Table 1. Background of Power Plants and the Mass Concentration of OC and EC in PMsa.
| |
stack
conditions |
emission characteristics |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| load | filtration technology |
RH | T | dust emissions | number | OC, μg/m3 |
EC, μg/m3 |
||||||||
| boiler type and code | MW | denitration | dust remover | desulfuration | dust remover | % | K | mg/m3 | dN/d log Dp | PM1.0 | PM2.5 | PM10 | PM1.0 | PM2.5 | PM10 |
| ULPCB-01 | 600 | SCR | ESPs + BFs | WFGD | WESP | 13.9 | 348 | 2.1 | 1.06 × 105 | 2.01 | 15.28 | 17.9 | 0.19 | 0.83 | 0.93 |
| ULPCB-02 | 330 | SCR | ESPs + BFs | WFGD | WESP | 9.7 | 372 | 4.5 | 1.19 × 105 | 1.04 | 6.31 | 11.6 | 0.09 | 0.75 | 0.83 |
| ULCFB-01 | 330 | SCR | BFs | quick lime | 3.1 | 440 | 3.2 | 1.97 × 105 | 2.58 | 8.32 | 16.8 | 0.15 | 0.41 | 0.57 | |
| ULCFB-02 | 60 | SNCR | ESPs | quick lime | 6.3 | 427 | 4.2 | 3.69 × 105 | 1.24 | 4.58 | 5.64 | 0.14 | 1.06 | 1.85 | |
a
SCR: selective catalytic reduction; SNCR: selective noncatalytic reduction; and BF: bag filter.