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作者:

Zhou, Ying (Zhou, Ying.) | Huang, Dawei (Huang, Dawei.) | Lang, Jianlei (Lang, Jianlei.) | Zi, Teng (Zi, Teng.) | Chen, Dongsheng (Chen, Dongsheng.) | Zhang, Yuying (Zhang, Yuying.) | Li, Shengyue (Li, Shengyue.) | Jiao, Yufang (Jiao, Yufang.) | Cheng, Shuiyuan (Cheng, Shuiyuan.)

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摘要:

Rural residential coal combustion (RRCC) has detrimental effects on air quality, climate, and human health. There are large uncertainties regarding emissions from RRCC owing to the lack of consideration of several key factors (e.g. combination modes of coal and stoves, combustion modes, and high temporal resolution). In this study, we provided a new estimation framework for RRCC emissions through a case study in the Beijing-Tianjin-Hebei (BTH) region, China. The emission estimations were improved according to four aspects, namely (1) coal-specific and stove-specific coal consumption was calculated based on face-to-face field interviews of 6700 valid volunteers/households covering 288 villages in 50 counties; (2) the influences of combustion modes (flaming and smoldering modes) on emissions were considered; (3) emissions of different fuel- stove combinations were estimated based on coal, stove, and combustion mode-specific RRCC consumption and localised emission factors; and (4) a method for emission estimation with high temporal resolution (1 h) was developed. The results indicated that RRCC emitted 413.6 kt SO2, 55.7 kt NOx, 5717.3 kt CO, 149.4 kt VOCs, 167.1 kt PM2.5, 18.2 kt EC, 32.5 kt OC, and 8.2 kt NH3 in 2016. The combination of bituminous coal and an advanced coal stove was the most significant contributor (20.7-71.8%) to various pollutant emissions. Coal combusted under the flaming mode contributed to most (81.9%) of the total coal consumption, and thus emitted the majority (50.8-99.8%) of pollutants, except for VOCs. Meanwhile, that under the smoldering mode only accounted for 18.1% of the total consumption, but contributed 49.2% and 74.7% of the CO and VOCs emissions, respectively. Two clear emission peaks occurred at approximately 7:00-9:00 and 18:00-20:00. The detailed coal consumption and emissions with high temporal and spatial resolution can provide sound data for further research on rural environmental issues and scientific support to pollution control strategies. (C) 2020 Elsevier Ltd. All rights reserved.

关键词:

Emission factors Rural coal emissions Coal-stove combination Advanced coal stove Combustion modes

作者机构:

  • [ 1 ] [Zhou, Ying]Beijing Univ Technol, Coll Environm & Energy Engn, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 2 ] [Huang, Dawei]Beijing Univ Technol, Coll Environm & Energy Engn, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 3 ] [Lang, Jianlei]Beijing Univ Technol, Coll Environm & Energy Engn, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 4 ] [Zi, Teng]Beijing Univ Technol, Coll Environm & Energy Engn, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 5 ] [Chen, Dongsheng]Beijing Univ Technol, Coll Environm & Energy Engn, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 6 ] [Zhang, Yuying]Beijing Univ Technol, Coll Environm & Energy Engn, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 7 ] [Li, Shengyue]Beijing Univ Technol, Coll Environm & Energy Engn, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 8 ] [Jiao, Yufang]Beijing Univ Technol, Coll Environm & Energy Engn, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 9 ] [Cheng, Shuiyuan]Beijing Univ Technol, Coll Environm & Energy Engn, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China

通讯作者信息:

  • [Zhou, Ying]Beijing Univ Technol, Coll Environm & Energy Engn, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China

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来源 :

ENVIRONMENTAL POLLUTION

ISSN: 0269-7491

年份: 2021

卷: 272

8 . 9 0 0

JCR@2022

ESI学科: ENVIRONMENT/ECOLOGY;

ESI高被引阀值:94

JCR分区:1

被引次数:

WoS核心集被引频次: 4

SCOPUS被引频次: 27

ESI高被引论文在榜: 0 展开所有

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