EGSB厌氧反应器在造纸废水处理中的应用

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。EGSB周焕祥汪艳雯房爱东王志芳张本凯250101EGSB、、、。EGSB。EGSBCOD70%~80%EGSBEGSB25℃COD60%1.8/t。EGSB厌氧反应器;商品浆;造纸废水;废水处理X793B1671-4571201302-0097-04。、、。《》GB3544-2008201171COD80mg/L。2013、、、“”CODNH3-N60mg/L、10mg/L。SS、COD。。++COD150~200mg/L、、、。、。EGSB、、、1-5。EGSB。11.110t4000m3/d10000m3/d。、、、COD1500~3000mg/L。1。Q=10000m3/d24hQh=416.7m3/hQmax=500m3/hKh=1.20。79《》20133221CODCr/mg·L-1SS/mg·L-1pH2200~2400180~2006~9EGSB≤700≤806~9≤60≤306~91.2。1、23。。、EGSB。。、。EGSBCH4。“”。1。11.3、2。2/m/135×8×52444HRT=6h29×4×4.513213EGSBΦ8×2022012210~15kgCODCr/m3·d410×10×5232EGSB2.12EGSBCODCrCODCrCODCrCODCr2250mg/L。8CODCr50%~60%CODCrCODCr75%~80%。11CODCr。2CODCr2.26。330℃CODCr89PaperScience&Technology2013Vol.32No.280%1125℃30℃。25℃CODCr60%。25℃。3CODCr2.3VFACODCr4CODCrVFAVFAVFA。VFA、CODCr。4CODCrVFA。3EGSB+9500m3/dCODCr2200~2400mg/L、EGSB。3。CODCrEGSB。CODCr70%~80%《》DB37/599—2006。3mg/LCODCr2300199865255SS1871507229VFA7.117.23.6-4、。、pH。、。4。4/·t-1/·t-10.130.140.110.122.130.700.080.000.420.22PAC0.900.00NaOH0.000.550.130.083.901.81。5000m3/d21。467%CODCr。1.00/t。5EGSB99《》20133221CODCr70%~80%。2EGSBCODCr800mg/L。3EGSB。25℃CODCr60%。41.8/t。1.EGSBJ.2010368108-112.2.EGSBJ.2008341168-71.3.EGSB/J.2011271475-80.4.EGSBJ.2011377130-136.5.EGSBJ.201025342-46.6.J.2011321630-33.ApplicationofEGSBAnaerobicReactorsinPulpandPaperEffluentTreatmentZhouHuan-xiangWangYan-wenFangAi-dongWangZhi-fangZhangBen-kaiShandongLvquanEnvironmentalEngineeringCo.Ltd.Jinan250101ShandongChinaAbstractEGSBanaerobicreactoriswidelyusedintreatingsewageofhighconcentrationandgoodbiodegradabilityinfoodfermentationbeerdrinksstarchmonosodiumglutamatepaper-basedsemi-chemicalpulpandmechani-calpulpindustries.ButEGSBreactorhasn’tbeenusedinwastewatertreatmentofmarketpulpindusty.ThispapertakestheproductionwastewaterofacommercialpulpandpaperenterpriseinShandongprovinceasresearchobjectandexplorestheoperationsituationoftheEGSBanaerobicreactorsprocessingcommercialpulpandpaperwastewater.TheresultsshowthatEGSBanaerobicreactorhasbeensuccessfullyusedincommercialpulpandpa-pereffluenttreatment.ThetreatmenteffectisgoodandstableandCODremovalrateisabove70%~80%.Mean-whileEGSBanaerobicreactorhasastrongabilityagainstloadingshock.EGSBanaerobicreactorcanrunwellatlowtemperaturewhenthewatertemperatureisbelow25℃CODCrremovalefficiencyremainesat60%.Afteran-aerobicsystemrunningtheoperatingcostgreatlyreducesto1.8yuan/t.Andbiogasproducedbyanaerobicfer-mentationcanbeusedforpowergenerationtorealizingenergysaving.KeywordsEGSBanaerobicreactormarketpulppapermakingwastewater檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷檷wastewatertreatment(上接第55页)ApplicationStudyofChitosanandGuarGumonLicoriceResiduePaperSheetXuManTianYing-ziChenChaoWangQing-qing(StateKeyLaboratoryofPulpandPaperEngineering,SouthChinaUniversityofTechnology,Guangzhou,510640,Guangdong,China)Abstract:Cationicguargumandthreekindsofchitosanwithdifferentmolecularweightwerechosenasadditivesinlicoriceresiduepapersheet.Theeffectsofaddingdifferentadditiveswithdifferentdosageonthedynamicdrainage,singlepassretention,Zetapotentialandbeatingdegreeoflicoriceresidueslurrywereinvestigated.Theresultsindi-catethatthedrainage-aidandretention-aideffectsofchitosan,eepeciallythechitosanwithhighdegreeofdeacety-lation,arebetterthamthoseofcationicguargum.Asthedosageof2#chitosanwas0.4%,thedrainage-aidandre-tention-aidresultforlicoriceresidueslurrywasthebest.Adding4kindsofadditiveswithdifferentusage,byanaly-zingthechangesofphysicalpropertiesoflicoriceresiduepapersheet,itcanbefoundthatadditionoftheadditivescouldimprovethebulkofthesheetanddecreasethetensilestrength.As0.4%of2#chitosanwasadded,theresul-tedsheethadabulkof4.74cm3/g,asuitabeburningrateandsmallernegativeimpactonthesheetproperties.Keywords:chrition;guargum;retentionanddrainage;licoriceresiduepapersheet001PaperScience&Technology2013Vol.32No.2

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