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Current status and prediction of major atmospheric emissions from coal-fired power plants.pdf

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Current status and prediction of major atmospheric emissions from coal-fired power plants

lable at ScienceDirect Atmospheric Environment 124 (2016) 46e52Contents lists avaiAtmospheric Environment journal homepage: www.elsevier .com/locate/atmosenvCurrent status and prediction of major atmospheric emissions from coal-fired power plants in Shandong Province, China Tianqi Xiong, Wei Jiang*, Weidong Gao School of Resources and Environment, University of Jinan, Jinan 250022, Chinah i g h l i g h t s An emission inventory of coal-fired power plants in Shandong is updated to reflect 2012 data. SO2, NOx, PM2.5 and Hg are included in the targeted air pollutant emissions. The major contributors of coal-fired emissions in Shandong are analyzed. The future emissions are projected up until 2030 with three emission scenarios. Efficiency should be improved through technological progress and strict regulation.a r t i c l e i n f o Article history: Received 17 June 2015 Received in revised form 30 October 2015 Accepted 2 November 2015 Available online 6 November 2015 Keywords: Coal-fired power plant Emission inventory Scenario analysis Shandong Province* Corresponding author. E-mail address: stu_Jiangw@ (W. Jiang) /10.1016/j.atmosenv.2015.11.002 1352-2310/? 2015 Elsevier Ltd. All rights reserved.a b s t r a c t Shandong is considered to be the top provincial emitter of air pollutants in China due to its large con- sumption of coal in the power sector and its dense distribution of coal-fired plants. To explore the at- mospheric emissions of the coal-fired power sector in Shandong, an updated emission inventory of coal- fired power plants for the year 2012 in Shandong was developed. The inventory is based on the following parameters: coal quality, unit capacity and unit starting year, plant location, boiler type and control technologies. The total SO2, NOx, fine particulate matter (PM2.5) and mercury (Hg) emissions are esti- mated at 705.93 kt, 754.30 kt, 63.99 kt and 10.19 kt, respectively. Larger units have cleaner emissions than smaller ones. The coal-fired uni