UASB反应器中颗粒污泥形成的影响因素406980bb312b3169a551a4a1

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20018                                   Aug.2001 284            YunnanChemicalTechnology              Vol.28,No4 ··UASB张丽杰,陈建中(,650093) : UASB,、,。: UASB;;;: X703   : A   : 1004-275X(2001)04-0011-03InfluenceFactorsofSludgeGranulationinUASBZHANGLi-jie,CHENJian-zhong(KunmingUniversityofScienceandTechnology,Kunming650093,China)Abstract: InfluncefactorsofsludegranulationinUASB,includingenvironment,charactersofsewageandcondi-tionsofoperationweresummerized.Thenewtrendsinthefieldwerepoimtedout.Keywords: UASB;granulationsludge;influencefactors;development1 ,。2040,,1970sLettinga(UpFlowAnaerobicSludgeBed,UASB)。UASB、、、、。UASB、,,。,。2 ,。,,,:、。:2.1 2.1.1 ,,,(16~25℃)UASB、(30~40℃)UASB、(50~60℃)UASB。UASB,[8]。[9],UASB,。,70d,COD80%。,[8],,COD90%。UASB[4,5,6],35±1℃,,1~3。UASB、UASB、,。UASB,NH3,。、、[7]。2.1.2 pHpHpH。,pH,pH,6.5~7.8。pH,,pH。pH。pH,pH,pH。,pH,pH,,。,,,[12];,Na2CO3、NaOH、Ca(OH)2、NaHCO3,,pH。,,。2.1.3 [1],。UASB,、、。,C、N、P。,,C∶N∶P=130∶5∶1;C∶N∶P=1000∶5∶1~330∶5∶1。,。,。,Fe、Co、Ni,。,。,FeCl2·4H2O,CuCl2[10]。,,。2.2 UASB。2.2.1 COD,UASB,COD5000mg/L[3]。COD,。,COD,。,,。[3],,,,。,,,。2.2.2 ,,,,。UASB。300mg/L[1],,UASB。,,,、。,。2.2.3 ,。,,。,(、、)、。、pH·12·                 20014 。,[13],,pH7,1%,pH8,10。,,,。UASB,。,。2.3 ,,。,,。UASB,,。,()。,。,1~2,[4]。,,。VFA,,0.5~1.5kgCOD/(m3·d)0.05~0.1kgCOD/(m3·d)[1]。,。,。,,,。COD80%,。VFA,,0.3kgCOD/(m3·d),,0.67kgCOD/(m3·d)。,,,,。3 UASB,,UASB:[11],[10],,、[2]。UASB,。[1] .[M].:.1998,42-56.[2] ,,.UASB[J].,1996(3):12-14.[3] ,,.UASB[J].,1992,13(6):33-38.[4] ,,.[J].,1992,12(6):405-408.[5] ,,.UASB[J].,1994,14(1):113-118.[6] ,.UASB[J].,1996,17(2):54-56.[7] .[M].:.1991,68-115.[8] ,,.(UASB)[J].,1994,15(1):50-52.[9] ,.UASB[J].,1997,23(5):306-308.[10] .[J].,1992,1:12-17.[11] ,,.[J].,1993,13(5):334-338.[12] ,.UASB[J].,1996,22(4):22-25.[13] HidekiHarada,ShigekiUemura,KiyoshiMomonoi.Interac-tionBetweenSulfateReducingBacteriaandMethaneProduc-ingBacteriainUASBReactorsFedwithLowStrengthWastesContainingDifferentLevelsofSulfate[J].WatRes,1994,28(2):335-367.(:2001-04-04) ·13· 20014         :UASB

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