Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Daniela Habel"'
Autor:
Michael Tovar, Manuel Harth, R. Mitdank, Helmut Schubert, Oliver Görke, Helmut Winter, Daniela Habel
Publikováno v:
International Journal of Materials Research. 104:657-665
Electrochemical methods have been applied in the catalytic system V2O5 in order to investigate the redox properties and their correlation with catalytic properties. Temperature programmed conductivity measurements using electrochemical impedance spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a021c8e6375dc617da776f98eda67aad
https://doi.org/10.3139/146.110906
https://doi.org/10.3139/146.110906
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 269:345-352
TiO 2 /V 2 O 5 based ceramic materials applied in catalysis were investigated. Structural properties like the grain diameter of these pressed ceramic powders were analysed by means of Rutherford backscattering (RBS) making use of an analytic model to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cafc793229e5b78d5d7e44f491fc51b5
https://doi.org/10.1016/j.nimb.2010.11.047
https://doi.org/10.1016/j.nimb.2010.11.047
Autor:
M. Ziemann, Oliver Schwarz, M. Tovar, Daniela Habel, Oliver Görke, Marc Georg Willinger, Reinhard Schomäcker, Helmut Schubert
Publikováno v:
Journal of the European Ceramic Society. 29:1093-1099
Commonly used catalysts in industry are compositions of highly dispersed particles. Typical systems consist of precious metals or transition metal oxides like V 2 O 5 on oxide supports, especially TiO 2 , Al 2 O 3 and SiO 2 . Support and active compo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::670e5312351e4d101c9993a13807debc
https://doi.org/10.1016/j.jeurceramsoc.2008.07.065
https://doi.org/10.1016/j.jeurceramsoc.2008.07.065
Publikováno v:
Journal of Phase Equilibria and Diffusion. 29:482-487
The target of this work was to investigate the phase development in the catalyst system consisting of TiO2 (Anatase) and V2O5 (Shcherbinaite) under several gas atmospheres. Thus a set of V2O5/TiO2 specimens was prepared by ball milling and exposed to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8157055a3d45da31d6d27ababe39a69
https://doi.org/10.1007/s11669-008-9391-z
https://doi.org/10.1007/s11669-008-9391-z
Publikováno v:
Chemical Engineering & Technology. 29:519-523
A commercially available niobia hydrate, which is an industrial intermediate in the production of pure niobia, was prepared, characterized, and tested as a solid acid catalyst. The gas phase esterification of acetic acid with ethanol was used as a si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::817741a410341625808807056acbd3ef
https://doi.org/10.1002/ceat.200500380
https://doi.org/10.1002/ceat.200500380
Publikováno v:
Chemie Ingenieur Technik. 78:39-44
Ein kommerziell erhaltliches Nioboxid-Hydrat, das bei der Darstellung von Nioboxid als Zwischenprodukt anfallt, wird auf seine Eignung als Feststoffsaure-Katalysator untersucht. Die Veresterung von Essigsaure mit Ethanol in der Gasphase dient fur die
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c8997415d75d321cbeacd9368e5556d
https://doi.org/10.1002/cite.200500150
https://doi.org/10.1002/cite.200500150
Autor:
Christian Hess, Daniela Habel, Egbert Feike, C. Schröder, A. Hösch, Jürgen Caro, Jean Boris Stelzer, Helmut Schubert, Axel Knop-Gericke
Publikováno v:
Synthesis and Processing of Nanostructured Materials: Ceramic Engineering and Science Proceedings, Volume 27, Issue 8
The target of this work was to investigate phase development in the catalyst system consisting of TiO 2 (anatase) and V 2 O 5 (Shcherbinaite). Thus, a set of V 2 O 5 /TiO 2 specimens was prepared by ball milling and exposed to subsequent annealing in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7a024dee34eaf4e1d8a989279b017ba
https://doi.org/10.1016/j.jeurceramsoc.2005.09.108
https://doi.org/10.1016/j.jeurceramsoc.2005.09.108
Publikováno v:
Catalysis Letters. 100:181-187
The reaction of aniline with ethanol was carried out over an industrial niobic acid catalyst in a fixed bed reactor at atmospheric pressure and 220–260 °C. The main products, N-ethylaniline and N,N-diethylaniline were formed consecutively. A kinet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16a0bbb6d3679cd789e0ae0ffeafc103
https://doi.org/10.1007/s10562-004-3452-7
https://doi.org/10.1007/s10562-004-3452-7
Autor:
Armin Feldhoff, Jürgen Caro, Martin Fait, Egbert Feike, Daniela Habel, Jean Boris Stelzer, Helmut Schubert
Publikováno v:
Chemie Ingenieur Technik. 76:1086-1092
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0087243c5385e3ce47079dcc446d9391
https://doi.org/10.1002/cite.200403390
https://doi.org/10.1002/cite.200403390
Autor:
Helmut Schubert, Daniela Habel, Evgenii V. Kondratenko, Reinhard Schomäcker, Oliver Schwarz, Christian Hess, Olga Ovsitser
Publikováno v:
Journal of Molecular Catalysis A
Two preparation methods (wet saturation impregnation with vanadyl acetylacetonate and ball-milling of γ-Al2O3 with crystalline V2O5) were applied to produce two sets of VOx/γ-Al2O3 catalysts with increasing vanadium loadings. Materials from both se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f45c499c35ca7e454e1bcb20ee293538
https://hdl.handle.net/21.11116/0000-0008-9725-411858/00-001M-0000-0010-FBCA-C11858/00-001M-0000-0010-FBC9-E
https://hdl.handle.net/21.11116/0000-0008-9725-411858/00-001M-0000-0010-FBCA-C11858/00-001M-0000-0010-FBC9-E
