高效微生物在污水生化处理中的应用_李杰

工业用水与废水INDUSTRIALWATER&WASTEWATERVol.37No.5Oct.,2006基金项目:兰州市科技局科技攻关项目(03-1-49)收稿日期:2006-04-24;修回日期:2006-06-26高效微生物在污水生化处理中的应用摘要:采用进口高效微生物和普通微生物对校园生活污水进行处理,试验结果表明,高效微生物CODCr降解速率快,4h时达到80.1%的CODCr最大去除率,能承受的最大进水负荷约为1.14kg[CODCr]/(m3·d),而相同条件下普通微生物仅为69.2%,能承受的最大进水负荷约为0.76kg[CODCr]/(m3·d)。根据两反应器稳态运行3个月的数据,前者对CODCr、LAS、NH3-N的去除率平均值为82%、75%、89%;而后者对CODCr、LAS、NH3-N的去除率平均值为72%、42%、78%。其它研究资料表明,高效微生物对高CODCr、NH3-N、挥发酚污水有很好的处理效果。高效微生物用于实际工程的实例也越来越多。关键词:微生物;生物处理;污水处理中图分类号:X703.1文献标识码:A文章编号:1009-2455(2006)05-0028-03Applicationofhigh-efficiencymicroorganisminbiochemicaltreatmentofwastewaterLIJie1,2,WANGYa-e2,WANGZhi-ying1(1.SchoolofEnvironmentalandMunicipalEngineering,Xi′anUniversityofArchitectureandTechnology,Xi′an710048,China;2.SchoolofEnvironmentalandMunicipalEngineering,LanzhouJiaotongUniversity,Lanzhou730070,China)Abstract:Domesticsewagefromcampusweretreatedbyimportedhigh-efficiencymicroorganismandgeneralmicroorganismrespectively,theresultsofthetestshowedthat,thedegradationrateofCODCrwasfasterbythehigh-efficiencymicroorganism,theremovalrateofCODCrreachedthehighest(80.1%)in4h,themaximumendurableinfluentloadingwas1.14kg[CODCr]/(m3·d),while,underthesamecondition,thecorrespondingvalueswereonly69.2%and0.76kg[CODCr]/(m3·d)respectivelybygeneralmicroorganism.Accordingtothedatagotfromthetworeactorsafter3monthsofstableoperation,theaverageremovalrateofCODCr、LAS、NH3-Nbytheformeronewere82%、75%、89%respectively,while,thecorrespondingvaluesbythelateronewere72%、42%、78%respectively.Someotherresearchinformationshowedthat,high-efficiencymicroorganismhasagoodeffectontreatmentofsewagewithhighconcentrationofCODCr,NH3-N,andvolatilephenol,moreover,theexamplesofhigh-efficiencymicroorganismusedinpracticalprojectsalsobecomemoreandmore.Keywords:microorganism;biologicaltreatment;sewagetreatment李杰1,2,王亚娥2,王志盈1(1.西安建筑科技大学环境与市政工程学院,西安710048;2.兰州交通大学环境与市政工程学院,兰州730070)工业用水与废水INDUSTRIALWATER&WASTEWATERVol.37No.5Oct.,2006污水生物处理是利用微生物的新陈代谢作用,降解水中的污染物,达到净化水质的目的。传统的生物处理主要有活性污泥法和生物膜法等,其所用的微生物是通过自然培养驯化得到的,即根据具体的进水水质