Oxidation of 4-Chlorophenol by Mesoporous Titania: Effect of Surface Morphological Characteristics

Table 5

COD values of the aqueous solution before and after photocatalytic tests, adsorption, and photolysis.

Sample	COD value (mg/L)
	Initial	Final
	(0 minutes)	(180 minutes)
SR4 (photocatalysis)	47	20
SR4 (adsorption)	47	47
Degussa P-25 (photocatalysis)	47	36
Photolysis	47	47