沸石曝气生物滤池处理城市纳污河水朱小彪

[4]　,.ADAT-IAT.,2005,12(1):38-41.[5]　RuizG,JeisonD,ChamyR.Nitrificationwithhighnitriteaccumulationfortreatmentofwastewaterwithhighammoniaconcentration.WaterResearch,2003,37(6):1371-1377.[6]　PengDC,BernetN,DelgenesJP,MolettaR.SimultaneousorganiccarbonandnitrogenremovalinaSBRcontrolledatlowdissovledoxygenconcentration.JChemTechBiotech,2001,76:553-558.[7]　PengDC,BernetN,DelgenesJP,MolettaR.Aerobicgranularsludgeacasereport.WaterResearch,1999,33(3):890-893.　　212013　　E-mail　nying101@sina.com.cn2006-11-16沸石曝气生物滤池处理城市纳污河水＊朱小彪　高宝玉　许春华　张宪忠　张永强(,250100)　采用上流式沸石曝气生物滤池(ZBAF)处理城市纳污河水,研究其挂膜启动过程,以及对有机物、NH3-N、SS的去除效果及影响因素。结果表明,在水温为11～24℃条件下,气水比对NH3-N的去除要比对COD和SS的去除影响大得多;当水力负荷为1.2m3(m2·h),曝气量为3∶1时,对污染物的去除效果最佳;滤池填料高度对各种污染物的去除有较大影响,大部分有机物在进水端40cm厚的填料层内得到降解,而氨氮的硝化主要集中在上层填料层内。　沸石曝气生物滤池　纳污河水　气水比　水力负荷　　　　　　　　＊(052143)0　(BAF),,BAF、、、,[1,2]。,BAF(),,。1　1.1　试验进水———,1。1　CODCr(mg·L-1)NH3-N(mg·L-1)℃NTUTN(mg·L-1)pH98.0～352.830.9～55.610.5～25.050.4～27845.2～68.57.0～8.51.2　实验装置1。ZBAF2.3m,0.2m,。,,。3～5mm,1.25m。0.25m,1、2、3、4、5、6。1　　(10L(m2·s),10L(m2·s)。、,ZBAF。22　　　20078254DOI:10.13205/j.hjgc.2007.04.007CODCr、、NH3-N、NO-2-N、NO-3-N。[3]。2　2.1　挂膜启动--。。3d,,5∶1,,0.6m3(m2·h)。,ZBAFCODCr,10d,CODCr75%,50mgL,,,15d。NH3-N(40～50mgL),ZBAFNH3-N,80%,,NH3-N。,,NH3-N,,,,2006-04-04,NH3-N;,NH3-N,70%,,,25d,,[4]。2.2　水力负荷对污染物去除效果的影响0.6、1.2、1.8m3(m2·h)3,2、1、0.67h,4∶1,,2。2(1),0.6、1.2m3(m2·h)2,CODCr80%,CODCr50mgL,;1.8m3(m2·h),CODCr,60%,CODCr80mgL,。,CODCr,。2(2)NH3-N,1.2m3(m2·h),,NH3-N10mgL,《2　》。1.8m3(m2·h),,NH3-N,50%,NH3-N。,,NH3-N2.3～5.2mgL,15min,NH3-N90%[5],NH3-N,90%,NH3-N。2(3),ZBAF,3,,5NTU,,。,CODCrSS,NH3-N。1.2m3(m2·h)。2.3　气水比对ZBAF运行效果的影响,1.2m3(m2·h),,1∶1、2∶1、3∶1,ZBAF,3。3(1),1∶1,ZBAFCODCr60%～70%,CODCr23　　　200782543　;2∶1,CODCr80%,CODCr50mgL;3∶1,CODCr。3(2)NH3-N,,,NH3-N,3∶1,NH3-N,80%,10mgL;1∶12∶1,NH3-N。NH3-N,,,,[4],,。,NH3-N,。　　3(3),ZBAF,3,,5NTU。,CODCrNH3-N,NH3-N,,,,,。2.4　填料高度对污染物去除的影响,,4。4,13CODCr,ZBAF。,,,,。46,CODCrSS,,,ZBAFCODCrSS。4,ZBAFNH3-N,NO-3-NNO-2-N。13,NH3-N,NO-3-NNO-2-N;3,NH3-N,NO-3-NNO-2-N,,NO-3-N。:,NH3-N,NH3-N,,13,,,,NH3-N;3,4　(27)24　　　20078254,SBR,CODCr85%～90%,,SBR90%。SBR,SBR,,,、[2],CODCr。(3)5,SBR,SBR,BOD5CODCr0.35,BOD530mgL。SBR,,,,SBR。(4)6SBRSS,SBR,。4　(1)-SBR,,CODCr95%～96.4%,SS87%～94%,SS24～49mgL,《》。(2),,SBR,SBR。(3),SBR,SBR。(4)。SBR,、。,,。[1]　,..,1999,32(6):35-38.[2]　,,.--.,2005,23(1):33-35.　　101102　　E-mail　bailiyun123@126.com2006-10-19(24),,,NO-3-NNO-2-N。,NH3-N,NH3-N,。3　(1)ZBAF,,,NH3-N。,ZBAF,,。(2)、ZBAF,NH3-N,。,1.2m3(m2·h),3∶1,ZBAFCODCr、NH3-N。(3)ZBAF,,NH3-N。[1]　K.R.Gilmore,K.J.Husovitz,T.Holst,etal.Influenceoforganicandammonialoadingonnitrifieractivityandnitrificationperformanceofatwo-stagebiologicalaeratedfiltersystem.Wat.Sci.Tech.,1999,39(7):223-234.[2]　PaffoniC,GousaillesM,RogallaF,etal.Aeratedbiofilterfornitrificationandeffluentpolishing.Wat.Sci.Tech.,1990,22(7-8):181-189.[3]　.().:,2002.[4]　J.G.Peladan,H.Lemmel,R.Pujol.Highnitrificationratewithupflowbiofiltration.Wat.Sci.Tech.,1996,34(1-2):347-353.[5]　,,..,2005,21(6):38-40.　　250100　　(0531)88364832E-mail　bygao@sdu.edu.cn2006-11-0227　　　20078254THERESEARCHONDESIGNOFAORPROCESSGaoJunfa　GaoXiae(7)………………………………Abstract　AORisanewbiochemicalprocessthatcombineswithtraditional-activatedsludgeprocessandoxidationditch.Ithasbetterfunctionofnitrogenandphosphorusremovals,anditsuniquedesignofsludgerenewalregion,makesthereturnsludgecentralizedwithappropriateoxygenation,meanwhileeachregioncanengenderflowstatewithconcentriccirclesadopted.Accordingly,itisasortofwatertechnologywithhighefficiency,energysavingandbetteraccommodation.AfterthestudyofAORprocess,thedynamicdesignmeetingbiologicalphosphorusandnitrogenremovalisproposed,andtheformulasusedtodesignandcalculatearededuced.Keywords　AOR,biologicaldenitrificationanddesign&calculationTHEDESIGNANDOPERATIONOFADVANCEDTREATMENTANDREUSEOFSECONDARYEFFLUENTOFCITYSEWAGEDISPOSALPLANTWangRongbin　WangCuiping　XingYietal(10)……………………………………………………………………………………………………………………………………………Abstract　Reusingmunicipalsewageascirculatingcoolingwaterinindustryhasbecomeoneofthemostlyschemestoresolvetheshortageofwaterallovertheworld.However,thequalityofsecondaryeffluentcannotmeetthestandardofcirculatingcoolingwateraboutCODCr,hardness,nitrogenandphosphor,anditmaybereusedbyadvancedtreatment.Abio-contactoxidation-flocculationsedimentation-mixingclarification-continuousdynamicfilter-disinfectionprocesshasbeenadoptedinthisproject,andtheeffluenthasbeenusedasmake-upwatertocirculatingcoolingsysteminanelectricpowerplant.Thepracticaloperationresultshowsthattheprocesshashighefficiencyandalittleenergyconsumption.Thequalityofeffluentmeetsthemake-upwaterqualitystandardofindustrialcirculatingcoolingwater.Bytheimprovementonprocess,theoperationismoresimple,andtherunningoftheequipmentismorestable.Keywords　reuse,circulatingcoolingwater,continuousdynamicfilterandsludgedewateringbedAPPLICATIONOFHIGH-EFFICIENCYCLARIFIERINREFORMOFWASTEWATERTREATMENTPROJECTLiuJianbin　ChuShangye　FanFeietal(13)………………………………………………Abstract　ThecurrentsituationofthewastewatertreatmentsystemforDandongChemicalFiberStockCompanyisintroducedandtheexistingprocesscannotmeet