Table 2: The , pore volume, band gap, removal ration, initial rate constant , yield, and thermal stability of CN-T, CN-D, CN-M, and CN-U.

Samples (m2/g)Pore volume (cm3/g)Band gap (eV)Removal ratio (%)k (min−1)Yield (g)Thermal stability (°C)

CN-T23 0.142.5129.6 0.3101.46<550°C
CN-D18 0.092.5822.20.0793.73<563°C
CN-M140.062.5626.80.2985.32<575°C
CN-U1530.402.8831.90.3840.12<530°C