Present and future emissions of HAPs from crematories in China

被引:21
作者
Xue, Yifeng [1 ,2 ]
Tian, Hezhong [1 ]
Yan, Jing [2 ]
Xiong, Chengcheng [3 ]
Pan, Tao [2 ]
Nie, Lei [2 ]
Wu, Xiaoqing [2 ]
Li, Jing [2 ]
Wang, Wei [3 ]
Gao, Jiajia [1 ]
Zhu, Chuanyong [1 ]
Wang, Kun [1 ]
机构
[1] Beijing Normal Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100875, Peoples R China
[2] Beijing Municipal Res Inst Environm Protect, Natl Engn Res Ctr Urban Environm Pollut Control, Beijing 100037, Peoples R China
[3] Minist Civil Affairs, Key Lab Pollut Control, Inst 101, Beijing 100070, Peoples R China
基金
中国国家自然科学基金;
关键词
Crematory; Hazardous air pollutants; PCDD/Fs; Emission inventory; Scenario analysis; China; RIVER DELTA REGION; CATALYTIC DECOMPOSITION; AIR-POLLUTANTS; INVENTORY; PCDD/FS; DIOXINS; POLLUTION; MERCURY; TRENDS; GAS;
D O I
10.1016/j.atmosenv.2015.10.079
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
China is the most populous country in the world. The amount of death population has reached 9.65 million and 49.5% of human corpses are cremated by about 1700 crematories spread throughout the country in 2012, leading to considerable discharge of various hazardous air pollutants (HAPs) into the atmosphere and great concerns on regional air quality and health risks for surrounding residents. By using the practicable or best available emission factors, for the first time, a multiple-year emission inventory of typical hazardous air pollutants discharged from crematories in the Chinese mainland, has been established for the historical period of 1990-2012, and the future trends of HAPs emissions until 2030 are forecasted based on three scenarios analysis. Our results show that the total emissions have gradually increased to 906 t of NOx, 443 t of SO2, 2713 t of CO, 477.7 t of PM, 377 t of HCl, 36 t of H2S, 25 t of NH3, 62 t of NMVOCs, 592 kg of Hg, 48 kg of Pb, 14 kg of Cd, 53 kg of As, 40 kg of Cr, 37 kg of Cu, 51 kg of Ni, and 96 g of PCDD/Fs as TEQ (toxic equivalent quantity) by the year 2012. Under the business-as-usual (BAU) scenario, various HAPs emitted from cremators would continuously increase with an average growth rate of 3% till to 2030; whereas the emissions will peak at around 2015 and then decline gradually with varied speed under the two improved control scenarios. To mitigate the associated air pollution and health risks caused by crematories, it is of great necessary for implementing more strict emission standards, applying combustion optimization and requiring installation of best available flue gas purification system, as well as powerful supervision for sound operation of crematories. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:28 / 36
页数:9
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