Simayi Maimaiti, Shi Yuqi, Xi Ziyan, Ren Jie, Hini Gulbanu, Xie Shaodong
College of Environmental Sciences and Engineering, State Key Joint Laboratory of Environmental Simulation and Pollution Control, Peking University, Beijing 100871, PR China; College of Resources and Environment, Xinjiang Agricultural University, Urumqi 830052, PR China.
College of Environmental Sciences and Engineering, State Key Joint Laboratory of Environmental Simulation and Pollution Control, Peking University, Beijing 100871, PR China.
Sci Total Environ. 2022 Jun 20;826:153994. doi: 10.1016/j.scitotenv.2022.153994. Epub 2022 Feb 25.
Spatiotemporal change patterns of China's industrial VOCs emissions were explored in response to integrated air quality control policies during 2013-2019, and future emissions predicted under the two different scenarios targeting 2030. China's industrial VOCs emissions were decreased to 15.72 Tg in 2019, of which chemical industry, industrial painting, petroleum industry, coal-coking industry, and other industries respectively accounted for 31.0%, 23.9%, 15.6%, and 13.0%, 16.3%, after peaking at 16.40 Tg in 2016. VOC emissions from the petroleum industry and industrial painting showed a continuous increase, with emissions increasing by 0.46 Tg and 0.71 Tg. VOC emissions from the chemical industries increased by 0.91 Tg during 2013-2016 and decreased by 0.72 Tg during 2016-2019. Industrial VOCs emissions in the Beijing-Tianjin-Hebei, Shandong Peninsula, and Central Plain in 2019 respectively reduced by 12.0%, 3.2%, and 8.7% compared to 2013 due to stringent control measures and closure/relocation of highly polluting enterprises. By contrast, industrial VOCs emissions in the West Coast of the Strait and the Central Guizhou increased by 38.1% and 31.8% during 2013-2019. In summary, China's industrial high VOCs emission areas were shifting from key areas to its surrounding areas, resulting in little change in total VOCs emissions. The coal-coking industry, architectural painting, petroleum refining, and pharmaceutical industry will have the most considerable reduction responsibility to reduce VOCs emissions in the future. Guangdong, Jiangsu, Shandong, and Zhejiang will share the highest reduction responsibility, accounting for approximately 40% of national emission reduction.
为应对2013 - 2019年综合空气质量控制政策，探究了中国工业挥发性有机物（VOCs）排放的时空变化模式，并针对2030年的两种不同情景预测了未来排放。2019年中国工业VOCs排放量降至15.72太克，其中化学工业、工业涂装、石油工业、炼焦工业和其他行业分别占31.0%、23.9%、15.6%、13.0%、16.3%，2016年排放量达到峰值16.40太克后开始下降。石油工业和工业涂装的VOC排放量持续增加，排放量分别增加了0.46太克和0.71太克。化学工业的VOC排放量在2013 - 2016年增加了0.91太克，在2016 - 2019年减少了0.72太克。由于严格的控制措施以及高污染企业的关闭/搬迁，2019年京津冀、山东半岛和中原地区的工业VOCs排放量与2013年相比分别减少了12.0%、3.2%和8.7%。相比之下，2013 - 2019年海峡西岸和贵州中部地区的工业VOCs排放量分别增加了38.1%和31.8%。总之，中国工业高VOCs排放地区正从重点区域向周边地区转移，导致VOCs排放总量变化不大。炼焦工业、建筑涂装、石油炼制和制药行业未来在减少VOCs排放方面将承担最大的减排责任。广东、江苏、山东和浙江将承担最高的减排责任，约占全国减排量的40%。
