Zobrazeno 1 - 10 of 27 pro vyhledávání: '"Chengeng Li"'
1
Akademický článek
Low-temperature hydroformylation of ethylene by phosphorous stabilized Rh sites in a one-pot synthesized Rh-(O)-P-MFI zeolite
Autor: Minjie Zhao, Chengeng Li, Daviel Gómez, Francisco Gonell, Vlad Martin Diaconescu, Laura Simonelli, Miguel Lopez Haro, Jose Juan Calvino, Debora Motta Meira, Patricia Concepción, Avelino Corma
Publikováno v: Nature Communications, Vol 14, Iss 1, Pp 1-13 (2023)
Abstract Zeolites containing Rh single sites stabilized by phosphorous were prepared through a one-pot synthesis method and are shown to have superior activity and selectivity for ethylene hydroformylation at low temperature (50 °C). Catalytic activ
Externí odkaz: https://doaj.org/article/9eef21b15c4f43b6a4f58dad9e67eac4
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2
Akademický článek
Approaching enzymatic catalysis with zeolites or how to select one reaction mechanism competing with others
Autor: Pau Ferri, Chengeng Li, Daniel Schwalbe-Koda, Mingrou Xie, Manuel Moliner, Rafael Gómez-Bombarelli, Mercedes Boronat, Avelino Corma
Publikováno v: Nature Communications, Vol 14, Iss 1, Pp 1-13 (2023)
Abstract 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 zeolites. The key diaryl
Externí odkaz: https://doaj.org/article/2088028ace0041b8983d43e4dcc7b949
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3
Akademický článek
Critical Factors Affecting Water and Nitrogen Losses from Sloping Farmland during the Snowmelt Process
Autor: Qiang Zhao, Jifeng Zhang, Jingwei Wu, Chenyao Guo, Chengeng Li, Yawen Liu, Rui Zhang, Hang Zhao
Publikováno v: Agronomy, Vol 13, Iss 2, p 350 (2023)
Water and nitrogen losses from farmland during the snowmelt process play a vital role in water and nitrogen management in cold regions. To explore the mechanisms and factors contributing to water and nitrogen loss from different sloping farmlands dur
Externí odkaz: https://doaj.org/article/000271c0302a435f82ac85453311b0d1
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6
The Limits of the Confinement Effect Associated to Cage Topology on the Control of the MTO Selectivity
Autor: Mercedes Boronat, Chengeng Li, Cecilia Paris, Aida Rodríguez-Fernández, Manuel Moliner, Avelino Corma, Pau Ferri
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
[EN] The light olefin product distribution of the methanol-to-olefin (MTO) reaction catalyzed by acid zeolites and zeotypes depends on the nature of the entrapped hydrocarbon pool species that act as co-catalysts. The preferential stabilization by co
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef59c04701d10fb0af6da56f9b8f7641
https://doi.org/10.1002/cctc.202001760
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7
Rationalize the synthesis of zeolite catalysts by understanding reaction mechanism
Autor: Chengeng Li
Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
[EN] The present thesis focuses on the rationalization of the zeolite synthesis for catalysis by understanding the nature of active sites and their microenvironments, together with their influence on the mechanisms of catalyzed reactions. In the firs
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1d8833763f6a997c8c453c87ca3b9fa
https://doi.org/10.4995/thesis/10251/147115
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8
Building Zeolites from Precrystallized Units: Nanoscale Architecture
Autor: Manuel Moliner, Avelino Corma, Chengeng Li
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
Angewandte Chemie International Edition
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
[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 with improved physicochemic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca938582a5e669c20b4e5d8a38917c42
https://doi.org/10.1002/anie.201711422
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10
Synthesis of reaction‐adapted zeolites as methanol-to-olefins catalysts with mimics of reaction intermediates as organic structure‐directing agents
Autor: Manuel Moliner Marín, Avelino Corma Canos, Mercedes Boronat Zaragoza, Cecilia Paris, Joaquín Martínez-Triguero, Chengeng Li
Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
instname
Nature Catalysis
Digital.CSIC. Repositorio Institucional del CSIC
Catalysis with enzymes and zeolites have in common the presence of well-defined single active sites and pockets/cavities where the reaction transition states can be stabilized by longer-range interactions. We show here that for a complex reaction, su
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c4fae59f687b2b38db0bfa23bba9a9f
https://doi.org/10.1038/s41929-018-0104-7
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