Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Maciej Trejda"'
Publikováno v:
Journal of Porous Materials. 28:1261-1267
Mesoporous silica of SBA-15 type was modified for the first time with 3-(trihydroxysiyl)-1-propanesulfonic acid (TPS) by post-synthesis modification involving microwave or conventional heating in order to generate the Brønsted acidic centers on the
Publikováno v:
Materials (Basel, Switzerland). 15(14)
Herein, the impact of cerium species loaded on mesoporous silica of MCF type on the state and catalytic activity of ruthenium species was studied. Up to 20 wt.% of cerium was incorporated on the silica surface, whereas the same 1 wt.% of Ru loading w
Publikováno v:
Catalysis Today. 354:61-66
Ordered mesoporous silica of SBA-15 type was modified with 3-(trihydroxysilyl)-1-propanesulfonic acid (TPS) in order to obtain a solid acid catalyst. The structure and surface properties of the materials obtained were compared with those of SBA-15 si
Publikováno v:
Grzelak, K, Trejda, M & Riisager, A 2022, ' Copper Supported on Ceria Mesocellular Foam Silica as an Effective Catalyst for Reductive Condensation of Acetone to Methyl Isobutyl Ketone ', ChemSusChem, vol. 15, no. 7, e202102012 . https://doi.org/10.1002/cssc.202102012
Copper-containing materials based on Ce- and Ca–Nb-mesocellular foam (MCF) silica supports are prepared, characterized and applied as catalysts for gas-phase reductive condensation of acetone to produce methyl isobutyl ketone (MIBK). The properties
Publikováno v:
Materials, Vol 14, Iss 7226, p 7226 (2021)
Materials
Materials; Volume 14; Issue 23; Pages: 7226
Materials
Materials; Volume 14; Issue 23; Pages: 7226
In this paper, the optimization of the synthesis of catalysts based on acidic mesoporous silica of the SBA-15 type by post-synthesis immobilization of 3-(trihydroxysilyl)-1-propanesulfonic acid (TPS) under increased pressure up to 20 bar is reported.
Publikováno v:
International Journal of Molecular Sciences
Volume 24
Issue 3
Pages: 2252
Volume 24
Issue 3
Pages: 2252
The aim of this study was to get insight into the pathway of the acetaldehyde formation from ethanol (the rate-limiting step in the production of 1,3-butadiene) on Cu-SBA-15 and Cu-MnSBA-15 mesoporous molecular sieves. Physicochemical properties of t
Publikováno v:
Microporous and Mesoporous Materials. 278:115-120
Acidic catalysts dedicated for esterification processes were prepared by immobilization of (3-mercaptopropyl)trimethoxysilane (MPTMS) on mesoporous silica and niobiosilicate material using a new methodology, i.e. solvothermal technique with increased
Publikováno v:
Catalysts
Volume 11
Issue 3
Catalysts, Vol 11, Iss 397, p 397 (2021)
Volume 11
Issue 3
Catalysts, Vol 11, Iss 397, p 397 (2021)
Bifunctional catalysts—e.g., those with acidic and redox sites—are of particular importance, especially in the cascade processes, including the one-pot transformation of glycerol to acrylic acid. In this study, we explore one aspect of the prepar
Publikováno v:
Grzelak, K, Thumbayil, R P, Kegnæs, S, Trejda, M & Riisager, A 2021, ' Ce and Ca/Nb doped Pd-mesocellular foam catalysts for gas-phase conversion of acetone to methyl isobutyl ketone ', Microporous and Mesoporous Materials, vol. 322, 111169 . https://doi.org/10.1016/j.micromeso.2021.111169
Herein, we report a study on the design of new palladium containing catalysts based on Ce- and Ca–Nb-mesocellular foam (MCF) supports for gas-phase conversion of acetone to methyl isobutyl ketone (MIBK). A comparison to other catalyst materials alr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a87101a80eebecb504502822cc8fc75f
https://orbit.dtu.dk/en/publications/175908f1-f818-43fc-b83e-46bc9f5a6410
https://orbit.dtu.dk/en/publications/175908f1-f818-43fc-b83e-46bc9f5a6410
Publikováno v:
Dalton transactions (Cambridge, England : 2003). 49(28)
Mesoporous silica of the SBA-15 type was used as a support for basic active centers generated by the incorporation of calcium species and (3-aminopropylo)trimethoxysilane (APTMS) or imidazole. The samples were characterized by low temperature N2 adso