Takuma; Katada, Naonobu; Sastre Navarro, German Ignacio; Niwa, Miki (Royal Society of Chemistry, 2011)

[EN] By utilizing the advantages of a combined method of IRMS-TPD of ammonia and DFT calculations, the solid acidity of HSAPO-34 was studied. The number, strength and structure of the Bronsted OH were measured experimentally. ...
Complete Photocatalytic Reduction of CO2 to Methane by H2 under Solar Light Irradiation

Sastre Calabuig, Francesc; Puga, Alberto V.; Liu, Lichen; Corma Canós, Avelino; García Gómez, Hermenegildo (American Chemical Society, 2014-05-14)

Nickel supported on silica-alumina is an efficient and reusable photocatalyst for the reduction of CO2 to methane by H-2, reaching selectivity above 95% at CO2 conversion over 90%. Although NiO behaves similarly, it undergoes ...
Cooperative Thermal and Optical Switching of Spin States in a New Two-Dimensional Coordination Polymer

Niel, V.; Galet, A.; Gaspar, A. B.; Muñoz Roca, María Del Carmen; Real, J. A. (The Royal Society of Chemistry, 2003)

[EN] {Fe(pmd)(2)[Cu(CN)(2)](2)} (pmd = pyrimidine) displays a rigid two-dimensional structure and undergoes thermal- and optical-driven spin crossover behaviour; cooperative elastic coupling between iron(II) ions in the ...
Gold-copper nanoalloys supported on TiO2 as photocatalysts for CO2 reduction by water

Neatu, Stefan; Maciá Agulló, Juan Antonio; Concepción Heydorn, Patricia; García Gómez, Hermenegildo (American Chemical Society, 2014-11-12)

Commercial P25 modified by AuCu alloy nanoparticles as thin film exhibits, for CO2 reduction by water under sun simulated light, a rate of methane production above 2000 mu mol (g of photocatalyst)(-1) h(1). Although evolution ...
Metal-containing zeolites as efficient catalyst for the transformation of highly valuable chiral biomass-derived products

Paris Carrizo, Cecilia Gertrudis; Moliner Marin, Manuel; Corma Canós, Avelino (Royal Society of Chemistry, 2013)

Metal-containing zeolites, especially Sn-Beta, perform as very efficient heterogeneous catalysts in the selective oxidation of levoglucosenone, which is considered as a platform chemical for the production of highly-valuable ...
Microsecond transient absorption spectra of suspended semiconducting metal oxide nanoparticles

Baldovi, Herme G.; Ferrer Ribera, Rosa Belén; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (American Chemical Society, 2014-05-01)

The time-resolved absorption spectra of opaque semiconductor powders have been typically studied by diffuse reflectance techniques. Herein, we show that time-resolved transmission spectroscopy of suspended nanoparticles ...
Photocatalytic water gas shift using visible or simulated solar light for the efficient, room-temperature hydrogen generation

Sastre Calabuig, Francesc; Oteri, Marica; Corma Canós, Avelino; García Gómez, Hermenegildo (Royal Society of Chemistry, 2013-07)

Gold nanoparticles supported on P25 TiO2 act as highly efficient photocatalysts for promoting the simultaneous H2O reduction to H-2 and CO oxidation to CO2. This photocatalytic process can be performed using simulated solar ...
Production of high quality diesel from cellulose and hemicellulose by the Sylvan process: catalysts and process variables

Corma Canós, Avelino; De la Torre Alfaro, Olalla; Renz ., Michael (Royal Society of Chemistry, 2012)

[EN] The Sylvan (2-methylfuran) diesel process involves the conversion of pentose biopolymers into premium diesel via furfural, by means of hydroxyalkylation/alkylation and hydrodeoxygenation reactions. In the hydroxyalk ...
Synthesis of high quality alkyl naphthenic kerosene by reacting an oil refinery with a biomass refinery stream

Arias Carrascal, Karen Sulay; Climent Olmedo, María José; Corma Canós, Avelino; Iborra Chornet, Sara (Royal Society of Chemistry, 2015)

Alkylation of aromatics with HMF is a new route for the synthesis of biofuels. Alkylation of toluene with HMF has been studied in the presence of large pore (HBeta, USY and Mordenite), delaminated zeolites as well as on ...
Synthesis of the small pore silicoaluminophosphate STA-6 by using supramolecular self-assembled organic structure directing agents

Martínez Franco, Raquel; Cantin Sanz, Angel; Moliner Marin, Manuel; Corma Canós, Avelino (American Chemical Society, 2014-08-12)

By means of organic structure directing agents (OSDA) formed by bulky paired quinolinium derived molecules, obtained by self-assembled monomers, it has been possible to synthesize for the first time the pure silicoaluminophosphate ...

Mostrando ítems 1-11 de 11

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