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IC辜清,罗海霞,张悦,刘敏(,610065)[]IC,,3∶1,IC。,COD。COD8000mg/L,,0.43、0.21m3/(kg·d);pH6.0~7.5,ORP-300mV,,。[]IC;;[]X703.1[]A[]1005-829X(2013)04-0025-03Studyonthestart-upofinternalcirculation(IC)anaerobicreactorunderexternalcirculationstateGuQing,LuoHaixia,ZhangYue,LiuMin(SchoolofArchitectureandEnvironment,SichuanUniversity,Chengdu610065,China)Abstract:Toincreasetheup-flowvelocityofICanaerobicreactoratthebeginningofstartingupstageandimprovethemasstransferfunctionbetweenwaterandsludge,ICreactorhasbeenputintooperationwhentherefluxratiois3∶1.TheresultsshowthatthereactorcanachievehigherCODremovalrateinacomparativelyshorttime.Thegasproductivityeffectandmethaneproductivityeffectofthereactorreachthemaximum,namely0.43m3/(kg·d)and0.21m3/(kg·d),respectively,whenitsCODis8000mg/L.WhentheeffluentpHis6.0-7.5,andtheeffluentORPisabout-300mV,thealkalinityofeffluentishigherthanthatofinfluent.Thus,granularsludgeiscultivatedsuccessfully.Keywords:internalcirculationanaerobicreactor;externalcirculation;refluxratio(IC)PAQUES2080UASB〔1〕。、、〔2〕。IC,,。IC,,〔3〕。,IC〔4-6〕。IC,,,。11.11。1,,50L,2.4m。15cm,25cm,15L,10L,25L,--,(35±1)℃。[](2011AA060905-4)33420134IndustrialWaterTreatmentVol.33No.4Apr.,2013251.210L,,SS151g/L,VSS49g/L。,COD1000mg/L,10d,。,m(COD)∶m(N)∶m(P)1000∶5∶1,、、、、、。1.3;pH、ORPWTWpH/oxi340i;LMF-1;COD5B-3(D)COD;〔7〕。1.4,COD3000mg/L30L,3∶1,0.5m/h。CODCOD4000mg/L,2000mg/LCOD,COD10000mg/L。,Na2CO3,pH7.0。22.1CODCODCODCOD2。2CODCOD2,,COD,COD。COD3000~6000mg/L,COD70%~80%。3,COD88.8%。29,COD8000mg/L,9.6kg/(m3·d),COD67.2%。48,COD10000mg/L,12.0kg/(m3·d),COD65.0%。IC,COD,COD,COD,IC。,,;,。2.2CODCOD3。3COD3,,COD,。COD3000mg/L6000mg/L,23.6、10.5L/d53.4、31.0L/d;COD6000mg/L8000mg/L,,102.3、49.7L/d;COD10000mg/L,117.6、57.2L/d。Na2CO3,,,,。COD,COD4000、8000mg/L,COD8000mg/L,,0.43、0.21m3/(kg·d)。2013-04,33(4)262.3pHICpH4。4pH4,pHNa2CO39.0~12.0,pH6.0~7.5,pH;,,。2.4ORPICORP5。5ORP5,COD,ORP-50~50mV,ORP-300mV,IC,,。53d,SS、VSS151、49g/L54、29g/L,VSS/SS0.320.52,,。,,,1~2mm,3mm。,,。3(1)3∶1,COD,COD,65%;。COD8000mg/L,,,0.43、0.21m3/(kg·d)。pH6.0~7.5,ORP-300mV,。(2)53d,,1~2mm,,,。(3)IC,,,。[1]LettingaG,FieldJ,vanLierJ,etal.Advancedanaerobicwastewatertreatmentinthenearfuture[J].WaterScienceandTechnology,1997,35(10):5-12.[2],,,.IC[J].,2011,5(2):352-356.[3],.IC[J].,2004,22(4):29-31.[4],,,.IC[J].,1998(4):22-24.[5]HabetsLHA,EngelaarAJHH,GroeneveldN.Anaerobictreatmentofinulineeffluentinaninternalcirculationreactor[J].WaterSci-enceandTechnology,1997,35(10):189-197.[6]DriessenW,YspeertP.Anaerobictreatmentoflow,mediumandhighstrengtheffluentintheagro-industry[J].WaterScienceandTechnology,1999,40(8):221-228.[7].[M].4.:,2002:120-124.———————————[](1986—),。:18728443371,E-mail:guqing1100@163.com。:。E-mail:liuminscu@163.com。[]2012-12-20()2013-04,33(4),:IC27
本文标题:IC厌氧反应器在外循环状态下启动的试验研究辜清
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