降低盐度(TDS)对制药废水活性污泥法的影响  

Effect of Decreasing Salinity(TDS)on the Activated Sludge Process for Pharmaceutical Wastewater Treatment

作　　者：熊贞晟[1,2] 刘锐 张永明[1] 余彬[1,2] 陈吕军 

机构地区：[1]上海师范大学生命与环境科学学院,上海200234 [2]浙江清华长三角研究院生态环境研究所,浙江嘉兴314006

出　　处：《安徽农业科学》2010年第20期10787-10788,共2页Journal of Anhui Agricultural Sciences

基　　金：国家"十一五"科技支撑计划(2006BAC02A16);嘉兴市科技计划项目(2007AY1016)

摘　　要：以盐度约2%的某制药废水为对象,考察了盐度分别降低至1/2、1/4、1/8后COD去除率、MLSS、MLVSS的变化以及VSS/SS与盐度的关系。结果表明,降低盐度不能提高COD的去除率;微生物主要通过排出细胞内的无机组分来适应盐度的降低;VSS/SS与盐度的对数呈线性关系。Pharmaceutical wastewater with salinity of 2% was chosen and the COD removal rate,change of MLSS and MLVSS concentration,as well as the ratio of VSS and SS were investigated by decreasing salinity to 1%,0.5% and 0.25%,respectively.The results showed that COD removal rate can＇t be increased after decreasing salinity.Microorganisms were easily adapted to salinity decreasing by discharging inorganic components from their cells.The ratios of VSS and SS were presented linear relationship with salinity.

关 键 词：活性污泥法 盐度 COD去除 

分 类 号：X703[环境科学与工程—环境工程]