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15 results on '"Jirglová, Hana"'

11. Investigations of molecular diffusion in FCC catalysts

Author

Universität Leipzig, Cepsa Research Center, Picos de Europa, SINTEF Materials and Chemistry, National Technical University of Athens, Grace GmbH & Co. KG, Institute of Chemical Technology, J. Heyrovský Institute of Physical Chemistry, Universität Stuttgart, University of Oslo, Kortunov, Pavel, Vasenkov, Sergey, Kärger, Jörg, Fé Elía, M., Perez, M., Stöcker, Michael, Papadopoulos, George K., Theodoroud, Doros, Drescher, B., McElhiney, Gordon, Bernauer, Bohumil, Krystl, V., Zikánová, Arlette, Jirglová, Hana, Berger, C., Gläser, Roger, Weitkamp, Jens, Hansen, Eddy Walther, Kočiřík, Milan, Universität Leipzig, Cepsa Research Center, Picos de Europa, SINTEF Materials and Chemistry, National Technical University of Athens, Grace GmbH & Co. KG, Institute of Chemical Technology, J. Heyrovský Institute of Physical Chemistry, Universität Stuttgart, University of Oslo, Kortunov, Pavel, Vasenkov, Sergey, Kärger, Jörg, Fé Elía, M., Perez, M., Stöcker, Michael, Papadopoulos, George K., Theodoroud, Doros, Drescher, B., McElhiney, Gordon, Bernauer, Bohumil, Krystl, V., Zikánová, Arlette, Jirglová, Hana, Berger, C., Gläser, Roger, Weitkamp, Jens, Hansen, Eddy Walther, and Kočiřík, Milan

Published
2016

12. Investigations of molecular diffusion in FCC catalysts

Author

Kortunov, Pavel, Vasenkov, Sergey, Kärger, Jörg, Fé Elía, M., Perez, M., Stöcker, Michael, Papadopoulos, George K., Theodoroud, Doros, Drescher, B., McElhiney, Gordon, Bernauer, Bohumil, Krystl, V., Zikánová, Arlette, Jirglová, Hana, Berger, C., Gläser, Roger, Weitkamp, Jens, Hansen, Eddy Walther, Kočiřík, Milan, Universität Leipzig, Cepsa Research Center, Picos de Europa, SINTEF Materials and Chemistry, National Technical University of Athens, Grace GmbH & Co. KG, Institute of Chemical Technology, J. Heyrovský Institute of Physical Chemistry, Universität Stuttgart, and University of Oslo

Subjects
diffusion, transport, ddc:530
Published
2005

15. Synthesis and properties of phloroglucinol-phenol-formaldehyde carbon aerogels and xerogels.

Author

Jirglová H, Pérez-Cadenas AF, and Maldonado-Hódar FJ

Abstract

Carbon aerogels and xerogels were successfully prepared from phloroglucinol-phenol mixtures and characterized by different techniques to determine their potential. We examined the influence of the phloroglucinol/phenol ratio, reactant concentration, cure conditions, and drying method on the morphology and porosity of the samples. The gelation time was found to be independent of the phloroglucinol/phenol ratio in spite of the different reactivities of both monomers. In general, carbon aerogels have a high volume of mesopores and of micropores without diffusion restrictions. Carbon xerogels are denser materials without mesopores but with a well-developed microporosity that shows a strong molecular sieve effect. Therefore, while micro-/mesoporous carbon aerogels can be used as catalyst supports or VOC adsorbents, the microporous carbon xerogel could offer high selectivity in the separation of small molecules from gaseous mixtures.

Published
2009
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