Search for dissertations about: "sieve"
Showing result 1 - 5 of 30 swedish dissertations containing the word sieve.
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1. Modified molecular sieve macrostructures
Abstract : The preparation of molecular sieve based catalysts in appropriate macroforms suitable for practical utilization is of great technological importance. This thesis is dedicated to the preparation of metal containing molecular sieve macrostructures (modified macrostructures). READ MORE
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2. MFI-molecular sieve membranes : synthesis, characterization and modelling
Abstract : This work concerns evaluation by permeation measurements and modeling of thin (.... READ MORE
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3. Molecular sieve film catalysts
Abstract : In this study, well defined ZSM-5 films were prepared on monoliths, ceramic foams, alumina beads, glass beads and crushed quartz glass by further refinement of a method originally developed at the division of Chemical Technology, Luleå University of Technology. The supports were seeded with silicalite-1 seeds and hydrothermally treated, either at 75 °C or at 150 °C in a single or several steps. READ MORE
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4. Properties of molecular sieve membranes
Abstract : Zeolites are crystalline aluminosilicates with molecular sieving properties and are widely used in industry for catalysis, sorption and ion-exchange applications. Zeolite membranes are commercially interesting since this technology may be employed for continuous separation of molecules under severe conditions. READ MORE
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5. Molecular sieve films and zoned materials
Abstract : Molecular sieve films and colloidal particles may have great potential for further utilization in novel technological sophisticated applications such as structured catalysts, sensors and membranes. The work presented in this thesis concerns the synthesis molecular sieve films and the crystallization of zoned MFI materials for novel catalyst and sensor applications. READ MORE
