The Influence of Chlorine on the Migration Behavior of Alkali Metal during Biomass and Coal Co-Combustion

Abstract:

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Rice straw and Tiefa coal were used as experimental materials. Under the conditions of different temperatures and Cl/K molar ratio, the experiment was performed by using co-firing devices and ion measure instruments (flame photometer and a visible spectrophotometer). The results reveal that the majority of alkali metals and chlorine are released to gas phase by the precipitation of alkali chloride and HCl(g) above 700°C. Alkali metals release increase with the raising of chlorine content in raw materials. Alkali metals release related to sulfur, silicon and aluminum etc.

Info:

Periodical:

Edited by:

Zhu Zhilin & Patrick Wang

Pages:

335-338

DOI:

10.4028/www.scientific.net/AMM.40-41.335

Citation:

T. H. Yang et al., "The Influence of Chlorine on the Migration Behavior of Alkali Metal during Biomass and Coal Co-Combustion", Applied Mechanics and Materials, Vols. 40-41, pp. 335-338, 2011

Online since:

November 2010

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Price:

$35.00

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