改良型UASB反应器处理甘薯酒精废液研究杨俊仕

:2009-09-07　　:2009-09-28:(1954-),,,,E-mail:[e-mail]杨俊仕,周后珍,李国欣,李旭东(,610041)　:,UASB。COD36720～43890mg·L-1,SS8370～11400mg·L-1。COD28.86～34.5kg·m-3d-1,,COD92%～93%,COD0.55m3·kg-1,SS90.7%。:UASB;UASB;;SS;;:X703;S216.4　　:A　　:1000-1166(2009)06-0003-04StudyonTreatmentofDistilleryWastewaterfromSweetPotatobyImprovedUASBReactor/YANGJun-shi,ZHOUHou-zhen,LIGuo-xin,LIXu-dong/(ChengduInstituteofBiology,ChineseAcademyofSciences,Chengdu610041,China)Abstract:Anewprocess,thatdistillerywastewaterfromsweetpotatowastreatedhighefficientlyandstablybyanimprovedUASBreactor,wasstudied.Thechemicaloxygendemand(COD)andsuspendedsolid(SS)concentrationofthewastewatertypicallyrangedbetween36720～43890and8370～11400mg·L-1,respectively.Undertheconditionofmesophilicdigestion,CODloadingrates(ORLs)of28.86～34.5kg·m-3d-1,CODremovalefficiencieswerestably92%～93%andthatofsswerehigherthan90.7%.BiogasproductionrateofCODwasupto0.55m3·kg-1.Keywords:distillerywastewaterfromsweetpotato;improvedUASBreactor;distillerywastewaterfromsweetpotato;highsuspendedsolids;highorganicloadingrate;highremovalefficiency1　　　　,,[1],(UASB)(IC)[2～3]。、、,。(SS)4000mg·L-1,[4]。1984,Guiot(UBF)[5～6]UASB,,SS4000mg·L-1[7]。,、SS,SS50%～70%。SS,,[8,9]。UASB,,[10],COD12000～25000mg·L-1,COD20kg·m-3d-1,,SS1000～2000mg·L-1,。SS,UASB(ASBR)UASB。ASBR90lowaRichardR.Dague“”[11],SS[12],,。,,3ChinaBiogas2009,27(6),,COD10kg·m-3d-1。UASB,。UASB,,SS,。2　2.1　试验用甘薯糟液。,、,,[13,14]。UASB。1。1　COD(mg·L-1)54000～6450036720～43890VAF(mg·L-1)3200～41003200～4100(mg·L-1)1500～17001460～1650SS(mg·L-1)27000～380008370～11400pH3.4～4.13.4～4.1NH3-N(mg·L-1)480～620480～620TP(mg·L-1)470～580470～5802.2　分析方法2。2　　　　CODCrVFASP-2100-DNSSSpHSJ-3FNH3-NTPLML-10——2.3　试验装置UASBUASB。Υ×H=18×120cm,30L,22.9L,6.67∶1,PVC。、、。,,65cm,55cm;。,。1。1　UASB2.4　反应器接种物,58%,30g·L-1。。UASB35℃±3℃。3　3.1　反应器的启动与污泥培养,。3.1.1　保障厌氧微生物的营养[15]、,,,。,,()100mg·L-1CaO,。,。CaO,。3.1.2　pH和碱度的控制pH,。pH,。pH6.0～6.8,pH7.1～7.7。,。[16]3000～8000mg·L-1。800～1000mg·L-1,,,3100～3600mg·L-1。4ChinaBiogas2009,27(6)3.1.3　进水SS的控制SS8370～11400mg·L-1,,,。,,,。(2),,SS3000～5000mg·L-1,2,。95,50%～60%,1～3mm,COD34.5kg·m-3d-1,COD93%。SS,10。,COD28.86～34.5kg·m-3d-1,COD92%～93%,,,,[7]SS。3.1.4　反应器容积负荷提升的控制,,。,3:,。COD1.5kg·m-3d-1,COD,14,COD7600mg·L-143890mg·L-1,HRT12229。90,COD34.5kg·m-3d-1。COD2。,pH7.1～7.7,VFA450mg·L-1,COD80%,2000mg·L-1。　　CODVFA。,VFA450mg·L-1315mg·L-1,COD80.5%85.2%;,VFA315mg·L-185mg·L-1,COD92%～93%;,VFACOD。CODVFA3。3.2　重要指标在运行周期内的变化SBR,,、、、。UASB,、、SBR,,。VFA,COD,SS3。　　3,COD,2h,COD;3h7h,,COD。COD0.55m3·kg-1。,。VFA2h,,,COD。,VFA。3h,SS5h,,SS,。6h,、COD、SS。5ChinaBiogas2009,27(6)3　COD,SS　1h2h3h4h5h6h7h/L039.041.019.07.04.02.01.0COD/mg·L-113846.610336.06136.84284.33543.73401.03352.33309.7VFA/mg·L-11691.71794.11603.1876.6285.1160.784.468.7SS/mg·L-1331003350033800287001740032001060280　　:1.;COD,VFASS103,;2.COD,SSVFA。　　UASB4。4　UASB　　/%CODCr/mg·L-136720～438902654～338092～93SS/mg·L-18370～11400720～106589～91.5BOD5/mg·L-120200～24140850～128094～96NH3-N/mg·L-1480～620248～32546～48.3TP/mg·L-1470～580208～26752～55.8VFA/mg·L-13200～410080～8696～98S2-/mg·L-1078.5～106.4—/mg·L-1800～10003100～3600—pH6.0～6.87.1～7.7—COD/kg·m-3d-128.86～34.5/m3·m-3d-114.72～19.3COD/m3·kg-10.59～0.61/%CH4:61～66,CO2:29～33,:64　(1)UASBSS,SS。(2)95,,。COD36720～43890mg·L-1SS8370～11400mg·L-1,4,HRT29,COD28.86～34.5kg·m-3d-1,10,SS,COD92%～93%,。(3)CODVFA。,COD,COD。,,,。,,VFA,,VFA,COD。(4),。,,COD[16]。,COD,。,,,COD,VFA。,。,pH7.1～7.7,3000mg·L-1,VFA100mg·L-1,COD0.55m3·kg-1,COD,。:[1]　McCarty,PL.“OneHundredYearsofAnaerobicTreat-ment”,AnaerobicDigestion1981.Proc.ofthe2ndIn-ternationalSymposiumonAnaerobicDigestion[G]//Elsevier,Amsterdam,1982:3-22.[2]　LettingaG,etal.UseoftheUpflowSludgeBlanket(USB)ReactorConceptforBiologicalWastewater-Treatment,EspeciallyforAnaerobicTreatment[J].Bio-technologyandBioengineering,1980,22(4):699-734.[3]　,.[M].:.2004.[4]　LettingaG,etal.High-RateAnaerobicWastewater-TreatmentUsingtheUASBReactorunderaWide-RangeofTemperatureConditions[J].BiotechnologyandGenet-icEngineeringreviews,1984,2:253-284.(14)6ChinaBiogas2009,27(6),,。、,,,、、。,、,,。3.3　加强对农业CDM相关问题的深入研究,,CDM,。,,,。,。、、、、、。,,,,,。3.4　大力宣传农业CDM,对相关人员进行专门培训,CDM,CDM。CDM,,,CDM,CDM,CDM。、、,,CDM,,,。:[1]　,.[M]..2006.[2]　[3]　.,[J].,2007,25(20):85.[4]　,.[EO/BO].ht-tp://ch.undp.org.cn/modules.php?op=modloadname=Newsfile=articlecatid=14topic=21sid=69mode=threadorder=0thold=0.2004-11-09.[5]　Zachwilley,BillChameides.Harnessingfarmsandfor-estsinthelow-carboneconomyhowtocreate,measureandverifygreenhousegasoffsets[M].Dukeuniversitypress.2007.[6]　DelgadoaJA,ShafferbMJ,LalcH,etal.AssessmentofnitrogenlossestotheenvironmentwithaNitrogenTradingTool(NTT)[J].Computersandelectronicsinagricul-ture,2008(63):193-206.[7]　,,,.[M]...2008.[8]　.:“”[J].,2006,46:56-59.(6)[5]　GuiotSR,VandenBergL.Performanceandbiomassre-tentionofupflowanaerobicreactorcombiningasludgeblanketandfilter[J].BiotechnologyLetters,1984,6(3):161-164.[6]　GuiotSR,VandenBergL.PerformanceandBiomassre-tentionofupflowanaerobicreactorcombiningasludgeblanketandfiltertreatingsugarwaste[J].BiotechnologyandBioengineering,1985,27(6):800-806.