Home > Search Results: Krystl, V.
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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Vliv zrání a doby krystalizace na morfologii silikalitových krystalických vrstev
 Hrabánek, Pavel ; Zikánová, Arlette ; Bernauer, B. ; Fíla, V. ; Krystl, V. ; Koňák, Čestmír ; Kočiřík, Milan
Influence of ageing and duration of crystallization on morphology of silicalite-1 crystal layers.
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Preparation of silicalite-1 composite membranes
 Hrabánek, Pavel ; Bernauer, B. ; Zikánová, Arlette ; Krystl, V. ; Kočiřík, Milan
Silicalite-1 crystal layers were synthesised on stainless steel and ceramic supports. The stainless steel supports manufactured by Trumem Int. (USA) and ceramic supports manufactured by Carborundum Electrite (Czech Republic) were chosen to prepare silicalite-1 composite membranes. In the case of stainless steel silicalite-1 composite membrane, the applied synthesis process has been recently developed by Gora et.al [1]. It was observed that the presence of silicalite-1 seeds influenced the membrane quality. A number of crystallization steps also played an important role. Ceramic silicalite-1 composite membranes were prepared on ceramic supports with the layers of randomly oriented silicalite-1 crystals. The disadvantage of the ceramic supports was their large pore size distribution and roughness of the surface. For this reason, several coating steps using ceramic glaze had to be used to reduce the pore size distribution and non-uniformity of the surface.
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Hydrodealkylation of Alkylaromates - Process Investigation and Modelling
 Lederer, J. ; Krystl, V. ; Šimek, J. ; Kolena, J. ; Hanika, Jiří
Mathematical model of benzene from pyrolysis gasoline production unit of Chemopetrol Litvínov (production capacity 190 kt per annum) has been developed in the study. The model will be a useful tool for screening of different technological variants for aromatics surplus utilization. Kinetic data of all important individual reactions as an input for model solution and process simulation were determined.
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