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Colloidal Silica as an Efficient Binder for the Preparation of Al-SBA-15 Pellets
Topka, Pavel ; Karban, Jindřich ; Soukup, Karel ; Jirátová, Květa ; Šolcová, Olga
The objective of this contribution was to examine the possibility of using colloidal silica as a binder for the preparation of extrudates or pellets from mesoporous molecular sieves. Al- SBA-15 pellets with different content of colloidal silica were prepared and their textural properties and mechanical stability were investigated. The catalytic activity of the pellets in Friedel-Crafts alkylation of toluene with benzyl alcohol was directly compared to that of binder-free pellets and powder catalyst.
Hodnocení texturních, mechanických a katalytických vlastností pelet Al-SBA-15 s nízkým obsahem křemičitanového pojiva
Topka, Pavel ; Karban, Jindřich ; Soukup, Karel ; Šolcová, Olga
This contribution deals with evaluation on textural, mechanical, and catalytic properties of Al-SBA-15 pellets with low content of silica binder.
Sdružené úlohy v silnoproudých aplikacích
Doležel, Ivo ; Karban, P. ; Šolín, Pavel ; Ulrych, B.
The paper presents several typical coupled problems in power engineering applications, show their mathematical and computer models, discuss the possibilities of their numerical solution and illustrate them on particular examples.
Techniky zpracování tuhých a tekutých kovů založené na elektromagnetické indukci
Doležel, Ivo ; Šolín, Pavel ; Musil, Ladislav ; Ulrych, B. ; Karban, P. ; Barglik, J.
A lot of up-to-date industrial technologies associated with treatment of solid and liquid metals are based on thermal and force effects of electromagnetic field. The fundamental process is induction heating of metals that precedes a number of consequent operations such as tempering, drying, melting, stirring, hardening, hot pressing etc. The paper summarizes physical essence of the above processes (that usually represent complex coupled problems) and presents their mathematical and computer models as well as possible methods of their solutions.

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