| 水中腐殖酸的O_3氧化与其生物可降解性实验研究 |
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| 引用本文： | 熊向陨,黄廷林,于京亭.水中腐殖酸的O_3氧化与其生物可降解性实验研究[J].环境工程,1998(6). |
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| 作者姓名： | 熊向陨 黄廷林 于京亭 |
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| 作者单位： | 西安建筑科技大学环工系!西安710055(熊向陨，黄廷林)，山东建筑工程学院城建系!济南250000(于京亭) |
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| 摘 要： | 分析探讨了水中DBPs的重要先质———腐殖酸的臭氧化机理 ,采用O3氧化作为生物预处理 ,可以提高腐殖酸的生物降解能力。实验研究表明O3氧化 +生物流化床组合工艺下HA的UV- 2 50 和CODMn的去除率与单独生物处理相比 ,预臭氧化后水中有机物生物降解能力可提高30 %左右。
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| 关 键 词： | 臭氧化 生物流化床 生物降解能力 腐殖酸 |
AN EXPERIMENTAL STUDY OF OZONIZATION OF HUMIC ACID IN WATER AND ITS BIOLOGICAL DEGRADABILITY |
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| Xiong Xiangyun et al.AN EXPERIMENTAL STUDY OF OZONIZATION OF HUMIC ACID IN WATER AND ITS BIOLOGICAL DEGRADABILITY[J].Environmental Engineering,1998(6). |
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| Authors: | Xiong Xiangyun |
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| Institution: | Xiong Xiangyun et al |
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| Abstract: | The ozonization mechanism of humic acid(the main precursor of DBPs)are analysed and discussed.It is shown that the biological degradability of humic acid can be improved by taking ozonization as a pre\|treatment process of the biological fluidized bed.UV\-\{-250\}and COD\-\{Mn\}removal rates of humic acid are also experimentally studied in the process of ozonization following the biological fluidized bed under the different ozone dosage.It is verified that the removal rate of humic acid can be raised by about 30% as compared with that of the biological fluidized bed alone when the process with pre\|ozonization is used. |
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| Keywords: | ozonization biological fluidized bed biological degradability and humic acid |
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