The Research of Source and Composition of Dust Haze in Chengdu and its Control Countermeasures

Abstract:

In this thesis, on the basis of detailed survey and actual measurement of the emissions of fine particulate matters (PM2.5) and PM2.5 precursors (SO₂, NOx and VOC) in Chengdu City, the source composition of PM2.5 in the atmospheric air of Chengdu City is simulated by taking the mode of Community Multiscale Air Quality (CMAQ); meanwhile, with reference to the source analysis results of the other units, the key objects of dust haze (PM2.5) pollution, namely fugitive dust, industrial pollution sources and motor vehicle exhaust, can be controlled. Therefore, four main measures for controlling the dust haze (PM2.5) pollution are put forward: the first is to deeply control the particulate matters emitted by the industrial enterprises and install the desulfurization and denitrification devices to reduce the emissions of PM2.5 primary particulate matters and precursors; the second is to reduce the emissions of motor vehicle exhaust, nitrogen oxides and VOC; the third is to strengthen the control of fugitive dust; and the fourth is to implement joint prevention and joint control system among the cities.

• Periodical: Advanced Materials Research (Volumes 726-731)
• Pages: 2066-2073
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.726-731.2066
• Online since: August 2013
• Authors: Wen Yong Wang*, Gao Ping Fu
• Keywords: Dust Haze, PM2.5, Pollution Control Countermeasures

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