不同调理方案下污泥脱水性能评价指标的相关性研究刘欢

3211201111ENVIRONMENTALSCIENCEVol．32No．11Nov．201111*1221.4300742.518057．PAM、FeCl3SRF、CST、、5．SRFCSTR20.96、0.93．SRFCST．SRF、CST．．X705A0250-3301201111-3394-062010-12-142011-04-0751078162NCET-09-03922011TS1231987～[e-mail]*[e-mail]onIndexesofSludgeDewateringPerformanceUnderDifferentConditioningProgramsLIUHuan1YANGJia-kuan1SHIYa-fei1LIYe2HEShu21.SchoolofEnvironmentalScienceandEngineeringHuazhongUniversityofScience＆TechnologyWuhan430074China2.UniverstarScience＆TechnologyShenzhenCo．Ltd．Shenzhen518057ChinaAbstractPerformancesofdifferentsludgeconditionersaredifficulttoevaluateduetotheuseofvariousevaluationindexes．Takingseveraltraditionalsludgeconditionerse．g．PAMFeCl3andinorganiccompositeconditionersasexamplesandfiveevaluationindexesincludespecificresistancetofiltrationSRFcapillarysuctiontimeCSTsludgesettlingperformancewatercontentofsludgecakeanddewateringefficiencywereinvestigatedrespectivelyinordertostudythecorrelationamongthoseindexes．TheresultsindicateasignificantpositivelinearcorrelationbetweenSRFandCSTR2valuesare0.96and0.93respectivelyafteraddingdifferenttypesofconditionersordifferentamountofconditioners．Whiletheycanpreciselyreflectplateandframefilterpressefficiencybuttheyfailtopredicttheeffectsofcentrifugaldewatering．SludgesettlingperformancepresentsthesimilartendencieswithSRFandCST．Sincethereisonlylimitedcorrelationratherthanstrictcorrespondencebetweenwatercontentofsludgecakeanddewateringefficiency．Thusbothfactorsshouldbeconsideredsyntheticallyinoptimizingdosageperformances．KeywordssludgeconditioningdewateringperformancespecificresistanttofiltrationSRFcapillarysuctiontimeCSTsettlingperformancedewateringefficiency1．．2～7．specificresistancetofiltrationSRFcapillarysuctiontimeCST．-89．、．10CAM-CPAM30mg·L－190%0.155cm·s－1．111min5min．127.38g·L－115min68.73%．Lu13Fenton90%75.2%．Dentel14CST．DOI:10.13227/j.hjkx.2011.11.04311．SRF、CST、、．11.11.4℃3．PAM5000.5mm60.0%FeCl31.0%5g·L－1．1Table1Basicpropertiesofsludge/g·mL－1pH/%COD/mg·L－1SCOD/mg·L－1SS/g·L－1/g·g－1×1012/m·kg－11.0116.097.4913124.0328.324.10.3579.3261.21.2.124．PAM1516Ⅰskeletonbuilder1ⅡFeCl3ⅢFeCl3++、Ⅳ．Ⅳ-0、Ⅳ-1、Ⅳ-2、Ⅳ-3Ⅳ-4.200mL500mL、．300r·min－150r·min－11718．4．21Table2Sludgeconditioningschemes0RSⅠPAMPAM0.1g·L－1→2min→10minⅡFA-L10g·L－1→7min→5g·L－1→5minⅢFeFeCl32g·L－1→2min→10minⅣ-0Fe-FA-L0FeCl32g·L－1→2min→10g·L－1→10minⅣ-1Fe-FA-L5FeCl32g·L－1→2min→10g·L－1→5min→5g·L－1→5minⅣ-2Fe-FA-L10FeCl32g·L－1→2min→10g·L－1→5min→10g·L－1→5minⅣ-3Fe-FA-L15FeCl32g·L－1→2min→10g·L－1→5min→15g·L－1→5minⅣ-4Fe-FA-L20FeCl32g·L－1→2min→10g·L－1→5min→20g·L－1→5min11.2.2SRFCSTSRFCST．SRF119．CSTCST304MTritonElectronics1cm．1.2.3120mL2100mL10min190min．1.2.4、、5933321Fig.1Multi-coupledmeasuringdeviceofsludgeSRF．105℃6～8h=W2－W3W2－W1×100%1W1gW2gW3g20．=Qr－QcQr×100%2QrQc．0.08MPa．Fe-FA-L2min．2min．245min1.0MPa5min1.1MPa．DL-5M．SRFCST．2500r·min－140min21．2Fig.2Plateandframefilterpressequipment22.120、Ⅰ、Ⅱ、Ⅲ、Ⅳ-133Fig.3Comparisonofvariousevaluationindexesofsludgeconditionedbydifferenttypesofconditioners693311．3aSRF、CST．SRF、CST3bCSTSRFy=4.3x+12.56R2=0.96.SRFCSTBaskerville22．3a3cSRF、．SRF、SRF．SRFSRF．CST、．2324．．3a3dSRFCSTPAMFA-L．．、100%～400%25～27．．4．4a4bRS→PAM→FA-L→Fe→Fe-FA-L5PAMFA-L．4c“”．4．．2.24Fig.4Comparisonbetweenwatercontentanddewateringefficiencyofsludgeconditionedbydifferenttypesofconditioners2Ⅳ-0～Ⅳ-4．5a0g·L－120g·L－1SRFCST．5bSRFCSTy=3.73x+13.67R2=0.93.5a、5cSRFCST3SRF、CST、SRF、CST、．5d5aSRF、CST．6、7933325Fig.5Comparisonofvariousevaluationindexesofsludgeconditionedbydifferentdosagesofconditioners6Fig.6Comparisonbetweenwatercontentanddewateringefficiencyofsludgeconditionedbydifferentdosagesofconditioners．6a6b0g·L－15g·L－1．5g·L－120g·L－1．893311．6c．31SRFCSTR20.96R20.93.SRF．CSTSRF．2SRFCST．3SRF、CSTSRFCST．4、．．1ZallJGalilNRehbumM．SkeletonbuildersforconditioningoilysludgeJ．WaterPollutionControlFederation1987597699-706.2ThapaKBQiYClaytonSAetal．LigniteaideddewateringofdigestedsewagesludgeJ．WaterResearch2009433623-634.3．J．2007231387-90.4．D．2004.5BoráňJHoudkováLElsвerT．ProcessingofsewagesludgeDependenceofsludgedewateringefficiencyonamountofflocculantJ．ResourcesConservationandRecycling2010545278-282.6TongyMAZhaoYQTayebAMetal．ExploitationofFentonandFenton-likereagentsasalternativeconditionersforalumsludgeconditioningJ．JournalofEnvironmentalSciences2009211101-105.7．J．2010303536-543.8．-PACPAMJ．20103192124-2128.9ZhangZQXiaSQZhangJ．EnhanceddewateringofwastesludgewithmicrobialflocculantTJ-F1asanovelconditionerJ．WaterResearch201044103087-3092.10．CAM-CPAMJ．2009225535-539.11．J．200833282-84.12．CTACJ．20102276-81.13LuMCLinCJLiaoCHetal．DewateringofactivatedsludgebyFenton'sreagentJ．AdvancesinEnvironmentalResearch200373667-670.14DentelSKDursunD．ShearsensitivityofdigestedsludgeComparisonofmethodsandapplicationinconditioninganddewateringJ．WaterResearch200943184617-4625.15．M．2003.113.16．M．2008.91-95.17．D．2004.18．D．2009.19．P．201020573496.92010-10-22.20．J．2007264537-541.21．J．200831635-39.22BaskervilleRCGaleRC．AsimpleautomaticinstrumentfordeterminingthefilterabilityofsewagesludgesJ．WaterPollutionControl196867233-241.