含盐染料废水高温厌氧处理工艺特性研究高欢

3　(1)2～4cm,55.9%。Frendlich,。。(2)15cmd,(CODCr40～70mgL10～35mgL),CODCr、10.0%42.4%;(CODCr15～30mgL0.3～3mgL),CODCr、38.5%63.0%。(3),、,,。[1]　LopezE,SotoB,AriasM.etal.Adsorptionpropertiesofredmudanditsuseforwastewatertreatment.WaterResearch,1998,32(4):1314-1322.[2]　..,2000,12(2):2-4.[3]　,..,2002,21(10):603-606.[4]　,..,1999,26(4):76-79.[5]　A.Drizoetal.Physico-chemicalscreeningofphosphate-removingsubstratesforuseinconstructedwetlandsystems.WaterResearch,1999,33(17):3595-3602.[6]　,..,2003,16(6):280-282.[7]　,.-.,2003,14(4):597-600.[8]　...:,2002,210-281.　　250100　27　　(0531)88361808E-mail　[e-mail]2006-08-10＊高　欢1,2　周岳溪2　胡　翔1　蒋进元2　陈　希2(1.,100029;2.,100012)　研究升流式厌氧污泥床反应器(UASB)在高温条件下处理含盐染料废水的工艺特性及颗粒污泥性能。结果表明,在以常温厌氧絮状污泥为接种污泥,运行温度为(55±1)℃,水力停留时间为12h,含盐量为50000mgL,CODCr为900～1000mgL,染料活性红2(RR2)浓度为100mgL条件下,78d达到运行稳定,CODCr和RR2去除率分别为44%和85%以上。反应器中高温耐盐厌氧颗粒污泥粒径为1.0～2.0mm,其生物相组成以短杆菌、球菌、丝状菌为主。　含盐染料废水　高温　厌氧　UASB反应器　活性红2　颗粒污泥　　　　　　　　＊“863”(2002AA601320B)0　、50%,60%～70%,,[1]。,,,,[2]。、,,,。,,NaCl、NaSO4[3],。UASB,。1　1.1　试验装置1UASB。UASB,2.05cm,45cm,0.6L。,9　　　20076253DOI:10.13205/j.hjgc.2007.03.002。UASB,。1　　1.2　试验用水,RR2100mgL。NH4ClKH2PO4CODCr∶N∶P=200∶5∶1,MgSO45mgLCaCl27.6mgL。NaHCO3,pH7.1。12h。1.3　接种污泥AO(SS=13.87gL,VSS=8.83gL,VSSSS=0.64)。VSS15gL。2　2.1　工艺运行情况与讨论101d。2～4。2　UASBCODCr　3　UASBRR2　,CODCr900mgL。1d25℃,1℃,12d37℃。4　UASB、-　,,[4-6]。1,,,,,。,,。10d,,。,1～9dCODCr,64%90%。10～12d,CODCr90%。13d,NaCl,20000mgL,UASB55℃,。NaCl,CODCr,17.06%,CODCr50%。23d,NaCl50000mgL,CODCr,1CODCr44%。,,。NaCl,,CODCr。20000mgLNaCl10dNaCl,CODCr。(13d)(23d)。30d,RR2,100mgL。,CODCr1000mgL。,RR2CODCr,70d,CODCr40%。35d,RR285%。,71d72%,10　　　20076253,78d92%。-,540nm8--3,6-,,。RR2,。78d,CODCrRR2,。2.2　颗粒污泥的性质44d,。SS=17.81gL,VSS=10.43gL,VSSSS=0.59,16mL。71d,18mL。98d,19.1mL。80d,,1.0～2.0mm。5。6UASB、12。5,,,,,、5　UASB　6　UASB　,5(),。　　6、、,,,。3　(1)UASBRR2。、3,(55±1)℃,、CODCr、100mgL、900～1000mgL、50000mgL,12h,78d,CODCrRR244%85%。　　(2)UASBRR21.0～2.0mm,、、。,,UASB。[1]　RobertMaas,SanjeevChaudhari.AdsorptionandbiologicaldecolourizationofazodyeReactiveRed2insemicontinuousanaerobicreactors.ProcessBiochemistry,2005,40:699-705.[2]　EstherForgacsa,TiborCserhatia,GyulaOrosb.Removalofsyntheticdyesfromwastewaters:areview.EnvironmentInternational,2004,30:953-971.[3]　..,2005.[4]　HerbertH.P.Fang,IvanW.C.Lau.Startupofthermophilic(55℃)UASBreactorsusingdifferentmesophilicseedsludges.Wat.sci.tech.,1996,34(5-6):445-452.[5]　,,.UASB.,2002,28(3):15-18.[6]　,,..,2005,6(10):41-44.　　100012　8　　(010)84915322E-mail　[e-mail]2006-09-29《》　82-6411　　　20076253TREATMENTOFPOLLUTEDRIVERWATERBYCONSTRUCTEDWETLANDWITHPACKINGMEDIUMOFPOTSHERDWASTEZhangJian　LiYan　HeMiaoetal(7)………………………………………Abstract　Aconstructedwetlandsystemwasmadebyselectingpotsherdwasteaspackingmedium,reedandcalamusasplantstotreatpollutedriverwater.Withthehydraulicloadingof15cmd,pollutantsremovalperformanceofthesystemwasstudiedintheconditionofhighinfluentconcentration(CODCrandammonianitrogenconcentrationwere40～70mgLand10～35mgL,respectively)andlowinfluentconcentration(CODCrandammonianitrogenconcentrationwere15～30mgLand0.3～3mgL,respectively).Theresultsshowedthatintheconditionofhighinfluentconcentration,CODCrandammonianitrogenremovalrateswere10.0%and42.4%,respectively,andintheconditionoflowinfluentconcentration,CODCrandammonianitrogenremovalrateswere38.5%and63.0%,respectively.Potsherdwasteisakindofeconomicalandeffectivepackingmediumforconstructedwetland.Keywords　constructedwetland,pollutedriverwater,potsherdwasteandmediumSTUDYONTHETHERMOPHILIC(55℃)ANAEROBICTREATMENTOFSALINEDYEWASTEWATERGaoHuan　ZhouYuexi　HuXiangetal(9)……………………………………………………………Abstract　Thecharacteristicsofanaerobicgranulesdegradingsalinedyewastewaterwereinvestigatedinalaboratory-scaleupflowanaerobicsludgeblanket(UASB)reactorat(55±1)℃.Experimentalresultsdemonstrated:whenambientflocculentdigestersludgewasusedasseed,HRT(hydraulicretentiontime)was12h,salinitywas50000mgL,influentCODCr(chemicaloxygendemand)was900～1000mgL,andreactivered2(RR2)dyeconcentrationwas100mgL.Thequasi-steadystateoftheUASBreactorwasachievedafter78runningdays.TheCODCrandRR2removalrateswereabove44%and85%respectively.Thediameterofthethermophilicsalt-tolerantanaerobicgranularsludgewasfrom1.0～2.0mm,bacilli,cocciandfilamentousbacteriawerefound.Keywords　salinedyewastewater,thermophilic,anaerobic,UASBreactor,RR2andgranularsludgeTREATMENTOFOILYWASTEWATERBYMAGNETICFLOCCULATIONSEPARATIONPROCESSWangLiping　HeYouqing　FanHongboetal(12)………………………………………………………………Abstract　Theoilywastewaterwastreatedbymagneticflocculationseparationprocess.Theproperdosagesofmagneticparticle,flocculantandcoagulantaidsweredetermined,andtheeffectsofaddingsequenceandmixingconditiononthetreatmentwerestudied.Meanwhile,thecontrasttestbetweenmagneticflocculationprocessandcommonflocculationprocesswascarriedout.Itwasshownthatwhenthecontentofoilinthewastewateris100～200mgLtheoptimumtechnologicalparametersarethatthedosagesofmagneticparticle,PFCandPAMare280mgL,25mgLand0.5mgLrespectively,themagneticparticleandPFCshouldbeputintowastewatersimultaneouslybeforePAMandthesuitablestirringspeedshoul