搜索
342Vol．34No．220152BULLETINOFTHECHINESECEＲAMICSOCIETYFebruary2015CTS/PAM/PAC11231．1320122．1320223．100089/PAC/PAM//CTS/PAM/PAC、pH、CODcr。CTS、PAMPAC12mg/L、60mg/L200mg/LpH7．2、80r/min8minCODcr53．9%98．6%。PAC/PAMCODcr13．2%5．9%21．1%CTS/PAM/PAC。TQ028A1001-1625201502-0559-04ApplicationStudyontheTreatmentofPaper-makingWastewaterUsingChitosan/Polyacrylamide/PolyaluminiumChlorideFlocculantsZHANGLan-he1LIYao-song1ZHANGLI-dong2WANGXu-ming31．SchoolofChemicalEngineeringNortheastDianliUniversityJilin132012China2．CollegeofＲesourceandEnvironmentEngineeringJilinInstituteofChemicalTechnologyJilin132022China3．BeijingAgro-BiotechnologyＲesearchCenterBeijing100089China1971-．．AbstractInordertoimprovethecoagulatingperformanceoftraditionalpolyaluminiumchoride/polyacrylamideflocculantPAC/PAMthepreparationofchitosan/polyacrylamide/polyaluminiumchorideCTS/PAM/PACcompositeflocculantswasstudiedandtheeffectofflocculantsdosagepHmixingrateandmixingtimeonremovalefficiencyofCODcrandturbiditywerealsoinvestigated．Itwasfoundthatcoagulatingperformanceisthehighestwhenthecomponentanddosageofcompositeflocculantswere12mg/LofCTS60mg/LofPAMand200mg/LofPACundertheconditionofpH=7．2mixingrateof80r/minandmixingtimeof8minrespectively．TheremovalefficienciesofCODcrandturbidityreached53．9%and98．6%byusingcompositeflocculants．TheremovalefficienciesofCODcrandSSwererespectivelyincreasedby13．2%and5．9%andthecostofthecompositeflocculantswasdecreasedby21．1%comparedwiththeconventionalflocculantsPAC/PAM．ThereforeCTS/PAM/PACflocculantshadobviouseconomicandenvironmentalbenefits．Keywordspaper-makingwastewatercompositeflocculantcoagulatingtreatment1PAC、PAMPAC/PAMPAC、、PAM56034PAC/PAM、1-4。、、、。-NH2H+、、5-8。//CTS/PAM/PAC5CODcrpH、、CODcrPAC/PAM。22．1TA6-2TP-10pHsartoriusXJ-1。PACPAMCTS。1。1Tab．1Indexofpaper-makingwastewaterWater-qualityindexCODcrmg/LSSmg/LpHvalueNTUWatertemperature/℃Values625．4717907．568．19252．212mg/L、60mg/L200mg/LCTS、PAMPAC5CTS/PAM/PAC1#～5#2100mLCODcrCODcr。CODcrpH、、。2CTS/PAM/PACTab．2DosageofCTS/PAM/PACflocculantsNo．Types1#2#3#4#5#DosageofCTSmg/L0．0360．0480．060．0720．084DosageofPAMmg/L0．180．240．300．360．42DosageofPACmg/L0．600．801．001．201．402．3pHTP-10pH“GB-1190189”CODcr“GB11914-89”。33．1pH2CTS/PAM/PAC5611#～5#CODcr1。13#CTS、PAMPAC0．06mg/L、0．3mg/L1mg/LCODcr46．54%91．96%CODcr3#。pH25℃pH=5．0～9．03#pH2。23#pH6．5～7．5CTS/PAM/PACCODcr48．2%98．5%pH＜6．5pH＞7．5CTS/PAM/PACpH6．5～7．5。pH＜6．5CTSpH＞7．5PACCODcr9pH7．2。1Fig．1Influenceofdosageonconglulatingeffect2pHFig．2InfluenceofpHonconglulatingeffect3．225℃、pH7．23#3。380r/minCODcr53．9%98．6%CODcr。、CODcr80r/min。3Fig．3Effectofmixingrateonthecoagulatingperformance4Fig．4Effectofmixingtimeonthecoagulatingperformance25℃、pH7．2、80r/min3#562344。410。8minCODcr。8min。3．325℃、pH7．2、80r/min、8min3#PAC/PAMCODcr3。3PAC/PAMCTS/PAM/PACCODcr13．2%5．9%21．1%。CTS/PAM/PACPACPAM、CTSCTS-OH-NH2、-COOHCODcr、。3Tab．3ComparisonofcoagulatingperformanceandcostCoagulatingkindCODcrremovalrateTurbidityremovalrateBestdosagemg/LCoagulatingcostyuanCTS/PAM/PAC53．9%98．6%126020．3PAC/PAM40．7%92．7%102500．3841CTS/PAM/PACpH7．280r/min8minCTS、PAMPAC12mg/L、60mg/L、200mg/LCODcr53．9%98．6%2PAC/PAMCTS/PAM/PACCODcr13．2%5．9%21．1%。1．J．20072123-4．2．Fe3O4/J．201434636-39．3．J．201439776-79．4CarlosNLuisMElenaFetal．PolyacrylamideinducedflocculationofacementsuspensionJ．ChemicalEngineeringScience20066182522-2532．5．J．2013386124-126．6．J．2014334806-810．7．J．201437668-72．8NabelAN．Modificationofheavymetaluptakeefficiencybymodifiedchitosan/anionicsurfactantsystemsJ．EngineeringinLifeSciences2010103218-222．9．．J．2004233306-309．10．J．2013364160-163．