Hexagonal Mesoporous Silicas with and without Zr as Supports for HDS Catalysts.
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985858%3A_____%2F01%3A27013128" target="_blank" >RIV/67985858:_____/01:27013128 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Hexagonal Mesoporous Silicas with and without Zr as Supports for HDS Catalysts.
Original language description
Hexagonal mesoporous materials (HMS) with and without zirconium were used as supports for preparation of HDS catalysts. The catalysts prepared by modification of the supports with 12-phosphomolybdic acid (HPMo) were characterised by nitrogen adsorption,IR spectroscopy, TPD ammonia, TPR and catalic activity in thiophene hydrodesulphurisation. Parent silicas showed mesoporous structure with BET surface area between 1200 and 800 m2 g-1, pore size diameter around 3,3 nm and acidity around 0,3 mmol NH3 g-1.Molybdenum catalysts possess stronger acidity than the supports used. The catalytic activies in hydrodesulphurisation of thiophene of the molybdenum containing catalysts prepared with HMS were higher than the activity of the catalyst prepared with amorphous silica. Higher acidity of Zr-HMS supports lead to lower stability in the thiophene conversion.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CI - Industrial chemistry and chemical engineering
OECD FORD branch
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Result continuities
Project
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Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2001
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Catalysis Today
ISSN
0920-5861
e-ISSN
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Volume of the periodical
65
Issue of the periodical within the volume
2-4
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
7
Pages from-to
217-223
UT code for WoS article
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EID of the result in the Scopus database
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