合成制药废水生物降解动力学模型研究  

Kinetic model of pharmaceutical wastewater biodegradation

作　　者：潘文扬[1] 孙石磊[1] 张徐祥[1] 赵大勇[1] 吴兵[1] 贾海鹰[1] 程树培[1] 

机构地区：[1]南京大学环境学院污染控制与资源化研究国家重点实验室,南京210093

出　　处：《工业用水与废水》2007年第6期1-4,共4页Industrial Water & Wastewater

基　　金：国家建设部项目(06-k4-25);江苏省环保科技计划项目(2005001-1)

摘　　要：应用Monod、Tessier和Moser模型,对菌株XZ(Bacillus)降解合成制药废水的试验数据进行非线性回归分析。结果表明:3种模型均可以用于模拟XZ降解制药废水过程中的生物量增长及污染物基质的降解;其中Moser模型对数据的拟合度最好;应用Monod模型得到的动力学参数qmax和Ksq分别为0.105 h-1和1 846.3 mg/L,证明XZ具有对该制药废水的高降解性和高适应性。动力学参数可以推算降解极限浓度Smin与产率系数YT和YN,进而用于制药废水生物处理反应器的优化和设计。Models of Monod, Tessier and Moser were applied to simulate the biodegradation of pharmaceutical wastewater by strain XZ （Bacillus）, the experimental parameters were analyzed through nonlinear regression method. The results showed： the said 3 models were all appropriate for the simulation of both the microbial growth of XZ and the pollutant-substrate biodegradation; Moser model reflected the best fit to the experimental data; the values of kinetic parameters of Monod model qmax, Ksq were 0.105 h^-1, 1 846.3 mg/L respectively, which showed that XZ had high degradability and adaptability to the said pharmaceutical wastewater. The kinetic parameters acquired could be used to predict the threshold concentration Smin and yield coefficient YT and YN, and moreover, to optimize the design of the bioreactor for the pharmaceutical wastewater treatment.

关 键 词：降解动力学 制药废水 动力学模型 极限浓度 

分 类 号：X703.1[环境科学与工程—环境工程]