Research Article
Optimal Hierarchical Decision-Making for Heat Source Selection of District Heating Systems
Table 8
The annual pollutant emissions of alternatives.
| | Items | Oil-fired boiler
(g/m2) | Gas-fired boiler
(g/m2) | Coal-fired
boiler (g/m2) | Ground source
heat pump (g/m2) | Water source
heat pump (g/m2) |
| | 11.97 | 7.85 | 40.54 | 2.18 | 1.854 | | SO2 | 13.10 | 7.914 | 12.34 | 3.84 | 3.264 | | CO | 0.361 | 0.016 | 1.974 | 0.0236 | 0.0206 | | CO2 | 4159.38 | 2695.65 | 2810.13 | 570.31 | 484.76 | | Others | 1.87 | 2.2886 | 5.097 | 0.529 | 0.449 |
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