*40 520099 JOURNALOFTAIYUANUNIVERSITYOFTECHNOLOGY Vol.40No.5 Sep.2009 :1007-9432(2009)05-0473-03固定化优势菌去除焦化废水中COD的研究周昭博,杨云龙(,030024) :采用聚乙烯醇(PVA)-硼酸包埋固定化法,包埋经筛选出的优势菌,制成固定化优势菌胶片。研究了不同条件下(温度、pH等)优势菌对COD的去除效果以及与未添加固定化优势菌的处理工艺进行比较,并对优势菌在最优环境下的生存状态进行了测定和观察。:固定化;焦化废水;优势菌;COD:X703 :A 。,,。,,,[1]。A2/O2。,、,,[2]。。,、、、、[3]。A2/O2,,(、pH)COD,。1 材料与方法1.1 1.1.1 菌种来源,,,COD。1.1.2 优势菌的固定化方法(PVA)-。3.0gPVA,0.06g,25mL,。1h,5mL,30mL,PVA10%,0.2%。,;4%CaCl2,。24h,,,,[3-6]。1.2 A2/O2A2/O21。。,,。20%,,20%,40%,60%,80%,,。,A2/O2。1.3 1.3.1 不同条件下的对比A2/O2、pH,O1,,。1.3.2 最优条件的测定,;,。*:2009-01-15 :(1982-),,,,,(Tel)13509732737 :,,,(Tel)13603562818DOI:10.16355/j.cnki.issn1007-9432tyut.2009.05.0071.4 COD。2 结果2.1 ,,。PVA-,,。12h,,。,,。4%CaCl2,,24h。,,O1,。2.2 COD,COD1。1 COD1,25℃。25℃,,COD;25℃,。,,;,。:PVA-,,。2.3 pHCOD,pH。pHCOD2。2,,COD。pH,COD,pH,2 pHCOD。,pH,pH。2.4 A2/O2,O1(1),,。25℃,pH8.0,5L/d。COD3。3 COD3,1~4d,COD,COD,4d。5~35d,COD,20d。35d,,,。,PVA-(18℃,25℃),,COD。,,COD。35d,,,COD。3,CODCOD。,。2.5 ,COD2015mg/L。474 40 COD226mg/L。A2/O2COD196mg/L,COD138mg/L,110mg/L。COD88.78%,COD90.27%,93.15%。,COD。3 结论,、pH,PVA-。,COD。COD93%。,。PVA-。,,,,,。35d,COD,。,。COD,,,。:[1] ,.A2/O[J].,2004,14(1):128-131.[2] ,,,.A2/O2[J].,2007,33(7):59-61.[3] ,.———[C].,2004.[4] .[M].:,1997.[5] ,.[J].,2006,32(3):58-61.[6] .PSB[J].,1994,7(6):51-54.StudyonRemovingCODfromCoke-plantWastewaterbyImmobilizedAdvantageBacteriumZHOUZhao-bo,YANGYun-long(CollegeofEnvironmentalEngineeringandScienceofTUT,Taiyuan030024,China)Abstract:Thisresearchaimedattheimmobilizationprocessofadvantagebacteriumandremo-vingCODfromcoke-plantwastewaterbyimmobilizedadvantagebacterium.AnimmobilizationsystemwasobtainedbyentrappingcultivatedactivatedsludgeinmixedPVAgel.TheinfluencefactorsofeffectivenesssuchastemperatureandpHwerestudied.Theoptimumlivingenviron-mentofadvantagebacteriumwasmeasuredandobserved.Keywords:immobilization;coke-plantwastewater;advantagebacterium;COD(:)475 5 :COD