MBR工艺处理维生素C制药废水的中试实验冯斐

MBRC冯　斐　周文斌(,330029)　汤贵兰(,361005)严　滨　蒋林煜(,361000)　主要介绍了某维生素制造企业废水系统运行情况以及MBR改造工艺的启动方法和在不同工艺条件下的运行情况。通过比较2种工艺条件,确定污泥浓度控制在8000mgL,溶解氧控制在2mgL,水力停留时间14h,系统对CODCr的平均去除率能达到90.20%,氨氮的平均去除率能达到89.95%。　维生素C废水　启动运行　MBR0　C,,、、、,,,。。C,60dMBR。1　1.1　废水工艺流程和说明20000m3d,3:,。1。1　mgL(pH)(m3·d-1)CODCrSSpH1000250020～305006～710001000020～402004～618000300080～12030006～9　　,1。1　1.2　废水处理系统运行情况以及存在问题,UASB,CODCr90%,,2CODCr500mgL。2CODCr2000～3000mgL。2:(1),。(2),,。(3),,。(4),。(5),。(6),。SS200～400mgL,CODCr300～600mgL,《》(GB8978-1996):CODCr≤300mgL;SS≤150mgL,,。1.3　处理工艺的改造以及MBR工艺的提出MBR。MBR,,,。,。,,,[1]。,2,16　　　200612246DOI:10.13205/j.hjgc.2006.06.004MBR。2　MBR2.1　实验水质和装置2,2。2　2mgL(pH)CODCrBOD5pHSS1500～3000400～6007～850080～120　　MBR。　100L(80L);　PVDF,1m2,　0.2μm,　12Lh;　、、、。2.2　实验与分析2.2.1　MBR2.2.1.1　,8000mgL。6Lh。14h。2mgL。7d,2。2　2CODCr73.3%43%。,,,;,。CODCr。,。2.2.1.2　8d,,。,,,,。,,,。CODCr。2.2.2　,15d,8000mgL,,。18d。,、。MLVSSMLSS,0.6～0.7。,,。。2。(1)(3、4)3　4　CODCr　2mgL;8000mgL;HRT　14h;　6Lh。3、4。20d,CODCr。(2)(5、6)5　　6　CODCr17　　　200612246　3mgL;　10000mgL;HRT　14h;　6Lh。37d,,10000mgL。40d,59dCODCr。3　18d,59d,2,20d。:(1)CODCr90.20%;CODCr90.90%。CODCr3.8kg(m3·d),CODCr:33.15kg(kg·d),CODCr:3.97kg(m3·d),CODCr:2.54kg(kg·d)。(2)25～30,30～35。,。,。[2]89.95%,83.61%;,,[3],。(3)CODCr,,,8000mgL10000mgL,,,,,[4]。,CODCr。[5]。,。(4)8000mgL,CODCr51.2%,10000mgL,CODCr42.8%。　　,,,。4　,。CODCr90.20%,89.95%。(GB8978-1996)。MBR,,MBR。,,,;,。MBR,[6]。,,MBR,,。[1]　..,1995,16(5):79-81.[2]　,..(),2005,1(21):15-18.[3]　,,,.MBRDO.,2001,17(2):6-8.[4]　,..,2004,10(5):24-26.[5]　T,MuKai,etal.UFbehaviorofextracellularandmetabolicproductsinactivatedsludgesystemwithUFseparationprocess.WaterResearch,2004,34(3):902-908.[6]　,,,.MBR.,2001,10(19):14-16.　　330029　339　()E-mail　[e-mail]2006-03-14,,,20061017。,,。,、、(WP29)。。1828,、。摘自“国家环境保护总局”网18　　　200612246PHOSPHORUSREMOVALPERFORMANCEOFBI-CYCLICTWO-PHASE(BICT)BIOLOGICALPROCESSONAPPLICATION-SCALEPanYang　HuangYong　LiYongetal(7)……………………………Abstract　Theperformanceofanewbiologicalnutrientremovalprocess———BICT(bi-cyclictwo-phasebiologicalprocess)isstudiedbasedonapplication-scaleexperimentswithmunicipalsewage.Thenewsystemconsistsofanindependentattached-growthreactorandasetofsuspended-growthsequencingbatchreactors.Theconfigurationandoperationmodesoftheprocessprovideagoodpotentialforoptimizingtheoperationconditionsaccordingtothespecificrequirements,especiallyforincreasingthestabilityandreliabilityoftheprocess.Accordingtotheexperimentalresultswithmunicipalsewage,theprocesshasstrongandstablecapabilityforphosphorusremoval.Undersuitableconditions,theremovalrateofTP(totalphosphorus)isover90%,andtheeffluentconcentrationofTPcanbecontrolledbelowand1.0mgL.Keywords　BICT,phosphorusremovalandbiologicalsludgeBIOFILMFORMATIONANDTHEDEGRADATIONOFANILINEWASTEWATERBYOCHROBACTRUMANTHROPIINATHREE-PHASEFLUIDIZEDBEDWuJinhua　WeiChaohai　LiPingetal(10)………………………………………………………………………………………………………………………Abstract　Thetreatmentofanilinewastewaterbyinternalloopthree-phasefluidizedbedcoupledwithOchrobactrumanthropiwhichwasisolatedanddomesticatedfromsoilandwaterpollutedbyanilinewasinvestigatedwithpreparedfibre-granulaascarrier.Avarietyofdegradationconditionsincludingdissolvedoxygen(DO),hydro-retentiontime(HRT)andresistantcapacityofconcentrationloadshockwerestudiedtoprovideinformationandrecommendationsforlarge-scalebiologicaltreatmentofaniline-containingwastewater.Theresultsshowedthatmicroorganismhadsettledonthesurfaceofgranulain4daysandthereactorhadachievedstablestatefor30-daydomestication.Moreover,ithadsuccessfullyeliminatedthewastewatercontaininganilinefromapharmaceuticalfactory.Keywords　anilinewastewater,predominantstrain,biodegradationandthree-phasefluidizedbedTREATMENTOFWASTEWATERFROMWHITECARDPAPERPRODUCTIONWITHINCLINEDSCREEN-FLOCCULATIONSEDIMENTATION-AOPROCESSTianQiping　ZhengPing　FuDelong(13)……………………………………………………………………………………………………………………………………Abstract　Thewastewaterfromwhitecardpaperproductionwastreatedwithinclinedscreen-flocculationsedimentation-AOprocess.TheresultsshowedthattheaverageremovalpercentageofCODCrandSSreached97.9%and99.1%,respectively.Theeffluentcouldmeetthenationalstandardsteadily.Whentheinclinedscreenwasadoptedtoreclaimwastefiberinwastewaterandthesuperficialloadingratewassetat5～12m3(m2·h),theremovalpercentageofCODCrandSSreached52.8%and53.7%,separately.Thebenefitfromfiberreclamationisequalto33yuanpertonofpaper,whichis2.5%ofthetotalcostofpaper.Recycleoftheexcessiveactivatedsludgecouldcutdownthechemicaldosage,thussaving25%oftotalrunningcostandalleviatingsecondarypollution.Keywords　inclinedscreen,flocculationsedimentation,AOprocessandpaper-makingwastewaterAPILOTSCALEEXPERIMENTONVC-MAKINGWASTEWATERTREATMENTBYMEMBRANEBIO-REACTORFengPei　ZhouWenbin　TangGuilanetal(16)…………………………………………………………Abstract　ItismailyintroducedtheperformanceofawastewaterplantofaVC-producingcompanyandthestart-upmethodoftheVCwastewatertreatedbytheMBRprocessandtherunningunderdifferentconditionsofthesystem.Throughcomparingtwodifferentprocessconditions,whenthesludgeconcentrationiscontrolledat80000mgL,DOcontrolledat2mgLandtheHRTcontrolledat14hours,theaverag