Research Article
Correlation between the Photocatalytic Degradability of PAHs over Pt/TiO2-SiO2 in Water and Their Quantitative Molecular Structure
Table 1
Physicochemical properties of NP, FL, PHE, PYR, BaP, and DahA [
32,
33].
| | PAHs | Chemical structures | Mr | Molecular formula | CAS number | Solubility (mmol L−1) | | Vapor pressure 25°C (Pa) | (amt m3 mol−1) |
| | NP | | 128 | C10H8 | 91-20-3 | 2.4 × 10−1 | 3.37 | 10.9 | 4.5 × 10−3 |
| | FL | | 166 | C13H10 | 86-73-7 | 1.2 × 10−2 | 4.18 | 8.81 × 10−2 | 7.4 × 10−5 |
| | PHE | | 178 | C14H10 | 85-01-8 | 7.2 × 10−3 | 4.45 | 1.6 × 10−2 | 2.7 × 10−4 |
| | PYR | | 202 | C16H10 | 129-00-0 | 7.2 × 10−4 | 4.88 | 8.86 × 10−4 | 1.3 × 10−5 |
| | BaP | | 252 | C20H12 | 50-32-8 | 8.4 × 10−7 | 6.06 | 1.5 × 10−5 | 7.4 × 10−5 |
| | DahA | | 278 | C22H12 | 53-70-3 | (3.7 ± 1.8) × 10−10 | 6.50 | 0.8 × 10−6 | 2.0 × 10−9 |
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