Characteristics of PM and PAHs emitted from a coal-fired boiler and the efficiencies of its air pollution control devices

Chen, Tang-Wei; Chen, Jyh-Cherng; Liu, Zhen-Shu; Chi, Kai-Hsien; Chang, Moo Been

doi:10.1080/10962247.2021.1994483

Cited by 11 publications

(3 citation statements)

References 41 publications

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“…The results show that the emission factors of FPM, FPM2.5 and CPM at 30% loading are 2.1 ± 0.1, 1.5 ± 0.1, and 677 ± 5 g ton -1 , and are 14.3 ± 0.1, 7.8 ± 0.1, and 847 ± 5 g ton -1 at 80% loading, respectively. It indicates that the emission factor of CPM is much higher than that of FPM, which is consistent with those reported by Chen et al (2022). Emission factors of NOx and SOx for 30% loading are 1,590 and 4,610 g ton -1 , respectively, and for 80% loading are 3,070 and 4,920 g ton -1 , respectively.…”

Section: Emission Factors Of Pollutantssupporting

confidence: 90%

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Characteristics of PM and PAHs Emitted from Oil-fired Process

Chang,

Trinh,

Lien

et al. 2024

Aerosol Air Qual. Res.

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Sampling and analysis of NOx, SO2, filterable particulate matter (FPM), FPM2.5, condensable particulate matter (CPM), and polycyclic aromatic hydrocarbons (PAHs) emitted from an oil-fired boiler equipped with efficiency of electrostatic precipitator (ESP) as air pollution control devices (APCDs) were conducted. Moreover, the emission characteristics of these pollutants were also evaluated at two loadings, i.e., low (30%) and high (80%) capacities. The results show that the NO concentration (90 ppm) emitted from the oil-fired boiler at low loading was lower than that of the high loading (176 ppm) while SO2 concentrations are close under two loading conditions. In terms of particulate matter, the concentrations of FPM, FPM2.5, and CPM measured in the stack at low loading were 0.2, 0.1, and 51.2 mg Nm -3 , respectively. As the boiler loading was increased from 30% to 80%, the concentrations of FPM, FPM2.5, and CPM increased to 1.1, 0.6, and 65.0 mg Nm -3 , respectively. The total concentrations of PAHs in high loading and low loading oil-fired boilers were 28.3 and 24.4 µg Nm -3 , respectively, and the contribution of gas-phase PAHs to the total PAHs was higher than 90%. Regarding the distribution of PAHs species, Nap is the dominant congener of the oil-fired boiler while BcFE is the major contributor for toxic equivalent concentrations. In addition, air pollutant emission factors reported in literatures were compiled and compared those obtained in this study. The results show that the emission factors of PAHs and FPM obtained for this oil-fired boilers are lower than the values measured in other studies.

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Section: Emission Factors Of Pollutantssupporting

confidence: 90%

“…Comparison of FPM2.5 and CPM emitted from different sources Chen et al, 2022. affecting the removal efficiency of PM achieved with the ESP(Kim et al, 2012).…”

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confidence: 99%

Characteristics of PM and PAHs Emitted from Oil-fired Process

Chang,

Trinh,

Lien

et al. 2024

Aerosol Air Qual. Res.

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“…1. TSP samples were collected in the surroundings of significant potential sources for PAHs and nitro-PAHs including metal recycling plants, petrochemical industries, and major roads, according to U.S. EPA, Method 23A, 1996 with XAD-2, GF7 (Chen et al, 2022). Specifically, samples were collected in the Fall and winter seasons.…”

Section: Samplingmentioning

confidence: 99%

Spatial Variations in PAHs and Nitro-PAHs Bound to Total Suspended Solids in Urban Locations in Taiwan

Kung,

Huang,

Mutuku

et al. 2024

Aerosol Air Qual. Res.

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The concentration of 16 PAHs and 13 nitro-PAHs bound to total suspended particles were evaluated in outdoor environments in three cluster study locations in the western side of Taiwan. Samples were collected based on U.S. EPA, Method 23A, 1996 with XAD-2, GF7. Analysis was performed using a gas chromatograph tandem mass spectrometer (GC-MS/MS) Agilent 7890A GC, USA, equipped with a ZB-EPA-EU 30 m × 0.25 mm × 0.20 µm, column (Agilent, J&W, USA), coupled to Waters Xevo TQ-S (Waters, UK). The concentrations of PAHs and nitro-PAHs bound to TSP increased southward, whereby the mean ∑TSP-bound PAHs were 723.2 pg m -3 , 1633 pg m -3 and 1810 pg m -3 , while ∑TSP-bound nitro-PAHs were 50 pg m -3 , 107 pg m -3 , and 209 pg m -3 , for the study area A in Tainan, B in north Kaohsiung, and C, in south Kaohsiung, respectively. Diagnostic ratios indicate the dominance of combustion processes, especially from diesel engines, in the emission of PAHs and nitro-PAHs compared to petrogenic emissions. The improved understanding gained from this investigation provides a valuable springboard for probing the role of PAHs and nitro-PAHs in diseases of unclear etiology in urban areas.

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The effect of air pollution control devices in coal-fired power plants on the removal of condensable and filterable particulate matter

Liu

et al. 2023

Environ Sci Pollut Res

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Characteristics of PM and PAHs emitted from a coal-fired boiler and the efficiencies of its air pollution control devices

Cited by 11 publications

References 41 publications

Characteristics of PM and PAHs Emitted from Oil-fired Process

Characteristics of PM and PAHs Emitted from Oil-fired Process

Spatial Variations in PAHs and Nitro-PAHs Bound to Total Suspended Solids in Urban Locations in Taiwan

The effect of air pollution control devices in coal-fired power plants on the removal of condensable and filterable particulate matter

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