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Emissions of non-methane hydrocarbons and typical volatile organic compounds from various grate-firing coal furnaces
Liang, Bin1; Bai, Haolong2; Bai, Dingrong2; Liu, Xinhua1
2022-04-01
Source PublicationATMOSPHERIC POLLUTION RESEARCH
ISSN1309-1042
Volume13Issue:4Pages:9
AbstractNon-methane hydrocarbons (NMHCs) and volatile organic compounds (VOCs) emitted from grate-firing coal furnaces cause serious harmful impacts on the atmospheric environment and human health. To investigate the effects of coal type and grate-firing mode on the emissions of NMHCs and VOCs, four different coal fuels (i.e., bituminous coal (BC), bituminous briquette (BB), anthracite briquette (AB) and semi-coke (SC)) were burnt in three typical grate-firing modes (i.e., updraft mode (UDM), downdraft mode (DDM) and cross-draft mode (CDM)). Offline GC-MS (Gas Chromatography-Mass Spectrometry) analyses show that the mass of benzene and toluene accounts for more than 60% of the total amount of quantifiable benzenoid compounds under the smoldering condition, and up to almost 100% under the flaming condition. The BB burnt in the CDM produces lower NMHCs and VOCs than in the other two modes and the SC burnt in the three modes yields the lowest NMHCs and VOCs among the four coal fuels, as further clarified by online FTIR (Fourier-Transform Infrared spectroscopy) measurements. Combustion mode was found to have a prominent impact on the NMHCs and VOCs emissions in household coal stoves. The NMHCs emission factor determined by the GC-MS measurements under the flaming and smoldering stages is inversely proportional to combustion efficiency. The average VOCs emission factor calculated from the FTIR measuring data inversely varies with combustion efficiency too.
KeywordCombustion Grate-firing Coal type Volatile organic compounds Non-methane hydrocarbons
DOI10.1016/j.apr.2022.101380
Language英语
WOS KeywordPOLYCYCLIC AROMATIC-HYDROCARBONS ; DECOUPLING COMBUSTION ; AIR-POLLUTION ; HOUSEHOLD COAL ; BIOMASS ; STOVES ; REDUCTION ; CHINA ; GAS ; EVOLUTION
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences, China[XDA07080400]
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences, China
WOS IDWOS:000778801800006
PublisherTURKISH NATL COMMITTEE AIR POLLUTION RES & CONTROL-TUNCAP
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/52552
Collection中国科学院过程工程研究所
Corresponding AuthorLiu, Xinhua
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Shenyang Univ Chem Technol, Shenyang 110142, Peoples R China
Recommended Citation
GB/T 7714
Liang, Bin,Bai, Haolong,Bai, Dingrong,et al. Emissions of non-methane hydrocarbons and typical volatile organic compounds from various grate-firing coal furnaces[J]. ATMOSPHERIC POLLUTION RESEARCH,2022,13(4):9.
APA Liang, Bin,Bai, Haolong,Bai, Dingrong,&Liu, Xinhua.(2022).Emissions of non-methane hydrocarbons and typical volatile organic compounds from various grate-firing coal furnaces.ATMOSPHERIC POLLUTION RESEARCH,13(4),9.
MLA Liang, Bin,et al."Emissions of non-methane hydrocarbons and typical volatile organic compounds from various grate-firing coal furnaces".ATMOSPHERIC POLLUTION RESEARCH 13.4(2022):9.
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