Isolation, Identification and Degradation Characterization of 1,2-dichlorobenzene Degrading Strain
A bacterium(strain DL-1) capable of growing with1,2-dichlorobenzene as sole carbon and energy sources was isolated from rhizosphere soil in phragmites wetland by using the enrichment culture contaminated with1,2-dichlorobenzene concentration gradient of 20, 40, 60,80, 120, 160 and 200 mg·L-1. It was identified as Bacillus cereus by 16S rDNA gene sequence analysis and the bacterial culture characteristics, carried physiological and biochemical research, the strain was Grampositive, peritrichous flagellum 。The further degrading characterization reserch proved the strain was a facultative anaerobe and the optimal temperature, pH value and inoculation amount of 1,2-dichlorobenzene degradation were 30∩, pH7.0 and 10%, in 4 d. Respectively , the optimal concentration of 1,2-dichlorobenzene in four days was 120 mg·L-1.
Huihui Liu Chunsheng Yang Cheng Ding Zhaoxia Li Huixing Liang
School of Chemical and Biological Engineering, Yancheng Institute of Technology, Jiangsu Yancheng 224051 China
国际会议
成都
英文
1-5
2010-06-18(万方平台首次上网日期,不代表论文的发表时间)