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Open AccessArticle

Carbonaceous Aerosol Emitted from Biofuel Household Stove Combustion in South China

1
School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510000, China
2
Beckhan Guangzhou Environmental Protection Technology Co., Ltd., Guangzhou 510000, China
3
Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Guangzhou 510000, China
4
Guangzhou Institute of Geochemistry, Chinese Academy of Science, Guangzhou 510000, China
5
South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou 510000, China
6
School of Agriculture and Environment, Massey University, Palmerston North 4442, New Zealand
7
Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu 30013, Taiwan
*
Authors to whom correspondence should be addressed.
Current Address: California Air Resources Board, El Monte, CA 91731, USA.
Atmosphere 2020, 11(1), 112; https://doi.org/10.3390/atmos11010112
Received: 6 December 2019 / Accepted: 6 January 2020 / Published: 17 January 2020
(This article belongs to the Special Issue Ambient Aerosol Measurements in Different Environments)
Near-source measurements of smoke emissions from household stove combustion in a rural area of South China were conducted with 7 typical biomass fuels. Particulate matter samples (both PM10 and PM2.5) were analyzed for their carbonaceous components, including organic and elemental carbon (OC, EC) as well as levoglucosan (molecular tracer of biomass burning), employing thermal-optical and GC-MS analysis. The OC and EC content in PM2.5 and PM10 smoke particles derived from the various types of vegetation showed different patterns with the smallest values observed for straw type fuels. The OC/EC ratios in PM2.5 and PM10 showed an order of straw > hardwood > bamboo > softwood. Mass concentrations of particulate matter emitted from rice straw burning were highest with 12.23 ± 0.87 mg/m3 (PM10) and 9.31 ± 0.81 mg/m3 (PM2.5), while the mass ratios (LG/PM and OC/PM) were lowest among the 7 fuels, indicating that particle emissions from straw burning were higher than those from woody fuels, using similar burning conditions. The levoglucosan emission ratios were rather high and this single most abundant organic species was mainly present in the fine particle mode. Linear correlation analysis showed a strong relationship between levoglucosan and EC emissions. View Full-Text
Keywords: biomass burning; PM2.5; organic carbon; levoglucosan; emission ratios biomass burning; PM2.5; organic carbon; levoglucosan; emission ratios
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Sang-Arlt, X.; Fu, H.; Zhang, Y.; Ding, X.; Wang, X.; Zhou, Y.; Zou, L.; Zellmer, G.F.; Engling, G. Carbonaceous Aerosol Emitted from Biofuel Household Stove Combustion in South China. Atmosphere 2020, 11, 112.

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