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.

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

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

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

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

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

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

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]

Evaluation of the role of graphene-based Cu(i) catalysts in borylation reactions dagger

Authors: Franco, M; Sainz, R; Lamsabhi, A; Diaz, C; Tortosa, M; Cid, MB

Catal. Sci. Technol.. vol: 11. page: 2044-4753.
Date: may-21. 2021.
Doi: 10.1039/d1cy00104c.

Carbon-supported catalysts have been considered as macromolecular ligands which modulate the activity of the metallic catalytic center. Understanding the properties and the factors that control the interactions between the metal and support allows a fine [read more]

2021-05-21T00:00:00+02:00Categories: Publications 2021|Tags: , |

Carbothermally generated copper-molybdenum carbide supported on graphite for the CO2 hydrogenation to methanol

Autores: Dongil, AB; Conesa, JM; Pastor-Perez, L; Sepulveda-Escribano, A; Guerrero-Ruiz, A; Rodriguez-Ramos, I

Artículo; Early Access.
Catal. Sci. Technol.. vol: . page: 2044-4753.
Fecha: . .
Doi: 10.1039/d1cy00410g.

The carbothermal synthesis of monometallic and bimetallic molybdenum carbide and copper, supported on high surface area graphite (H), has been studied by in situ XRD, XPS, D-2-TPD, TEM/STEM, TG-mass spectrometry, and N-2 adsorption. [read more]

2021-05-15T10:13:37+02:00Categories: Publications 2021|Tags: , |

Insight into the mechanism of the water-gas shift reaction over Au/CeO2 catalysts using combined operando spectroscopies

Authors: Ziemba, M; Ganduglia-Pirovano, MV; Hess, C

Faraday Discuss.. vol: 229. page: 1359-6640.
Date: may-01. 2021.
Doi: 10.1039/c9fd00133f.

The mechanism of the low-temperature water-gas shift (LT-WGS) reaction over Au/CeO2 catalysts with different ceria terminations, i.e., (111), (110), and (100) facets, was investigated. Using combined operando Raman and UV-Vis spectroscopy as well as isotope exchange experiments, we are able to draw [read more]

2021-05-01T00:00:00+02:00Categories: Publications 2021|Tags: , |

In Situ Conditioning of CO2-Rich Syngas during the Synthesis of Methanol

Authors: Peinado, C; Liuzzi, D; Sanchis, A; Pascual, L; Pena, MA; Boon, J; Rojas, S

Catalysts. vol: 11. page: .
Date: MAY. 2021.
Doi: 10.3390/catal11050534.

The synthesis of methanol from biomass-derived syngas can be challenging because of the high CO2 content in the bio-syngas, resulting in lower kinetics and higher catalyst deactivation. This work explores the in situ pre-treatment of [read more]

2021-05-01T00:00:00+02:00Categories: Publications 2021|Tags: , |

Performance of Iron-Functionalized Activated Carbon Catalysts (Fe/AC-f) on CWPO Wastewater Treatment

Authors: Medina, SM; Rey, A; Duran-Valle, C; Bahamonde, A; Faraldos, M

Catalysts. vol: 11. page: .
Date: MAR. 2021.
Doi: 10.3390/catal11030337.

Two commercial activated carbon were functionalized with nitric acid, sulfuric acid, and ethylenediamine to induce the modification of their surface functional groups and facilitate the stability of corresponding AC-supported iron catalysts (Fe/AC-f). Synthetized Fe/AC-f catalysts [read more]

2021-05-15T10:02:48+02:00Categories: Publications 2021|Tags: , |

Metal doping of porous materials via a post-synthetic mechano-chemical approach: a general route to design low-loaded versatile catalytic systems

Authors: Marquez-Medina, MD; Luque, R; Balu, AM; Ivars-Barcelo, F; Carrillo-Carrion, C

Catal. Sci. Technol.. vol: 11. page: 2044-4753.
Date: mar-21. 2021.
Doi: 10.1039/d0cy01568g.

Mesoporous silica materials (Al-SBA-15 and Al-MCM-41) were successfully doped with two different transition metals (Zr and Fe) by following a mechano-chemical approach. Different metal precursors (metal salts versus MOF particles) were studied in [read more]

2021-05-15T10:05:43+02:00Categories: Publications 2021|Tags: , |


julio 2021
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