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Indoor emissions of carbonaceous aerosol and other air pollutants from household fuel burning in Southwest China

Involverte CICERO-forskere

Kristin Aunan Senior Researcher
Hefeng Zhang, Tong Zhu, Shuxiao Wang, Jiming Hao, Heidi Elizabeth Staff Mestl, Line Winther Hansen Alnes, Kristin Aunan, Zeqin Dong, Liying Ma, Yu Hu, Min Zhang, Abdel Wahid Mellouki, Fahe Chai, Shulan Wang

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Field campaigns were conducted to determine indoor emissions of carbonaceous aerosols and other air pollutants from household fuel burning in southwest China. “1-h peak” concentrations of CO, PM1.0, PM2.5 and PM10 were 14.0 ppm, 200, 220, and 260 µg/m3 for wood and 10.3 ppm, 80, 110, and 180 µg/m3 for coal, respectively. Daily average levels of CO, PM1.0, PM2.5 and PM10 were 5.7 ppm, 100, 110, and 160 µg/m3 for wood and 6.0 ppm, 50, 70, and 100 µg/m3 for coal, respectively. For wood and coal, particle size distribution show a prominent Aitken mode with peaks at around 40–80 nm. Emission factors of BC and OC were 0.57 and 2.69 g/kg for wood and 0.01 and 0.31 g/kg for coal, respectively. The total BC emissions from wood and coal (anthracite) burning in China were 63.3 Gg in 2000 and 81.6 Gg in 2005, respectively.

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