Photocatalytic Activity in Phenol Removal of Water from Graphite and Graphene Oxides: Effect of Degassing and Chemical Oxidation in the Synthesis Process

Table 3

Removal percentage of phenol in water by absorption test using GEO-2-55 and GEO-2-65 and in the photolysis test.

Absorption for 2 h
Absorbent	Removal percentage
GEO-2-55 (100 mg)	0%
GEO-2-55 (200 mg)	1%
GEO-2-65 (100 mg)	0%
GEO-2-65 (200 mg)	0%
Photolysis (UV-254 nm) for 2 h
Phenol solution	Removal percentage
100 ppm	7%