| 催化臭氧氧化降解罗丹明B的初步研究 |
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| 引用本文： | 柳葛贤,吕功煊.催化臭氧氧化降解罗丹明B的初步研究[J].环境化学,2007,26(5):626-629. |
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| 作者姓名： | 柳葛贤 吕功煊 |
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| 作者单位： | 1. 中国科学院兰州化学物理研究所,羰基合成与选择氧化国家重点实验室,兰州,730000;中国科学院研究生院,北京,100049
2. 中国科学院兰州化学物理研究所,羰基合成与选择氧化国家重点实验室,兰州,730000 |
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| 摘 要： | 研究了过渡金属硝酸盐及Al2O3为载体担载催化剂在罗丹明B臭氧氧化过程中的催化作用,考察了温度、pH值以及催化剂浓度等因素对反应的影响.结果表明,过渡金属离子可显著地提高罗丹明B的脱色速率,而担载型过渡金属氧化物催化剂活性较低.较低的pH值和反应温度有利于罗丹明B的催化臭氧化.罗丹明B溶液经过催化臭氧氧化后COD去除率可提高24%.
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| 关 键 词： | 臭氧催化氧化 罗丹明B 降解 脱色 |
| 修稿时间： | 2006-09-15 |
INVESTIGATION OF RHODAMINE B DEGRADATION BY CATALYTIC OZONATION |
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| LIU Ge-xian,LU Gong-xuan.INVESTIGATION OF RHODAMINE B DEGRADATION BY CATALYTIC OZONATION[J].Environmental Chemistry,2007,26(5):626-629. |
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| Authors: | LIU Ge-xian LU Gong-xuan |
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| Institution: | 1 State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, The Chinese Academy of Sciences, Lanzhou, 730000, China; 2 Graduate University of Chinese Academy of Sciences, Beijing, 100039, China |
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| Abstract: | The ozonation of Rhodamine B had been carried out in a cylinder reactor. Transition metal nitrates and alumina-supported metal oxides had been used as catalysts. The effects of pH values, reaction temperatures and catalyst concentrations on catalytic ozonation of Rhodamine B were investigated. The results showed that transition metal nitrate catalyst significantly catalyzed the ozonation of Rhodamine B, whereas alumina-supported transition metal oxide catalysts showed low activity. The degradation efficiency of Rhodamine B increased with decreases of pH value and reaction temperature. The COD removal efficiency of Rhodamine B solution was improved by 24% for catalytic ozonation with copper nitrate. |
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| Keywords: | catalytic ozonation rhodamine B degradation decolorization |
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