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Reducción de las emisiones de azufre de un horno túnel

Authors: Monfort, E.; Gomar, S.; Celades, I.;

Reducción de las emisiones de azufre de un horno túnel

Abstract

En el trabajo presentado se ha estudiado la emisión de azufre de un horno túnel dedicado a la cocción de ladrillos que utiliza coque de petróleo como combustible. El análisis de emisiones ha permitido determinar que los contaminantes más críticos para cumplir los requisitos medioambientales son los óxidos de azufre. El trabajo se ha realizado en dos fases. En la primera se ha realizado un balance de azufre al horno, y se han estudiado las transformaciones físico-químicas de los compuestos de azufre, observándose que existe una importante adsorción de compuestos de azufre en el material procesado, que reduce las emisiones de SO2, aunque de forma insuficiente para cumplir con el valor límite de emisión establecido legalmente, si no se modifican las materias primas y/o el combustible. Por ello en una segunda fase se ha estudiado la aplicación de un sistema de depuración de las emisiones de SO2 basado en el uso de hidróxido de calcio como reactivo y de un filtro de mangas como separador gas-sólido. Estos sistemas presentan una eficiencia muy variable (entre el 10 y el 80%) para la depuración de los óxidos de azufre, en función del diseño y de las condiciones de operación. En el caso estudiado se ha alcanzado un rendimiento del orden del 75%.

Peer reviewed

Keywords

ladrillos, Emisiones atmosféricas

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selected citations
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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).
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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.
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