| Abstrakt: |
In order to investigate particulate matter (PM) emission characteristics from the combustion of commercial biomass pellet, a fixed-bed reactor was used to conduct combustion experiments of wood dust, cotton stalk and bamboo dust. The particle size distributions and main element composition of PM were analyzed. And the influence of element content on PM emission was discussed. It was found that the yields of PM10 from high to low was cotton stalk, wood dust and bamboo dust, and the yields were 27. 76, 20. 83 and 9. 65 mg/ m3, respectively. The PMs were mainly composed of submicron particles (PM1 ), and the proportion of PM1 to PM10 was more than 90%. PM1 was mainly composed of alkali metal chloride and sulfide, while PM1-10 was mainly composed of compounds formed by calcium magnesium silicate. Correlation analysis showed that there was a positive correlated between biomass ash content and PM1 yield, while the content of Mg+Ca and n (Mg+Ca) / n (Si) were linearly correlated with PM1-10 yield. [ABSTRACT FROM AUTHOR] |
