曝气生物滤池在化工废水中水回用工程中对COD处理效果的研究  

Study on the COD Treatment Effect of Biological Aerated Filter in Chemical Wastewater Reuse Engineering

作　　者：乔勇 QIAO Yong(China Railway International Group Co.,Ltd.,Beijing 100036,China)

机构地区：[1]中铁国际集团有限公司,北京100036

出　　处：《价值工程》2023年第32期90-93,共4页Value Engineering

摘　　要：本文以曝气生物滤池(BAF)处理化工废水及滤池反洗水,考察了曝气生物滤池在中试工程中对废水中CODCr的处理效果,探究了处理过程中水力负荷、气水比、电导率、反洗时间的影响及最佳参数。结果表明:在中试条件下,曝气生物滤池对CODCr的去除率在48.00%-63.63%;在水力负荷为1.0m^(3)/m^(2)·h、气水比为1.5、电导率小于1400μs/cm及反洗时间为45min以上的条件下,曝气生物滤池对CODCr的去除效果较好。This article investigates the treatment effect of biological aerated filter(BAF)on CODCr in chemical wastewater and backwash water in a pilot project,and explores the effects of hydraulic load,gas-water ratio,conductivity,backwash time,and the optimal parameters during the treatment process.The results showed that under pilot conditions,the removal rate of CODCr by the biological aerated filter was 48.00%-63.63%,and the removal effect of CODCr by the biological aerated filter was better under conditions of hydraulic load of 1.0m3/m2·h,air water ratio of 1.5,conductivity less than 1400μs/cm,and backwash time of more than 45minutes.

关 键 词：再生水处理 曝气生物滤池技术 影响因素 最佳条件 

分 类 号：X703[环境科学与工程—环境工程]