Abstract:A bacterial strain AN-P1 capable of efficient aniline-degrading was isolated from activated sludge of a sewage treatment plant. It was identified as Rhodococcus sp.. Enzymatic analysis showed that aniline was degraded through meta-cleavage pathway. The optimal conditions for cell growth and aniline degradation were pH 6, 30℃ with an inoculation amount of 0.30‰ and an aniline concentration of 2000 mg/L. PCR-DGGE profile showed that AN-P1 could efficiently protect the microbial community of the activated sludge system against sudden aniline pollution. It took only 10, 20, 32h, respectively,for the treatment of wastewater containing 500, 1000, 2000mg/L aniline to meet the first grade of national integrated wastewater discharge standard. With a combination of AN-P1 and SBR system,it took only 36h for the emergency treatment of wastewater containing 2000 mg/L aniline to meet the discharge standard.
武洪杰, 谭周亮, 刘庆华, 李旭东. 一株苯胺降解菌的筛选及处理突发污染的效果[J]. 中国环境科学, 2009, 29(11): 1181-1185.
WU Hong-Jie, TAN Zhou-Liang, LIU Qing-Hua, LI Xu-Dong. Isolation of an efficient aniline-degrading bacterial strain and its application for accidents. . CHINA ENVIRONMENTAL SCIENCECE, 2009, 29(11): 1181-1185.