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National Repository of Grey Literature 8 records found  Search took 0.00 seconds. 
Příprava katalyzátorů MoO3/Al2O3 s ditribucí vajčná skořápka rozprostíráním MoO3 s asistencí rozpouštědla na extrudátech Al2O3: vliv velikosti částic MoO3 a teploty na rychlost rozprostírání
 Kaluža, Luděk ; Gulková, Daniela ; Zdražil, Miroslav
MoO3/Al2O3 catalysts with sharp and deep eggshell radial profiles of MoO3 concentration were prepared by the reaction of Al2O3 extrudates with MoO3/Al2O3 slurry. The method can be named as solvent assisted spreading. The profiles were visualized by two methods: electron probe microanalysis and sulfidation of samples.
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Promotování MoO3/Al2O3 hydrodesulfurizačních katalyzátorů Co naneseným suspenzní impregnací
 Kaluža, Luděk ; Zdražil, Miroslav
A new method of CoO deposition, solvent assisted spreading, has been studied. Co3O4, Co(OH)2, CoCO3Co(OH)2, and CoCO3 were allowed to react with MoO3/Al2O3 catalysts containing saturated MoO3 monolayer in water slurries. CoO deposition was followed by EPMA. The materials selected were characterized by PZC, SBET, XRD, AAS and HDS of thiophene.
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Příprava katalyzátoru MoO3/gama Al2O3 reakcí alfa-boehmitu se suspenzí MoO3/H2O - dvojí role MoO3 jako aktivní fáze a stabilizátor textury při kalcinaci
 Kaluža, Luděk ; Zdražil, Miroslav
The purpose of the present work was to explore the application of solvent assisted spreading to alpha-boehmite instead to gama-Al2O3. It was expected that MoO3 might serve only as deposited active phase but simultaneously also as peptizing agent improving mechanical strength and as thermal stabilizer inhibiting sintering of support surface area during calcination.
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Preparation of Eggshell MoO3/Al2O3 Catalyst by the Reaction of Al2O3 with Slurry MoO3/H2O: Effect of MoO3 Dispersion on Rate of Impregnation
 Kaluža, Luděk ; Vít, Zdeněk ; Zdražil, Miroslav
In the present work, we have found that the rate of impregnation was substantially increased by using MoO3 millled in planetary mill.
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Příprava a vlastnosti zaplněné monovrstvy MoO3 nanesené na Al2O3 nosič metodou suspenzní impregnace
 Kaluža, Luděk ; Zdražil, Miroslav ; Vít, Zdeněk
This paper deals with filled monolayer of MoO3 deposited on Al2O3 support by slurry impregnation.
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Příprava mesoporézního MgO zjednodušenou metodou sol-gel
 Gulková, Daniela ; Zdražil, Miroslav ; Šolcová, Olga
The purpose of the present paper is to show that mesoporous HSA MgO in the form of hard particles can be obtained by a simple special version of the conventional route;to explore simplification of sol-gel method; our attemps is named here is "simplified sol/gel method(sss)";to improve delimination and understanding of the HSA MgO texture by comparison of N2 adsorption isotherms of our MgO, MgO from literature an of samples for common support Al2O3.
Detailed record
Zjednodušená sol-gel příprava mesoporézního MgO nosiče
 Gulková, Daniela ; Šolcová, Olga ; Zdražil, Miroslav
This article deals with simplified sol-gel method for preparation of mesoporous MgO support
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Stanovení nasycené monovrstvy v MoO3/Al2O3 katalyzátorech metodou suspenzní impregnace
 Kaluža, Luděk ; Zdražil, Miroslav ; Vít, Zdeněk
In this article is desribed the determination of saturated monolayer coverage in MoO3/Al2O3 catalysts by slurry impregnation method
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