| 自制TiO_2光催化剂降解制药废水的研究 |
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| 引用本文： | 李灵芝,李建渠.自制TiO_2光催化剂降解制药废水的研究[J].环境科学与技术,2007,30(6):91-93. |
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| 作者姓名： | 李灵芝 李建渠 |
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| 作者单位： | 广东省韶关学院化学与环境工程学院,韶关,512005 |
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| 摘 要： | 以TiOSO4为原料,采取SAS工艺制备了TiO2和掺铁的光催化剂,对某制药废水(COD=1309mg/L)进行了降解实验。研究了光源、煅烧温度、掺铁比例、pH值、附加条件对废水降解率的影响。结果表明:700℃制备的TiO2在紫外光和太阳光下的降解率分别为77%和70%。掺铁比例为0.5%的TiO2对废水的降解率为81%。pH=2的废水降解率为82%。附加曝气对废水的1h降解率比超声和磁力搅拌的高10%和12%。
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| 关 键 词： | TiOSO_4 TiO_2 光催化 制药废水 |
| 文章编号： | 1003-6504（2007）06-0091-03 |
| 修稿时间： | 2006-08-232006-10-27 |
Photo-catalytic Degradation of Pharmaceutical Wastewater Using Self-made TiO2 |
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| LI Ling-zhi,LI Jian-qv.Photo-catalytic Degradation of Pharmaceutical Wastewater Using Self-made TiO2[J].Environmental Science and Technology,2007,30(6):91-93. |
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| Authors: | LI Ling-zhi LI Jian-qv |
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| Abstract: | The photocatalyst (TiO2) is prepared in the lab by means of SAS process, which is a newly developed method for preparing nano-materials, featuring low cost and easy reaction control. Samples of pharmaceutical wastewater were tested using two different sources of light and the catalyst is doped with different amount of iron (Fe3+). Influence of various reaction conditions on degradation of pharmaceutical wastewater was analyzed and evaluated. |
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| Keywords: | TiOSO_4 titanium dioxide photocatalysis pharmaceutical wastewater |
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