Data for wastewater treatment technology selection
| Alternatives | ||||||
|---|---|---|---|---|---|---|
| Goal | Categories | Attributes | 1 | 2 | 3 | 4 |
| C′1 economic category | C11 capital cost (×104 RMB) | 13,762 | 12,080 | 12,375 | 11,870 | |
| C12 O&M cost (×104 RMB) | 7,612 | 8,747 | 8,126 | 8,233 | ||
| C13 land area (×104 m2) | 9.88 | 11.78 | 11.93 | 9 | ||
| Wastewater treatment technology selection | C′2 technical category | C24 removal efficiency of nitrous and phosphorous pollutants | G (0.7) | M (0.5) | E (0.9) | M (0.5) |
| C25 sludge disposal effect | P (0.3) | G (0.7) | G (0.7) | P (0.3) | ||
| C26 stability of plant operation | G (0.7) | E (0.9) | E (0.9) | G (0.7) | ||
| C27 maturity of technology | E (0.9) | G (0.7) | G (0.7) | P (0.3) | ||
| C′3 administrative category | C38 professional skills required for operation and maintenance | M (0.5) | E (0.9) | G (0.7) | M (0.5) | |
| Alternatives | ||||||
|---|---|---|---|---|---|---|
| Goal | Categories | Attributes | 1 | 2 | 3 | 4 |
| 13,762 | 12,080 | 12,375 | 11,870 | |||
| 7,612 | 8,747 | 8,126 | 8,233 | |||
| 9.88 | 11.78 | 11.93 | 9 | |||
| Wastewater treatment technology selection | G (0.7) | M (0.5) | E (0.9) | M (0.5) | ||
| P (0.3) | G (0.7) | G (0.7) | P (0.3) | |||
| G (0.7) | E (0.9) | E (0.9) | G (0.7) | |||
| E (0.9) | G (0.7) | G (0.7) | P (0.3) | |||
| M (0.5) | E (0.9) | G (0.7) | M (0.5) | |||
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