Use of modified waste sludge from limestone washing into a form of alternative binder

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26232511%3A_____%2F19%3AN0000097" target="_blank" >RIV/26232511:_____/19:N0000097 - 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
Use of modified waste sludge from limestone washing into a form of alternative binder
Original language description
Waste sludge from mining and washing of limestone is a material that is in great amount stored in waste ponds, and its amount is still increasing, even though its composition can be useful for several purposes. It contains limestone, feldspars and clay minerals, that are also part of raw materials used for burning of cement clinker. This material can be used also for preparation of alternative binder. Its composition was modified by advantageous adding of other waste material containing mainly calcium oxide and silicon dioxide in form of tobermorite and xonotlite. These two materials were mixed together in different proportions with K2O addition and burned at 1150 °C and 1350 °C. The main products formed were lime, dicalcium silicate, rankinite, wollastonite and pseudowollastonite. The aim of this work was to prepare alternative binder based on these waste materials.
Czech name
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Czech description
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Project
<a href="/en/project/TJ01000158" target="_blank" >TJ01000158: Ecological Treatment of Industrial Wastes by Hydrothermal Method</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Papers and posters proceedings 15th International Congress on the Chemistry of Cement
ISBN
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ISSN
2523-935X
e-ISSN
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Number of pages
9
Pages from-to
1-9
Publisher name
Research Institute of Binding Materials Prague Ltd.
Place of publication
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Event location
Prague, Czech Republic
Event date
Sep 16, 2019
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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