[EN] Establishingtandem catalytic synthetic strategies basedon theuse of readily available, stable, and renewable feedstocks is of greatsignificant for the sustainable advancement of chemical-related industries.The key to ...
Jurca, Bogdan; Bucur, Cristina; Primo Arnau, Ana Maria; Concepción Heydorn, Patricia; Parvulescu, Vasile I.; García Gómez, Hermenegildo(John Wiley & Sons, 2019-02-06)
[EN] N-doped, defective graphene obtained by pyrolysis of chitosan at 900 degrees C under Ar exhibits catalytic activity for the Sabatier hydrogenation of CO2 to CH4 at temperatures about 500 degrees C with estimated ...
Rapeyko ., Anastasia; Climent Olmedo, María José; Corma Canós, Avelino; Concepción Heydorn, Patricia; Iborra Chornet, Sara(American Chemical Society, 2016-07)
The dehydration of aldoximes into nitriles has been performed in the presence of various metal oxides with different acid-base properties (Al2O3, TiO2, CeO2, MgO). The results showed that a nanocrystalline CeO2 was the ...
Moussa, Sara; Concepción Heydorn, Patricia; Arribas Viana, Maria De Los Desamparados; MARTINEZ FELIU, AGUSTIN(American Chemical Society, 2018-05)
[EN] Higher olefins produced via ethylene oligomerization are versatile commodity chemicals serving a vast range of industries with large global economic impact. Nickel aluminosilicates are promising candidates to replace ...
Martinez Feliu, Agustin; Arribas Viana, Maria de los Desamparados; Concepción Heydorn, Patricia; Moussa-Martí, Sara(Elsevier, 2013)
[EN] The development of sustainable active and stable heterogeneous catalysts for the oligomerization of
ethylene to replace the unfriendly homogenous systems based on transition metal complexes currently
applied in the ...
[EN] A series of 2.5% Rh/M@Al2O3 model catalysts were prepared by supporting Rh on high-area gamma-Al2O3, resulting in a surface covered by a monolayer (4.5-7 atoms/nm(2)) of MO promoter oxides (M = Fe, V. Nb, Ta, Ti, Y, ...
Solsona Espriu, Benjamin Eduardo; Concepción Heydorn, Patricia; López Nieto, José Manuel; Dejoz, A.; Cecilia, J. A.; Agouram, S.; Soriano Rodríguez, Mª Dolores; Torres, V.; Jimenez-Jimenez, J.; Rodriguez Castellon, E.(Royal Society of Chemistry, 2016)
[EN] Porous clay heterostructures (PCH) have shown to be highly efficient supports for nickel oxide in the oxidative dehydrogenation of ethane. Thus NiO supported on silica with a PCH structure shows productivity towards ...
[EN] Well-defined 25 nm nickel phosphide nanoparticles act as a colloidal catalyst for the chemoselective hydrogenation of terminal and internal alkynes. Cis-alkenes are obtained in mild conditions with good conversion and ...
Metallic cobalt nanoparticles with surface CoOx patches covered by thin layered carbon (named Co@C) have been directly synthesized by thermal decomposition of Co-EDTA complex. Raman spectra and HRTEM images suggest that ...
[EN] MoVTeO and MoVTeNbO catalysts have been prepared, characterized (by XRD, Raman, IR. XPS, oxygen isotopic-exchange and IR of adsorbed methanol) and tested in the partial oxidation of propane to acrylic acid. The catalysts ...
[EN] Realizing the full potential of oxide-supported single-atom metal catalysts (SACs) is key to successfully bridge the gap between the fields of homogeneous and heterogeneous catalysis. Here we show that the one-pot ...
[EN] We report on a study of the key reaction parameters in glycerol oxidehydration into acrylic acid over W-V-Nb mixed oxides with a hexagonal tungsten bronze structure. This investigation demonstrated that the optimal ...
Vidal, Juan D; Climent Olmedo, María José; Corma Canós, Avelino; Concepción Heydorn, Patricia; Iborra Chornet, Sara(John Wiley & Sons, 2017)
[EN] N-substituted 5-methyl-2-pyrrolidones were prepared in a one-pot process starting from ethyl levulinate and nitro compounds in the presence of a nanosized Pt-based catalyst. Pt supported on TiO2 nanotubes (Pt/TiO2-NT) ...
[EN] The modification of crystalline phases of a vanadium oxide supported on mesoporous zirconium phosphate during the partial oxidation of H2S to sulphur has been studied by using an operando Raman-GC approach and XAS in ...
Solsona Espriu, Benjamin Eduardo; López Nieto, José Manuel; Agouram, Said; Soriano Rodríguez, Mª Dolores; Dejoz, Ana; Vázquez, Maria Isabel; Concepción Heydorn, Patricia(Springer Verlag (Germany), 2016-10)
[EN] Bulk Ni-Sn-O catalysts have been synthesized, tested in the oxidative dehydrogenation of ethane and characterized by several physicochemical techniques. The catalysts have been prepared by evaporation of the corresponding ...
Solsona Espriu, Benjamin Eduardo; López Nieto, José Manuel; Concepción Heydorn, Patricia; Dejoz, A.; Ivars Barceló, Francisco; Vazquez, M. I.(Elsevier, 2011-05-16)
Ni-W-O mixed oxides were prepared through the evaporation of aqueous solutions of nickel nitrate and ammonium tungstate and calcined in air at 500 degrees C for 2 h. The catalysts were characterized by several techniques ...
Solsona Espriu, Benjamin Eduardo; Concepción Heydorn, Patricia; Hernández Morejudo, Selene; Demicol, Benjamin; López Nieto, José Manuel(Elsevier, 2012-01-17)
[EN] In this paper we present the synthesis, characterization and catalytic behaviour in the oxidative dehydrogenation of ethane of NiO-CeO2 mixed oxides. The addition of cerium oxide to NiO strongly modifies its catalytic ...
[EN] Mo- and W-based oxidic bronzes, with and without Te-atoms in framework positions are active and selective, for the partial oxidation of H2S to sulfur in the
160–220 C temperature range. The catalysts have been prepared ...
Mazarío-Santa-Pau, Jaime; Raad, Zaher; Concepción Heydorn, Patricia; Cerdá-Moreno, Cristina; Domine, Marcelo Eduardo(The Royal Society of Chemistry, 2020-12-07)
[EN] An efficient process for synthesizing a high added-value N-heterocycle (2-methylpiperazine, 2-MP) via reductive amination of hydroxyacetone or acetol (product of the selective dehydration of glycerol) with ethylenediamine ...
Albero-Sancho, Josep; Vidal, Alfonso; Migani, Annapaola; Concepción Heydorn, Patricia; Blancafort, Lluís; García Gómez, Hermenegildo(American Chemical Society, 2019-01-07)
[EN] P-doped graphene (Phy-G) prepared by pyrolysis of phytic acid at 900 degrees C under inert atmosphere has been evaluated as a metal-free catalyst for the thermochemical water splitting. XPS, solid-state P-31 NMR, and ...