城市污泥深度脱水调理药剂的筛选与优化研究

20143212121212123141.5106402.1000493.5280004.550081、SＲF、CST、、－。1PAM30～60mg/L。－。2、。PAM9mg/L、30g/L、30g/L。STUDYONSCＲEENINGANDOPTIMIZATIONOFMUNICIPALSLUDGEDEEPDEWATEＲINGCONDITIONEＲSLiuLirong12LuoYanqiang12PengLisi12GongLifang12MaYinghui12YeTingjin3ChenFanzhong1LiGang41.GuangzhouinstituteofgeochemistryChineseAcademyofSciencesGuangzhou510640China2.UniversityofChineseAcademyofSciencesBeijing100049China3.FoshanWaterGroupFoshan528000China4.GuizhouSameNetEnvironmentalProtectionTechnologyCompanyLimitedGuiyang550081ChinaAbstractTakingthesludgeofFoshanZheng'ansewagetreatmentplantasresearchobjectandusingsludgesettlingperformancespecificresistancetofiltrationSＲFcapillarysuctiontimeCSTwatercontentofsludgecakeanddehydrationrateasindexesitwasinvestigatedthedifferentinfluencebetweenaddingsingleflocculantandorganic-inorganiccompoundflocculanttodiscussedtheinfluenceofcoagulant-aidsuchasquicklimeandflyashonsludgedehydration．Theresultsshows1UndersingleflocculantconditionthecationicpolyacrylamidePAM'dewateringeffectisthebestthebestadditivequantityis30～60mg/L．Underorganic-inorganiccompoundflocculantcondi-tionsludgedewateringperformanceshowsobviousimprovmentcomparedwithsingleflocculantcondition．2Underflocculantpluscoagulant-aidconditionsludgedewateringperformanceshowsobviousimprovementandlessflocculantadditiveamountcomparedwithorganic-inorganiccompoundflocculantcondition．Withinthescopeofexperimentthebestsludgeconditionercombinationis9mg/LcationicpolyacrylamidePAM30g/Lquicklime30g/Lflyash．KeywordsdehydrationofurbansludgesludgesettlingperformancespecificresistancetofiltrationSＲFcapillarysuctiontimeCSTwatercontentofsludgecake0、、、1。。、、2。、。3、4。5、67、。、。56201432、specificresist-ancetofiltrationSＲF、capillarysuctiontimeCST、、、、、、。11.14°C。1。1pH/%/Pa·s/g·mL－1COD/g·L－1SS/g·L－17.9199.590.921×10－30.9710.3116.5VSS/g·L－1/g·g－1·DS－1/cm·g－1CST/sMLSS/g·L－1SVI7.2610.3161.46×101229.219.941.211PAMPAMPAM。2PolyaluminiumChlo-ridePACBasicAluminiumChlo-rideBAC。。1.21.2.1100mL100mL30min13510152030minV。VV0SV=VV0×100%1。1.2.2“”CSTs。1cm。CST。CST。CST。1.2.3SＲF。SＲF=2PA×bμ×c()cm/g2PAbV0－V、t/V0－Vμ。SＲFSＲF9.18×1011～1012cm/g3.67×1011cm/g10。100mL1min35.5kPaV05sV1。7～8min。1.2.4W0W1105℃5h。W2。=1－W2－W0W1－W()0×100%3=Qr－QcQr×100%4QrgQcg。22.1PAM66201432。PMA、PAM、、、。、。PAM。PAM0.3%300r/min30～40s50r/min5min。1—3PAM、CSTSＲF、。1PAM2PAMCSTSＲF3PMA1PMA30mg/L。2PMA30mg/LSＲF1.99×1011cm/gCST11.9s60mg/LSＲF8.81×1011cm/gCST9.9s。330～60mg/L。PMA30～60mg/L。8。PAM9。2.2－PAC、BAC、PAMPAC、BAC、PAM。PAC、BAC、、PAM、PMA。、PAMPAC、BAC、10。4、5、6PACPAM、CST、SＲF。4PAMPAC、762014325PAMPAC、CST、SＲF6PAMPAC、4PAC1g/LPAC0.5g/L、2g/L。PAC1g/LPAM30g/LPAM。5PACPAMCSTSＲT。PAC0.5g/L、PAM60g/L90g/LPAC1g/LPAM60g/L90g/LCST、SＲF。4、51g/LPAC+60mg/LPAM、1g/LPAC+90mg/LPAM、2g/LPAC+90mg/LPAMSＲF、CST11SＲF、CST。。。6PAC1g/LPAM9g/L60g/LPAC1g/LPAM90g/L86.61%93.71%。26－。26－/mLSＲF/cm·g－1CST/s/%911.46×101229.284.8190mg/LPAM+1g/LPAC502.59×101012.593.419mg/LPAM+1g/LBAC551.38×101224.890.7830mg/LPAM+3g/L663.92×101114.892.2030mg/LPAM+0.5g/LPAC523.24×101137.390.3660mg/LPAM+3g/LBAC692.35×101121.991.1890mg/LPAM+1g/L655.69×101113.990.52290mg/LPAM、1g/L4。30mg/LPAM、0.5g/LCST37.3s29.2s。PMAPAC。2.37、。86201432。7、8、9PAM、、CTS、SＲF、、。7PAM、8PAM、CTS、SＲF71。PAM9mg/LPAM。9mg/LPAM、30g/L、30g/L9PAM、、。8SＲF2。PAM9mg/LCSTPAM9mg/LCST。PAM9mg/L、30g/L、30g/LSＲF6.08×109CST12s。93。9mg/LPAM+30g/L+30g/L59.31%89.05%。。9mg/LPAM、30g/L、30g/L。12。36－。3。36－/mLSＲF/cm·g－1CST/s/%/%9mg/LPAM+30g/L+30g/L426.08×1091259.3189.059mg/LPAM+30g/L+30g/L452.54×101012.960.4991.599mg/LPAM+30g/L+30g/L386.39×10911.660.6490.240.5g/LPAC+30g/L+30g/L603.25×101015.865.7289.590.5g/LBAC+30g/L+30g/L594.73×101014.966.4087.290.5g/L+30g/L+30g/L721.22×101015.169.4981.117796201432312。11TN＞50%4NO－2－N＞2mg/L。12Proteobac-teria34。31。。1．—M．2000．2．J．2006120－22．3．J．201132428－32．4．J．200223329－35．5．D．2010．6ZhuLDingWFengLJetal．IsolationofaerobicdenitrifiersandcharacterizationfortheirpotentialapplicationinthebioremediationofoligotrophicecosystemJ．BioresourceTechnology20121081－7．7．D．2010．8TakayaNMariaAntoninaBCSYasushiSetal．Aerobiedenitri-fieationbacteriathatproducelowlevelsofnitrousoxideJ．AppliedandEnvironmentMicrobiology20036963152－3157．9．J．200730111－13．10．《》M．2002．11KimOSChoYJLeeKetal．IntroducingEzTaxon-eAprokaryotic16SrＲNAgenesequencedatabasewithphylotypesthatrepresentun-culturedspeciesJ．InternationalJournalofSystematicandEvolu-tionaryMicrobiology2012623716－721．12WilsonLBouwerE．Biodegradationofaromaticcompoundsundermixedoxygen/denitrifyingconditionsAreviewJ．JournalofIndus-trialMicrobiologyandBiotechnology1997182/3116－130．13．J．．201028355－59．14StackebrandtEEbersJ．TaxonomicparametersrevisitedTarnishedgoldstandardsJ．MicrobiologyToday2006334152．15PeytonBMMormileMＲPetersenJN．NitrateＲeductionwithHalomonascampisalisKineticsofdenitrificationatpH9and12.5%NaClJ．waterr[e-mail]2012－01－086931PAM30～60mg/L。－。2、。PAM9mg/L+30g/L+30g/L。1ZallJGalilNＲehbumM．SkeletonbuildersforconditioningoilysludgeJ．WaterPollutionControlFederation197597699－706．2．FeCl3、CaOD．2012．3．J．20082744