Physical

Transforming Waste Clamshell into Highly Selective Nanostructured Catalysts for Solvent Free Liquid Phase Oxidation of Benzyl Alcohol

Autores: Saffari, NS; Aghabarari, B; Javaheri, M; Khanlarkhani, A; Martinez-Huerta, MV

Artículo.
Catalysts. vol: 12. page: .
Fecha: FEB. 2022.
Doi: 10.3390/catal12020155.

Resumen:
High yield production of benzaldehyde in the solvent-free oxidation of benzyl alcohol by using green catalysts is highly desirable. In this work, calcium hydroxide derived from waste clamshell was used as low-cost and environmentally friendly catalyst support (CaSUP) for [read more]

2022-02-05T00:00:00+01:00Categories: Publicaciones 2022|Tags: , |

Oxide-based composites: applications in thermo-photocatalysis

Autores: Barba-Nieto, I; Gomez-Cerezo, N; Kubacka, A; Fernandez-Garcia, M

Review; Early Access.
Catal. Sci. Technol.. vol: . page: 2044-4753.
Fecha: . .
Doi: 10.1039/d1cy01067k.

Resumen:
The combination of thermal and photonic energy sources to carry out catalyzed chemical reactions appears as a new avenue to optimize the current industrial-oriented processes as well as to open new ones. Herein, we analyze the contribution [read more]

2021-10-26T17:57:41+02:00Categories: Publications 2021|Tags: , |

Titania-decorated copper oxide nanophotocatalyst powder: A stable and promoted photocatalytic active system

Autores: Ansari, F; Sheibani, S; Caudillo-Flores, U; Fernandez-Garcia, M

Artículo.
J. Photochem. Photobiol. A-Chem.. vol: 418. page: 1010-6030.
Fecha: sep-01. 2021.
Doi: 10.1016/j.jphotochem.2021.113401.

Resumen:
In this work, the synthesis of the CuO-Cu2O nanocomposites decorated with TiO2 nanoparticles was performed by chemical-thermal oxidation and subsequently by the sol-gel method. The X-ray diffraction (XRD) analysis and field emission scanning electron microscopy (FESEM) showed using [read more]

2021-09-01T00:00:00+02:00Categories: Publicaciones 2022|Tags: , |

Catalytic and molecular insights of the esterification of ibuprofen and ketoprofen with glycerol

Authors: Toledo, MV; Jose, C; Suster, CRL; Collins, SE; Portela, R; Banares, MA; Briand, LE

Article.
Mol. Catal.. vol: 513. page: 2468-8231.
Date: AUG. 2021.
Doi: 10.1016/j.mcat.2021.111811.

Abstract:
The esterification of rac-ibuprofen and rac-ketoprofen with glycerol catalyzed with the commercial biocatalyst Novozym (R) 435 was investigated at 45 degrees C with various profen: glycerol molar ratios using 2-propanol as co-solvent in a [read more]

2021-08-29T00:00:00+02:00Categories: Publications 2021|Tags: , |

Effect of the Metal Deposition Order on Structural, Electronic and Catalytic Properties of TiO2-Supported Bimetallic Au-Ag Catalysts in 1-Octanol Selective Oxidation

Authors: Kotolevich, Y; Pakrieva, E; Kolobova, E; Farias, MH; Bogdanchikova, N; Corberan, VC; Pichugina, D; Nikitina, N; Carabineiro, SAC; Pestryakov, A

Article.
Catalysts. vol: 11. page: .
Date: JUL. 2021.
Doi: 10.3390/catal11070799.

Abstract:
Au and Ag were deposited on TiO2 modified with Ce, La, Fe or Mg in order to obtain bimetallic catalysts to be used for liquid-phase oxidation of 1-octanol. The [read more]

2021-07-29T00:00:00+02:00Categories: Publications 2021|Tags: , |

Implications of Co-Feeding Water on the Growth Mechanisms of Retained Species on a SAPO-18 Catalyst during the Methanol-to-Olefins Reaction

Authors: Valecillos, J; Hita, I; Sastre, E; Aguayo, AT; Castano, P

Article; Early Access.
ChemCatChem. vol: . page: 1867-3880.
Date: . .
Doi: 10.1002/cctc.202100124.

Abstract:
The dynamics of retained and deactivating species in a SAPO-18 catalyst during the methanol-to-olefins reaction have been followed using a combination of ex-situ and in-situ techniques in differential and integral reactors.The retained species were analyzed using extraction, [read more]

2021-07-01T18:00:42+02:00Categories: Publications 2021|Tags: , |

The relevance of Lewis acid sites on the gas phase reaction of levulinic acid into ethyl valerate using CoSBA-xAl bifunctional catalysts

Authors: Munoz-Olasagasti, M; Granados, ML; Jimenez-Gomez, CP; Cecilia, JA; Maireles-Torres, P; Dumesic, JA; Mariscal, R

Article.
Catal. Sci. Technol.. vol: 11. page: 2044-4753.
Date: jun-21. 2021.
Doi: 10.1039/d1cy00166c.

Abstract:
A series of Co supported on Al-modified SBA-15 catalysts has been studied in the gas phase direct transformation of levulinic acid (LA) into ethyl valerate (EV) using a continuous fixed-bed reactor and ethanol [read more]

2021-06-21T00:00:00+02:00Categories: Publications 2021|Tags: , |

Short-channel mesoporous SBA-15 silica modified by aluminum grafting as a support for CoRu Fischer-Tropsch synthesis catalysts

Authors: Mohammadnasabomran, S; Marquez-Alvarez, C; Perez-Pariente, J; Martinez, A

Article.
Catal. Sci. Technol.. vol: 11. page: 2044-4753.
Date: jun-21. 2021.
Doi: 10.1039/d0cy02418j.

Abstract:
Highly ordered short-channel mesoporous silica SBA-15 with large pores (11.2 nm) has been synthesized by using tetramethyl orthosilicate (TMOS) as a silica source, the amphiphilic block copolymer Pluronic PE-10400 as a structure-directing agent, and 1,3,5-triisopropylbenzene as a swelling agent. [read more]

2021-06-21T00:00:00+02:00Categories: Publications 2021|Tags: , |

Sustainable M-MOF-74 (M = Cu, Co, Zn) prepared in methanol as heterogeneous catalysts in the synthesis of benzaldehyde from styrene oxidation

Authors: Flores, JG; Diaz-Garcia, M; Ibarra, IA; Aguilar-Pliego, J; Sanchez-Sanchez, M

Article.
J. Solid State Chem.. vol: 298. page: 0022-4596.
Date: JUN. 2021.
Doi: 10.1016/j.jssc.2021.122151.

Abstract:
Metal-Organic Framework (MOF) materials are promising heterogeneous catalysts in different areas including Fine Chemistry, mainly if they possess open metal sites and if they are nanocrystalline. In this work, a new sustainable methodology to obtain nanocrystalline [read more]

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