Table 4 The degradation rates (k, cm3/molecule s) for pathway A at 298 K and standard atmospheric pressure, and the Arrhenius equation at 238–357 K (gas phase)
Reaction path | k298k | Arrhenius equation |
|---|---|---|
PCB-77 + ·OH → IM5 | 6.67 × 10−12 | 5.14 × 10−13 exp (−639.12/T) |
IM5 + O2 → IM5a | 2.319 × 10−10 | 4.47 × 10−12 exp (−352.60/T) |
IM5a1 → IM5a2 + NO2 | 5.54 × 10−13 | 5.79 × 10−14 exp (−913.30/T) |
IM5a2 → IM5a4 | 8.43 × 10−8 | 5.13 × 10−9 exp (−500.20/T) |
IM5a4 + O2 → P5a2 + HO2 | 2.33 × 10−12 | 7.25 × 10−12 exp (−281.65/T) |
|  |  | Ktotal = 8.45 × 10−8 |