Table 6.
PM and SVOC emission rates, SOF and TEQs with and without a DOC + DPF.
| After-treatment | Fuel | Engine condition | PM (mg/kWh) | SOF (unitless) | Σ15PAH (ng/kWh) | Σ11NPAH (ng/kWh) | Σ5Hopane (ng/kWh) | Σ6Sterane (ng/kWh) | TEQBAP (ng/kWh) |
|---|---|---|---|---|---|---|---|---|---|
| None | 1500 rpm, 600 kPa | 32.9 ± 1.3 | 0.43 ± 0.02 | 546 ± 111 | 47 ± 9 | 1.5 ± 0.3 | 243 ± 8 | 118 ± 13 | |
| w/DOC + DPF | ULSD | 1500 rpm, 600 kPa | 0.1 ± 0.0 | 1.0 ± 0.0 | 1.5 ± 0.2 | 0.034 ± 0.004 | ND | 0.1 ± 0.0 | 0.04 ± 0.02 |
| DOC + DPF regen | 1500 rpm, 500 kPa | 5.7 | 0.9 | 3.2 | 0.12 | 0.1 | 0.2 | 0.2 |
ND: not detected.