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Title: | Obtención de cementos belíticos de sulfoaluminatos a partir de residuos industriales |
Other Titles: | Obtaining a sulfoaluminate belite cement by industrial waste | Authors: | Elkhadiri, I.; Diouri, A.; Boukhari, A.; Puertas, Francisca; Vázquez, T. | Keywords: | Clínkeres belíticos de sulfoaluminatos Cenizas volantes Fosfoyeso Hidratación Sulfoaluminate belite clinkers Fly ash Phosphogypsum Hydratation |
Issue Date: | 30-Jun-2003 | Publisher: | Consejo Superior de Investigaciones Científicas (España) | Citation: | Materiales de Construcción 53(270): 57-70 (2003) | 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. |
Description: | 14 páginas, 6 figuras, 6 tablas. | Publisher version (URL): | http://dx.doi.org/10.3989/mc.2003.v53.i270.278 | URI: | http://hdl.handle.net/10261/25906 | DOI: | 10.3989/mc.2003.v53.i270.278 | ISSN: | 0465-2746 | E-ISSN: | 1988-3226 |
Appears in Collections: | (IETCC) Artículos |
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