邻苯二甲酸二(2-乙基己基)酯(DEHP)是我国水环境中广泛存在的一种有机污染物,以其致畸性、致突变性、致癌性以及生殖毒性而引起广泛关注.以钛酸四丁酯为原料,四磺酸酞菁铜(CuPcTs)为敏化剂,采用水热法原位制备了CuPcTs/TiO2复合纳米光催化剂.在可见光照射下,用制备的CuPcTs/TiO2为催化剂对DEHP溶液进行了光催化降解实验,结果表明:在催化剂质量浓度为400 mg/L,pH为5,初始质量浓度为10 mg/L条件下,DEHP的降解率达到93.6%.%Di-(2-ethylhexyl) phthalate is a kind of organic pollutant widely existing in water environment in China. Di-(2-ethylhexyl) phthalate has been paid more attention due to its teratogenicity, nutagenicity and carcinogenicity. Tetrabutyl titanate is used as raw material, and copper (Ⅱ) phthalocyanine tetrasulfonate (CuPcTs) as sensitizer, the composite nano-photo-catalyst CuPcTs/TiO2 has been prepared by hydrothermal method in-situ synthesis. The degradation of di-(2-ethylhexyl) phthalate in water under visible light is studied in presence of the catalyst, CuPcTs/TiO2. The results show that when the catalyst concentration is 400 mg/L, pH＝5 and the initial mass concentration＝10.0 mg/L, the DEHP degradation rate reaches 93.6％.
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