Abstract：Degradation of 2,4,6-trichlorophenol (2,4,6-TCP) by mixed cultures photosynthetic bacteria PSB-DR at different illumination, inoculum density and initial pH were investigated. The degradation conditions were optimized to be incubation with an inoculum density of 30% and initial pH 7.0 under light. About 82.3% of 2,4,6-TCP with initial concentration of 50mg/L was removed after 5d incubation under the condition. The addition of sodium acetate into the substrate greatly suppressed 2,4,6-TCP biodegradation. The degradation of 2,4,6-TCP could be well described by the enzymatic reaction of high concentration inhibition, with the maximum substrate utilization rate 1.746h-1, Michaelis-Menten constant 38.333mg/L and inhibitory constant 260.87mg/L, respectively.
姚斌, 金赞芳, 胡忠策, 金琼, 潘志彦. 光合细菌对2,4,6-三氯苯酚的降解特性研究[J]. 中国环境科学, 2011, 31(10): 1669-1675.
YAO Bin, JIN Zan-Fang, HU Zhong-Ce, JIN Qiong, PAN Zhi-Yan. Biodegradation characteristics of 2,4,6-trichlorophenol by photosynthetic bacteria. CHINA ENVIRONMENTAL SCIENCECE, 2011, 31(10): 1669-1675.
