EGSB厌氧反应器在造纸废水处理中的应用周焕祥

。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《》2013322DOI:10.19696/j.issn1671-4571.2013.02.0211CODCr/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