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(IC)杨爽 张雁秋( 221008) ICUASB3,、、、。IC,(MIC)。 IC MICDiscussionsonInternalCirculation(IC)ReactorYangShuang ZhangYanqiu(CollegeofEnvironmentandSpatialInformatics,CUMT Xuzhou,Jiangsu221008)Abstract Internalcirculation(IC)reactoristhethirdgenerationofanaerobicreactordevelopedbasedonUASBreactorwithhighefficiency,lowenergyconsumption,lowcostandspaceoccupying,andsoon.Inthispaper,somecharacteristicsofICreactoraredescribed,andonekindofICreactordevelopedinChinaisintroduced,thatismultiinternalcirculation(MIC)reactor.Keywords anaerobic ICreactor hydraulicmodel dynamicmodel MICreactor (InternalCirculation,IC)PAQUES20803。ICUASB。UASB,、、、,,。1 IC1.1 IC1。ICUASB,,,16～25m,UASB4,4～8[1]。5(1):、1、2、。IC,、、。IC,,。。1.2 ,。,COD,1。COD,,,,,,。12,2。2COD,,,。1 IC11;2;3;4;5;62;7;8;9;10;111;1222 IC:①;②。UASB。:,UASB,,·12· IndustrialSafetyandEnvironmentalProtection 2005318August2005,,。,,,。,UASB,,。UASB,,1～2m/h,6m[2]。UASB,UASB3,“”,。,,,UASB,,,,,;3IC,。,。ICUASB2～5,,ICUASB2～5,UASB。,3UASB2。3 ICIC,,,。[3]:εgr=ULr[1.35+0.24(ULr+Ugr)0.93] ULr,m/s; Ugr,m/s。0.15m,10.5m,0.07～3.5m/s0.3～2.7m/s。IC,:ULr=2ghD(εgr-εgd)-ΔHKT(1-εgr)2+ArAd2KB(1-εgd)20.5 εgr,%; εgd,%; ΔH,m; hD,m; KT; KB; Ar,m2; Ad,m2。IC。IC,,。4 ICIC[4]:Se=Si1+K1Xmθ+VsQ+Q/Rexp(-K2Θ) Se,mgCOD/L; Si,mgCOD/L; Xm,mgVSS/L; θ,h; Θ,h; Q,L/h; R; Vs,L; K11,h-1; K21,h-1。IC,,:(1)1,2。(2)21,21。(3),,,。(4),。5 IC(MIC)IC,。,IC。,IC[5],IC(MIC)。2。MIC8m,23m,1100m3,800m3。,,1,2。,2,。。,MIC,IC。,·13·2 MIC1;21;3;42;5;6;7;8;9;10、、、、,,BOD5/COD=0.6。15。2MIC、ICUASB。2,,MIC20kgCOD/(m3·d),12h,COD90%;IC13～16kgCOD/(m3·d),UASB8kgCOD/(m3·d),30d,MIC2.5～5。1 COD/(g·L-1)BOD/(g·L-1)pH/℃TN/(mg·L-1)TP/(mg·L-1)1[6]1063～560～702[7]20～3612～203.8～4.8373[7]20124～565～80110～120110～1404[8]15～30205 5163.45[9]8～125～63.5～5.560～702 MIC、ICUASB/m3/mCOD/(g·L-1)BOD/(g·L-1)pH/[kgCOD·(m3·d)-1]HRT/hηCOD/%/℃[9]MIC80088～125～63.5～5.520129060～70[10]IC1560227～12 513～16 79.8530～35[11]UASB450 2065.388609060～70[7]UASB6 20～3612～203.8～4.883090[6]UASB122889.81063～583292～9360～706 IC,:,,,,,,。MICIC,IC,,“”,、、、、,。1 ..,1999,17(2):3～62 ,,,.(IC).,2001,19(1):27～293 ,,,.(IC).,2001,17(1):26～294 ,,,.IC.,2004,22(2):18～215 ,,.(IC).,2004,23(1):40～436 ,,,..,2002,18(9):69～707 ,,,.UASB.,2000.1608 ..:,1996.3629 ,,,.(MIC).,2002,20(4):24～2710 .IC.,2000,13(3):21～2311 ,,..,2001,27(7):54～56 杨爽,女,1980年生,河北辛集人,环境工程专业2003级在读硕士,研究方向为城市污水处理。(:20050117)·14·