Fly-Ash-Based Geopolymers: How the Addition of Recycled Glass or Red Mud Waste Influences the Structural and Mechanical Properties

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F17%3A00480856" target="_blank" >RIV/68081723:_____/17:00480856 - isvavai.cz</a>
Result on the web
<a href="https://www.ceramic-science.com/articles/all-articles.html?article_id=100566" target="_blank" >https://www.ceramic-science.com/articles/all-articles.html?article_id=100566</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.4416/JCST2017-00053" target="_blank" >10.4416/JCST2017-00053</a>

Result language
angličtina
Original language name
Fly-Ash-Based Geopolymers: How the Addition of Recycled Glass or Red Mud Waste Influences the Structural and Mechanical Properties
Original language description
One of the main advantages of geopolymer technology is its capability to accommodate several types of waste that would otherwise be disposed of in landfills in the production of geopolymer materials. This study investigates the possibility of substituting proportions of fly ash, normally used for the synthesis of geopolymers, with recycled glass and red mud waste. Compressive and flexural strength testing, fracture toughness determination, SEM and FTIR analyses were performed. The results show that the compressive strength decreases as the amount of glass in the geopolymer increases, on the other hand, the addition of red mud seems to improve the mechanical behavior. Moreover, on substitution of fly ash with glass and red mud, the geopolymer demonstrates a similar performance in terms of fracture toughness and flexural strength properties. The results confirm that red mud and waste glass have the potential to partially replace fly ash in geopolymer synthesis, opening thus the possibility of using geopolymer technology to reuse such residues in technical materials.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20504 - Ceramics

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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