| 偶氮染料循环伏安行为和生物厌氧脱色相关性研究 |
| 摘要点击 2651 全文点击 1645 |
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| 中文关键词 偶氮染料 循环伏安 脱色 还原电势 |
| 英文关键词 azo dyes cyclic voltammetric decolorization reduction potential |
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| 中文摘要 |
| 对4种结构相似偶氮染料的循环伏安特性研究及其生物厌氧脱色速率实验，结果表明所选结构相似染料的生物脱色速率最快的是酸性黄-Bis (Er=-616.75 mV), 速率为0.01209 mol?(L?h)-1， 依次是酸性黄-11 [Er=-593.25 mV，0.01040 mol?(L?h)-1]，酸性黄-4 [Er=-513 mV，0.007575mol?(L?h)-1]，且脱色速率与其循环伏安图中的还原峰电位间存在线性关系。研究还表明,电化学方法在一定程度上可对生物体系发生生化反应进行部分模拟和预测研究。 |
| 英文摘要 |
| Experiments were conducted to study some electrochemical factors affecting the bacterial reduction (cleavage) of four azo dyes. And a common mixed culture was used as test organism and the reduction of azo dyes Acid Yellow 4, 11, 17 and Acid Yellow Bis was studied. It was found that the azo dyes were reduced at different rates，which could be correlated with the reduction potential of the azo compounds in cyclic voltammetric experiments. Acid Yellow Bis (Er=-616.75 mV) was reduced at the highest rate of 0.01209 mol?(L?h)-1, Acid Yellow 11 (Er=-593.25 mV) at 00.01040 mol?(L?h)-1 and Acid Yellow 4 Er=-513 mV) at 0.007575 mol?(L?h)-1. It is showed that the reduction potential is a preliminary tool to predict the decolorization capacity of oxidative and reductive biocatalysts. |
