Enhanced Photocatalytic Degradation and Mineralization of Furfural Using UVC/TiO₂/GAC Composite in Aqueous Solution

Table 2

The cyclic photocatalytic performance of TiO₂/GAC composite for furfural degradation with furfural concentration = 500 mg/L, initial pH = 10, photocatalyst dosage = 2.5 g/L, and irradiation time of 80 min.

Number of cyclic usage	Degradation efficiency %
First cycle	95.2
Second cycle	94.6
Third cycle	94.2
Fourth cycle	93.4