The priority weights of attributes and categories obtained by AHP
| Goal | Categories | Weights | Attributes | Weights |
|---|---|---|---|---|
| C′1 economic category | 0.6371 | C11 capital cost | 0.6371 | |
| Prioritizing attributes and categories | C12 O&M cost | 0.1052 | ||
| C13 land area | 0.2581 | |||
| C′2 technical category | 0.2581 | C24 removal efficiency of nitrous and phosphorous pollutants | 0.2271 | |
| C25 sludge disposal effect | 0.1904 | |||
| C26 stability of plant operation | 0.2483 | |||
| C27 maturity of technology | 0.3345 | |||
| C′3 administrative category | 0.1052 | C38 professional skills required for operation and maintenance | 1 |
| Goal | Categories | Weights | Attributes | Weights |
|---|---|---|---|---|
| 0.6371 | 0.6371 | |||
| Prioritizing attributes and categories | 0.1052 | |||
| 0.2581 | ||||
| 0.2581 | 0.2271 | |||
| 0.1904 | ||||
| 0.2483 | ||||
| 0.3345 | ||||
| 0.1052 | 1 |
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