Experimental Study on Direct Biomass Reburning Denitrification

Hong Bo Lu; Ze Hui Wang; Hui Yu Dai

doi:10.4028/www.scientific.net/AMR.424-425.1297

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 424-425Experimental Study on Direct Biomass Reburning...

Experimental Study on Direct Biomass Reburning Denitrification

Abstract:

The performances of two species of biomass reburning processes and the effect of operating parameters on NO_X removal efficiency were studied using the reburning boiler burner simulator facility. The results of the study show that there is an optimal range of denitrification for direct reburning condition in reburning reaction temperature, the stoichiometric ratio(SR),the reburning ratio, article size of biomass, the concentration of NO_X in the main combustion zone. The smaller the particle size of biomass, NO_X removal effect is more obvious. The best biomass denitration temperature range is 950-1050 °C and the stoichiometric ratio has a best value in different experimental conditions. When reburning ratio is in the range of 10% -15%, the particle size has greater impact on the rate of denitrification. It is beneficial for NO_X removal when NO_X concentration in the main combustion zone is greater than 200ppm.

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Periodical:

Advanced Materials Research (Volumes 424-425)

Pages:

1297-1300

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.424-425.1297

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Online since:

January 2012

Authors:

Hong Bo Lu, Ze Hui Wang, Hui Yu Dai

Keywords:

Biomass, Denitrification, Reburning, Working Parameters

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