复合式厌氧好氧反应器处理制药废水的试验研究祁佩时

36　12200412　　　　　　　　　JOURNALOFHARBININSTITUTEOFTECHNOLOGY　Vol.36No.12Dec.,2004　　　　　　-祁佩时1,李　欣1,韩洪彬2,刘云芝1(1.,150090,E-mail:[e-mail];2.,150086)　:为解决制药废水中有机物浓度高的问题,采用复合式厌氧反应器与好氧生物处理相结合的工艺进行处理,试验结果表明,在进水COD为4000～7000mg/L,厌氧有机负荷采用7～8kg/(m3·d),好氧COD容积负荷率采用1.0～1.2kg/(m3·d),出水COD250mg/L,满足国家污水行业排放标准.:制药废水;复合式反应器;厌氧-好氧:X703:A:0367-6234(2004)12-1721-03Treatmentofpharmaceuticalwastewaterbycombinedanaerobic-aerobicreactorsQIPei-shi1,LIXin1,HANHong-bin2,LIUYun-zhi1(1.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China,E-mail:[e-mail];2.HarbinGeneralPharmaceuticalFactory,Harbin150086,China)Abstract:Inordertosolvetheproblemofhighconcentrationoforganicmaterialinthepharmaceuticalwastewater,combinedanaerobicreactorandaerobicbiologicalreactorwereusedtotreatpharmaceuticalwastewater.Theexperi-mentresultsshowedthattheeffluentCODwasunder250mg/L,whichmeetthepharmaceuticalindustrialdis-chargestandardinChina,whentheinfluentCODwas4000～7000mg/L,anaerobicorganicloadingratewas7～8kg/(m3·d)andaerobicCODloadingratewas1.0～1.2kg/(kg·d).Keywords:pharmaceuticalwastewater;combinedreactor;anaerobic-aerobic:2002-10-22.:(1955-),,,.　　,,,,,,、,[1].,,-[2].,.———,,,[3～6].1　试验装置与试验方法1.1　,、、、,()1.1　　　　　COD/(mg·L-1)4000～7000300BOD5/(mg·L-1)1200～250060SS/(mg·L-1)200～130050pH6～86～91.2　,,,N、P.500mm×500mm×1000mm,200L.500mm,1800mm,350L.,600mm,、.、.500mm,900mm,176L,,300mm,.300mm,600mm,42L.1.1　1.3　,,.24h,COD、pH、、(VFA),2h、,BOD5、TN、TP、MLSS.,《》.2　污泥的培养驯化2.1　(96%)250L,,1℃16℃35℃.,50%.,COD1500mg/L,,COD0.5～0.6kg/(m3·d),0.4～0.5m3(/m3·d),pH7.0.2,,COD.30d,,COD50%,,.,,60d,COD7.2kg/(m3·d),COD6857mg/L,COD75.4%,2.0L/(L·d).,,,.2.2　,2000mg/L,.,2d,COD,2,2700mg/L,、,.COD1.0kg/(m3·d),COD75%,,.3　厌氧-好氧试验结果,-.(35±1.5)℃,pH6.5～7.8,COD7.86kg/(m3·d),COD1.15kg/(kg·d),DO≥2.0mg/L,MLSS3000mg/L,COD,2.2　()ρ(COD)/(mg·L-1)ρ(BOD5)/(mg·L-1)ρ(BOD5)/CODpHρ(SS)/(mg·L-1)5832.92394.40.4116.895354839.31996.50.4136.66136/%17.016.6--74.61204.5565.00.4697.52-/%75.171.7---222.432.50.1467.8724.5/%81.594.2---/%96.298.6--95.44　结果讨论4.1　CODNVCODCODCOD(2).2,CODNV,COD.35℃,NV4～6kg/(m3·d),COD80%;NV7～8kg/(m3·d),COD70%～80%;,COD,NV10kg/(m3·d),COD55%.NV,,[4].,,NV·1722·　　　　　　　　　　　　　　　　　　　　　36　7～8kg/(m3·d).2　CODCOD4.2,(35±1.5)℃.,,,,,.2.2,(35℃),22℃COD、COD.,20℃COD.22℃,COD75.6%,COD1.9kg/(m3·d),35℃,,COD7.8kg/(m3·d).,CODCOD,COD2.2kg/(m3·d),COD66.6%.(2～3℃),,,.4.3　2,BOD5/COD=0.411,,,BOD5/COD0.469,.,,,,.,-,,BOD(98.6%),COD(96.2%).4.4　SVI、COD、.,,CODSVI,3,1.2kg/(kg·d),COD,SVI,.,1.0～1.2kg/(kg·d).3　CODCOD、SVI5　结　论1)-,COD4000～7000mg/L,COD5832.9mg/L,COD250mg/L,COD96.2%,COD.2),,.3),35℃COD7～8kg/(m3·d),22℃,COD2～3kg/(m3·d),COD75%.4),SVI、COD,,COD1.2kg/(kg·d).参考文献:[1].[R].:,1999.[2].-[J].,1998,11(1):49-52.[3].[M].:,1992.[4]　.[D].:,1998.[5]　,,　,.[J].,2003,35(12):1471-1473.[6],,　.[J].,2003,35(5):557-560.(　刘　彤)·1723·12,:-