好氧颗粒污泥对水溶液中酸性淡黄2G的生物吸附

296201011ENVIRONMENTALCHEMISTRYVol．29No．6November201020091110．*510780078082007PHR20110819．＊＊[e-mail]2G*＊＊1001242GpH、、2G、NaCl．pHpH2．0．Temkin．．．．FTIR、．2G．2G．20077．537×105t1．10%—15%．2-3．、、4．．．/、5．、、．、、、46-8．20053509．、10．、．、．SBR．1120．Tay1214—28d．．13-1415．2G．pH、、、．、．FTIR．11．1SBR．6h1128292min330min6min2min．25±1℃．6mg·l－1．．105℃2h．33m·h－1．1min．2G150r·min－124h．1．22GC．I．=18965=C16H10Cl2N4Na2O7S2λmax=402nm．200mg·l－1．1．3．pH200ml2G250mlGFL108620±1℃150r·min－1．3200r·min－12min．．1—5min．pH2G2.2g·l－140mg·l－1pH1—13．2G65mg·l－10．8—4．5g·l－1．20406080100mg·l－1、NaClW/V=00．5%1%2%3%20℃、35℃50℃、．1．4/UV-2100Unico402nm2G．BrukerVertex70FTIRFTIR4cm－1400—4000cm－1．2Gqemg·g－1qe=VC0－Cem1C0mg·l－1Cemg·l－1Vlmg．22．1pH1aqepH．40mg·l－12．2g·l－120±1℃24h．1apH12pH217．47mg·g－1．pH23．pH41．80mg·g－1．pH2．14pH2．016．pH4．pH2G．2GSO－3．．2．0pHpH．4．1bqe0．8—4．5g·l－162G112965mg·l－1pH2±0．120±1℃24h．1b2G．17．．17-18．3．0g·l－1．1c2G20—100mg·l－1qetpH2±0．13．0g·l－120±1℃24h．2G30min．2．2G20mg·l－1100mg·l－15．8632．26mg·g－1．Enteromorphaprolifera2743．2G20±1℃、35±1℃50±1℃20—100mg·l－1pH2±0．13．0g·l－124h．1d20℃35℃．2G．2G4．NaCl1e0—3%NaCl60mg·l－1pH2±0．13．0g·l－124h．1eNaCl01%qe18．9810．44mg·g－1NaCl1%—3%．NaClNa+D-SO－3．NaCl1%4．1apHbcdeNaClFig．1EffectsofapHvaluebbiosorbentdosagecinitialdyeconcentrationdtemperatureeNaClconcentrationonthebiosorptionofAcidYellow2Gbyaerobicgranularsludge2．2LangmuirFreundlichTemkin．Langmuir．113029Ceqe=1Q0b+CeQ02Q0mg·g－1bl·mg－1．Langmuir20±1℃、35±1℃50±1℃2GQ0b1．Langmuir．1Langmuir0．8492—0．9167Langmuir．Freundlichqe=KFC1/ne3KFmg·g－1·l1/n·mg－1/nn．lnqe=lnKF+1/nlnCe4Freundlich20±1、35±150±1℃2G．KFn1．135℃n1n1．Freundlich．0．891—0．9441LangmuirFreundlich．Freundlich．Freundlich19．Temkinqe=BlnA+BlnCe5B=RT/bTKR8．314J·mol－1·K－1AB．Temkin1．B35℃．Temkin0．9891—0．9938．Temkin．12GTable1IsothermconstantsforthebiosorptionofAcidYellow2Gonaerobicgranularsludgeatvarioustemperature/℃203550Q0mg·g－1－32．26－21．41－28．99Langmuirbl·mg－1－0．057－0．072－0．039R20．91670．84920．8792KFmg·g－1l·mg－11/n1．8560．9711．288Freundlichn0．7801．5850．851R20．94410．9010．891Al·mg－10．4640．3890．338TemkinB19．6325．5317．49R20．99360．99380．98912．32G．Lagergren62G1131lgqe－qt=lgqe－k1t2．3036qtqetmg·g－1k1min－1．HoMcKay24tqt=1k2q2e+1qet7k2g·mg－1·min－1．、lgqe－qttt/qt2a—d．．22GabcdefFig．2KineticmodelsforbiosorptionofAcidYellow2Gbyaerobicgranularsludgeatdifferentinitialconcentrationanddifferenttemperaturesaandbpseudo-first-ordermodelcanddpseudo-second-ordermodeleandfintraparticlediffusionmodel0．9790—0．9970qecalqeexp．Lagergren30—50min25．0．9996qecalqeexp．k2．11322920．2G．21．qt=kintt1/2+C8kintmg·g－1·min－1/2C．2ef．．kintC．R20．9516—0．9813．．2efkint．C．2efkintC．24-22．2．4ΔG0293、308323K－5．14、－5．13－4．65kJ·mol－1ΔH0－9．84kJ·mol－1ΔS0－15．79kJ·mol－1·K－1．ΔG0ΔH0．ΔS0．26．2．5FTIR32GFTIR．3435cm－1N—HO—H．2926cm－1CH2．1400cm－1COO—H．1642cm－1C—OC—NⅠ．1543cm－1C—NN—H．1236cm－1C—NⅢ．1054cm－1OH．3FTIRa2Gb2GFig．3FTIRspectraofaerobicgranularsludgeabeforeAcidYellow2GbiosorptionbafterAcidYellow2Gbiosorption2GFTIR1642cm－1Ⅰ1543cm－1Ⅱ1236cm－1Ⅲ2G．3435292614001054cm－1N—HO—HCH2COOH．3434292514021051cm－1．FTIR2G62G1133．32GpHpH2．0．2GNaCl．TemkinLangmuirFreundlich．2G．2G．．FTIR2G．FTIR、2G．2G．1．2007J．2008362∶1-72AksuZ．ApplicationofbiosorptionfortheremovaloforganicpollutantsareviewJ．ProcessBiochem2005403/4∶997-10263zerAAkkayaGTurabikM．Biosorptionofacidred274AR274onEnteromorphaproliferainabatchsystemJ．JHazardMater20051261/3∶119-1274CriniGBadotPM．ApplicationofchitosananaturalaminopolysaccharidefordyeremovalfromaqueoussolutionsbyadsorptionprocessesusingbatchstudiesareviewofrecentliteratureJ．ProgPolymSci2008334∶399-4475VijayaraghavanKYunYS．BacterialbiosorbentsandbiosorptionJ．BiotechnolAdv200826∶266-2916LackeyLWMinesRO．Ozonationofacidyellow2Gdyeinasemi-batchbubblecolumnJ．JHazardMater20061382∶357-3627．4J．2007271∶69-748．J．2007263∶318-3229WangJLWangJZ．ApplicationofradiationtechnologytosewagesludgeprocessingareviewJ．JHazardMater．20071431/2∶2-710AksuZAkpinarDKabasakalEKseB．SimultaneousbiosorptionofphenolandnickelⅡfrombinarymixturesontodriedaerobicactivatedsludgeJ．ProcessBiochem1999353/4∶301-30811．J．20093010∶2995-300112TayJHYangSFLiuY．Hydraulicselectionpressure-inducednitrifyinggranulationinsequencingbatchreactorJ．AppliedMicrobiologyandBiotechnology2002592/3∶332-33713LYXuH．MechanismsofCd2+Cu2+andNi2+biosorptionbyaerobicgranulesJ．SepPurifTechnol2008583∶400-41114AdavSSLeeDJShowKYetal．AerobicgranularsludgerecentadvancesJ．BiotechnolAdv2008265∶411-42315SunXFWangSG．BiosorptionofmalachitegreenfromaqueoussolutionsontoaerobicgranuleskineticandequilibriumstudiesJ．BioresourTechnol2008999∶3475-348316AramMILimaeeNY．EquilibriumandkineticsstudiesfortheadsorptionofdirectandaciddyesfromaqueoussolutionbysoymealhullJ．JHazardMater20061351/3∶171-17917GargVKKumarRGuptaR．Removalofmalachitegreendyefromaqueoussolutionbyadsorptionusingagro-industrywasteacasestudyofProsopiscinerariaJ．DyesPigments2004621∶1-1018MallIDSrivastavaVCAgarwalNKetal．Adsorptiveremovalofmalachitegreendyefromaqueoussolutionbybagasseflyashandactivatedcarbon-kineticstudyandequilibriumisothermanalysesJ．ColloidSurfA20052641/3∶17-2819WongYCSzetoYSCheungWHe