典型污泥化学调理脱水实验研究

37罗鑫，林春绵*，甄万顺310000、、、FeCl3、PAM、、。SRF3.51×109s2/g13.3g/g79.6%、、FeCl310%、9%、8%65.4%、60.9%、62.7%。PAM0.2%、0.4%、0.3%63.1%、59.6%、62.1%。PAM、FeCl30.15%、4%60.3%。FeCl3PAMX13Adoi10.3969/j.issn.1003-6504.2014.6N.0411003-6504(2014)6N-0184-05ExperimentalStudyonTypicalSludgeChemicalConditioningDewateringLUOXin,LINChunmian*,ZHENWanshunCollegeofbiologicalandenvironmentalengineering,Zhejianguniversityoftechnology,Hangzhou310000,ChinaAbstractResearchisbasedondyeingsludge,papermillsludge,waterworkssludge,sewagesludge,andthetipicalpropertiesofsludgeswereexplored.ThesuctionandpressurefilterexperimentswithdifferentdosingofFeCl3andPAMwerecarriedout.Theresultsshowsthatpapermillsludgeisthehighest3.51x109s2/g,andfiltercakewatercontentisthelowest,respectivelyis13.3g/gdriedmudand79.6%,SRFdecidesthespeedofdewatering,Boundwatercontentandwatercontentisnegativelyrelated.bestFeCl3dosingofsewagesludge,dyeingsludge,papermillsludgerespectivelyis10%,9%,8%,thewatercontentis65.4%,60.9%,62.7%.bestPAMdosingrespectivelyis0.2%,0.4%,0.3%,thewatercontentis63.1%,59.6%,62.1%.Thewatercontentofsewagesludgeisthehighestaftertheconditioningwhichindicatesthatpurebiochemicalsludgeisgenerallydifficulttodewatering.Thewatercontentofsewagesludgeisdownto61.3%afterCompositeconditionedwhichindicatesCompositeconditioningisbetteranddosingdecreasesthansingleconditioning.Keywordstypicalsludge;sludgedewatering;chemicalconditioning;FeCl3;PAMEnvironmentalScience&Technology376N20146Vol.37No.6NJun.2014《》2014-02-182014-04-141990-()[e-mail]*()0571-88320976。99%[1]。157269%GB16889—200860%[2]70%~80%。。[1-3]。。。[4]β-MikkelsenLH[5-6][6-7]6N。、。。、、、、、、COD、、。11.1材料与设备1.1.1A2/O。4℃。1.1.2FeCl338%PAMpH3~9。1.1.3JH、WGZ-1B、PHPHS-25、DHG、FB423、mini-press0.8MPa、COD。1.2实验与分析方法1.2.198%。、、、CODFeCl3PAM。200~400mL38%FeCl3、0.1%PAM。150r/min30~60s50r/min3~5min[8]。、、2。1[8]。1min0.05MPamini-press、0.8MPa。300mL2。1.2.2[9]。。。M1·ω1=ω2·M211M1、M2ω1ω2。M1、ω1、M2ω2。M1-M2。[9,11]。b。b=tVV=μαC2pF22374。、3.51×109s2/g。327.5g/g。。、。[10]。2.2污泥化学调理脱水2.2.14a、b、cFeCl3、PAM、、。[11-12]。、、。4aFeCl3。3。。FeCl310%。[11-13]。FeCl38%~10%PAMpHSV30/%/%/×109s2·g-1COD/mg·L-1/%NTU/%6.588.325.20.3119798.65.973.76.895.649.70.626898.52085.87.292.438.93.5120698.217.679.64.9-56.30.84673696.833.582.81α=2pF2μ·bC=KbC32~3αs2/gp(MPa)F(cm2)μ(cp)C(g/mL)。、[10]。105℃600℃CODGB11914-89、pHpH。22.1污泥性质分析33。90min193%93%13.3g/g、27.5g/g13.0g/g。3＜＜。。4、1。＜＜＜＜＜＜＜＜＜＜＜。6NFeCl38%FeCl39%FeCl310%PAM0.2%PAM0.3%PAM0.4%PAM0.5%/%60.962.561.462.162.0--/%62.762.9--61.559.462.1/%--65.463.163.7--2。PAM0.2%~0.3%。FeCl38%、9%PAM0.3%~0.5%FeCl310%PAM0.2%、0.3%。FeCl38%、9%、10%PAM0.2%、0.3%FeCl38%PAM0.3%、0.4%、0.5%FeCl310%PAM0.2%、0.3%。2。2、、FeCl38%、8%、10%PAM0.3%、0.4%、0.2%。2.2.25(a)、(b)。5(a)FeCl3FeCl3FeCl3EPS[13-14]PAM0.4%、、pH[12-14]PAM。5(b)FeCl3＜＜65.4%。PAM＜＜PAMPAM。FeCl3、PAM[13-14]。3。3PAM、FeCl30.15%、4%60.3%63.7%。。3、、、FeCl3、PAM37FeCl3、PAM8%、0.15%FeCl3、PAM6%、0.2%FeCl3、PAM6%、0.15%FeCl3、PAM4%、0.2%FeCl3、PAM4%、0.15%/%61.660.860.960.760.33。1。2、、3。[][1],,,.[J].,2010,33(S2):169-172.ChiYongzhi,ChiJiping,MaYan,etal.Sludgepropertyandtreatment,disposalinmunicipalwastewatertreatmentplant[J].EnvironmentalScience&Technology,2010,33(S2):169-172.(inChinese)[2]HuangXia,LiangPeng,QianYi.Excesssludgereductionin－ducedbyTubifexinarecyclesludgereactor[J].Biotechnolo－gy,2007,127(3):443-451.[3].[M].:,2002:49-72.ZhaoQinxiang.SludgeRecyclingTechnology[M].Beijing:ChemicalIndustryPress,2002:49-72.(inChinese)[4],,,.[J].,2011,32(11):3394-3399.LiuHuan,YangJiakuan,ShiYafei,etal.reserchonsludgedewateringpropertyevaluationindexcorrelationindifferentconditioningmethod[J].EnvironmentalScience,2011,32(11):3394-3399.(inChinese)[5]LeneHaugaardMikkelsen,KristianKeiding.Physico-chemicalcharacteristicsoffullscalesewagesludgeswithimplicationstodewatering[J].WaterResearch,2002,36(10):2451-2462.[6]MikkelsenLH,KeidingK.Effectsofsolidsconcentactivatedsludgedeflocculation,conditioninganddewatering[J].WaterScienceandTechnology,2001,44(2/3):417-425.[7],,,.[J].,2008,31(6):35-38.LuWen,ZhangDengfeng,WangPanpan,etal.Effectofcationicsurfactantsonsludgedewaterability[J].Environmen－talScience&Technology,2008,31(6):35-38.(inChinese)[8],,:,ZL200820058433.2[P].2009.YuTingkang,LiuTao,ShenHong.Sludgespecificresistancemeasuringdevice:China,ZL200820058433.2[P].2009.(inChinese)[9],,,.[J].,2012,46(3):503-508.XieHaohui,MaHonglei,ChiYong,etal.Sludgeboundwa－termeasurementmethodandwaterdistribution[J].JournalofZhejiangUniversity,2012,46(3):503-508.(inChinese)[10]CJ/T211-2005,[S].CJ/T211-2005,SludgeTestMethodinMunicipalWastewa－terTreatmentPlant[S].(inChinese)[11],,,.[J].,2011,34(2):152-155.LiMingsong,LiZhiguang,LiuHailin,etal.Dewateringofdomesticexcesssludgebyenhancingcoagulationcondition－ing[J].EnvironmentalScience&Technology,2011,34(2):152-155.(inChinese)[12]VesilindPA,HsuC.Limitsofsludgedewaterability[J].Wa－terScienceandTechnology,1997(36):87-91.[13]ShinHS,KangST,NamSY.EffectofcarbohydrateandproteinintheEPSonsludgesettlingcharacteristics[J].WaterScienceandTechnology,2001,43(6):193-196.[14]ChangGR,LiuJC,LeeDJ.Co-conditioninganddewater－ingofchemicalsludgeandwasteactiv