改性壳聚糖混凝去除太湖藻研究董磊副本

*1223221．2000922．2000923．200092。0.7mg/L89.6%4mg/L0.5h85.77%。0.8g/Lfe85.77%94.35%。UV254。0.3g/LPDMDAAC0.4g/L98%。UV25456.94%72%。FLOCCULATIONANDREMOVALOFBLUEALGAEINTAIHULAKEUSINGMODIFIEDCHITOSANDongLei12QiaoJunlian2ZhangPu3HuYinghui2WangYing21．ShanghaiMunicipalEngineeringDesignInstituteGroupCo．LtdShanghai200092China2．SchoolofEnvironmentalScienceandEngineeringTongjiUniversityShanghai200092China3．DepartmentofChemistryTongjiUniversityShanghai200092ChinaAbstractFlocculationexperimentsweremadeusingmodifiedchitosantoremovealgaeindifferentregionsoftheTaihuLake．ForthehighconcentrationalgaeinTaihuLakeshoretheremovalrateofalgaewas85.77%withinhalfanhourwhenthedosagewas4mg/Lforthewaterpumpedtheremovalratewasupto89.6%whenthedosagewas0.7mg/L．ThefloatingflocinTaihuLakeshorecansinkbyusingmodifiedchitosanassistedbyclays．Thedosageofclayswas0.8g/Ltheflocsunkcompletely．Theremovalratecanberaisedto94.35%．HowevertheuseofclaycancausedecreaseofUV254removalrate．ThefloatingflocalsocansinkbyusingmodifiedchitosanassistedbyPDMDAAC-modifiedflyashwhenthedosageofitwas0.3g/Lormodifiedzeolitewhenthedosagewas0.4g/L．Thealgaeremovalratecouldberaisedtomorethan98%．MeanwhiletwokindsofagentscanalsostrengthentheremovaloforganicmatterinthewatertheremovalrateofUV25456.94%canbeuptomorethan72%．KeywordschitosanflyashTaihuLakealgaeremoval*2006BAJ04A09。1。2-7。。PanG．5-7、8。20025t15%9。0.25mg/L90%1084201110295DOI:10.13205/j.hjgc.2011.05.002。。11.1Al2O329%～32%50%～85%＞90%0.45μm。ZR4-6、XSP-8C、、UV-1800、ZetasizerNanoZZeta。1.21.2.120.0mL2h。500mL0.25g/L1hA。、、80。1.2.26。5m5m。A。1000mLA。250r/min3min30r/min10min。0.5h2cm。22.110d1。1、。1/·L－1/NTUρCOD/mg·L－1UV2541010950～100080～1100.20～0255×107～3×10825～4030～400.06～0.082.2AA1。a—b—1A1A2mg/L50%3mg/L80%4mg/L85.77%3mg/L。0.4mg/L80.3%。0.7mg/L89.6%。A。AUV254UV25470%A40%。10A。。。。。PanG.5-7A。942011102952.3AA4mg/L。80。2。HendersonR.K．11。5-7。2A+2A+95%4mg/LA85.77%。0.4g/L0.6g/L94.35%。30.8g/L。15minA。30.8g/LUV2541g/LUV25452%A56.94%AAA。AUV254。A。1.2.112PDMDAAC“S1”13NaOH“S2”。AS1S2。2.4AS1、S2A4mg/L22“↑”“↓”。2AS1、S2/g·L－1PDMDAACS1S2/%UV254/%/%UV254/%085.7756.94↑85.7756.94↑0.2598.1961.24↑98.3958.11↑0.398.3973.19↓98.3963.11↑0.3598.6073.35↓98.3969.03↑0.498.7073.22↓98.5072.26↓2AS1、S2AA85.77%98%。0.6g/LAS10.3g/LS20.4g/L。499%～100%。AS1UV25457%73%S2UV254S1。052011102954AS1、S2S1S2。Al、Si14PDMDAACZetaZeta10.8mV15-16。40.221.671760%、89%1318。PDMDAAC、AA。31A0.5h。4mg/L85.77%。0.7mg/L89.6%。2AA4mg/L0.8g/L。A94.35%UV254。3APDMDAAC、PDMDAAC0.3g/L0.4g/L98%UV25456.94%72%。1．“”J．2008234353-356．2．J．2003294247-248．3．PACJ．200936222-26．4．J．2007298565-570．5PanGZhangMMChenHetal．RemovalofcyanobacterialbloomsinTaihuLakeusinglocalsoils．I．EquilibriumandkineticscreeningontheflocculationofMicrocystisaeruginosausingcommerciallyavailableclaysandmineralsJ．EnvironPollut20061412195-200．6ZouHPanGChenHetal．RemovalofcyanobacterialbloomsinTaihuLakeusinglocalsoils．II．EffectiveremovalofMicrocystisaeruginosausinglocalsoilsandsedimentsmodifiedbychitosanJ．EnvironPollut20061412201-205．7PanGZouHChenHetal．RemovalofharmfulcyanobacterialbloomsinTaihuLakeusinglocalsoilsIII．Factorsaffectingtheremovalefficiencyandaninsitufieldexperimentusingchitosan-modifiedlocalsoilsJ．EnvironPollut20061412206-212．8．J．2006266677-679．9TanakaHSakaiYHinoR．FormationofNa-AandX-zeolitesfromwastesolutionsinconversionofcoalflyashtozeolitesJ．MaterialsResearchBulletin200237111873-1884．10．J．200931945-48．11HendersonRKParsonsSAetal．SuccessfulremovalofalgaethroughthecontrolofzetapotentialJ．SeparationScienceandTechnology20084371653-1666．12．PDMDAACJ．2008420-24．13．J．2006274696-700．14．J．200119-10．15．J．200527167-69．16．PDMDAACJ．200723[e-mail]2011－02－2215201110295