Research Article

Synthesis of Porous Octahedral ZnO/CuO Composites from Zn/Cu-Based MOF-199 and Their Applications in Visible-Light-Driven Photocatalytic Degradation of Dyes

Table 2

Determination coefficients of the proposed model in the linear form and apparent rate coefficients.

Initial MB concentration (mg·L−1) (proposed model)Apparent rate coefficient, (mg·L−1·min−1) (pseudo-first-order kinetic model)Pseudo-rate constant (min−1)

50.9191.11380.83030.0721
100.9681.02190.88320.0532
150.9780.89090.91460.0447
200.9880.56290.88160.0367
250.9880.44170.96300.0179
300.9860.32130.93300.0132