Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Timur Kandemir"'
1
The Haber-Bosch Process Revisited: On the Real Structure and Stability of 'Ammonia Iron' under Working Conditions
Autor: Timur Kandemir, Malte Behrens, Manfred Erwin Schuster, Robert Schlögl, Anatoliy Senyshyn
Publikováno v: Angewandte Chemie International Edition. 52:12723-12726
Ammonia synthesis is one of the largest processes in chemical industries. It was first operated at BASF one hundred years ago based on the fundamental work of Fritz Haber and process engineering by Carl Bosch. Haber combined feed gas recycling with a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89c7930b9da1676a2cbf0a6a6cb909a6
https://doi.org/10.1002/anie.201305812
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4
Different routes to methanol: inelastic neutron scattering spectroscopy of adsorbates on supported copper catalysts
Autor: Stewart F. Parker, Matthias Friedrich, Timur Kandemir, Malte Behrens, Robert Schlögl, Felix Studt, David Lennon
Publikováno v: Physical Chemistry Chemical Physics
We have investigated methanol synthesis with model supported copper catalysts, Cu/ZnO and Cu/MgO, using CO/H2 and CO2/H2 as feedstocks. Under CO/H2 both catalysts show chemisorbed methoxy as a stable intermediate, the Cu/MgO catalyst also shows hydro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c19464225caf7ddce806e654b0a1dc3c
https://pubmed.ncbi.nlm.nih.gov/27075638
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5
Microstructural and Defect Analysis of Metal Nanoparticles in Functional Catalysts by Diffraction and Electron Microscopy: The Cu/ZnO Catalyst for Methanol Synthesis
Autor: Timur Kandemir, Frank Girgsdies, Robert Schlögl, Igor Kasatkin, Stefan Zander, Michael Tovar, Stefanie Kühl, Malte Behrens
Publikováno v: Topics in Catalysis
The application of different methods for a microstructural analysis of functional catalysts is reported for the example of different Cu/ZnO-based methanol synthesis catalysts. Transmission electron microscopy and diffraction were used as complementar
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3463569bc38dfdbcfcbe1fddcca8404
https://hdl.handle.net/21.11116/0000-0005-84B5-911858/00-001M-0000-0015-180B-311858/00-001M-0000-0013-ACC6-7
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6
Catalytic partial oxidation of methane on platinum investigated by spatial reactor profiles, spatially resolved spectroscopy, and microkinetic modeling
Autor: Raimund Horn, Oliver Korup, Timur Kandemir, Michael Geske, Gisela Weinberg, Robert Schlögl, Claude Franklin Goldsmith
Publikováno v: Journal of Catalysis
Spatially resolved profile measurements, Raman spectroscopy, electron microscopy, and microkinetic modeling have been used to study the catalytic partial oxidation of methane on Pt. The measured species profiles through Pt coated foam catalysts exhib
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b03ffc725ebaba8fa25406a4851c25a9
https://hdl.handle.net/11858/00-001M-0000-000E-6FDF-711858/00-001M-0000-000E-F9EE-421.11116/0000-0008-023E-1
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7
In situ study of catalytic processes: neutron diffraction of a methanol synthesis catalyst at industrially relevant pressure
Autor: Robert Schlögl, Igor Kasatkin, Thomas C. Hansen, Timur Kandemir, Edward L. Kunkes, Gregor Wowsnick, Frank Girgsdies, Malte Behrens, Nikolas Jacobsen, Klaus-Dieter Liss
Publikováno v: Angewandte Chemie International Edition
Studying the workplace: An industrial methanol synthesis catalyst operating at high pressure was studied by in situ neutron diffraction. The peculiar microstructure of Cu/ZnO/Al2O3 nanocatalysts was found to be stable under reaction conditions. Stack
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6cf538bf36eaa77409851d7ada866c3f
https://pubmed.ncbi.nlm.nih.gov/23576324
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8
Heterogeneous Catalysis under pressure - In-situ neutron diffraction under industrial conditions
Autor: Timur Kandemir, Edward L. Kunkes, Igor Kasatkin, Frank Girgsdies, Klaus-Dieter Liss, Malte Behrens, Vanessa K. Peterson, Robert Schlögl
Publikováno v: Journal of Physics: Conference Series
5th European Conference on Neutron Scattering. Prague, Czech Republic. 2011-07-17-2011-07-21
The present work describes the application of a tubular reactor that allows in-situ neutron diffraction on working catalysts at high pressures. The designed reactor enables the application to a sample of industrially-relevant reaction conditions, i.e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d32b6170e3ff50f1e26c1fc4734b903
https://hdl.handle.net/11858/00-001M-0000-0010-1F08-B11858/00-001M-0000-000E-AF77-6
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9
In situ neutron diffraction under high pressure : Providing an insight into working catalysts
Autor: Robert Schlögl, Timur Kandemir, Raoul Naumann d'Alnoncourt, Malte Behrens, Thomas Willum Hansen, Klaus-Dieter Liss, Dirk Wallacher
Publikováno v: Nuclear Instruments and Methods in Physics Research Section A
In the present work the construction and application of a continuous flow cell is presented, from which neutron diffraction data could be obtained during catalytic reactions at high pressure. By coupling an online gas detection system, parallel struc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e51f19c3df17f2157611e83310265e9
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