MECHANISTIC ASPECTS OF PHOTOCATALYTIC ACTIVITY OF METALLOPORPHYRIN-TITANIUM MIXTURES IN MICROEMULSIONS

Química Nova

Núñez, Oswaldo¹  Madriz, Lorean¹  Carrero, Hermes¹  Simón Bolívar University, Caracas, Venezuela¹  Herrera, Julio¹  Vargas, Ronald¹ 

关键词:  titanium (IV) citrate;    porphyrin;    microemulsion;    photocatalysis;    4-chlorophenol;   

DOI  :  10.21577/0100-4042.20160140

学科分类：化学（综合）

来源: Sociedade Brasileira de Quimica

【 摘 要 】

Photocatalytic activity of titanium citrate and its water-in-oil microemulsions mix with zinc (II) tetraphenylporphyrin have been studied by means of adding 4-chlorophenol and following its degradation using artificial ultraviolet and visible light. 4-Chlorophenol is degraded in 71 and 86%, respectively, in 30 min with the generation of various intermediaries, whose possible formation mechanisms have been proposed based in the results of this research. The generation of benzene derivatives, different to those usually reported for this type of treatment, suggests the possibility of controlling the generation of intermediaries by simply changing the type of surfactant. In the case discussed here, we have derived a simple method for isomer generation of trimethylbenzene using a model organohalogenated compound as water contaminant and cetyltrimethylammonium bromide as surfactant.

【 授权许可】

Unknown