Citation: Guo Jingbo, Fan Yuying, Li Baoyuan, Zhang Lanhe, Ma Fang, Liu Mingwei. The Co-metabolism Biodegradation Characteristics of Dibutyl Phthalate by Enterobacter sp.S8[J]. Chemistry, ;2018, 81(3): 241-247, 266. shu

The Co-metabolism Biodegradation Characteristics of Dibutyl Phthalate by Enterobacter sp.S8

Guo Jingbo ^1, ,
Fan Yuying ¹ ,
Li Baoyuan ² ,
Zhang Lanhe ³ ,
Ma Fang ⁴ ,
Liu Mingwei ¹

1.
School of Civil and Architecture Engineering, Northeast Ebectric Power University Jilin 132012
2.
Petro China Jilin Petrochemical Company Mining Area Service Department, JiLin 132021
3.
School of Chemical Engineering, Northeast Electric Power University, Jilin 132012
4.
State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090

Received Date: 30 September 2017
Accepted Date: 18 December 2017

Figures(7)

Dibutyl phthalate (DBP) is one of the most widely used phthalates, which is refractory organic pollutants and has strong endocrine disrupting effect. In the present study, the isolated DBP degrading bacteria, Enterobacter sp.S8 was applied to investigated the effects of the co-metabolism substrate type and reaction conditions on the co-metabolism degradation efficiency of DBP, while the reaction kinetics and the stability of the enzyme were studied. The results showed that the biodegradation efficiency of S8 to DBP was only 30.2% without co-metabolism substrate, while the highest DBP biodegradation efficiency was 75.6% with optimal conditions:the temperature of 30℃, the pH of 7, the methanol dosage of 20 mg/L and the DBP initial concentration of 300 mg/L. The initial concentration of DBP had the greatest effects on the co-metabolism biodegradation of DBP. The present study provides a basis for the treatment the DBP contaminated environments by co-metabolism.
- Dibutyl phthalate,
- Enterobacter sp,
- Biological co-metabolism,
- Stability of enzyme,
- Polluted environment treatment
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