Table 4 Analysis of pollutant emissions of bulk curing barn with different types of biomass combustion equipment.
From: Analysis of curing effect of bulk curing barns with different types of biomass combustion equipment
Measuredtemperature point | Detection item | Treatment | ||||
|---|---|---|---|---|---|---|
T1 | T2 | T3 | T4 | T5 | ||
36 °C | Combustion efficiency (%) | 83.78 ± 2.37b | 80.39 ± 1.99c | 85.44 ± 1.93b | 93.44 ± 0.77a | 90.44 ± 0.94a |
Particulate matter (mg/m3) | 17.56 ± 0.91b | 19.09 ± 0.41a | 16.90 ± 0.87b | 11.89 ± 1.22d | 13.90 ± 0.46c | |
SO2 (mg/m3) | 14.55 ± 1.24ab | 16.09 ± 1.51a | 13.78 ± 0.43b | 10.45 ± 1.13c | 11.45 ± 0.54c | |
NOX (mg/m3) | 198.76 ± 2.70b | 220.98 ± 1.41a | 187.56 ± 2.00c | 151.76 ± 1.01e | 161.06 ± 1.44d | |
CO (mg/m3) | 0.01 ± 0.00a | 0.03 ± a0.03 | 0.01 ± 0.00a | 0.01 ± 0.00a | 0.01 ± 0.00a | |
38 °C | Combustion efficiency (%) | 85.92 ± 0.57b | 81.58 ± 1.44c | 87.37 ± 1.17b | 90.16 ± 0.54a | 91.37 ± 0.71a |
Particulate matter (mg/m3) | 18.43 ± 0.59ab | 20.78 ± 2.83a | 17.35 ± 0.99b | 12.15 ± 1.13c | 14.35 ± 1.47c | |
SO2 (mg/m3) | 15.98 ± 1.59ab | 16.89 ± 0.48a | 14.19 ± 1.49bc | 12.17 ± 1.39c | 13.17 ± 1.61c | |
NOX (mg/m3) | 210.89 ± 3.52b | 229.23 ± 1.06a | 196.56 ± 2.26c | 185.23 ± 1.33d | 188.23 ± 1.42d | |
CO (mg/m3) | 0.08 ± 0.01b | 0.13 ± 0.02a | 0.04 ± 0.03c | 0.02 ± 0.00c | 0.03 ± 0.00c | |
40 °C | Combustion efficiency (%) | 86.32 ± 0.10c | 82.41 ± 0.97d | 89.24 ± 0.62b | 90.71 ± 0.06b | 92.35 ± 0.33a |
Particulate matter (mg/m3) | 19.72 ± 0.12a | 22.15 ± 2.30a | 20.20 ± 1.22a | 16.00 ± 0.43b | 16.96 ± 1.43b | |
SO2 (mg/m3) | 17.41 ± 0.71ab | 18.52 ± 1.12a | 16.19 ± 1.22bc | 15.65 ± 0.78bc | 14.67 ± 1.01c | |
NOX (mg/m3) | 214.18 ± 4.28b | 232.66 ± 5.13a | 202.83 ± 4.39c | 187.78 ± 1.44d | 192.50 ± 3.84d | |
CO (mg/m3) | 0.10 ± 0.00b | 0.14 ± 0.01a | 0.07 ± 0.01c | 0.03 ± 0.00e | 0.05 ± 0.01d | |
42 °C | Combustion efficiency (%) | 87.34 ± 1.77b | 83.25 ± 1.35c | 90.87 ± 1.37a | 92.32 ± 1.19a | 90.32 ± 2.55ab |
Particulate matter (mg/m3) | 22.87 ± 1.07ab | 24.45 ± 1.10a | 21.44 ± 0.77b | 17.26 ± 1.56c | 19.24 ± 1.10c | |
SO2 (mg/m3) | 18.01 ± 0.33ab | 20.32 ± 0.93a | 17.45 ± 2.62ab | 17.31 ± 2.98ab | 16.30 ± 0.73b | |
NOX (mg/m3) | 220.17 ± 1.05b | 250.74 ± 2.09a | 210.98 ± 4.89c | 192.17 ± 1.08e | 204.12 ± 1.36d | |
CO (mg/m3) | 0.12 ± 0.02ab | 0.15 ± 0.04a | 0.10 ± 0.00b | 0.04 ± 0.00c | 0.06 ± 0.01c | |
45 °C | Combustion efficiency (%) | 90.56 ± 0.90c | 86.37 ± 0.63d | 92.78 ± 1.56bc | 95.19 ± 1.39a | 94.26 ± 1.54ab |
Particulate matter (mg/m3) | 23.02 ± 0.40b | 25.33 ± 0.89a | 22.82 ± 0.67b | 19.18 ± 0.26d | 21.08 ± 0.29c | |
SO2 (mg/m3) | 19.12 ± 0.56ab | 21.34 ± 0.56a | 17.99 ± 0.42b | 15.32 ± 2.90c | 16.69 ± 0.66bc | |
NOX (mg/m3) | 225.78 ± 2.92b | 275.33 ± 1.46a | 223.18 ± 0.61b | 211.44 ± 1.34c | 212.04 ± 3.36c | |
CO (mg/m3) | 0.15 ± 0.03ab | 0.17 ± 0.05a | 0.11 ± 0.02bc | 0.06 ± 0.01d | 0.09 ± 0.01 cd | |
48 °C | Combustion efficiency (%) | 96.33 ± 1.85a | 92.61 ± 2.91b | 98.00 ± 0.54a | 99.12 ± 0.32a | 98.19 ± 1.49a |
Particulate matter (mg/m3) | 34.78 ± 1.17ab | 36.47 ± 0.78a | 33.11 ± 1.28ab | 32.02 ± 3.49b | 34.15 ± 2.69ab | |
SO2 (mg/m3) | 29.03 ± 1.88b | 32.51 ± 0.89a | 28.90 ± 2.76b | 26.77 ± 0.62b | 27.66 ± 1.15b | |
NOX (mg/m3) | 279.12 ± 2.54b | 294.89 ± 1.48a | 278.43 ± 3.40b | 253.12 ± 2.92c | 256.13 ± 1.54c | |
CO (mg/m3) | 0.11 ± 0.02b | 0.16 ± 0.01a | 0.09 ± 0.02b | 0.06 ± 0.00c | 0.06 ± 0.00c | |
54 °C | Combustion efficiency (%) | 97.56 ± 1.40b | 94.63 ± 0.50c | 99.12 ± 0.34a | 99.69 ± 0.32a | 99.17 ± 0.85a |
Particulate matter (mg/m3) | 36.64 ± 0.50ab | 38.54 ± 0.61a | 35.01 ± 2.40ab | 29.06 ± 3.35c | 33.96 ± 1.60b | |
SO2 (mg/m3) | 32.11 ± 0.66ab | 33.23 ± 1.26a | 30.16 ± 0.49bc | 26.62 ± 1.01d | 27.88 ± 2.22 cd | |
NOX (mg/m3) | 281.36 ± 2.34c | 298.04 ± 3.09a | 287.64 ± 2.20b | 231.07 ± 2.26d | 232.14 ± 2.80d | |
CO (mg/m3) | 0.10 ± 0.03b | 0.15 ± 0.02a | 0.08 ± 0.01bc | 0.05 ± 0.00d | 0.07 ± 0.00 cd | |
60 °C | Combustion efficiency (%) | 93.09 ± 1.38bc | 90.63 ± 1.88c | 95.78 ± 1.32ab | 97.13 ± 1.12a | 96.12 ± 2.78ab |
Particulate matter (mg/m3) | 25.90 ± 1.44ab | 27.78 ± 1.55a | 24.99 ± 1.10ab | 21.11 ± 1.77c | 23.12 ± 1.50bc | |
SO2 (mg/m3) | 19.88 ± 1.83b | 22.76 ± 1.12a | 18.54 ± 0.74bc | 16.12 ± 1.53c | 17.32 ± 1.28bc | |
NOX (mg/m3) | 258.99 ± 3.14b | 288.51 ± 2.84a | 248.56 ± 2.20c | 233.06 ± 1.23e | 242.13 ± 3.25d | |
CO (mg/m3) | 0.09 ± 0.03b | 0.14 ± 0.02a | 0.07 ± 0.01b | 0.03 ± 0.01c | 0.03 ± 0.00c | |
68 °C | Combustion efficiency (%) | 94.28 ± 0.68b | 91.89 ± 1.77c | 96.54 ± 1.05a | 98.33 ± 0.94a | 97.23 ± 1.17a |
Particulate matter (mg/m3) | 26.78 ± 1.99ab | 28.99 ± 1.08a | 25.13 ± 1.25bc | 23.13 ± 1.63c | 24.23 ± 1.96bc | |
SO2 (mg/m3) | 21.03 ± 0.64b | 23.54 ± 1.38a | 19.27 ± 1.40bc | 18.11 ± 1.58c | 18.21 ± 1.30c | |
NOX (mg/m3) | 266.99 ± 1.45b | 292.10 ± 3.45a | 255.64 ± 1.59c | 245.12 ± 2.64d | 233.69 ± 1.81e | |
CO (mg/m3) | 0.10 ± 0.03a | 0.12 ± 0.02a | 0.06 ± 0.03b | 0.04 ± 0.00b | 0.04 ± 0.01b | |
