苯胺生物降解极限的研究  

Threshold of aniline biodegradation

作　　者：周军[1] 赵庆祥[2] 金雪标[1] 

机构地区：[1]上海师范大学环境工程系,上海200234 [2]华东理工大学环境工程系,上海200237

出　　处：《环境污染与防治》2004年第6期401-403,414,共4页Environmental Pollution & Control

基　　金：国家自然科学基金资助项目 ( No.2 0 0 770 0 7)

摘　　要：介绍了有机物生物降解极限浓度的理论 ,推导得到了极限浓度的计算公式。以苯胺为目标有机物 ,利用经过驯化的活性污泥 ,通过测定其生物降解动力学参数值 Ks、μmax、qmax、Ymax等计算得到了其生物降解极限质量浓度为 0 .0 2 5 m g/L ,并通过摇床试验对极限浓度进行了验证。研究表明 ,作为微生物生长的唯一碳源和能源 ,有机物生物降解存在极限浓度。A concept of biodegradation threshold was introduced and an equation was offered to calculate the threshold concentration of organics. With aniline as the aimed organic compound, its threshold concentration was evaluated by determining the values of kinetic parameters including K-s, μ-{max}, q-{max} and Y-{max}. The results showed that the minimum concentration value was 0.025 mg/L, which was validated by batch experiments.

关 键 词：生物降解动力学 极限浓度 有机物 活性污泥 苯胺 质量浓度 微生物生长 对极 唯一 推导 

分 类 号：X50[环境科学与工程—环境工程]