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砂土中柴油的微生物降解研究

陆泗进 王红旗 姚治华

陆泗进, 王红旗, 姚治华. 砂土中柴油的微生物降解研究[J]. 环境科学研究, 2007, 20(2): 14-18.
引用本文: 陆泗进, 王红旗, 姚治华. 砂土中柴油的微生物降解研究[J]. 环境科学研究, 2007, 20(2): 14-18.
LU Si-jin, WANG Hong-qi, YAO Zhi-hua. Study on Micro-Biological Degradation of Diesel Oil in the Sandy Soil[J]. Research of Environmental Sciences, 2007, 20(2): 14-18.
Citation: LU Si-jin, WANG Hong-qi, YAO Zhi-hua. Study on Micro-Biological Degradation of Diesel Oil in the Sandy Soil[J]. Research of Environmental Sciences, 2007, 20(2): 14-18.

砂土中柴油的微生物降解研究

基金项目: 国家自然科学基金资助项目(40472129)

Study on Micro-Biological Degradation of Diesel Oil in the Sandy Soil

  • 摘要: 从加油站污染土壤中筛选出对柴油具有较强降解能力的菌株,比较研究菌株及菌群降解柴油的差异,探讨植物苜蓿和芥菜对菌株降解柴油污染物的影响.结果表明:①菌株Q18和菌群对砂土中柴油都具有较强的降解能力,菌群对柴油的降解率明显高于菌株Q18.菌株Q18 和菌群在5 d内对柴油的总降解率分别为40.29%和54.15%.与菌株Q18降解柴油相比,菌群主要是强化了中、长链烷烃化合物的降解.②在砂土中,苜蓿和芥菜都能显著地强化菌株Q18对柴油的降解,但苜蓿强化菌株Q18降解柴油的能力强于芥菜. 5 d内菌株Q18-芥菜和菌株Q18-苜蓿复合体系对柴油总降解率分别达到60.05%和56.68%.③菌群和苜蓿及芥菜复合体系降解柴油的能力也有显著提高,但芥菜强化菌群降解柴油的能力强于苜蓿.5 d内菌群-芥菜和菌群-苜蓿复合体系对柴油总降解率分别为75.53%和70.50%.

     

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  • 刊出日期:  2007-04-25

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