Pollutants emission characteristics and emission reduction potential of crematoria flue gas in Beijing-Tianjin-Hebei region, China

ZHANG Shihao; CHEN Xi; ZHAI Xiaoman; LIU Jie; XING Xiaolin; WANG Baocheng; WANG Jun; XUE Yifeng; WANG Wei

doi:10.7524/j.issn.0254-6108.2019110602

2021 Volume 40 Issue 4

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ZHANG Shihao, CHEN Xi, ZHAI Xiaoman, LIU Jie, XING Xiaolin, WANG Baocheng, WANG Jun, XUE Yifeng, WANG Wei. Pollutants emission characteristics and emission reduction potential of crematoria flue gas in Beijing-Tianjin-Hebei region, China[J]. Environmental Chemistry, 2021, (4): 1059-1070. doi: 10.7524/j.issn.0254-6108.2019110602

Citation:

ZHANG Shihao, CHEN Xi, ZHAI Xiaoman, LIU Jie, XING Xiaolin, WANG Baocheng, WANG Jun, XUE Yifeng, WANG Wei. Pollutants emission characteristics and emission reduction potential of crematoria flue gas in Beijing-Tianjin-Hebei region, China[J]. Environmental Chemistry, 2021, (4): 1059-1070. doi: 10.7524/j.issn.0254-6108.2019110602

Pollutants emission characteristics and emission reduction potential of crematoria flue gas in Beijing-Tianjin-Hebei region, China

1. College of Resource Environment and Tourism, Capital Normal University, Beijing, 100048, China;
2. Key Laboratory of Pollution Control of Ministry of Civil Affairs, 101 Institute of Ministry of Civil Affairs, Beijing, 100070, China;
3. National Engineering Research Center of Urban Environmental Pollution Control, Beijing Municipal Research Institute of Environmental Protection, Beijing, 100037, China;
4. Beijing Municipal Solid Waste and Chemical Management Center, Beijing, 100089, China

Corresponding authors: XUE Yifeng, xueyifeng@cee.cn ; WANG Wei, wangwei67626@126.com
Received Date: 06/11/2019

Fund Project: Supported by the National Natural Science Foundation of China (21806012), Beijing Outstanding Talent Training Program (2017000021733G105) and Fundmental Research Funds in the Central Public Research Institutes (118011000000150004).

Abstract

There is a large population and high number of death in the Beijing-Tianjin-Hebei (BTH) region, therefore the amount of cremation and the incineration of sacrificial offerings is also high. Due to the loose pollution control in crematoria, the surrounding environment and human health were affected by the pollutants emitted from crematoria. To further explore the characteristics of pollution emissions from the BTH crematoria, this study carried out on-site emission monitoring of 19 cremators and 6 incinerators of sacrificial offerings in 19 crematoria in this region. The concentrations and chemical components of PM_2.5 and volatile organic compounds (VOCs) and the emission levels of other gaseous pollutants from crematoria flue gas were obtained. The emission factors of air pollutants were calculated. Based on the activity level data, the emission inventory of atmospheric pollutants from the crematoria was established and its emission reduction potential was analyzed. Results showed that:(1) The average emission concentrations of TSP, CO and NO_x from the crematoria in the BTH were seriously exceeding the national standard limits. Flue gas purification devices had significant effect on the removal of pollutants. (2) PM_2.5/TSP=0.73 indicated that fine particles accounted for a large proportion in the flue gas of cremator; the concentration of organic matter (OC) was high and accounted for 25.3% in PM_2.5. (3) The concentrations of benzene and benzene series, olefins, alkane were high in VOCs, accounting for 88.7%, which might pose health risks to exposed populations. (4) According to the emission inventory, the emissions of TSP, PM₁₀, PM_2.5 and CO in the BTH crematoria in 2016 decreased by 47.8%, 47.8%, 47.9% and 26.1% respectively compared with those for 2007. The proportion of installation purification devices for crematorium was low in the BTH region and it was common that flue gas discharged directly into atmosphere which had considerable potential of emission reduction.
- corpse cremation,
- incineration of sacrificial offerings,
- air pollutants,
- emission characteristics,
- reduction potential,
- Beijing-Tianjin-Hebei

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Pollutants emission characteristics and emission reduction potential of crematoria flue gas in Beijing-Tianjin-Hebei region, China

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