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J Environ Sci (China)

Title:		"Synergetic PM(2.5) and O(3) control strategy for the Yangtze River Delta, China"
Author(s):		Dong Z; Xing J; Zhang F; Wang S; Ding D; Wang H; Huang C; Zheng H; Jiang Y; Hao J;
Address:		"State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China; State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex, Beijing 100084, China. State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China; State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex, Beijing 100084, China. Electronic address: shxwang@tsinghua.edu.cn. State Environmental Protection Key Laboratory of the Formation and Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental Sciences, Shanghai 200233, China"
Journal Title:		J Environ Sci (China)
Year:		2023
Volume:		20220414
Issue:
Page Number:		281 - 291
DOI:		10.1016/j.jes.2022.04.008
ISSN/ISBN:		1001-0742 (Print) 1001-0742 (Linking)
Abstract:		"PM(2.5) concentrations have dramatically reduced in key regions of China during the period 2013-2017, while O(3) has increased. Hence there is an urgent demand to develop a synergetic regional PM(2.5) and O(3) control strategy. This study develops an emission-to-concentration response surface model and proposes a synergetic pathway for PM(2.5) and O(3) control in the Yangtze River Delta (YRD) based on the framework of the Air Benefit and Cost and Attainment Assessment System (ABaCAS). Results suggest that the regional emissions of NOx, SO(2), NH(3), VOCs (volatile organic compounds) and primary PM(2.5) should be reduced by 18%, 23%, 14%, 17% and 33% compared with 2017 to achieve 25% and 5% decreases of PM(2.5) and O(3) in 2025, and that the emission reduction ratios will need to be 50%, 26%, 28%, 28% and 55% to attain the National Ambient Air Quality Standard. To effectively reduce the O(3) pollution in the central and eastern YRD, VOCs controls need to be strengthened to reduce O(3) by 5%, and then NOx reduction should be accelerated for air quality attainment. Meanwhile, control of primary PM(2.5) emissions shall be prioritized to address the severe PM(2.5) pollution in the northern YRD. For most cities in the YRD, the VOCs emission reduction ratio should be higher than that for NOx in Spring and Autumn. NOx control should be increased in summer rather than winter when a strong VOC-limited regime occurs. Besides, regarding the emission control of industrial processes, on-road vehicle and residential sources shall be prioritized and the joint control area should be enlarged to include Shandong, Jiangxi and Hubei Province for effective O(3) control"
Keywords:		*Air Pollutants/analysis Particulate Matter/analysis Rivers *Ozone/analysis Environmental Monitoring/methods *Air Pollution/prevention & control/analysis China Cost-benefit analysis O(3) Pm(2.5) Response surface model Synergistic control pathway;
Notes:		"MedlineDong, Zhaoxin Xing, Jia Zhang, Fenfen Wang, Shuxiao Ding, Dian Wang, Hongli Huang, Cheng Zheng, Haotian Jiang, Yueqi Hao, Jiming eng Netherlands 2022/12/16 J Environ Sci (China). 2023 Jan; 123:281-291. doi: 10.1016/j.jes.2022.04.008. Epub 2022 Apr 14"