文献类型：期刊文献

中文题名：不同运行参数对双酚A模拟废水的污泥毒性影响研究

英文题名：Study on the effect of SBR operation parameters on sludge toxicity of BPA synthetic wastewater

作者：赵建国[1];陈善佳[1];黄华[1];王利鹏[1];陈秀荣[1];章斐[1];江子建[1];闫龙[1]

机构：[1]华东理工大学资源与环境工程学院,上海200237

年份：2013

卷号：35

期号：12

起止页码：1

中文期刊名：环境污染与防治

外文期刊名：Environmental Pollution & Control

收录：CSTPCD;;北大核心:【北大核心2011】；CSCD:【CSCD_E2013_2014】；

基金：国家自然科学基金资助项目(No.51008124);国家杰出青年基金资助项目(No.51125032)

语种：中文

中文关键词：BPA模拟废水;污泥毒性;运行参数;SBR系统

外文关键词：BPA synthetic wastewater; sludge toxicity; operation parameters; SBR reactor

摘要：在利用双酚A(BPA)模拟废水成功驯化SBR系统的基础上,考察了活性污泥有机毒性的形成规律及其与不同运行参数的关系。结果表明,活性污泥中污泥毒性的积累主要是在降解BPA过程中引起,而非吸附所致。污泥毒性主要分布在内层胞外聚合物(EPS)和胞内区域。当BPA初始质量浓度为40mg/L时,缩短污泥停留时间(从20d到10d)和水力停留时间(从12.0h到8.0h)利于污泥有机毒性的消减,污泥总毒性平均由36.5%降低至23.8%。
Sequencing batch reactor （SBR） was successfully operated with BPA synthetic wastewater as feeding water. Base on the process study, the mechanism of activated sludge organic toxicity formation and influence of differ- ent operation parameters on sludge toxicity were investigated. Results showed that the accumulation of sludge toxicity was mainly caused by BPA degradation rather than BPA adsorption,and the sludge toxicity mainly distributed in the inner section of extracellular polymers or inside the ceils. Moreover,the relatively short （sludge retention time） SRT and （hydraulic retention time） HRT were beneficial to sludge toxicity reduction. When initial BPA concentration was 40 mg/L,SRT and HRT were shortened from 20 d to 10 d and 12.0 h to 8.0 h respectively,the total sludge toxicity decreased from 36.5% to 23.8% averagely.