Artículo
Development of fly ash-based geopolymers using powder sodium silicate activator
Autor/es | Luna Galiano, Yolanda
Leiva Fernández, Carlos Arroyo Torralvo, Fátima Villegas Sánchez, Rosario Vilches Arenas, Luis Francisco Fernández Pereira, Constantino |
Departamento | Universidad de Sevilla. Departamento de Ingeniería Química y Ambiental |
Fecha de publicación | 2022-08 |
Fecha de depósito | 2023-12-13 |
Publicado en |
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Resumen | Geopolymer manufacturing by means a ready-mix procedure using powder sodium silicate as activator is
described in this paper. Its characteristics are compared with conventional geopolymers using aqueous sodium
silicate. ... Geopolymer manufacturing by means a ready-mix procedure using powder sodium silicate as activator is described in this paper. Its characteristics are compared with conventional geopolymers using aqueous sodium silicate. Degree of reaction, mercury intrusion porosity and compressive strength were measured at different curing times. Three durability tests were carried out. The geopolymer obtained using powder activator showed slightly lower mechanical properties and better durability results than those found for geopolymers based on aqueous activators. In addition, the manufacture of geopolymers based on powder silicate was easier and simpler than the more common procedure using sodium silicate solutions, so the ready-mix manufacturing could be an alternative to produce geopolymers. |
Agencias financiadoras | Junta de Andalucía |
Identificador del proyecto | US.20-14 |
Cita | Luna Galiano, Y., Leiva Fernández, C., Arroyo Torralvo, F., Villegas Sánchez, R., Vilches Arenas, L.F. y Fernández Pereira, C. (2022). Development of fly ash-based geopolymers using powder sodium silicate activator. Materials Letters, 320, 132346. https://doi.org/10.1016/j.matlet.2022.132346. |
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