The influence of different starting conditions to the hydrothermal formation of tobermorite - influence of silica source and water-to-solid ratio

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F19%3APU132454" target="_blank" >RIV/00216305:26310/19:PU132454 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
The influence of different starting conditions to the hydrothermal formation of tobermorite - influence of silica source and water-to-solid ratio
Original language description
In this study, the influence of different starting materials, especially the silica source was studied. Hydrothermal reactions were performed at 180 °C under saturated steam pressure, while the reaction time was three days and C/S ratio of the starting mixture was set to 0.83. For the synthesis of tobermorite, the crystalline silica source with finer particles is favourable. After three days of reaction using silica sand Dorsilit (d50 = 5.3 µm) and w/s ratio in the range 2–5 ml/g tobermorite is the main detected phase in the samples. When amorphous silica sources (industrially prepared micro silica and self-synthesised SixOyOHz from TEOS) were used as starting materials, other C–S–H phases like gyrolite, hillebrandite and clinotobermorite were prepared.
Czech name
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Czech description
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Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
15th International Congress on the Chemistry of Cement (ICCC 2019) Congress proceedings – Papers and Posters Proceedings
ISBN
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ISSN
2523-935X
e-ISSN
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Number of pages
11
Pages from-to
1-11
Publisher name
Research Institute of Binding Materials Prague
Place of publication
Praha
Event location
Praha
Event date
Sep 16, 2019
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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