生物膜法A^2/O^2工艺处理焦化废水的实验研究  

Pilot-scale Research on Coking Wastewater Treatment by A^2/O^2 Biofilm Process

作　　者：潘磊[1] 杨云龙[1] 

机构地区：[1]太原理工大学环境科学与工程学院,山西太原030024

出　　处：《辽宁化工》2010年第4期378-380,共3页Liaoning Chemical Industry

摘　　要：实验采用A2/O2生物膜法的工艺流程,对太原市某焦化厂的焦化废水进行处理。首先废水经过厌氧柱,经过厌氧水解酸化的预处理后,依次进入缺氧池、好氧池、沉淀池、好氧池、沉淀池,最终出水。实验表明,进水CODCr为1 200～2 200 mg/L,NH3-N为200～1 000 mg/L,系统对其的去除率比较稳定,能使出水的CODCr和NH3-N平均浓度达到《污水综合排放标准》(GB8978-1996)的二级级标准和一级标准。Coking wastewater from a coking plant in Taiyuan city was treated by the A2/O2 biofilm process.Firstly,after all wastewater was pretreated by the anaerobic hydrolysis-acidification in the anaerobic column,then pretreated wastewater entered anoxic tank,aerobic tank,sedimentation tank,aerobic tank and sedimentation tank in turn.The results show that when influent CODCr is in the range of 1 200～2 200 mg/L and influent NH3-N concentration is in the range of 200～1 000 mg/L,the biofilm A2/O2 process has good removal rate for them,effluent CODCr and NH3-N concentration can reach secondary standard and primary standard of national sewage comprehensive emission standard（GB8978-1996）respectively.

关 键 词：焦化废水 A2/O2工艺 生物膜法 

分 类 号：X703[环境科学与工程—环境工程]