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Listar por autor "Moliner Marin, Manuel"

Mostrando ítems 1-20 de 103

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"Ab initio" synthesis of zeolites for preestablished catalytic reactions

Gallego-Sánchez, Eva María; Portilla Ovejero, Mª Teresa; Paris-Carrizo, Cecilia Gertrudis; Leon Escamilla, Efigenio Alejandro; Boronat Zaragoza, Mercedes; Moliner Marin, Manuel; Corma Canós, Avelino (American Association for the Advancement of Science (AAAS), 2017)

[EN] Unlike homogeneous catalysts that are often designed for particular reactions, zeolites are heterogeneous catalysts that are explored and optimized in a heuristic fashion. We present a methodol. for synthesizing ...
"One-pot" synthesis of 5-(Hydroxymethyl)furfural from carbohydrates using tin-Beta zeolite

Nikolla, Eranda; Román-Leshkov, Yuriy; Moliner Marin, Manuel; Davis, Mark E. (American Chemical Society, 2011)

[EN] Conversion of carbohydrates to 5-(hydroxymethyl)furfural (HMF) may provide a step forward toward achieving a renewable biomass-based chemicals and fuels platform. Recently, we reported that a tin-containing, high-silica ...
A Machine Learning Approach to Zeolite Synthesis Enabled by Automatic Literature Data Extraction

Jensen, Zach; Kim, Edward; Kwon, Soonhyoung; Gani, Terry Z.H.; Román-Leshkov, Yuriy; Moliner Marin, Manuel; Corma Canós, Avelino; Olivetti, Elsa (American Chemical Society, 2019-05-22)

[EN] Zeolites are porous, aluminosilicate materials with many industrial and "green" applications. Despite their industrial relevance, many aspects of zeolite synthesis remain poorly understood requiring costly trial and ...
A New Aluminosilicate Molecular Sieve with a System of Pores between Those of ZSM-5 and Beta Zeolite

Moliner Marin, Manuel; Gonzalez, Jorge; Portilla Ovejero, Mª Teresa; Willhammar, Tom; Rey Garcia, Fernando; Llopis Alonso, Francisco Javier; Zou, Xiaodong; Corma Canós, Avelino (American Chemical Society, 2011-06)

[EN] A new aluminosilicate zeolite (ITQ-39) has been synthesized. This is an extensively faulted structure with very small domains that makes the structure elucidation very difficult. However, a combination of adsorption ...
A priori control of zeolite phase competition and intergrowth with high-throughput simulations

Schwalbe-Koda, Daniel; Kwon, Soonhyoung; Paris, Cecilia; Bello-Jurado, Estefanía; Jensen, Zach; Olivetti, Elsa; Willhammar, Tom; Corma Canós, Avelino; Román-Leshkov, Yuriy; Moliner Marin, Manuel; Gomez-Bombarelli, Rafael (American Association for the Advancement of Science (AAAS), 2021-10-15)

[EN] Zeolites are versatile catalysts and molecular sieves with large topological diversity, but managing phase competition in zeolite synthesis is an empirical, labor-intensive task. In this work, we controlled phase ...
Advances and perspectives from a decade of collaborative efforts on zeolites for selective catalytic reduction of NOx

Vennestrøm, Peter N.R.; Thogersen, Joakim R.; Gabrielsson, Pär L. T.; van Tendeloo, Leen; Schütze, Frank W.; Moliner Marin, Manuel (Elsevier, 2022-12)

[EN] Nitrogen oxides (NOx) is a major air pollutant and its release is regulated by increasingly stringent legislation. Selective catalytic reduction using ammonia as a reductant (NH3-SCR) is the most widely applied method ...
Advances in the synthesis of titanosilicates: From the medium pore TS-1 zeolite to highly-accessible ordered materials

Moliner Marin, Manuel; Corma Canós, Avelino (Elsevier, 2014-05-01)

[EN] In the present review, we would like to cover the most fundamental advances achieved in the design of ordered titanosilicates since the earlier discovery of TS-1 reported by EniChem in the mid-eighties. The invention ...
Application of artificial neural networks to high-throughput synthesis of zeolites

Moliner Marin, Manuel; Serra, J. M.; Corma Canós, Avelino; Argente, Estefanía; Valero Cubas, Soledad; Botti, V. (Elsevier, 2005-02-04)

[EN] It is shown that multi-phase crystalline systems in zeolite synthesis can be modelled by using artificial neural networks (ANNs) and considering as input variables the molar compositions of the starting synthesis gel. ...
Approaching enzymatic catalysis with zeolites or how to select one reaction mechanism competing with others

Ferri-Vicedo, Pau; Li, Chengeng; Schwalbe-Koda, Daniel; Xie, Mingrou; Moliner Marin, Manuel; Gomez-Bombarelli, Rafael; Boronat Zaragoza, Mercedes; Corma Canós, Avelino (Nature Publishing Group, 2023-05-19)

[EN] Approaching the level of molecular recognition of enzymes with solid catalysts is a challenging goal, achieved in this work for the competing transalkylation and disproportionation of diethylbenzene catalyzed by acid ...
Building zeolites from precrystallized units: nanoscale architecture

Li, Chengeng; Moliner Marin, Manuel; Corma Canós, Avelino (John Wiley & Sons, 2018-11-19)

[EN] Since the early reports by Barrer in the 1940s on converting natural minerals into synthetic zeolites, the use of precrystallized zeolites as crucial inorganic directing agents to synthesize other crystalline zeolites ...
Cage-based small-pore catalysts for NH3-SCR prepared by combining bulky organic structure directing agents with modified zeolites as reagents

Martín-García, Nuria; Paris, Cecilia; Vennestrom; Peter Nicolai Ravnborg; Thogersen, Joakim Reimer; Corma Canós, Avelino; Moliner Marin, Manuel (Elsevier, 2017)

[EN] It has been possible to efficiently synthesize high-silica ERI and AFX zeolites with nano-sized primary crystallites (30-200 nm). This was achieved by using a dicationic and rigid organic structure directing agent ...
Chemical and Structural Parameter Connecting Cavity Architecture, Confined Hydrocarbon Pool Species, and MTO Product Selectivity in Small-Pore Cage-Based Zeolites

Ferri-Vicedo, Pau; Li, Chengeng; Paris, Cecilia; Vidal Moya, José Alejandro; Moliner Marin, Manuel; Boronat Zaragoza, Mercedes; Corma Canós, Avelino (American Chemical Society, 2019-12-06)

[EN] The catalysts used in the methanol-to-olefins (MTO) reaction are considered dual systems comprising an inorganic zeolite framework and organic compounds hosted inside that act as cocatalysts. The influence of zeolite ...
CO(2)hydrogenation using bifunctional catalysts based on K-promoted iron oxide and zeolite: influence of the zeolite structure and crystal size

García-Hurtado, Elisa; Rodríguez-Fernández, Aida; Moliner Marin, Manuel; Martínez, Cristina (The Royal Society of Chemistry, 2020-08-21)

[EN] In the present manuscript, the influence of the zeolite structure and crystal size on bifunctional tandem catalysts combining K-promoted iron oxide (K/Fe3O4) with different zeolites has been studied for the ...
Conceptual similarities between zeolites and artificial enzymes

Gallego-Sánchez, Eva María; Paris, Cecilia; Cantin Sanz, Angel; Moliner Marin, Manuel; Corma Canós, Avelino (The Royal Society of Chemistry, 2019-09-14)

[EN] By using a Diels-Alder (DA) reaction as a base case, we show that a pure silica zeolite acting as an entropy-trapping scaffold can be synthesized with an organic structure directing agent (OSDA) analogue of the ...
Coordinatively Unsaturated Hf-MOF-808 Prepared via Hydrothermal Synthesis as a Bifunctional Catalyst for the Tandem N-Alkylation of Amines with Benzyl Alcohol

Bohigues, Benjamin; Rojas-Buzo, Sergio; Moliner Marin, Manuel; Corma Canós, Avelino (American Chemical Society, 2021-11-29)

[EN] The modulated hydrothermal (MHT) synthesis of an active and selective Hf-MOF-808 material for the N-alkylation reaction of aniline with benzyl alcohol under base-free mild reaction conditions is reported. Through ...
Cu-SSZ-39, an active and hydrothermally stable catalyst for the selective catalytic reduction of NOx

Moliner Marin, Manuel; Franch Martí, Cristina; Palomares Gimeno, Antonio Eduardo; Grill, Marie; Corma Canós, Avelino (Royal Society of Chemistry, 2012)

[EN] A Cu-exchanged SSZ-39 zeolite has been synthesized and tested for the selective catalytic reduction (SCR) of NOx. This material shows an excellent catalytic activity, and most importantly, an extraordinary hydrothermal ...
Cu-zeolite catalysts for NOx removal by selective catalytic reduction with NH3 and coupled to NO storage/reduction monolith in diesel engine exhaust aftertreatment systems

De-La-Torre, Unai; Pereda-Ayo, Benat; Moliner Marin, Manuel; González Velasco, Juan Ramón; Corma Canós, Avelino (Elsevier, 2016-06-15)

[EN] Coupled NSR-SCR systems comprising a Pt-BaO/Al2O3 NSR monolith and Cu/CHA, Cu/ZSM-5 or Cu/BETA SCR catalysts are prepared and tested for NOx removal from diesel and lean burn engines exhaust gases. The Cu/zeolite ...
Data-Driven Design of Biselective Templates for Intergrowth Zeolites

Schwalbe-Koda, Daniel; Corma Canós, Avelino; Román-Leshkov, Yuriy; Moliner Marin, Manuel; Gomez-Bombarelli, Rafael (American Chemical Society, 2021-11-04)

[EN] Zeolites are inorganic materials with wide industrial applications due to their topological diversity. Tailoring confinement effects in zeolite pores, for instance by crystallizing intergrown frameworks, can improve ...
Deactivation and regeneration studies on Pd-containing medium pore zeolites as passive NOx adsorbers (PNAs) in cold-start applications

Bello-Jurado, Estefanía; Margarit Benavent, Vicente Juan; Gallego-Sánchez, Eva María; Schuetze, Frank; Hengst, Christoph; Corma Canós, Avelino; Moliner Marin, Manuel (Elsevier, 2020-08-01)

[EN] Two Pd-containing medium pore zeolite frameworks, MFI and MWW, have been evaluated as passive NOx adsorbers (PNAs) in automotive applications. The NOx adsorption/desorption behavior of Pd-containing standard ZSM-5 and ...
Design and Synthesis of the Active Site Environment in Zeolite Catalysts for Selectively Manipulating Mechanistic Pathways

Li, Chengeng; Ferri-Vicedo, Pau; Paris, Cecilia; Moliner Marin, Manuel; Boronat Zaragoza, Mercedes; Corma Canós, Avelino (American Chemical Society, 2021-07-21)

[EN] By combining kinetics and theoretical calculations, we show here the benefits of going beyond the concept of static localized and defined active sites on solid catalysts, into a system that globally and dynamically ...