Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Synthesizing one-part geopolymers from rice husk ash
One-part geopolymers offer advantages over conventional geopolymers with regard to handling and storage of feedstocks. However, they often suffer from a low degree of reaction, a high amount of crystalline byproducts, and consequently low strength. In this study, one-part geopolymers were produced from rice husk ash (RHA) and sodium aluminate, and investigated by XRD, ATR-FTIR, SEM and compressive strength testing. The compressive strength of the material was ∼30 MPa, i.e. significantly higher than for comparable one-part geopolymers. This is attributed to an almost complete reaction of the RHA and the absence of crystalline byproducts (zeolites) in the hardened geopolymer.
Synthesizing one-part geopolymers from rice husk ash
One-part geopolymers offer advantages over conventional geopolymers with regard to handling and storage of feedstocks. However, they often suffer from a low degree of reaction, a high amount of crystalline byproducts, and consequently low strength. In this study, one-part geopolymers were produced from rice husk ash (RHA) and sodium aluminate, and investigated by XRD, ATR-FTIR, SEM and compressive strength testing. The compressive strength of the material was ∼30 MPa, i.e. significantly higher than for comparable one-part geopolymers. This is attributed to an almost complete reaction of the RHA and the absence of crystalline byproducts (zeolites) in the hardened geopolymer.
Synthesizing one-part geopolymers from rice husk ash
Sturm, P. (Autor:in) / Gluth, G.J.G. (Autor:in) / Brouwers, H.J.H. (Autor:in) / Kühne, H.C. (Autor:in)
15.10.2016
Sturm, P, Gluth, G J G, Brouwers, H J H & Kühne, H C 2016, 'Synthesizing one-part geopolymers from rice husk ash', Construction and Building Materials, vol. 124, pp. 961-966. https://doi.org/10.1016/j.conbuildmat.2016.08.017
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
DDC:
624
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