|
|
Political system of Luxembourg and Liechtenstein
JURIŠTOVÁ, Kristýna
Thesis deals with the description and analysis of the current political systems, Luxembourg and Liechtenstein. The work defines the form of State establishment, the historical and political developments. The main emphasis is on the characteristics of the separation of powers in a State election, and the party system. The aim of this work is the presentation of the basic principles of the Luxembourg and of the political system, and their brief evaluation.
|
|
| |
|
|
Preparation and Characteristics of Porous Supports for Microporous Membranes Based on Al2O3 and SiO2
Fíla, V. ; Hrabánek, Pavel ; Juristová, K. ; Zikánová, Arlette ; Andertová, J. ; Bernauer, B.
Inorganic membranes have been used for separation of various liquid and gas mixtures due to their high mechanical and chemical resistance at elevated temperatures and pressures. The materials such as stainless steel, ceramics, polymers are available for preparation of the inorganic membranes. This paper is focused on the preparation and characterization of the composite membranes consisting of a ceramic support and layer of zeolite. The first part of the paper deals with the preparation of the porous ceramic supports, which are made using dry molding of a ceramic suspension mixed with the organic dispersant. The supports were characterized by permeation of N2, mercury porosimetry and SEM. The second part of the paper is focused on the preparation of microporous zeolite (MFI) layers on the supports. These microporous membranes were characterized by permeation and separation of H2 and iso-butane.
|
|
|
Vývoj anorganických nosičů vhodných pro depozici mikroporésních vrstev – syntéza a charakterizace
Juristová, K. ; Fíla, V. ; Andertová, J. ; Zikánová, Arlette ; Bernauer, B. ; Lhotka, M.
The present study is focused on the preparation of porous supports (ceramic, glass) and thin microporous layers (zeolite, polyaluminum chlorid (PAC), silicalite-1), which are suitable for application in the catalysis, membrane technology and biotechnology. The modification of ceramic Al2O3 support and its preparation by the slip-casting method is discussed here. The optimal conditions for modification of ceramic support using the PAC and the optimal conditions for slip-casting support design were proposed and experimentally verified. The second part of the work deals with the synthesis of boro-silicalite glass. The characterization of the supports by SEM, mercury porosimetry and by permeation measurements are discussed.
|
guest ::
RSS feed.