EGSB反应器的生物特性及研究进展杜战鹏

EGSB杜战鹏　李冬雪　赵敏　马金亮(　712081)　　　　EGSB3,EGSB。,,EGSB、。　　　EGSB　　BiocharacteristicsandResearchProgressofEGSBReactorDUZhanpeng　LIDongxue　ZHAOMin　MAJinliang(CollegeofChemicalEngineering,ShanxiUniversityofScienceandTechnology　Xianyang,Shanxi712081)Abstract　EGSB,asthethirdgenerationofanaerobicreactor,isonekindofreactorshavinggoodprospects,butsomeproblemsareexisted,suchascharacteristicsonoperationanddebugging,factorsaffectingoperating,etc.Inthispapersomediscussionsareconductedonthetechni-calpropertiesofEGSB,factorsaffectiongoperationandresearchprogressathomeandabroad.Keywords　EGSBreactor　technicalcharacteristics　affectingfactor　　UASB,,。,。,3(EGSB)[1]。EGSB3,,,COD,,,。EGSB、。1　EGSBEGSB。,,,,,。1。1　EGSB1(A,B);2;3;4;5;6;7EGSBUASB,:①EGSB,(2.5～10m/h,UASB0.5～1.5m/h),40kg/(m3·d)。②,,UASB。③,,,,。[2]。④,UASB,。2　EGSB2.1　EGSBEGSB,。,:,,,l00μm,();,,;,,。:,,,,,,[3]。2.2　EGSB,EGSB、、,。(1),·8·　　　　　　　　　IndustrialSafetyandEnvironmentalProtection　　　　　　　　20063210October2006。,。,EMP,,[4]。(2),,,EMP,。,[5]。EGSB(LCFA)[6],LCFA,LCFA,,,。,,。(LCFA)UASBEGSB2。,、,EGSBLCFAUASB。LCFA,。,LCFA,。(3),,。3　EGSB3.1　2,、。,,。20℃,、,CO2pH,,,。,。2　VFA,,,,,。Rebac[7](13～20℃)EGSB,EGSB0.2m,7.5m,225.5L,760m3UASB(20-24℃)。COD282-1436mg/L,73%。16℃,2.4hHRT4.4-8.8kg/(m3·d)OLR,COD56%;20℃,HRT2.4h1.5h,OLR8.8kg/(m3·d)14.6kg/(m3·d),COD66%72%。EGSB。、EGSB,,,。Nunez[8](35℃)EGSB,,COD1440-4200mg/L,40%-60%,,、,,,。Nunez0.044m,1.4m,2.1L。(COD)15kg/(m3·d),HRT5h,COD67%,90%,85%,。,COD(70%),EGSB[15kg/(m3·d)]UASB(3.5-11kg/(m3·d)),HRT(0.2h)UASB(0.3-1.2h)。EGSBUASB。3.2　DO,DO,DO。Kato[9]2225.5LEGSB30℃。R1,R2(3.8mg/L),R2HRT(0.5-2.1h)、(OLR)[3.9-3.24g/(L·d)],COD127-675mg/L,,,,EGSB。,Vup2.5-5.5m/h,OLR,COD500-700mg/L100-200mg/L,80%。3.3　,2:,;,·9·。,(SRB),:,SRB(MPB),,MPB;,(H2S),,。COD(COD/S)pH,SRBMPBCOD/S,pH[5,10]。3.4　,,()。N、P、K、S、Ca、Fe、Co、Ni[11]。Y.Chang。Schmidt[11]Mg2+(UASB)(55℃),,Mg2+。Mg2+,Mg2+,。Goodwin[13]0.2mmol/LMg2+、0.34mmol/LCa2+EGSB。,3%～4%。。B1aylock。Mg2+B12B12,()Mg2+,,。Mg2+,。,,,。Mg2+,,。Mg2+,,,,,[14]。Mg2+,,。EGSB,、。,,,,。4　EGSB,EGSB、,。EGSB,,。EGSB,EGSB。1　,..:,2001.57762　,..:,2001.83923　WicgantWM.Granulationofbiomassinthermophilicanaerobicsludgeblanketreactorstreatingacidifiedwasterwater.BiotechnologyBioeng,1986,28:7187274　,..:,2001.53575　DriesJ,etal.Highratebiologicaltreatmentofsulfate-richwastewaterinanacetate-fedEGSBreactor.Biodegration,1998,9:1031116　,,..,2002,28(2)7　RebacS,etal.High-rateanaerobictreatmentofmaltingwastewaterinapilotscaleEGSBsystemunderpsychrophiliccondition.JchemTechBiotechnol,1997,68:1351468　MartinezB,NunezLA.Anaerobictreatmentofslaughterhousewastewaterinanexpandedgranularsludgebed(EGSB)reactor.WatSciTech,1999,40(8):991069　KatoMT.Theanaerobictreatmentoflowstrengthsolublewasterwaters.TheNetherlands:WageningenAgriculturalUniversity.199410　,..:,2001.10111711　,..,2000,18(2):81612　JESchmidt,BKAhring.Effectsofmagnesiumonthermophilicacetatedegradinggranulesinupflowanaerobicsludgeblanket(UASB)reac-tors.EnzymeMicorbTechnol,1993,15(4):30430713　DRBoore,RAMah.Effectsofcalcium,magnesium,pHandextentofgrowthonthemorphologyofmethanosarcinamazeis6.ApplEnvi-ronMicrobiol,1987,53(7):1699170014　..:,1998.5566:杜战鹏,男,1981年生,陕西西安人,硕士,主要从事轻工业废水和固体废弃物处理及其环境行为研究。(:20060217)·10·