文档介绍：焦化废水曝气生物滤池深度处理
试验研究
孙丰英1 唐文锋 2
(1. 安徽理工大学水资源与规划系,安徽淮南232001;2. 淮南联合大学建工系,安徽淮南 232038;
摘要:以升流式曝气生物滤池(UBAF)深度处理某焦化厂废水处理站二级生化出水,在适当预处理和最佳运行条件下,系统对CODcr、NH3-%、%,此时气水比、回流比分别为3:1、~1:1,系统出水CODcr和NH3-N浓度分别可以达到《污水综合排放标准》(GB8987—1996)的二级和一级排放标准。
关键词:焦化废水;曝气生物滤池;氨氮;生化需氧量
Experimental Study on advanced treatment for Coke Plant Wastewater using biological aerated filter
TANG Wen-Feng1 SUN Feng-Ying 2 YANG Yun-Long 3
( of Civil Engineering,Huainan union University,huainan 232038,China; of Environmental Science and Engineering,Anhui University of Science﹠Technology,huainan 232001,China; of Environmental Science and Engineering,Taiyuan University of Science﹠Technology,taiyuan 030024,China)
Abstract:Up Biologic Aerated Filter is used for the advanced sewage treatment. Under the proper pretreatment and the optimum condition of run, the average removal rate of CODcr, NH3-N is %,% respectively, and then the gas-water ratio and reflux ratio is 3:1 and ~1:1 respectively. In run phase ,Bioreactor system effluent CODcr and NH3-N concentrations had attained secondary and primary national standard about wastewater discharge 《GB8978-1996》respectively.
Key words: coke plant wastewater;biological aerated filter;ammonia nitrogen;chemical oxygen demand;
引言
焦化废水是一种含有高浓度氨氮和难降解有机物的工业废水,其难降解物质主要为多环芳烃类和含氮、硫及含氧杂环类化合物[1~2]。这些有机物不仅难降解,而且对微生物有抑