固定化PSB处理亚硫酸钠造纸废水

2001,21(4)351~354ChinaEnvironmentalSciencePSB,,(,030024)(SBR)(PSB)..,CODCr70%,75%.,PSB,,,,,.(PSB)(SBR)X703.1A10006923(2001)04035104ImmobilizedPSBfortreatmentofsulfitepapermakingwastewater.YANGYun-long,XUERong,WUGuo-qing(CollegeofCivilandEnvironmentalEngineering,TaiyuanUniversityofTechnology,Taiyuan030024,China).ChinaEnvironmentalScience.2001,21(4)351~354AbstractInordertoenhancetheremovalrateofcompoundshardtobebiodegraded,immobilizedPSBandheterotrophicbacteriahavebeenputintoSBRreactor.Effectivedominantbacteriahavebeenimmobilizedonacclimatedactivatedsludgewithaccumulationandcross-linkingimmobilizationmethodtotreatsulfitepapermakingmixedwastewater.Theresultsindicatethatundertheaerobicreaction,CODCrremovalrateisabout70%andthatofligninis75%.Ascomparedwithconventionalbiochemicalmethod,ithasbettereffect,fasterstarting,betterimpactloadingresistance,lessduration,moreconvenientoperationandcontrol;andhasbroadapplicationprospectinactualengineering.Keywordsimmobilizedpurplenonsulfurphotosyntheticbacteria(PSB)sequencingbatchreactor(SBR)sulfitepapermakingwastewater,,,[1].,,.(PSB),COD;,[2],.11.1(PSB)6,.,.CODCr710~970mg/L,326~384mg/L,SS937mg/L,pH8~9;CODCr3759~4200mg/L,2531~3100mg/L,pH8~9.1.2721(420nm);YS158DO;pH2pH;.1,,100mm,500mm,3L,.,,1h,6~8h,3h,20~30.1.3,,.2000122835221CODCrSVMLSSBOD5[3];[5].1Fig.1Testunitandflowsheet1.2.3.PSB-SBR4.5.22.12.1.1PSB..PSB,30,0.15,0.35,1.10,1.30mg/g.PSB,.2.1.2PSBCODCr150mL8,PSB1g,50mL,,24CODCr,2,3(9447mg/L).2,PSB72h,CODCr,80.5%;,74.5%.,.3,PSB,24h48h72.5%100%.6,Kc4548h73.5%,520%,PSB.2PSBCODCrFig.2TheremovalrateofCODCrinthesulfitepaperwastewaterbyPSBindifferentlivingcondition3PSBFig.3TheremovalrateoflignininthesulfitepaperwastewaterbyPSBindifferentlivingcondition2.22.2.1CODCr4.4CODCrFig.4TheremovalrateofCODCrinstableoperationconditionCODCODCOD12344020406080100%24h48h72h24h48h0200400600800100013579111315dCODmg/L020406080100%020406080100%4PSB3534,CODCr710~970mg/L,CODCr150~350mg/L,70%,,8h,.0.474~1.23kgCODCr/(kgMLSS·d),,,0.963kgCODCr/(kgMLSS·d),CODCr.0.963kgCODCr/(kgMLSS·d).2.2.25.,,5,PSB.326~384mg/L,67~192mg/L,75%,83%.5Fig.5Theremovalrateoflignininstableoperationcondition2.2.3PSBSBR,,.,,.,(MPN)[4]PSB,,PSB,,1.4×1011/mL.2.2.4PSBSBRSBRPSB,(108~109/mL),,,PSB6,SBR.,PSB,,PSB.PSB,PSB-SBR,.SBRPSBSBR1.1SBRPSBSBRTable1ThetreatmentofsulfitepaperwastewaterbyactivatedsludgeSBRandimmobilizedPSBSBRSBRPSBSBRCOD(mg/L)40034003CODCr(mg/L)23461325CODCr(%)41.466.9(mg/L)21892189(mg/L)499449(%)77.279.51,,PSBSBRCODCr.PSBSBR,1/3~1/4,DO.PSBSBR,,60,,pH10,pH7~8.,.33.1PSB,,COD70%,350mg/L.3.2PSBSBR,,01002003004000246810121416d%020406080100%354211/3~1/4,DO.3.3,,60,,pH10,pH7~8.,,.[1],,.[M].:,1988.[2],,.X-3B[J].,1994,15,(5):4952.[3].[M].:,1979.[4],,.[M].:,1990.[5],,.TTC[J].,1994,21(1):4549.(1953),,,,.15.251,,.,,6500.?,?LuannBeckerRochesterRobertJ.Poreda.PT,(),[Science,291,1530(2001)],,3He4He100..Becker,.,.Chemical&EngineeringNews,February26,9(2001)(IPCC),,,.427IPCC32,.,..,100,.,.LonnieG.Thompson,1912,82%.,15,.Chemical&EngineeringNews,February26,10(2001)