Table 1 AHP weights of criteria for the appraisal of bench-scale photocatalytic techniques.
Criteria | Sub-criteria | Weights | BNP | Ranking | ||
|---|---|---|---|---|---|---|
L | M | U | ||||
Efficiency | Degradation efficiency | 0.078 | 0.134 | 0.202 | 0.132 | 2 |
Mineralization efficiency | 0.0545 | 0.100 | 0.164 | 0.099 | 6 | |
Cost | Material cost | 0.073 | 0.123 | 0.188 | 0.122 | 4 |
Equipment cost | 0.043 | 0.080 | 0.134 | 0.079 | 9 | |
Availability | – | 0.109 | 0.150 | 0.199 | 0.150 | 1 |
Photocatalyst reusability | – | 0.0595 | 0.082 | 0.115 | 0.083 | 7 |
Energy consumption | – | 0.084 | 0.119 | 0.167 | 0.120 | 5 |
Safety | Safety for personnel | 0.051 | 0.082 | 0.124 | 0.081 | 8 |
Safety for the environment | 0.085 | 0.130 | 0.182 | 0.127 | 3 | |