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Interacciones As y Se con cenizas volantes

Authors: López Antón, María Antonia; Díaz Somoano, Mercedes; Martínez Tarazona, María Rosa;

Interacciones As y Se con cenizas volantes

Abstract

[ES] El arsénico y el selenio son elementos tóxicos presentes en el carbón en concentraciones del orden de las trazas que pueden ser emitidos al medio ambiente durante los procesos de conversión del carbón. Sin embargo, los compuestos de arsénico y selenio pueden ser retenidos en las cenizas volantes originadas en el propio proceso en distint as proporciones dependiendo de las características de las cenizas y las condiciones del proceso. Este trabajo se centra en la captura de estos elementos en cenizas volantes en una atmósfera de combustión y gasificación de carbón en reactores a escala de laboratorio.

[EN] Arsenic and selenium are toxic element s present in coal in trace concentrations that may be emitted to the environment during coal conversion processes. However, it is possible to retain volatile arsenic and selenium compounds in the fly ashes originated by the process, the proportions retained depending on the characteristics of the ashes and process conditions. This work is focused on the capture of these elements in fly ashes in simulated coal combustion and gasification atmospheres in laboratory scale reactors.

Este trabajo fue financiado por la Comunidad Europea (ECSC Proyectos 7220-ED/069 y 722- ED/095).

Peer reviewed

Country
Spain
Related Organizations
Keywords

Selenium, Selenio, Coal, Cenicas volantes, Carbón, Fly ashes, Arsenic, Arsénico

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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.
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influence
This indicator 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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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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