| 活性炭负载TiO_2光催化杀菌研究 |
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| 引用本文： | 王彦,苏会东,胥学鹏.活性炭负载TiO_2光催化杀菌研究[J].环境保护科学,2007,33(4):40-42,45. |
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| 作者姓名： | 王彦 苏会东 胥学鹏 |
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| 作者单位： | 1. 沈阳理工大学环境与化学工程学院,沈阳,110168
2. 辽宁省环境监测中心站,沈阳,110031 |
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| 摘 要： | 研究了溶胶-凝胶法制备活性炭颗粒负载TiO2的光催化杀菌作用,探讨了光催化剂的最佳制备条件。实验结果表明,光催化杀菌效果明显好于单独紫外光的杀菌效果,当钛酸丁脂与无水乙醇比例为1:8制备TiO2溶胶,活性炭颗粒浸涂凝胶一次、在450℃煅烧2h,20min的杀菌率可达88%,在溶胶中掺杂Fe3+的杀菌率可达到95%,提高了活性炭负载TiO2的光催化活性。
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| 关 键 词： | 二氧化钛 光催化杀菌 溶胶-凝胶法 活性炭 |
| 修稿时间： | 2006-12-25 |
Study on Photocatalytic Disinfection by TiO2 Immobilized on Active Carbon |
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| Wang Yan.Study on Photocatalytic Disinfection by TiO2 Immobilized on Active Carbon[J].Environmental Protection Science,2007,33(4):40-42,45. |
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| Authors: | Wang Yan |
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| Abstract: | In this paper,the TiO2/active carbon photocatalytic films were prepared with sol-gel processing,and the sterilization efficiency was studied,the optimal preparation conditions were discussed.The results show that the photocatalysis sterilization efficiency with UV light in the presence of TiO2/ active carbon is much higher than that with UV light.Under the optimal preparation conditions of(TiOC4H9)4 :alcohol is1∶8,and calcinations at 450℃ for 2 h,the TiO2/ active carbon films photocatalyst sterilization rate is 88% in 20 min.The photocatalytic activity of TiO2 is enhanced after Fe3+ added and the photocatalysis rate can reach 95%. |
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| Keywords: | Titanium Dioxide Photocatalysis Sterilization Sol-gel Active Carbon |
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