高浓度木糖醇生产废水的厌氧中试研究郑攀峰

4624201812GuangzhouChemicalIndustryVol.46No.24Dec.2018112117100822710072O＆IC。COD4741pH6.361∶21∶3。ICCOD78.6%～83.6%pH7.65～8.16。X703A1001－9677201824－0068－031980－。1979－。AnaerobicPilotStudyonWastewaterfromHighConcentrationXylitolProductionZHENGPan－feng1QINPeng－fei1LIQiu－ge2WANGMeng－qi11ChinaUnitedNorthwestforEngineeringDesign＆ＲesearchCo.Ltd.ShaanxiXi'an7100822SchoolofMaterialsScienceandEngineeringNorthwesternPolytechnicalUniversityShaanxiXi'an710072ChinaAbstractTheanaerobicexperimentwascarriedoutonthepretreatmentwastewaterfromaxylitolproductionwastewatertreatmentstationbyusingtheexternalcirculationauxiliaryinternalcirculationanaerobicreactorO＆IC.TheCODandpHofthepretreatedrawwastewaterwere4741and6.36.Afterstabledebuggingtheratioofrawwatertobackflowwaterwasadjustedby1∶2and1∶3forsamplingtest.TheresultshowedthataftertreatmentbyICreactortheCODremovalrateofsewagebasicallyremainedbetween78.6%and83.6%andpHvaluewasalsobetween7.65and8.16.Thevelocityofthewastewaterandtheimpactresistanceoftheequipmentraisedasincreasingrefluxratiowhichpresentedgoodstabilityandremovaleffect.Keywordsanaerobicxylitolhydraulicmodel、、、、、、、、、。、。1。、、2－4。InternalCirculationIC2080PAQUES、、、。16～25mUASB45。。。11.1IC。1976Hills0.15m10.5m。εgrugrulr12εgy=ugr0．24+1．35ugr+uly0．931ulr=2ghDεgr－εgd－ΔhKT1－εgr2[]+KBArAd()211－εgd2[]{}0．52εgrugrm/sulrm/s。Pereboom1994ulr2Pereboomεgr462469ulr63ulr=2ghDεgr－εgdKT1－εgr2[]+KBArAd()211－εgd2[]{}0．53hDmΔhmKB/TAr/dεgd%。IC。1.2O＆ICO＆IC12000cm50cm360L4～86、1、2、、。O＆IC、、。WMZK－0135±1℃。1O＆ICFig.1O＆ICanaerobicreactorICCODCODCOD。、。。。。1.3UASB1。UASBCOD1700mg/LSBＲ。IC。ICTSS70g/L。1m372h。1ICTable1WaterqualityanalysisofwastewaterbeforeandafterICtreatment/mg/LIC/mg/LCOD4741858BOD2841326NH3－N6551TP9.621.5pH6.367.62SS900236SO2－4227193Cl－109010558006401.4pHCODCOD。22.1O＆IC0.5℃/h37±1℃50L/h24h50L/h100L/h2～4h14h40L/h120L/hCODpH2。2O＆ICTable2O＆ICexperimentaldata/hCOD/mg/LpHCOD/%09718.0179.5049717.8979.5069827.9079.3088917.9181.201210167.9278.60149937.7779.10189937.5479.10209487.6680.00229267.7980.50249148.0180.70269037.9381.00299147.6580.70317798.1683.608888201812。ZQM2017ZQM2017DNS。1.、J.2009497896－901.2.D.2009.3.J.20086493－496.4.J.2008351107－111.5.J.2002119－22.6.ZQM2017J.2017451641－43.7.J.2003164－67.8ZehuaFengMengyingLi.PurificationandcharacterizationofagarasefromＲhodococcussp.Q5anovelagarolyticbacteriumisolatedfromprintinganddyeingwastewaterJ.Aquaculture2013372－375.9SuganoYTeradaIAritaMetal.PurificationandcharacterizationofanewagarasefromamarinebacteriumVibriosp.strainJT0107J.AppliedandEnvironmentalMicrobiology19935951549－1554.10.Agarivoranssp.FG15J.201433217－22.11.J.2008311134－35.12.DNSJSD－1CMCJ.2015363156－162.13.DNSJ.2011395393－395.14.DNSJ.2004282－84.15.、D.2012.16.DNSJ.20104115－118.17.J.201439410－14.18KristineＲoseMＲamosKrisNioGValdehuesaGraceMNisolaetal.Identificationandcharacterizationofathermostableendolyticβ－agaraseAga2fromanewlyisolatedmarineagarolyticbacteriaCellulophagaomnivescoriaW5CJ.NewBiotechnology201840.19.JMUAZ5J.201616161－68.20.J.201737146－52.檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵692.22IC1∶21∶3ICCOD78.6%～83.6%pH7.65～8.16、。ICUASB。3IC。O＆ICICIC。UASBO＆IC。O＆IC。CODCr/SO2－42SO2－4＜2000mg/LCl－＜4500mg/L。O＆IC80%。O＆IC。1.－J.199313113－16.2.J.2013638121－123.3.、J.19962130－33.4.J．200119419－22.5.ICJ.200117126－29.6JHPereboomTLFMVereijken.MethanogenicgranuledevelopmentinfullscaleinternalcirculationreactorsJ.WaterSciTechnol19943089－21.