Organic pollutant removal from marine diesel engine off-gases under electron beam and hybrid electron beam and wet scrubbing process
, , , e | 25 nov 2021
INFORMAZIONI SU QUESTO ARTICOLO
Article Category: Original Paper
Pubblicato online: 25 nov 2021
Pagine: 193 - 199
Ricevuto: 28 ott 2020
Accettato: 14 dic 2020
DOI: https://doi.org/10.2478/nuka-2021-0028
Parole chiave
© 2021 Yongxia Sun et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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Fig. 5
List of the organic compounds eluting at different RT of the GC-MS spectrums presented in Fig. 5
| RT (min) | Compound name | Ship emission | After EB | After EB with wet scrubber |
|---|---|---|---|---|
| 2.184 | 2,2-Dimethoxypropane, C5H12O2, (CH3O)2-C-(CH3)2 | + | − | − |
| 3.817 | Toluene, C7H8 | + | + | + |
| 27.001 | Methyl octanoate, C7H15COOCH3 | + | − | − |
| 31.208 | Octanoic acid, C7H15COOH | + | + | − |
List of removal efficiency of organic compounds after EB and EB with wet-scrubber process
| Compound | Ship emission | Removal efficiency (after EB) | Removal efficiency (after EB with wet scrubber) | PEL [ |
|---|---|---|---|---|
| Toluene | 1.04 mg/m3 | 70.8% (0.304 mg/m3) | 83.2% (0.175 mg/m3) | 37 |
| Nitropropanone, C3H5NO3, CH3COCH2NO2 | + | 100% | 100% | |
| 1-Butene, 3-nitro-, C4H7NO2, CH2=CHCH(CH3)NO2 | + | 100% | 100% | |
| Methyl butyrate, C5H10O2, C3H7COOCH3 | + | 100% | 100% | |
| Chlorotoluene, C7H7Cl | + | 100% | 100% | 250 |
| Butoxyethoxyethyl acetate, C10H20O4 | + | 89.7% | 100% | |
| Dodecane, C12H26 | 30.63 μg/m3(0.004 ppm) | 79.59% (6.25 μg/m3) | 100% | |
| Pentadecane, C15H32 | 10.13 μg/m3 | 100% | 100% | |
| Hexadecane, C16H34 | 57.96 μg/m3(0.006 ppm) | 54.71% (26.25 μg/m3) | 97.79% (1.28 μg/m3, 0.13 ppb) | |
| Heptadecane, C17H34 | 10.72 μg/m3 | 100% | 100% | |
| Octadecane, C18H38 | 38.05 μg/m3(0.003 ppm) | 48.57% (19.57 μg/m3) | 92.01% (3.04 μg/m3, 0.24 ppb) | |
| Hexadecane, 2,6,10,14-tetramethyl-, C20H42 | + | 100% | 100% | |
| n-Eicosane, C20H42 | 9.60 μg/m3 | 100% | 100% | |
| Hexadecanoic acid, methyl ester, C17H34O2 | + | 100% | 100% | |
| Dibutyl phthalate, C16H22O4, C6H4(COOC4H9)2 | + | 7.50% | 86.3% | 5 |
| Heneicosane, C21H44 | 13.31 μg/m3 | 100% | 100% | |
| Octadecanoic acid, methyl ester, C19H38O2 | + | 100% | 100% | |
| 2,2-Dimethoxypropane, (CH3O)2-C-(CH3)2 | + | 100% | 100% | |
| Methyl octanoate, C7H15COOCH3 | + | 100% | 100% | |
| Octanoic acid, C7H15COOH | + | 57.8% | 100% |
List of organic compounds eluting at different RT of the GC-MS spectrums presented in Fig. 4
| RT (min) | Compound | Ship emission | After EB | After EB with wet scrubber |
|---|---|---|---|---|
| 3.833 | Toluene | + | + | + |
| 7.142 | Nitropropanone, C3H5NO3, CH3COCH2NO2 | + | − | − |
| 7.442 | 1-Butene, 3-nitro-, C4H7NO2, CH2=CHCH(CH3)NO2 | + | − | − |
| 11.042 | Methyl butyrate, C5H10O2, C3H7COOCH3 | + | − | − |
| 12.700 | Chlorotoluene, C7H7Cl | + | − | − |
| 36.156 | Butoxyethoxyethyl acetate, C10H20O4, CH3COO(C2H4O)2C4H9 | + | + | − |
| 37.039 | Dodecane, C12H26 | + | + | − |
| 39.798 | Pentadecane, C15H32 | + | − | − |
| 42.351 | Hexadecane, C16H34 | + | + | + |
| 44.739 | Heptadecane, C17H34 | + | − | − |
| 47.004 | Octadecane, C18H38 | + | + | + |
| 47.212 | Hexadecane, 2,6,10,14-tetramethyl-, C20H42 | + | − | − |
| 49.152 | n-Eicosane, C20H42 | + | − | − |
| 49.717 | Hexadecanoic acid, methyl ester, C17H34O2 | + | − | − |
| 50.519 | Dibutyl phthalate, C16H22O4, C6H4(COOC4H9)2 | + | + | + |
| 51.208 | Heneicosane, C21H44 | + | − | − |
| 53.701 | Octadecanoic acid, methyl ester, C19H38O2 | + | − | − |