IC反应器处理红薯酒精废水的影响因素研究夏伟

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6,,。、、、、、、。———(),()、、、[1]。、、,。:DDGS、-、、。DDGS,DDGS,。,,,,,,,。,,,。,。,,。,IC,,,。11.1IC。1,20L(),2.1m。,。,,,。:2010-04-07;:(1985-),,,028-8580113285801162,jackxia29@163.com。IC1,2,2,2,2,2(1.,610225;2.,610200):IC,,pH、、、HRT。,pH6.5~7.5,;30℃~38℃50℃~55℃;5m/h;2~3,COD90%。:;IC;;:TQ209:B:1001-9219(2010)06-27-041(IC)Fig.1Experimentalequipment(IChighrateanaerobicreactor):IC272010351.2,1。1.31.3.1pHpH,,pH。:、。pH,5.8~8.0,pH[2]。pH。pHpH。1.3.2,。:(5℃~20℃)、(20℃~42℃)、(42℃~75℃)[3]。。1.3.3,,,。1.3.4,,。,,IC。22.1pH,pH(pH=4.0)pH6.5~7.5,。SS=25.21g/L,VSS=23.57g/L,8L,,,c(SS)=10.08g/L,c(VSS)=9.43g/L。0.5g~1.5gCOD/(L·d)。1,pH,,pH6.0,。pH6.5~7.5,pH7.0,,,。,,,。,,、pH。,pH,pH,,,,。,pH,pH,2。2,,pH7.0,,pH,pH1Table1WastewaterqualitydataCOD/mg/LSS/mg/LNH4-N/mg/LpH321851352106.35.11306361885.23.61812081093.63.92pHpHFig.2ChangeofeffluentpHwithinfluentpHduringsteadyoperation286。2.2,:(1),、、;(2),;(3);(4)[4]。,。3、4。34,,35℃,;55℃,。,COD。35℃,,35℃,,45℃,,55℃,。,(30℃~38℃)(50℃~55℃)。,,30℃~38℃,50℃~55℃。2.3,,。SS,5。5,,5m/h,SS。,,,,,,。SS,SS。3CODFig.3Changeoforganicloadingratewithtemperature4Fig.4Effectoftemperatureongasproducingrate5SSFig.5EffectofupflowvelocityofwastewateronorganicloadingrateandSSineffluent:IC292010352.4,,COD。,COD,6。6,,COD,0.555.5%,2,COD87.6%,COD。,2~3,COD90%。,COD,。3(1)pH,,pH6.5~7.5;,,pH。(2),,(30℃~38℃),(50℃~55℃),。(3),,IC5m/h。(4),,2~3。[1],,,.-MIC[J].,2006,10(148):104-107.[2].[J].,1998,19(1):94-96.[3],.[M].:,1989.[4].[M].:,2003.[5].[M].:,1998.6CODFig.6Effectofhydraulicresidencetime(HRT)onCODremovalrateEffectsofoperationparametersontreatmentofsweetpotatoalcoholwastewaterbyICreactorXIAWei1,HUANGYi-ping2,YEYi-chun,XUJing-fu,LIUYi,ZOUXin(1.ChengduUniversityofInformationTechnology,Chengdu610225,China;2.SichuanSino-DutchEnvironmentalProtectionSeparationTechnologyCo.,Ltd,Chengdu610200,China)Abstract:Thethird-generationhigh-rateinternalcirculationanaerobicreactor(ICreactor)wasusedtotreatthesweetpotatoal-coholwastewater,andtheeffectsofpHvalues,temperature,upflowvelocityandhydraulicretentiontime(HRT)ontheprocesswereinvestigated.TheresultsshowedthattheinfluentpHof6.5-7.5couldhelptheinitialstartupofanaerobicreactor,andtheoptimizedoperationparameterswereasfollows:temperaturesof30℃-38℃and50℃-55℃,upflowvelocityof5m/handHRTof2-3days.Undertheoptimalconditions,CODremovalratewasabove90%.Keywords:alcoholwastewater;IChighrateanaerobicreactor;influencefactor;biogas30

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