Experimental Research on Mechanism of Alkali Metal Enrichment and Prevention for Biomass CFB Gasification

Lei Zhe Chu; Xiao Xu Fan; Li Guo Yang; Xiao Jun Wu

doi:10.4028/www.scientific.net/AMR.347-353.2493

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 347-353Experimental Research on Mechanism of Alkali Metal...

Experimental Research on Mechanism of Alkali Metal Enrichment and Prevention for Biomass CFB Gasification

Abstract:

Because of quite a certain content of alkali metal in biomass, bed material agglomeration appears in the process of thermal reaction in fluidized bed, which can destroy fluidization. In the paper, fluidized bed gasification experiments on alkali metal enrichment were made, of which cotton straw pellets were used as fuel. The results are shown that experiments could keep running by bed material replaced at regular time without slag and the component of the bed material maintained stability. The replaced bed material could be used again after being washed. Through the XRF analysis, it could be found that the potassium compound with high dissolubility could be removed by washing.

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Periodical:

Advanced Materials Research (Volumes 347-353)

Pages:

2493-2496

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.347-353.2493

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Online since:

October 2011

Authors:

Lei Zhe Chu, Xiao Xu Fan, Li Guo Yang, Xiao Jun Wu

Keywords:

Agglomeration Prevention, Alkali Metal, Biomass, Fluidized Gasification

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