Recycling of residual boron muds into ceramic tiles

Zanelli, Chiara; Domı́nguez, Eduardo; Iglesias, Claudio; Conte, Sonia; Molinari, Chiara; Soldati, Roberto; Guarini, Guia; Dondi, Michele

doi:10.1016/j.bsecv.2019.01.002

Cited by 23 publications

(4 citation statements)

References 31 publications

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“…4, where it can be seen that E20 reached 0.5% water absorption at the lowest temperature, 1170 °C. It is worth mentioning that this temperature coincided with the temperature of maximum densification, above which there was the overfiring, indicating, as expected for very energetic fluxes, a very short firing temperature range [20,21]. In accordance with Fluegel's model, the expected behavior of glasses depends on the total composition of the glasses, suggesting that the interaction between the elements also play a key role in viscosity behavior [1].…”

Section: Resultsmentioning

confidence: 54%

Estimating the reduction of the firing temperature produced by the addition of energetic fluxes in porcelain tiles through the Fluegel’s model

2019

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Reducing the firing temperature and accelerating the densification process bring economic and environmental benefits. This study used Fluegel’s viscosity model, developed for glasses, to estimate the decrease of the firing temperature produced by the introduction of energetic fluxes in a porcelain body. The experimental results confirmed the prediction of the model, a 30 ºC reduction in the temperature, for the addition of wollastonite. However, for the addition of spodumene, the reduction was slightly higher than the predicted. These results suggested that Fluegel’s model may be used to estimate the effects of the introduction of energetic fluxes in porcelain tile compositions. However, the predictions should be seen as a general orientation. Among the limitations of the model were the extrapolation of limit values established by the model for the composition and, above all, the initial hypothesis that the chemical composition of the vitreous phase in porcelain tiles is constant.

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Section: Resultsmentioning

confidence: 54%

Estimating the reduction of the firing temperature produced by the addition of energetic fluxes in porcelain tiles through the Fluegel’s model

2019

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“…Mostly, it helps to minimize the energy consumption for tiles production. 5 to 6 wt.% boron mining wastes containing samples are able to reduce the sintering temperature around ~60 to 70°C [82,83].…”

Section: Tilesmentioning

confidence: 99%

Sustainable ceramics derived from solid wastes: a review

Hossain

Roy

2020

Journal of Asian Ceramic Societies

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Wastes from different manufacturing processes and energy generation unite are attributed to the ecological and health issues. Instead of land-filling, the waste can be recycled or reused to convert marketable value-added products with high ecologic and economic interest. Ceramics are attracting particularly in waste recycling perceptions. From this eco-friendly propensity, in the last two decades, an increasing number of studies have demonstrated the possibility to use alternative ingredients in the place of conventional raw materials (e.g., most common ternary clay-quartz-feldspar system) for the fabrication of ceramics. Researchers are trying to incorporate the wastes and industrial by-products like fly ash (FA), rice husk ash (RHA), blast furnace slag (BFS), sludge, glass waste, polished tile waste, eggshell and others for making different ceramics. The present review is aimed to provide an up-to-date overview of the recent wastederived ceramics including refractories, glasses, whitewares, oxide and non-oxide ceramics with the correlation of waste incorporation limits, manufacturing routes, and properties of the ceramics. The investigation reveals that ceramic industries have huge potential to utilize the wastes as substitution of the natural raw materials. The waste to value-added ceramics conversion not only solves the disposal problems but also conserves the natural resources.

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“…La reutilización de estos compuestos boratados hoy en día, es materia de amplio estudio, para múltiples aplicaciones, de esta forma Hernández et al (2019), demostraron que el ácido bórico puede formar compuestos boratados en combinación con la alúmina con adecuadas propiedades refractarias y de resistencia a la corrosión. Zanelli et al (2019) menciona la utilidad que tienen los boratos residuales cuando se incorporan como materiales reciclables, demostrando así como aprovecharlos para fabricar baldosas cerámicas para pavimentos; estos mismos boratos también pueden reutilizarse como insumos alternativos en el diseño de compuestos vítreos con superficies altamente pulidas, herméticas y de reducida capacidad de absorción, que al ser utilizados como revestimientos en mobiliario sanitario, permitan una rápida escorrentía de residuos y así se reduce la cantidad de agua para la higiene respectiva.…”

Section: Engobe Borosilicatado Como Recubrimiento Impermeable En Mobiunclassified

Engobe borosilicatado como recubrimiento impermeable en mobiliario sanitario obtenido de altas concentraciones de ácido bórico residual

Barrios

Lazo-Alarcón

2020

Inf. tecnol.

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El objetivo de este estudio es utilizar el ácido bórico residual como insumo para elaborar un esmalte vítreo altamente pulido e impermeable, es decir "baja absorción" que recubra mobiliario sanitario, permitiendo una rápida escorrentía de los residuos. Se elaboraron cuatro sub-tipos de mezcla, tres con concentraciones (10, 20 y 30% en peso) de ácido bórico respecto al total del peso del resto de insumos, y una mezcla para una muestra control sin incluir ácido bórico. Considerando como variables de estudio al "ácido bórico" y la "impermeabilidad", se validaron los resultados aplicando primeramente el modelo estadístico de un Anova unifactorial con bloques aleatorizado al azar, y luego la prueba estadística de T-Student. Los especímenes recubiertos de engobe borosilicatado con concentración del 20% en peso absorben menos agua que los demás especímenes en referencia. El estudio demuestra que es una alternativa ecologista para utilizarse en un futuro como recubrimiento altamente impermeable.

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Recycling of residual boron muds into ceramic tiles

Cited by 23 publications

References 31 publications

Estimating the reduction of the firing temperature produced by the addition of energetic fluxes in porcelain tiles through the Fluegel’s model

Estimating the reduction of the firing temperature produced by the addition of energetic fluxes in porcelain tiles through the Fluegel’s model

Sustainable ceramics derived from solid wastes: a review

Engobe borosilicatado como recubrimiento impermeable en mobiliario sanitario obtenido de altas concentraciones de ácido bórico residual

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