Abstract

The photooxidation of polycyclic aromatic hydrocarbons (PAHs) was investigated in an aqueous ethanolic solution irradiated with a medium-pressure mercury lamp in laboratory photoreactors equipped with a quartz immersion well. Degradation photolysis of fluorene was more efficient than sensitized photolytic oxidation in the presence of TiO 2 suspensions. Photolysis kinetics was dependent on molecular weight and the presence and type of substituents. During the photolytic degradation of fluorene and its derivatives, 9-fluorenone and its corresponding derivatives, which were more resistant to photolysis, were formed.

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