Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 627, Issue -, Pages 633-646Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scitotenv.2018.01.269
Keywords
Domestic coal combustion; Power plant; Heat supply station; Chemical composition; Source apportionment; SPAMS
Categories
Funding
- National Key R&D Program of China [2016YFC0208501]
- Fundamental Research Funds for the Central Universities, Special Funds for Research on Public Welfares of the Ministry of Environmental Protection of China [201509020]
- Fundamental Research Funds for the Central Universities
- Tianjin Science and Technology Project [16YFZCSF00260]
- Tianjin Natural Science Foundationa [17JCYBJC23000]
- Tianjin Natural Science Foundation [16JCQNJC08700]
Ask authors/readers for more resources
In this study, samples of three typical coal combustion source types, including Domestic bulk coal combustion (DBCC), Heat supply station (HSS), and Power plant (PP) were sampled and large sets of their mass spectra were obtained and analyzed by SPAMS during winter in a megacity in China. A primary goal of this study involves determining representative size-resolved single particle mass spectral signatures of three source types that can be used in source apportionment activities. Chemical types describe the majority of the particles of each source type were extracted by ART-2a algorithm with distinct size characteristics, and the corresponding tracer signals were identified. Mass spectral signatures from three source types were different from each other, and the tracer signals were effective in distinguishing different source types. A high size-resolution source apportionment method were proposed in this study through matching sources' mass spectral signatures to particle spectra in a twelve days ambient sampling to source apportion the particles. Contributions of three source types got different size characteristics, as HSS source got higher contribution in smaller sizes, But PP source got higher contributions as size increased. Source contributions were also quantified during two typical haze episodes, and results indicated that HSS source (for central-heating) and DBCC source (for domestic heating and cooking) may contribute evidently to pollution formation. (C) 2018 Published by Elsevier B.V.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available