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Air pollutant emissions and mitigation potential through the adoption of semi-coke coals and improved heating stoves: Field evaluation of a pilot intervention program in rural China

机译:通过采用半焦煤和改进的加热炉来减少和释放空气污染物:在中国农村试点干预计划的现场评估

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摘要

Pollutant emissions from incomplete combustion of raw coal in low-efficiency residential heating stoves greatly contribute to winter haze in China. Semi-coke coals and improved heating stoves are expected to lower air pollutant emissions and are vigorously promoted by the Chinese government in many national and local plans. In this study, the thermal performance and air pollutant emissions from semi-coke combustion in improved heating stoves were measured in a pilot rural county and compared to the baseline of burning raw coal to quantify the mitigation potential of air pollutant emissions. A total of five stove-fuel combinations were tested, and 27 samples from 27 different volunteered households were obtained. The heating efficiency of improved stoves increased, but fuel consumption appeared higher with more useful energy output compared to traditional stoves. The emission factors of PM2,5, SO2, and CO2 of semi-coke burning in specified improved stoves were lower than the baseline of burning raw coal chunk, but no significant NOx and CO decreases were observed. The total amount of PM2,5 and SO2 emissions per household in one heating season was lower, but CO, CO2, and NOx increased when semi coke coal and specified improved stoves were deployed. Most differences were not statistically significant due to the limited samples and large variation, indicating that further evaluation would be needed to make conclusions that could be considered for policy. (C) 2018 Elsevier Ltd. All rights reserved.
机译:低效住宅采暖炉中原煤燃烧不完全所产生的污染物排放极大地加剧了中国的冬季雾霾。半焦煤和改进的加热炉有望降低空气污染物的排放,并由中国政府在许多国家和地方计划中大力推广。在这项研究中,在一个试点农村县中,对改进的取暖炉中半焦燃烧产生的热性能和空气污染物排放进行了测量,并将其与燃烧原煤的基准进行比较,以量化缓解空气污染物排放的潜力。共测试了五种火炉燃料组合,并从27个不同的自愿家庭中获得了27个样本。改进后的灶具的加热效率有所提高,但是与传统灶具相比,燃油消耗更高,并且具有更多有用的能量输出。在指定的改进型灶具中,半焦燃烧的PM2、5,SO2和CO2排放因子低于燃烧原煤块的基准,但未观察到明显的NOx和CO降低。在一个供暖季节,每个家庭的PM2,5和SO2排放总量较低,但是当使用半焦煤和指定的改进型火炉时,CO,CO2和NOx会增加。由于样本有限且差异很大,大多数差异在统计上并不显着,这表明需要进一步评估以得出可考虑用于政策的结论。 (C)2018 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Environmental Pollution》 |2018年第9期|661-669|共9页
  • 作者单位

    Beijing Univ Chem Technol, Coll Chem Engn, Biomass Energy & Environm Engn Res Ctr, Beijing 100029, Peoples R China;

    Beijing Univ Chem Technol, Coll Chem Engn, Biomass Energy & Environm Engn Res Ctr, Beijing 100029, Peoples R China;

    Beijing Univ Chem Technol, Coll Chem Engn, Biomass Energy & Environm Engn Res Ctr, Beijing 100029, Peoples R China;

    Beijing Univ Chem Technol, Coll Chem Engn, Biomass Energy & Environm Engn Res Ctr, Beijing 100029, Peoples R China;

    Beijing Univ Chem Technol, Coll Chem Engn, Biomass Energy & Environm Engn Res Ctr, Beijing 100029, Peoples R China;

    Beijing Univ Chem Technol, Coll Chem Engn, Biomass Energy & Environm Engn Res Ctr, Beijing 100029, Peoples R China;

    Beijing Univ Chem Technol, Coll Chem Engn, Biomass Energy & Environm Engn Res Ctr, Beijing 100029, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Field measurement; Domestic heating stoves; Semi-coke coal; Air pollutant emissions; Emission factor;

    机译:现场测量家用取暖炉半焦煤大气污染物排放排放因子;
  • 入库时间 2022-08-17 13:25:55

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