| 1,4-二氯苯降解菌的疏水性及其降解特性研究 |
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| 引用本文： | 孙向武,曹晓丹,戴青华.1,4-二氯苯降解菌的疏水性及其降解特性研究[J].环境科学与技术,2010,33(1). |
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| 作者姓名： | 孙向武 曹晓丹 戴青华 |
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| 作者单位： | 江苏工业学院环境与安全工程学院,江苏,常州,213164 |
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| 基金项目： | 江苏工业学院科研基金项目资助(ZMF06020053) |
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| 摘 要： | 从某化工厂的活性污泥中分离纯化得到2株能以1,4-二氯苯为唯一碳源和能源生长的降解菌DEB-2和DEB-3,通过形态特征和生理生化实验初步鉴定为假单胞菌属(Pseudomonas)和芽孢杆菌属(Bacillus)。根据细菌在有机相-水相两相体系中的细胞数量研究了DEB-2和DEB-3的表面疏水性以及在不同环境条件下的变化,同时对菌株DEB-2和DEB-3在液体培养条件下降解不同初始浓度的1,4-二氯苯的性能进行研究。结果表明,DEB-2和DEB-3的表面疏水性随培养时间、温度和pH值的变化而变化,并且细菌的细胞表面疏水性与其在水环境中对有机污染物的降解呈一定的相关性,疏水性大的菌株DEB-2对疏水性有机物的降解能力较疏水性小的菌株DEB-3要强。
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| 关 键 词： | 1 4-二氯苯 疏水性 降解特性 |
Hydrophobicity and Characterization of Dichlorobenzenedegrading Bacterial Strain |
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| SUN Xiang-wu,CAO Xiao-dan,DAI Qing-hua.Hydrophobicity and Characterization of Dichlorobenzenedegrading Bacterial Strain[J].Environmental Science and Technology,2010,33(1). |
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| Authors: | SUN Xiang-wu CAO Xiao-dan DAI Qing-hua |
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| Institution: | School of Environmental & Safety Engineering;Jiangsu Polytechnic University;Changzhou 213164;China |
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| Abstract: | Two strains named DEB-2 and DEB-3 that degraded dichlorobenzene as sole carbon and energy source were isolated from activated sludge of a chemical plant.They were identified as Pseudomonas and Bacillus according to the morphology and biochemical properties.Surface hydrophobicity of the two strains and their changes under different environmental conditions were studied based on cell amount of bacteria in organic water two-phase system.The degradation of different initial concentrations of dichlorobenzene by ... |
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| Keywords: | dichlorobenzene hydrophobicity degrading characterization |
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