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

Environmental Pollution
Yafei LiuGuangqing Liu

Abstract

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 st...Continue Reading

Citations

Dec 26, 2019·Environmental Science and Pollution Research International·Xiaopeng GuoCunbin Li
Oct 21, 2020·The Science of the Total Environment·Montaser MahmoudAbdul-Ghani Olabi
Feb 2, 2021·The Science of the Total Environment·Wei DuShu Tao
Apr 5, 2021·Environmental Pollution·Prabin ShresthaGuangqing Liu
May 26, 2021·The Science of the Total Environment·Fei XieChangwei Lü
Nov 23, 2021··Waterman Sulistyana Bargawa, Harry H. Syahputra

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