高盐含油废水的生物强化处理与污泥特性  

Enhanced Biological Treatment and Sludge Characteristics of High-Saline Oily Wastewater

作　　者：刘彦涛 董迎春 马建 张天宇 杨宗政 LIU Yantao;DONG Yingchun;MA Jian;ZHANG Tianyu;YANG Zongzheng(College of Marine and Environmental Sciences,Tianjin University of Science&Technology,Tianjin 300457,China;Tianjin Jingang Infrastructure Maintenance Operation Engineering Management Co.,Ltd.,Tianjin 300456,China)

机构地区：[1]天津科技大学海洋与环境学院,天津300457 [2]天津津港基础设施养护运营工程管理有限公司,天津300456

出　　处：《净水技术》2023年第7期119-125,133,共8页Water Purification Technology

基　　金：天津市科技计划项目(20YDTPJC01820);天津港科技计划项目(2020-199)。

摘　　要：以模拟高盐含油废水为研究对象,筛选并构建耐盐石油烃降解菌群来强化废水的生化处理效果,将菌群应用于AAO-MBR工艺系统,分析工艺运行过程中水质的变化及其与溶解性微生物产物(soluble microbial products, SMP)之间的关系。结果表明,生物强化菌群的加入使原AAO-MBR污泥系统的CODCr去除率提高23.6%,TN去除率提高33.1%,污泥SMP中蛋白质/多糖由生物强化前Ⅰ、Ⅱ阶段的1.65降至生物强化后Ⅲ、Ⅳ阶段的0.81,多糖成为了污泥SMP的主要组成物质,系统的石油烃去除能力良好且出水各指标均可满足天津市《污水综合排放标准》(DB 12/356-2018)一级标准。Taking the simulated high-saline oily wastewater as the research object,the salt tolerant petroleum hydrocarbon degrading flora were screened and constructed to enhance the biochemical treatment effect of wastewater.The flora were applied to the AAO-MBR process system to analyze the changes of water quality during the process operation and its relationship with SMP.The results showed that the addition of bioaugmentation flora increased the CODCr removal rate of the original AAO-MBR sludge system by 23.6%and the TN removal rate by 33.1%.The value of protein/polysaccharide in sludge SMP decreased from 1.65 in stageⅠand Ⅱ before bioaugmentation to 0.81 in stageⅢandⅣafter bioaugmentation.Polysaccharide became the main component of sludge SMP.The petroleum hydrocarbon removal capacity of the system is good,and all indices of the effluent can meet the first classⅠcriteria of Tianjin Integrated Wastewater Discharge Standard(DB 12/356-2018).

关 键 词：高盐含油废水 AAO-MBR 活性污泥 生物强化 溶解性微生物产物(SMP) 

分 类 号：X703[环境科学与工程—环境工程]