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handle: 10261/4145
[EN] The environmental and human health related with harmful industrial waste is nowadays an issue of worldwide great concern. Particularly the case of galvanic solid waste, because of its high content in heavy metals, it is highly harmful from both environmental and human health point of view. In this study, glasses containing up to 40 wt% of galvanic waste with a high content of chromium and nickel were obtained. The chemical stability of these glasses was studied by hydrolytic, alkaline and acid attack. Finally the different glasses were studied by X-ray diffraction, X-ray fluorescence and infrared spectroscopy techniques in order to rationalize and to understand its observed chemical stability.
[ES] La eliminación de los residuos industriales tóxicos, es en la actualidad un objetivo prioritario a nivel mundial. Para el caso particular de los residuos sólidos galvánicos, su alto contenido en metales pesados resulta perjudicial tanto para la salud como para el medio ambiente. En este trabajo se han obtenido vídrios con un 40% en peso de residuos galvánicos de alto contenido en cromo y níquel. La estabilidad química de los vídrios obtenidos fue comprobada mediante ensayos de resistencia al ataque hidrolítico, ácido y alcalino. Finalmente, los diferentes vídrios fueron caracterizados por diferentes técnicas difración de rayos-X, fluorescencia de rayos-X, espectrometría infrarroja.
Peer reviewed
Galvanic waste, Silicate glass and inertization process, Silicate glass, Clay industries. Ceramics. Glass, inertization process, Procesos de inertizatión, Vídrio silicatos, TP785-869, Vídrio silicates, procesos de inertizatión, Lama galvánica
Galvanic waste, Silicate glass and inertization process, Silicate glass, Clay industries. Ceramics. Glass, inertization process, Procesos de inertizatión, Vídrio silicatos, TP785-869, Vídrio silicates, procesos de inertizatión, Lama galvánica
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