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Emission characteristics of volatile organic compounds from coal-, coal gangue-, and biomass-fired power plants in China
Abstract Face the large electricity demand, thermal power generation still derives the main way of electricity supply in China, account for 78.19% of total electricity production in 2013. Three types of thermal power plants, including coal-fired power plant, coal gangue-fired power plant and biomass-fired power plant, were chosen to survey the source profile, chemical reactivity and emission factor of VOCs during the thermal power generation. The most abundant compounds generated during coal- and coal gangue-fired power generation were 1-Butene, Styrene, n-Hexane and Ethylene, while biomass-fired power generation were Propene, 1-Butenen, Ethyne and Ethylene. The ratios of B/T during thermal power generation in this study was 0.8–2.6, which could be consider as the characteristics of coal and biomass burning. The field tested VOCs emission factor from coal-, coal gangue- and biomass-fired power plant was determined to be 0.88, 0.38 and 3.49 g/GJ, or showed as 0.023, 0.005 and 0.057 g/kg, with the amount of VOCs emission was 44.07, 0.08, 0.45 Gg in 2013, respectively. The statistical results of previous emission inventory, which calculated the VOCs emission used previous emission factor, may overestimate the emission amount of VOCs from thermal power generation in China.
Highlights Coal-, coal gangue- and biomass-fired power plant, were chosen to survey the source profile and emission factor of VOCs. B/T ratios (0.8–2.6) during thermal power generation could be consider as the characteristics of coal and biomass burning. VOCs emission factor of coal- and biomass-fired power generation was 0.88 and 3.49 g/GJ, or showed as 0.023 and 0.057 g/kg. Previous VOCs emission inventory may overestimate the emission amount from thermal power generation in China.
Emission characteristics of volatile organic compounds from coal-, coal gangue-, and biomass-fired power plants in China
Abstract Face the large electricity demand, thermal power generation still derives the main way of electricity supply in China, account for 78.19% of total electricity production in 2013. Three types of thermal power plants, including coal-fired power plant, coal gangue-fired power plant and biomass-fired power plant, were chosen to survey the source profile, chemical reactivity and emission factor of VOCs during the thermal power generation. The most abundant compounds generated during coal- and coal gangue-fired power generation were 1-Butene, Styrene, n-Hexane and Ethylene, while biomass-fired power generation were Propene, 1-Butenen, Ethyne and Ethylene. The ratios of B/T during thermal power generation in this study was 0.8–2.6, which could be consider as the characteristics of coal and biomass burning. The field tested VOCs emission factor from coal-, coal gangue- and biomass-fired power plant was determined to be 0.88, 0.38 and 3.49 g/GJ, or showed as 0.023, 0.005 and 0.057 g/kg, with the amount of VOCs emission was 44.07, 0.08, 0.45 Gg in 2013, respectively. The statistical results of previous emission inventory, which calculated the VOCs emission used previous emission factor, may overestimate the emission amount of VOCs from thermal power generation in China.
Highlights Coal-, coal gangue- and biomass-fired power plant, were chosen to survey the source profile and emission factor of VOCs. B/T ratios (0.8–2.6) during thermal power generation could be consider as the characteristics of coal and biomass burning. VOCs emission factor of coal- and biomass-fired power generation was 0.88 and 3.49 g/GJ, or showed as 0.023 and 0.057 g/kg. Previous VOCs emission inventory may overestimate the emission amount from thermal power generation in China.
Emission characteristics of volatile organic compounds from coal-, coal gangue-, and biomass-fired power plants in China
Yan, Yulong (author) / Yang, Chao (author) / Peng, Lin (author) / Li, Rumei (author) / Bai, Huiling (author)
Atmospheric Environment ; 143 ; 261-269
2016-08-18
9 pages
Article (Journal)
Electronic Resource
English
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