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《第十五届海峡两岸气胶技术研讨会论文集》2017年
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Impact of primary and secondary air supply intensity in stove on emissions of size-segregated particulate matter and carbonaceous aerosols from apple tree wood burning

Jian Sun  Zhenxing Shen  
【摘要】:To reduce the large uncertainties in existing biomass burning aerosol emission factors(EFs) obtained from field-studies,a series of laboratory-controlled apple tree wood burning tests was conducted to measure the EFs of size-segregated particulate matter(PM) and carbonaceous aerosols.The controlled burning experiments were conducted with designed primary air(PA) and secondary air(SA) supply intensity.An optimum value of 7 m3·h-1 was found for SA,resulting the highest modified combustion efficiency(92.4 ± 2.5%) as well as the lowest EFs of PM2.5(0.13 ± 0.01 g·KJ-1),OC(0.04±0.03 g·KJ-1) and EC(0.03±0.01 g·KJ-1).SA values of 7 and 10 m3·h-1 resulted the lowest EFs for all the different PM sizes.In a test with PA of 6 m3·h-1 and SA of 7 m3·h-1,very low EFs were observed for OC1(8.2%),OC2(11.2%),indicating nearly complete combustion under this air distribution condition.

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