Zobrazeno 1 - 10 of 15 pro vyhledávání: '"Jan Ilsemann"'
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Effects of low molar concentrations of low-valence dopants on samarium oxide xerogels in the oxidative coupling of methane
Autor: Andrew S. Jones, Jan Ilsemann, Helena E. Hagelin-Weaver, Daniel Aziz, Marcus Bäumer
Publikováno v: Catalysis Today. 365:58-70
The effects of low-valence dopants on the catalytic properties of samarium oxide xerogel catalysts were investigated in the oxidative coupling of methane (OCM). More specifically, very low concentrations (0.1 and 1.0 % by mol) of transition metal (Ag
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd259eb38aae7c19572ed7e11cc16c72
https://doi.org/10.1016/j.cattod.2020.05.062
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3
Doped samarium oxide xerogels for oxidative coupling of methane—Effects of high-valence dopants at very low concentrations
Autor: Daniel Aziz, Andrew S. Jones, Marcus Bäumer, Jan Ilsemann, Helena E. Hagelin-Weaver
Publikováno v: Catalysis Today. 365:46-57
The effects of high-valance dopants on the catalytic properties of samarium oxide xerogels were investigated at concentrations of 0.1 and 1.0 % (by mol) in the oxidative coupling of methane (OCM). Gd, Y, Zr, and V dopants were selected to examine the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::50f7b7fa4f9bc64b60543ebc13a1ac41
https://doi.org/10.1016/j.cattod.2020.06.012
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4
On the support dependency of the CO2 methanation – decoupling size and support effects
Autor: M. Mangir Murshed, Thorsten M. Gesing, Marcus Bäumer, Jan Kopyscinski, Jan Ilsemann
Publikováno v: Catalysis Science & Technology. 11:4098-4114
The influence of the support basicity, according to the Lewis and Bronsted definition, was investigated for the Ru catalyzed CO2 methanation in the temperature range from 200 °C to 400 °C. Due to the structure-sensitivity of the reaction, a novel b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ffd8d8252f3b533fb8eb487cc1497745
https://doi.org/10.1039/d1cy00399b
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5
Digitization in Catalysis Research: Towards a Holistic Description of a Ni/Al$_2$O$_3$ Reference Catalyst for CO$_2$ Methanation
Autor: Sebastian Weber, Ronny T. Zimmermann, Jens Bremer, Ken L. Abel, David Poppitz, Nils Prinz, Jan Ilsemann, Sven Wendholt, Qingxin Yang, Reihaneh Pashminehazar, Federico Monaco, Peter Cloetens, Xiaohui Huang, Christian Kübel, Evgenii Kondratenko, Matthias Bauer, Marcus Bäumer, Mirijam Zobel, Roger Gläser, Kai Sundmacher, Thomas L. Sheppard
Publikováno v: ChemCatChem 14(8), e202101878 (2022). doi:10.1002/cctc.202101878 special issue: "Catalysts and Reactors under Dynamic Conditions for Energy Storage and Conversion"
ChemCatChem 14(8), e202101878 (2022). doi:10.1002/cctc.202101878 special issue: "Catalysts and Reactors under Dynamic Conditions for Energy Storage and Conversion / Guest Editors: Jan-Dierk Grunwaldt, Roger Gläser, Ulrike Krewer and Karsten Reuter"
ChemCatChem
ChemCatChem, 14 (8), e202101878
ChemCatChem (2022). doi:10.1002/cctc.202101878
Published by WILEY-VCH Verlag, Weinheim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d82ca623ac2366f2c62d06c40166b8a
https://bib-pubdb1.desy.de/record/476845
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6
A large fixed bed reactor for MRI operando experiments at elevated temperature and pressure
Autor: Jan Ilsemann, Harm Ridder, Christoph Sinn, Jorg Thöming, Georg R. Pesch, Wolfgang Dreher
Publikováno v: The Review of scientific instruments. 92(4)
Recently, in situ studies using nuclear magnetic resonance (NMR) have shown the possibility to monitor local transport phenomena of gas-phase reactions inside opaque structures. Their application to heterogeneously catalyzed reactions remains challen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdd80c794ae4de9ce517379fb22194c9
https://pubmed.ncbi.nlm.nih.gov/34243384
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7
Cobalt@Silica Core‐Shell Catalysts for Hydrogenation of CO/CO 2 Mixtures to Methane
Autor: Robert Güttel, Jan Ilsemann, Jens Friedland, Lars Kiewidt, Marcus Bäumer, Angela Straß-Eifert, Jorg Thöming
Publikováno v: ChemCatChem 11 (2019) 19
ChemCatChem, 11(19), 4884-4893
COx hydrogenation reactions for hydrocarbon synthesis, such as methane, are becoming more and more important in terms of the energy transition. The formation of the byproduct water leads to a hydrothermal environment, which necessitates stable cataly
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75c992517852a23504ffb2ca24c72d56
https://doi.org/10.1002/cctc.201900916
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8
Nickel-containing hybrid ceramics derived from polysiloxanes with hierarchical porosity for CO2 methanation
Autor: Dulce Maria de Araújo Melo, Michaela Wilhelm, Jan Ilsemann, Kurosch Rezwan, Heloisa P. Macedo, RA Medeiros
Publikováno v: Microporous and Mesoporous Materials. 278:156-166
Nickel-containing hybrid ceramics were prepared by pyrolytic conversion from either methyl or methyl-phenyl polysiloxanes mixed with bistrimethoxysilylpropylamine (BisA) as a complexing agent and nickel salt. Materials with tailorable characteristics
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c570727613e3669e09dd1736caeb2922
https://doi.org/10.1016/j.micromeso.2018.11.006
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