以废碱液为碳源短程硝化_反硝化处理氨氮废水_朱海兴

2010年第30卷第6期化工环保ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY·523·以废碱液为碳源短程硝化一反硝化处理氨氮废水朱海兴,,王加华’,徐嘉莹,,林大泉,,鲁军,(1.华东理工大学资源与环境工程学院,上海200237;2.中国石油化工集团公司宁波技术研究院,浙江宁波315103)〔摘要]以某炼油厂废碱液为碳源,采用短程硝化一反硝化法处理低碳高氨氮废水。实验结果表明,在反应温度为(25士l)℃、废水pH为7.7一8.3、DO小于0.sm留L、运转周期为6h(曝气时间4h、缺氧时间Zh)的条件下,反应7d后,出水川NH3一N)约为0.2mg/L,TN约为1.69mg/L、出水COD降至156mg/L。「关键词〕废碱液;氨氮;短程硝化;反硝化;序列间歇式反应器[中图分类号]X7o3.l[文献标识码」A[文章编号]1006一1575(2010)06一0523一03TreatmentofAmmoula一nitrogenWastewaterbyShortcutNitriflcation-DenitriifcationProcesswithWasteLyeasCarbonSource及u枷ixingl,肠ngJiahual,xu了ia夕ingl,LinDa叮uanZ,LuuJnl(1.SehoolofResoucresandEnvironmentalEngineeirng,East2.NingboInstituteofTeehnology,ChinaUniversiryofSeieneeandTeehnology,Shanghia200237SINOPEC,NingboZhejiang315103,China)ChinaAbstraet:Thewastewatereontaininglowcarbonandhighammonianitrogenwastreatedbyshorteutnitriifeation一denitriifeationProeesswithwastelyefromreifneryascarbonsouree.TheexPeirmentalresultsindicatehtatundertheeonditionsofreaetiontemperature(25士l)℃,wastewaterpH7.7-8.3,