Influence of environmental factors on degradation of carbendazim by Bacillus pumilus strain NY97-1

文献类型: 外文期刊

第一作者: Zhang, Lizhen

作者: Zhang, Lizhen;Qiao, Xiongwu;Ma, Liping;Zhang, Lizhen

作者机构:

关键词: carbendazim;degradation;HPLC;high-performance liquid chromatography;Bacillus pumilus;bioremediation

期刊名称:INTERNATIONAL JOURNAL OF ENVIRONMENT AND POLLUTION ( 影响因子:0.354; 五年影响因子:0.632 )

ISSN:

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收录情况: SCI

摘要: The influence of environmental factors on the performance of carbendazim degradation by Bacillus pumilus strain NY97-1 was investigated under aerobic conditions. The carbendazim degradation in culture medium was characterised by High-Performancc Liquid Chromatography (HPLC) with TJV detector. When the initial concentration of carbendazim was 10, 30, 50, 100, 300mg/L, the degradation rate was 42.44, 48.97, 77.19, 78.66 and 90.07%, respectively after 24h at 30℃. Addition of small amount of organic nitrogenous source had a significant influence on carbendazim degradation, while the inorganic nitrogenous source had negative effect. Carbendazim degradation rate varied from 61.55% to 87.76% when pH value within the range of 4-10 after addition of organic nitrogen, the lowest carbendazim degradation percentage of 61.55% was obtained at pH4.

分类号: X5

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