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Obtención de cementos belíticos de sulfoaluminatos a partir de residuos industriales

Authors: Elkhadiri, I.; Diouri, A.; Boukhari, A.; Puertas, Francisca; Vázquez, T.;

Obtención de cementos belíticos de sulfoaluminatos a partir de residuos industriales

Abstract

[ES] Los clínkeres belíticos de sulfoaluminatos se obtienen por cocción de crudos a temperaturas moderadas, hacia 1.250 ºC. Esos crudos se componen de carbonato de calcio mezclados con dos subproductos industriales: cenizas volantes pobres en óxido de calcio y fosfoyeso. Los clínkeres obtenidos se caracterizaron a través de Difracción de Rayos X (DRX), Espectroscopia Infrarroja por Transformada de Fourier (FTIR) y por la determinación de CaO libre. El comportamiento hidráulico de los cementos elaborados de los clínkeres con el 7% de yeso se estudió por DRX, Microscopía Electrónica de Barrido (SEM), FTIR y Resonancia Magnética Nuclear (RMN).

[EN] Sulfoaluminate belite clinkers by burning raw at moderate temperatures near 1250 °C were synthesized. The used mixtures were made by calcium carbonate blended to two industrial wastes: low calcium fly ash and phosphogypsum. The clinkers were characterised by X-Ray Diffraction (XRD), Infrared Spectroscopy (FTIR) and free lime. The hydraulic behaviour of the obtained cements, by adequate clinkers with 7% of added gypsum, was followed by XRD, scaning electronic microscopy (SEM), FTIR and NMR.

Los autores quieren agradccer al CSIC/CNCPRST de Marruecos la concesión del proyecto de Cooperación bilateral MA 20000008, a través del cual se ha realizado esta investigación.

14 páginas, 6 figuras, 6 tablas.

Peer reviewed

Keywords

Cenizas volantes, Hydratation, Fosfoyeso, Hidratación, Fly ash, Clínkeres belíticos de sulfoaluminatos, Phosphogypsum, Sulfoaluminate belite clinkers

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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