Table 1. Langmuir-Hinshelwood adsorption equilibrium constant (KLH) and rate constant for surface reaction (kc) values of BTEX obtained when individual BTEX molecules were photocatalytically treated using supported zinc oxide nanorods under visible light irradiation.
| Chemical | kc | KLH |
|---|---|---|
| (mg.L−1.min−1) | (L.mg−1) | |
| Benzene | 0.189 | 0.1373 |
| Toluene | 1.109 | 0.0205 |
| Ethylbenzene | 0.339 | 0.0891 |
| Xylene | 0.706 | 0.0304 |