Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/77553
Title: Anthropogenic emissions of hydrogen chloride and fine particulate chloride in China
Authors: Fu, X 
Wang, T 
Wang, S
Zhang, L
Cai, S
Xing, J
Hao, J
Issue Date: 2018
Publisher: American Chemical Society
Source: Environmental science & technology, 2018, v. 52, no. 3, p. 1644-1654 How to cite?
Journal: Environmental science & technology 
Abstract: Particulate chloride (Cl-) can be transformed to nitryl chloride (ClNO2) via heterogeneous reaction with nitrogen pentoxide (N2O5) at night. Photolysis of ClNO2 and subsequent reactions of chlorine radical with other gases can significantly affect the atmospheric photochemistry. In China, the only available integrated anthropogenic chloride emission inventory was compiled in the 1990s with low spatial resolution, which hinders assessment of impact of ClNO2 on current air quality. In this study, we developed an up-to-date and high-resolution anthropogenic inventory of hydrogen chloride (HCl) and fine particulate Cl- emissions in China for 2014 with 0.1° × 0.1° resolution. Detailed local data and county-level activity data were collected and complied. The anthropogenic emissions of HCl and fine particulate Cl- in 2014 were estimated to be 458 and 486 Gg, respectively. Biomass burning was the largest contributor, accounting for 75% of fine particulate Cl- emission and 32% of HCl emission. Northeast China and North China Plain were the largest chloride emitters. The monthly distribution varied in different regions, due to different agricultural activities and climate conditions. This work updates the chloride emission information and improves its spatial and temporal resolution, which enables better quantification of the ClNO2 production and its impact over China.
URI: http://hdl.handle.net/10397/77553
ISSN: 0013-936X
EISSN: 1520-5851
DOI: 10.1021/acs.est.7b05030
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