研究了几种国产和进口二氧化钛在光催化降解染料污染物方面的应用.X射线衍射及扫描电镜分析结果表明,锐钛矿型含量高以及粒径小的二氧化钛能很好地催化降解有机染料.不同结构染料的降解难易顺序为:酞菁类＞蒽醌类＞单偶氮类;降解速度与吸附有直接关系.搅拌分散体系和糊状体系的实验结果表明,难于生物降解的高浓度直接耐晒大红4BS工业染料废水可被光催化降解并矿化,国产催化剂可重复利用多次,光源可采用太阳光.
参考文献
| [1] | Regazzoni AE.;Matsuyoshi M.;Schiller S.;Bilmes SA. Blesa MA.;Mandelbaum P. .Adsorption and photooxidation of salicylic acid on titanium dioxide: A surface complexation description[J].Langmuir: The ACS Journal of Surfaces and Colloids,1998(4):868-874. |
| [2] | Al-Ekabi H;Serpone N .[J].Journal of Physical Chemistry,1988,92(20):5726. |
| [3] | Hidaka H;Zhao J C;Pelizzetti E et al.[J].Journal of Physical Chemistry,1992,96(05):2226. |
| [4] | He Jianjun;Zhao Jincai;Shen Tao et al.[J].Journal of Physical Chemistry B,1997,101(44):9027. |
| [5] | Zang Ling;Qu Ping;Zhao Jincai.[J].Chemistry Letters,1997(08):791. |
| [6] | Zhao Jincai;Wu Taixing;Wu Kaiqun et al.[J].Environmental Science and Technology,1998,32(16):2394. |
| [7] | Wu Taixing Wu;Liu Guangming;Zhao Jincai et al.[J].Journal of Physical Chemistry B,1998,102(30):5845. |
| [8] | Zhao Jincai;Wu Kaiqun;Wu Taixing et al.[J].Journal of the Chemical Society,Faraday Transactions,1998,94(05):673. |
| [9] | Kormann C;Bahnemann D W;Hoffmann M R .[J].Journal of Physical Chemistry,1988,92(18):5196. |
| [10] | Zhao J C;Oota H;Hidaka H et al.[J].Journal of Photochemistry and Photobiology A:Chemistry,1992,69(02):251. |
| [11] | Chavan R B .[J].Textile Research Journal,1976,46(06):435. |
| [12] | GB 11914-1989.中国国家标准汇编[S].北京:中国标准出版社,1994. |
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