Evolution of emission characteristics and species of industrial VOCs emission in Pearl River Delta Region, 2010~2017 [珠三角2010~2017年主要工业源VOCs排放结构与组分变化]

作者：Huang H.-W.; Sha Q.-E.; Zhu M.-N.; Wang Y.-Z.; Lu M.-H.; Zhang X.-C.; Tang M.-S.; Huang Z.-J.; Shi B.-W.; Bai L.; Huang J.-R.; Yan M.; Zheng J.-Y.

来源：China Environmental Science, 2020, 40(11): 4641-4651.

• Emission trends
• Industrial emission
• Pearl River Delta region
• Species structure
• VOCs source profiles

The industrial source is one of the major contributors to volatile organic compounds (VOCs) emission, which are the crucial precursors to ozone (O3) and aerosols. Due to several VOC emission control policies enacted in recent years, the industrial VOC emission structure in the Pearl River Delta region (PRD) might have changed greatly. In this study, a long-term industrial VOC emission inventory in the PRD region during 2010~2017 was developed. Based on a time-dependent speciated profile database, the industrial VOC emission inventory was disaggregated into species by sub-sector. The change of industrial VOC emission structure and its cause were also discussed. VOC emissions from industrial sources in the PRD region increased from 380kt in 2010 to 410kt in 2013 but then decreased to 320kt in 2017 due to the implementation of VOCs emission control measures, such as promoting the use of water-based coatings and the installment of exhaust treatment facilities. As a result, emission contributions of metal surface coating industry, furniture manufacturing industry and rubber and plastic products industry, which were dominated by aromatic hydrocarbons, also declined to some extent. The aromatic species of industrial VOCs emission decreased significantly, partly led to the increase of proportions of alkanes and VOCs. These results were informative to develop robust control measures to further control VOC emission in the PRD region.

• 单位
  暨南大学; 华南理工大学