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Precalcination method with production of pure or easily purified CO2 originating from the decomposition of carbonates

Authors: Abanades García, Juan Carlos;

Precalcination method with production of pure or easily purified CO2 originating from the decomposition of carbonates

Abstract

El método propuesto consiste en el sobrecalentamiento de un corriente del material de tipo calcinado (normalmente CaO) a una temperatura sobre la temperatura de calcinación y circular este corriente sobrecalentado del material de tipo calcinado al calciner, donde el calor de la liberación de los sólidos. Este calciner es también suministrado con el corriente del material de tipo ser calcinado (CaC03 normalmente precalentado), de modo que el calor liberado por el corriente caliente del CaO dé lugar a la descomposición del CaC03 suministrado al CO2 y al CaO. Una porción del CaO que deja del calciner es el producto calcinado y los restos son reciclados para sobrecalient en un combustor. El CO2 generado en la etapa de calcinación se obtiene en forma pura o fácilmente purificada y es por lo tanto capaz del ser utilizado o almacenado.

The method proposed consists in superheating a stream of calcined material (normally CaO) to a temperature above the calcination temperature and circulating this superheated stream of calcined material to the calciner, where the solids release heat. This calciner is also supplied with the stream of material to be calcined (normally preheated CaCO3), so that the heat released by the hot CaO stream gives rise to decomposition of the supplied CaCO3 to CO2 and CaO. A portion of the CaO leaving the calciner is the calcined product and the remainder is recycled for superheating in a combustor. The CO2 generated in the calcining stage is obtained in pure or easily purified form and is therefore capable of being used or stored.

Fecha de solicitud: 14-01-2009.- Titular: Consejo Superior de Investigaciones Científicas (CSIC)

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selected citations
These citations are derived from selected sources.
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.
BIP!Impulse provided by BIP!
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